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andrewrk/0tcp_server.zig

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zig vs node.js tcp server strace
Raw
0tcp_server.zig
const std = @import("std");
const event = std.event;
const mem = std.mem;
const assert = std.debug.assert;
pub fn main() !void {
const MyServer = struct {
tcp_server: event.TcpServer,
const Self = this;
async<&mem.Allocator> fn handler(tcp_server: &event.TcpServer, _addr: &const std.net.Address,
_socket: &const std.os.File) void
{
const self = @fieldParentPtr(Self, "tcp_server", tcp_server);
var socket = *_socket; // TODO https://github.com/zig-lang/zig/issues/733
defer socket.close();
const next_handler = async errorableHandler(self, _addr, socket) catch |err| switch (err) {
error.OutOfMemory => @panic("unable to handle connection: out of memory"),
};
(await next_handler) catch |err| {
std.debug.panic("unable to handle connection: {}\n", err);
};
suspend |p| { cancel p; }
}
async fn errorableHandler(self: &Self, _addr: &const std.net.Address,
_socket: &const std.os.File) !void
{
const addr = *_addr; // TODO https://github.com/zig-lang/zig/issues/733
var socket = *_socket; // TODO https://github.com/zig-lang/zig/issues/733
var adapter = std.io.FileOutStream.init(&socket);
var stream = &adapter.stream;
try stream.print("hello from server\n");
}
};
const ip4addr = std.net.parseIp4("127.0.0.1") catch unreachable;
const addr = std.net.Address.initIp4(ip4addr, 0);
var loop = try event.Loop.init(std.debug.global_allocator);
var server = MyServer {
.tcp_server = try event.TcpServer.init(&loop),
};
defer server.tcp_server.deinit();
try server.tcp_server.listen(addr, MyServer.handler);
const p = try async<std.debug.global_allocator> doAsyncTest(&loop, server.tcp_server.listen_address);
defer cancel p;
loop.run();
}
async fn doAsyncTest(loop: &event.Loop, address: &const std.net.Address) !void {
var socket_file = try await try async event.connect(loop, address);
defer socket_file.close();
var buf: [512]u8 = undefined;
const amt_read = try socket_file.read(buf[0..]);
const msg = buf[0..amt_read];
assert(mem.eql(u8, msg, "hello from server\n"));
loop.stop();
}
Raw
1tcp_server.js
var net = require("net");
var assert = require("assert");
var server = net.createServer(function(client) {
client.write("hello from server\n");
client.end();
});
server.listen({
host: "127.0.0.1",
port: 0,
}, function() {
var client = net.connect(server.address(), function() {
client.on('data', function(data) {
assert(data == "hello from server\n");
client.end();
server.close();
});
});
});
Raw
2zig.strace
execve("./test", ["./test"], 0x7ffc184249e0 /* 121 vars */) = 0
epoll_create1(EPOLL_CLOEXEC) = 3
socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_TCP) = 4
bind(4, {sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("127.0.0.1")}, 28) = 0
listen(4, 128) = 0
getsockname(4, {sa_family=AF_INET, sin_port=htons(38251), sin_addr=inet_addr("127.0.0.1")}, [28->16]) = 0
accept4(4, 0x2291b0, [28], SOCK_CLOEXEC|SOCK_NONBLOCK) = -1 EAGAIN (Resource temporarily unavailable)
epoll_ctl(3, EPOLL_CTL_ADD, 4, {EPOLLIN|EPOLLOUT|EPOLLET, {u32=2265120, u64=2265120}}) = 0
socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_TCP) = 5
connect(5, {sa_family=AF_INET, sin_port=htons(38251), sin_addr=inet_addr("127.0.0.1")}, 28) = -1 EINPROGRESS (Operation now in progress)
epoll_ctl(3, EPOLL_CTL_ADD, 5, {EPOLLIN|EPOLLOUT|EPOLLET, {u32=2266976, u64=2266976}}) = 0
epoll_wait(3, [{EPOLLIN, {u32=2265120, u64=2265120}}, {EPOLLOUT, {u32=2266976, u64=2266976}}], 16, -1) = 2
accept4(4, {sa_family=AF_INET, sin_port=htons(51908), sin_addr=inet_addr("127.0.0.1")}, [28->16], SOCK_CLOEXEC|SOCK_NONBLOCK) = 6
write(6, "hello from server\n", 18) = 18
close(6) = 0
accept4(4, 0x2291b0, [28], SOCK_CLOEXEC|SOCK_NONBLOCK) = -1 EAGAIN (Resource temporarily unavailable)
epoll_ctl(3, EPOLL_CTL_DEL, 5, 0x22284c) = 0
getsockopt(5, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
read(5, "hello from server\n", 512) = 18
read(5, "", 494) = 0
close(5) = 0
epoll_ctl(3, EPOLL_CTL_DEL, 4, 0x2291e0) = 0
close(4) = 0
exit(0) = ?
