tjfontaine

thread apply all bt

Thread 6 (process 83744):
#0  0x00007fff88071a56 in semaphore_wait_trap ()
#1  0x000000010034d2b7 in v8::internal::Semaphore::Wait (this=0x101014a48) at semaphore.h:69
#2  0x00000001003c1b7b in v8::internal::Acquire_Load () at ../deps/v8/src/sweeper-thread.cc:64
#3  v8::internal::Acquire_Load () at /Users/tjfontaine/Development/node/deps/v8/src/atomicops_internals_x86_macosx.h:288
#4  0x00000001003c1b7b in v8::internal::SweeperThread::Run (this=0x101014a00) at ../deps/v8/src/sweeper-thread.cc:66
#5  0x000000010045b20a in v8::internal::Thread::NotifyStartedAndRun () at /Users/tjfontaine/Development/node/deps/v8/src/platform.h:584
#6  0x000000010045b20a in v8::internal::ThreadEntry (arg=0x101014a00) at platform.h:611

tjfontaine

// --max-old-space-size=4095

var bigdata = [],
    iterations = 0;

function addData() {
  iterations++;
  if (iterations % 10 == 0)
    console.log(iterations, bigdata.length, process.memoryUsage());
  for (var i = 0; i < 1e5; i++) {

tjfontaine

From 74a81f7588f86b66e277ea70724d17b583efc7d4 Mon Sep 17 00:00:00 2001
From: Timothy J Fontaine <tjfontaine@gmail.com>
Date: Sun, 19 Jan 2014 11:41:25 -0800
Subject: [PATCH] asyncListener: adapt to tracing interface

---
 lib/tracing.js           | 174 +++++++++++++++++++++++++++++++++++++++++++++++
 src/async-wrap-inl.h     |  92 +++++++++++++++++++++----
 src/async-wrap.h         |  77 +++++++++++++++++++--
 src/cares_wrap.cc        |  24 +++++--

tjfontaine

var restify = tracing.createProvider('restify'); // { namespace: 'anonymous', provider: 'restify', guid: stablehash }


var restify = tracing.createProvider({
  namespace: 'joyent',
  provider: 'restify',
  guid: '12345',
});
restify.addProbe('foo', ['string', 'number', 'integer']);
restify.enable();

tjfontaine

var util = require('util');
var assert = require('assert');
var net = require('net');
 
var SIZE = 2E6;
var BUF = new Buffer(SIZE);
var ERRS = 0;
var PORT = 4000;
 
BUF.fill(0x62);

tjfontaine

  --harmony_typeof (enable harmony semantics for typeof)
  --harmony_scoping (enable harmony block scoping)
  --harmony_modules (enable harmony modules (implies block scoping))
  --harmony_symbols (enable harmony symbols (a.k.a. private names))
  --harmony_proxies (enable harmony proxies)
  --harmony_collections (enable harmony collections (sets, maps, and weak maps))
  --harmony_observation (enable harmony object observation (implies harmony collections)
  --harmony_generators (enable harmony generators)
  --harmony_iteration (enable harmony iteration (for-of))
  --harmony_numeric_literals (enable harmony numeric literals (0o77, 0b11))

tjfontaine

diff --git a/src/node.h b/src/node.h
index 7a08dc9..5dbf28f 100644
--- a/src/node.h
+++ b/src/node.h
@@ -122,6 +122,17 @@ NODE_EXTERN v8::Handle<v8::Value> MakeCallback(
 # endif
 #endif
 
+#ifdef _WIN32
+// TODO(tjfontaine) consider changing the usage of ssize_t to ptrdiff_t

tjfontaine

From 8e3070ad5cc17116e47f71290d86b83aa06e98eb Mon Sep 17 00:00:00 2001
From: Timothy J Fontaine <tj.fontaine@joyent.com>
Date: Tue, 12 Aug 2014 00:20:44 +0000
Subject: [PATCH 2/2] descriptions are also 4 byte aligned

---
 usr/src/lib/libproc/common/Pcore.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/usr/src/lib/libproc/common/Pcore.c b/usr/src/lib/libproc/common/Pcore.c

tjfontaine

* thread #1: tid = 0x0000, 0x00007fff88075866 libsystem_kernel.dylib`__pthread_kill + 10, stop reason = signal SIGSTOP
    frame #0: 0x00007fff88075866 libsystem_kernel.dylib`__pthread_kill + 10
    frame #1: 0x00007fff911f835c libsystem_pthread.dylib`pthread_kill + 92
    frame #2: 0x00007fff8f9debba libsystem_c.dylib`abort + 125
    frame #3: 0x00007fff8f9a8a5f libsystem_c.dylib`__assert_rtn + 321
    frame #4: 0x000000010013ddef node`uv__close(fd=<unavailable>) + 133 at core.c:422
    frame #5: 0x000000010014397b node`uv__stream_try_select(stream=0x00000001004b4c46, fd=0x00000001004b4cf3) + 165 at stream.c:318
    frame #6: 0x000000010014118b node`uv_pipe_open(handle=0x0000000101c00070, fd=2) + 21 at pipe.c:140
    frame #7: 0x0000000100024887 node`node::PipeWrap::Open(args=<unavailable>) + 91 at pipe_wrap.cc:259
    frame #8: 0x000000010016e160 node`v8::internal::FunctionCallbackArguments::Call(this=0x00007fff5fbfe8f0, f=0x000000010002482c)(v8::FunctionCallbackInfo<v8::Value> const&)) + 160 at arguments.c

tjfontaine

>>> import os,fcntl,struct
>>> fd = os.open('file', os.O_WRONLY|os.O_NOCTTY|os.O_CREAT, 0666)
>>> op = struct.pack('hhllhhl', fcntl.F_WRLCK, 0, 0, 0, 0, 0, 0)
>>> 
>>> fcntl.fcntl(fd, fcntl.F_SETLK, op)