show-ulimit.zig

show-ulimit.zig

const std = @import("std");
pub fn main() anyerror!void {
    var out = std.io.getStdOut();
    var writer = out.writer();
    var str: [256]u8 = undefined;
    var len = str.len;
    var os_version = try std.os.sysctlbynameZ("kern.osproductversion"[0.. :0], &str, &len, null, 0);

    try writer.print("macOS: {s}\nFile Descriptor Limit\n", .{str[0..len]});
    if (std.os.getrlimit(.NOFILE)) |limit| {
        try writer.print("Soft (current): {d}\nHard (max): {d}", .{ limit.cur, limit.max });
    } else |err| {
        std.log.crit("getrlimit failed: {s}", .{@errorName(err)});
    }
}