+++ exited with 0 +++
Raw
3node.strace
execve("/run/current-system/sw/bin/node", ["node", "test.js"], 0x7ffc7dcfca58 /* 61 vars */) = 0
brk(NULL) = 0x234b000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75653d3000
access("/etc/ld-nix.so.preload", R_OK) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/tls/haswell/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/tls/haswell/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/tls/haswell/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/tls/haswell", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/tls/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/tls/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/tls/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/tls", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/haswell/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/haswell/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/haswell/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/haswell", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver/lib", {st_mode=S_IFDIR|0555, st_size=4096, ...}) = 0
openat(AT_FDCWD, "/run/opengl-driver-32/lib/tls/haswell/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/tls/haswell/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/tls/haswell/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/tls/haswell", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/tls/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/tls/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/tls/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/tls", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/haswell/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/haswell/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/haswell/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/haswell", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/run/opengl-driver-32/lib", {st_mode=S_IFDIR|0555, st_size=4096, ...}) = 0
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/haswell/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/haswell/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/haswell/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/haswell", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/tls", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/haswell/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/haswell/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/haswell/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/haswell", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/x86_64/libz.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/x86_64", 0x7ffc2eb3b130) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libz.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`#\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=100640, ...}) = 0
mmap(NULL, 2187280, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f7564f9a000
mprotect(0x7f7564fb0000, 2093056, PROT_NONE) = 0
mmap(0x7f75651af000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7f75651af000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/haswell/x86_64/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/haswell/x86_64", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/haswell/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/haswell", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/x86_64/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/x86_64", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/tls", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/haswell/x86_64/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/haswell/x86_64", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/haswell/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/haswell", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/x86_64/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/x86_64", 0x7ffc2eb3b100) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libhttp_parser.so", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0`\22\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=32872, ...}) = 0
mmap(NULL, 2125840, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f7564d92000
mprotect(0x7f7564d98000, 2097152, PROT_NONE) = 0
mmap(0x7f7564f98000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f7564f98000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/haswell/x86_64/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/haswell/x86_64", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/haswell/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/haswell", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/x86_64/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/x86_64", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/tls", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/haswell/x86_64/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/haswell/x86_64", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/haswell/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/haswell", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/x86_64/libuv.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/x86_64", 0x7ffc2eb3b0d0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libuv.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\230\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=199208, ...}) = 0
mmap(NULL, 2262664, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f7564b69000
mprotect(0x7f7564b90000, 2097152, PROT_NONE) = 0
mmap(0x7f7564d90000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x27000) = 0x7f7564d90000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/haswell/x86_64/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/haswell/x86_64", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/haswell/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/haswell", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/x86_64/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/x86_64", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/tls", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/haswell/x86_64/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/haswell/x86_64", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/haswell/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/haswell", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/x86_64/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/x86_64", 0x7ffc2eb3b0a0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libcrypto.so.1.0.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0|\6\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=2590256, ...}) = 0
mmap(NULL, 4437536, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f756472d000
mprotect(0x7f756493f000, 2093056, PROT_NONE) = 0
mmap(0x7f7564b3e000, 159744, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x211000) = 0x7f7564b3e000
mmap(0x7f7564b65000, 13856, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f7564b65000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libssl.so.1.0.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\222\1\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=500984, ...}) = 0
mmap(NULL, 2545200, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f75644bf000
mprotect(0x7f7564523000, 2093056, PROT_NONE) = 0
mmap(0x7f7564722000, 45056, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x63000) = 0x7f7564722000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/haswell/x86_64/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/haswell/x86_64", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/haswell/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/haswell", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/x86_64/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/x86_64", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/tls", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/haswell/x86_64/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/haswell/x86_64", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/haswell/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/haswell", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/x86_64/libdl.so.2", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/x86_64", 0x7ffc2eb3b040) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libdl.so.2", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\0\16\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=18528, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75653d1000
mmap(NULL, 2109584, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f75642bb000
mprotect(0x7f75642be000, 2093056, PROT_NONE) = 0
mmap(0x7f75644bd000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f75644bd000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/librt.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0 \0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=41696, ...}) = 0
mmap(NULL, 2128384, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f75640b3000
mprotect(0x7f75640ba000, 2093056, PROT_NONE) = 0
mmap(0x7f75642b9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f75642b9000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/haswell/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/haswell/x86_64", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/haswell/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/haswell", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/x86_64", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/tls", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/haswell/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/haswell/x86_64", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/haswell/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/haswell", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/x86_64/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
stat("/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/x86_64", 0x7ffc2eb3afe0) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/qc84dvliy1dzpidw10yvpi3di5f0q4vj-gcc-7.3.0-lib/lib/libstdc++.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\231\10\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=1558864, ...}) = 0
mmap(NULL, 3667488, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f7563d33000
mprotect(0x7f7563ea3000, 2097152, PROT_NONE) = 0
mmap(0x7f75640a3000, 53248, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x170000) = 0x7f75640a3000
mmap(0x7f75640b0000, 9760, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f75640b0000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libm.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300w\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=1440248, ...}) = 0
mmap(NULL, 3453480, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f75639e7000
mprotect(0x7f7563b32000, 2093056, PROT_NONE) = 0
mmap(0x7f7563d31000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14a000) = 0x7f7563d31000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libgcc_s.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\20+\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0444, st_size=100608, ...}) = 0
mmap(NULL, 2185600, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f75637d1000
mprotect(0x7f75637e7000, 2093056, PROT_NONE) = 0
mmap(0x7f75639e6000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7f75639e6000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libpthread.so.0", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p_\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=137184, ...}) = 0
mmap(NULL, 2216424, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f75635b3000
mprotect(0x7f75635cc000, 2093056, PROT_NONE) = 0
mmap(0x7f75637cb000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x18000) = 0x7f75637cb000
mmap(0x7f75637cd000, 12776, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f75637cd000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/sghbqqxllij185b0n3i1ckk30yyjng14-zlib-1.2.11/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/5n4y52vi8c7c3s649clhbszh111qby5s-http-parser-2.8.0/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/76rnm9q9y5ja4pxj84h0pyim320vlihr-libuv-1.19.2/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/rinkr1n83fhf9h5161005hv4brjxs266-openssl-1.0.2n/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\3\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\21\2\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=1998936, ...}) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75653cf000
mmap(NULL, 3873024, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f7563201000
mprotect(0x7f75633aa000, 2093056, PROT_NONE) = 0
mmap(0x7f75635a9000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1a8000) = 0x7f75635a9000
mmap(0x7f75635af000, 14592, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f75635af000
close(3) = 0
openat(AT_FDCWD, "/run/opengl-driver/lib/libnsl.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/run/opengl-driver-32/lib/libnsl.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
openat(AT_FDCWD, "/nix/store/84h2zni7h805k0i1ys2bba3dsp1cqnhh-glibc-2.26-131/lib/libnsl.so.1", O_RDONLY|O_CLOEXEC) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\200=\0\0\0\0\0\0"..., 832) = 832
fstat(3, {st_mode=S_IFREG|0555, st_size=106992, ...}) = 0
mmap(NULL, 2193208, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f7562fe9000
mprotect(0x7f7562ffd000, 2097152, PROT_NONE) = 0
mmap(0x7f75631fd000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14000) = 0x7f75631fd000
mmap(0x7f75631ff000, 5944, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f75631ff000
close(3) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75653cd000
arch_prctl(ARCH_SET_FS, 0x7f75653ce2c0) = 0
mprotect(0x7f75635a9000, 16384, PROT_READ) = 0
mprotect(0x7f75631fd000, 4096, PROT_READ) = 0
mprotect(0x7f75637cb000, 4096, PROT_READ) = 0
mprotect(0x7f7563d31000, 4096, PROT_READ) = 0
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75653cb000
mprotect(0x7f75640a3000, 49152, PROT_READ) = 0
mprotect(0x7f75642b9000, 4096, PROT_READ) = 0
mprotect(0x7f75644bd000, 4096, PROT_READ) = 0
mprotect(0x7f7564b3e000, 114688, PROT_READ) = 0
mprotect(0x7f7564722000, 20480, PROT_READ) = 0
mprotect(0x7f7564d90000, 4096, PROT_READ) = 0
mprotect(0x7f7564f98000, 4096, PROT_READ) = 0
mprotect(0x7f75651af000, 4096, PROT_READ) = 0
mprotect(0x192a000, 405504, PROT_READ) = 0
mprotect(0x7f75653d5000, 4096, PROT_READ) = 0
set_tid_address(0x7f75653ce590) = 23137
set_robust_list(0x7f75653ce5a0, 24) = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7f75635b89f0, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7f75635b8a80, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
brk(NULL) = 0x234b000
brk(0x236c000) = 0x236c000
rt_sigprocmask(SIG_SETMASK, [USR1], NULL, 8) = 0
fstat(0, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 12), ...}) = 0
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 12), ...}) = 0
fstat(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 12), ...}) = 0
rt_sigaction(SIGHUP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGQUIT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGILL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGTRAP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGABRT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGFPE, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGUSR1, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGUSR2, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGPIPE, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGSTKFLT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGCHLD, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGCONT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGTSTP, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGTTIN, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGTTOU, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGURG, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGXCPU, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGXFSZ, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGVTALRM, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGPROF, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGWINCH, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGIO, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGPWR, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGSYS, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGINT, {sa_handler=0xe058c0, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_RESETHAND, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigaction(SIGTERM, {sa_handler=0xe058c0, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_RESETHAND, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
prlimit64(0, RLIMIT_NOFILE, NULL, {rlim_cur=99999, rlim_max=99999}) = 0
clock_getres(CLOCK_MONOTONIC_COARSE, {tv_sec=0, tv_nsec=1000000}) = 0
epoll_create1(EPOLL_CLOEXEC) = 3
pipe2([4, 5], O_CLOEXEC) = 0
write(5, "*", 1) = 1
futex(0x7f7564d915b0, FUTEX_WAKE_PRIVATE, 2147483647) = 0
pipe2([6, 7], O_NONBLOCK|O_CLOEXEC) = 0
eventfd2(0, EFD_CLOEXEC|EFD_NONBLOCK) = 8
ioctl(0, FIOCLEX) = 0
ioctl(1, FIOCLEX) = 0
ioctl(2, FIOCLEX) = 0
ioctl(3, FIOCLEX) = 0
ioctl(4, FIOCLEX) = 0
ioctl(5, FIOCLEX) = 0
ioctl(6, FIOCLEX) = 0
ioctl(7, FIOCLEX) = 0
ioctl(8, FIOCLEX) = 0
ioctl(9, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(10, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(11, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(12, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(13, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(14, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(15, FIOCLEX) = -1 EBADF (Bad file descriptor)
ioctl(16, FIOCLEX) = -1 EBADF (Bad file descriptor)
getuid() = 1000
geteuid() = 1000
getgid() = 100
getegid() = 100
getuid() = 1000
geteuid() = 1000
getgid() = 100
getegid() = 100
getuid() = 1000
geteuid() = 1000
getgid() = 100
getegid() = 100
getuid() = 1000
geteuid() = 1000
getgid() = 100
getegid() = 100
rt_sigprocmask(SIG_SETMASK, ~[RTMIN RT_1], [USR1], 8) = 0
mmap(NULL, 16384, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f75653c7000
mprotect(0x7f75653c8000, 12288, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f75653c9fb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f75653ca9d0, tls=0x7f75653ca700, child_tidptr=0x7f75653ca9d0) = 23138
rt_sigprocmask(SIG_SETMASK, [USR1], NULL, 8) = 0
rt_sigaction(SIGUSR1, {sa_handler=0xe05900, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [USR1], NULL, 8) = 0
getuid() = 1000
geteuid() = 1000
getgid() = 100
getegid() = 100
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f75627e8000
mprotect(0x7f75627e9000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f7562fe7fb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f7562fe89d0, tls=0x7f7562fe8700, child_tidptr=0x7f7562fe89d0) = 23139
futex(0x235f5b8, FUTEX_WAKE_PRIVATE, 1) = 1
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7561fe7000
mprotect(0x7f7561fe8000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f75627e6fb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f75627e79d0, tls=0x7f75627e7700, child_tidptr=0x7f75627e79d0) = 23140
futex(0x235f768, FUTEX_WAKE_PRIVATE, 1) = 1
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f75617e6000
mprotect(0x7f75617e7000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f7561fe5fb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f7561fe69d0, tls=0x7f7561fe6700, child_tidptr=0x7f7561fe69d0) = 23141
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f7560fe5000
mprotect(0x7f7560fe6000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f75617e4fb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f75617e59d0, tls=0x7f75617e5700, child_tidptr=0x7f75617e59d0) = 23142
futex(0x7f75640b067c, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x7f75640b0688, FUTEX_WAKE_PRIVATE, 2147483647) = 0
brk(0x2390000) = 0x2390000
getpid() = 23137
openat(AT_FDCWD, "/dev/urandom", O_RDONLY|O_NOCTTY|O_NONBLOCK) = 9
fstat(9, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = 0
poll([{fd=9, events=POLLIN}], 1, 10) = 1 ([{fd=9, revents=POLLIN}])
read(9, "\26\17\350\17o0\344?!5\v\23\355\375\267~\223\366\337\226\234>\236r\277%+,\34\221l\234", 32) = 32
close(9) = 0
getuid() = 1000
getpid() = 23137
getpid() = 23137
mmap(0x12ee31e02000, 2097152, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x12ee31e02000
munmap(0x12ee31e02000, 1040384) = 0
munmap(0x12ee32000000, 8192) = 0
mmap(0x12ee31f00000, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x12ee31f00000
mmap(0x2f917f580000, 536870912, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x2f917f580000
brk(0x23b1000) = 0x23b1000
mmap(0x1e0f68ab2000, 262144, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x1e0f68ab2000
mmap(0x1e0f68ac0000, 131072, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1e0f68ac0000
mmap(0x89491dbe000, 4194304, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x89491dbe000
mmap(0x89491dbe000, 262144, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x89491dbe000
mmap(0x2f917f600000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f600000
mprotect(0x2f917f605000, 4096, PROT_NONE) = 0
mmap(0x2f917f606000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f606000
mprotect(0x2f917f6ff000, 4096, PROT_NONE) = 0
mmap(0x2f917f700000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f700000
mprotect(0x2f917f705000, 4096, PROT_NONE) = 0
mmap(0x2f917f706000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f706000
mprotect(0x2f917f7ff000, 4096, PROT_NONE) = 0
mmap(0x2f917f800000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f800000
mprotect(0x2f917f805000, 4096, PROT_NONE) = 0
mmap(0x2f917f806000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f806000
mprotect(0x2f917f8ff000, 4096, PROT_NONE) = 0
mmap(0x1a974f58f000, 2052096, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x1a974f58f000
munmap(0x1a974f58f000, 462848) = 0
munmap(0x1a974f6f5000, 585728) = 0
mmap(0x1a974f600000, 1003520, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1a974f600000
mmap(0x2f917f900000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f900000
mprotect(0x2f917f905000, 4096, PROT_NONE) = 0
mmap(0x2f917f906000, 266240, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917f906000
mprotect(0x2f917f9ff000, 4096, PROT_NONE) = 0
mmap(0x38a9e46a0000, 1126400, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x38a9e46a0000
munmap(0x38a9e46a0000, 393216) = 0
munmap(0x38a9e4713000, 655360) = 0
mmap(0x38a9e4700000, 77824, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x38a9e4700000
brk(0x23d2000) = 0x23d2000
getpid() = 23137
getpid() = 23137
readlink("/proc/self/exe", "/nix/store/9b8h4x466af85602xk6pj"..., 8191) = 66
brk(0x23f4000) = 0x23f4000
mmap(NULL, 135168, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75653a6000
mmap(NULL, 270336, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7565364000
brk(0x2417000) = 0x2417000
brk(0x240d000) = 0x240d000
munmap(0x7f7565364000, 270336) = 0
munmap(0x7f75653a6000, 135168) = 0
brk(0x2462000) = 0x2462000
brk(0x23f0000) = 0x23f0000
mmap(0x2f917fa00000, 20480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917fa00000
mprotect(0x2f917fa05000, 4096, PROT_NONE) = 0
mmap(0x2f917fa06000, 1019904, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x2f917fa06000
mprotect(0x2f917faff000, 4096, PROT_NONE) = 0
brk(0x2423000) = 0x2423000
brk(0x2472000) = 0x2472000
mmap(NULL, 532480, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f7565345000
munmap(0x7f7565345000, 532480) = 0
brk(0x24e9000) = 0x24e9000
mmap(0x3fc193f78000, 2097152, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x3fc193f78000
munmap(0x3fc193f78000, 557056) = 0
munmap(0x3fc194100000, 491520) = 0
mmap(0x3fc194000000, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3fc194000000
brk(0x2400000) = 0x2400000
mmap(0x231a44ad8000, 2097152, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x231a44ad8000
munmap(0x231a44ad8000, 163840) = 0
munmap(0x231a44c00000, 884736) = 0
mmap(0x231a44b00000, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x231a44b00000
brk(0x2422000) = 0x2422000
brk(0x246b000) = 0x246b000
brk(0x2503000) = 0x2503000
futex(0x235f278, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x235f250, FUTEX_WAKE_PRIVATE, 1) = 1
getcwd("/home/andy/tmp", 4096) = 15
mmap(NULL, 1052672, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f75652c6000
munmap(0x7f75652c6000, 1052672) = 0
mmap(0xaad6d40e000, 2097152, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0xaad6d40e000
munmap(0xaad6d40e000, 991232) = 0
munmap(0xaad6d600000, 57344) = 0
mmap(0xaad6d500000, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xaad6d500000
stat("/home/andy/tmp/test.js", {st_mode=S_IFREG|0755, st_size=471, ...}) = 0
lstat("/home", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/home/andy", {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0
lstat("/home/andy/tmp", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
lstat("/home/andy/tmp/test.js", {st_mode=S_IFREG|0755, st_size=471, ...}) = 0
openat(AT_FDCWD, "/home/andy/tmp/test.js", O_RDONLY|O_CLOEXEC) = 9
fstat(9, {st_mode=S_IFREG|0755, st_size=471, ...}) = 0
read(9, "var net = require(\"net\");\nvar as"..., 471) = 471
close(9) = 0
openat(AT_FDCWD, "/etc/resolv.conf", O_RDONLY) = 9
fstat(9, {st_mode=S_IFREG|0644, st_size=92, ...}) = 0
read(9, "# Generated by resolvconf\nsearch"..., 4096) = 92
read(9, "", 4096) = 0
close(9) = 0
openat(AT_FDCWD, "/etc/nsswitch.conf", O_RDONLY) = 9
fstat(9, {st_mode=S_IFREG|0444, st_size=219, ...}) = 0
read(9, "passwd: files mymachines syst"..., 4096) = 219
read(9, "", 4096) = 0
close(9) = 0
openat(AT_FDCWD, "/dev/urandom", O_RDONLY) = 9
fstat(9, {st_mode=S_IFCHR|0666, st_rdev=makedev(1, 9), ...}) = 0
ioctl(9, TCGETS, 0x7ffc2eb39b60) = -1 EINVAL (Invalid argument)
read(9, "\245\2459\373M6\246\202\311\246\303w\240V\315\17yF\26A\261\266r:\377&\367\317\202\362N\366"..., 4096) = 4096
close(9) = 0
mmap(0x3ec0a29bf000, 2097152, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x3ec0a29bf000
munmap(0x3ec0a29bf000, 266240) = 0
munmap(0x3ec0a2b00000, 782336) = 0
mmap(0x3ec0a2a00000, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ec0a2a00000
openat(AT_FDCWD, "/dev/null", O_RDONLY|O_CLOEXEC) = 9
socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 10
setsockopt(10, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
bind(10, {sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("127.0.0.1")}, 16) = 0
listen(10, 511) = 0
getsockname(10, {sa_family=AF_INET, sin_port=htons(44471), sin_addr=inet_addr("127.0.0.1")}, [128->16]) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f75607e4000
mprotect(0x7f75607e5000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f7560fe3fb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f7560fe49d0, tls=0x7f7560fe4700, child_tidptr=0x7f7560fe49d0) = 23143
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f755b7ff000
mprotect(0x7f755b800000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f755bffefb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f755bfff9d0, tls=0x7f755bfff700, child_tidptr=0x7f755bfff9d0) = 23144
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f755affe000
mprotect(0x7f755afff000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f755b7fdfb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f755b7fe9d0, tls=0x7f755b7fe700, child_tidptr=0x7f755b7fe9d0) = 23145
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
mmap(NULL, 8392704, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f755a7fd000
mprotect(0x7f755a7fe000, 8388608, PROT_READ|PROT_WRITE) = 0
clone(child_stack=0x7f755affcfb0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f755affd9d0, tls=0x7f755affd700, child_tidptr=0x7f755affd9d0) = 23146
futex(0x7f7564d911f0, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x7f7564d911e8, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7f7564d91180, FUTEX_WAKE_PRIVATE, 1) = 1
epoll_ctl(3, EPOLL_CTL_ADD, 6, {EPOLLIN, {u32=6, u64=6}}) = 0
epoll_ctl(3, EPOLL_CTL_ADD, 8, {EPOLLIN, {u32=8, u64=8}}) = 0
epoll_ctl(3, EPOLL_CTL_ADD, 10, {EPOLLIN, {u32=10, u64=10}}) = 0
epoll_wait(3, [{EPOLLIN, {u32=8, u64=8}}], 1024, -1) = 1
read(8, "\1\0\0\0\0\0\0\0", 1024) = 8
socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 11
connect(11, {sa_family=AF_INET, sin_port=htons(44471), sin_addr=inet_addr("127.0.0.1")}, 16) = -1 EINPROGRESS (Operation now in progress)
epoll_ctl(3, EPOLL_CTL_ADD, 11, {EPOLLOUT, {u32=11, u64=11}}) = 0
epoll_wait(3, [{EPOLLIN, {u32=10, u64=10}}, {EPOLLOUT, {u32=11, u64=11}}], 1024, -1) = 2
accept4(10, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK) = 12
write(12, "hello from server\n", 18) = 18
accept4(10, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK) = -1 EAGAIN (Resource temporarily unavailable)
getsockopt(11, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
shutdown(12, SHUT_WR) = 0
epoll_ctl(3, EPOLL_CTL_ADD, 12, {EPOLLIN, {u32=12, u64=12}}) = 0
epoll_ctl(3, EPOLL_CTL_ADD, 11, {EPOLLIN, {u32=11, u64=11}}) = -1 EEXIST (File exists)
epoll_ctl(3, EPOLL_CTL_MOD, 11, {EPOLLIN, {u32=11, u64=11}}) = 0
epoll_wait(3, [{EPOLLIN, {u32=11, u64=11}}], 1024, 0) = 1
read(11, "hello from server\n", 65536) = 18
epoll_ctl(3, EPOLL_CTL_DEL, 10, 0x7ffc2eb3785c) = 0
close(10) = 0
epoll_ctl(3, EPOLL_CTL_MOD, 11, {EPOLLIN|EPOLLOUT, {u32=11, u64=11}}) = 0
epoll_wait(3, [{EPOLLIN|EPOLLOUT, {u32=11, u64=11}}], 1024, -1) = 1
read(11, "", 65536) = 0
ioctl(2, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(2, TCGETS, {B38400 opost isig icanon echo ...}) = 0
ioctl(2, TIOCGPTN, 0x7ffc2eb3717c) = -1 ENOTTY (Inappropriate ioctl for device)
ioctl(2, TCGETS, {B38400 opost isig icanon echo ...}) = 0
fstat(2, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 12), ...}) = 0
readlink("/proc/self/fd/2", "/dev/pts/12", 255) = 11
stat("/dev/pts/12", {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 12), ...}) = 0
openat(AT_FDCWD, "/dev/pts/12", O_RDWR|O_CLOEXEC) = 10
dup3(10, 2, O_CLOEXEC) = 2
ioctl(10, FIONBIO, [1]) = 0
ioctl(10, FIONBIO, [0]) = 0
ioctl(10, TIOCGWINSZ, {ws_row=61, ws_col=167, ws_xpixel=0, ws_ypixel=0}) = 0
rt_sigprocmask(SIG_SETMASK, ~[RTMIN RT_1], [], 8) = 0
read(4, "*", 1) = 1
rt_sigaction(SIGWINCH, {sa_handler=0x7f7564b7e230, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER|SA_RESTART, sa_restorer=0x7f75635c4dd0}, NULL, 8) = 0
write(5, "*", 1) = 1
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
epoll_ctl(3, EPOLL_CTL_DEL, 11, 0x7ffc2eb37a0c) = 0
close(11) = 0
epoll_wait(3, [{EPOLLIN|EPOLLHUP, {u32=12, u64=12}}], 1024, -1) = 1
read(12, "", 65536) = 0
epoll_ctl(3, EPOLL_CTL_DEL, 12, 0x7ffc2eb37a0c) = 0
close(12) = 0
mmap(0x2f917f600000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x2f917f600000
mmap(0x2f917f700000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x2f917f700000
mmap(0x2f917f800000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x2f917f800000
munmap(0x89491dbe000, 4194304) = 0
mmap(0x12ee31f00000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x12ee31f00000
mmap(0xaad6d500000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0xaad6d500000
munmap(0x1a974f600000, 1003520) = 0
munmap(0x3fc194000000, 1048576) = 0
munmap(0x3ec0a2a00000, 1048576) = 0
mmap(0x2f917f900000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x2f917f900000
mmap(0x2f917fa00000, 1048576, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS|MAP_NORESERVE, -1, 0) = 0x2f917fa00000
munmap(0x38a9e4700000, 77824) = 0
munmap(0x231a44b00000, 1048576) = 0
munmap(0x1e0f68ab2000, 262144) = 0
munmap(0x12ee31f00000, 1048576) = 0
munmap(0xaad6d500000, 1048576) = 0
munmap(0x2f917f580000, 536870912) = 0
futex(0x235f278, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7f7562fe89d0, FUTEX_WAIT, 23139, NULL) = 0
futex(0x7f7564d911e8, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7f7564d91180, FUTEX_WAKE_PRIVATE, 1) = 1
futex(0x7f7560fe49d0, FUTEX_WAIT, 23143, NULL) = 0
munmap(0x7f75627e8000, 8392704) = 0
munmap(0x7f7561fe7000, 8392704) = 0
munmap(0x7f75617e6000, 8392704) = 0
munmap(0x7f7560fe5000, 8392704) = 0
exit_group(0) = ?
+++ exited with 0 +++
@jfo
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jfo commented Apr 10, 2018

@andrewrk can you post strace output for just the request? Most of the node output is the require algorithm chatting to the filesystem that only happens the first time, I think...

@andrewrk
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Author

it's all intertwined in node.js. It sets up the event loop before it chats to the file system.

@petar-dambovaliev
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Zig input is large and output is small. Javascript is the opposite.

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