mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
47 lines
2.7 KiB
C
47 lines
2.7 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set et ft=c ts=8 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/stdio/internal.h"
|
|
#include "libc/sysv/consts/fileno.h"
|
|
#include "libc/sysv/consts/o.h"
|
|
#include "libc/thread/thread.h"
|
|
|
|
static FILE __stdout = {
|
|
.fd = STDOUT_FILENO,
|
|
.iomode = O_WRONLY,
|
|
.buf = __stdout.mem,
|
|
.size = sizeof(stdout->mem),
|
|
.lock = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP,
|
|
|
|
// Unlike other C libraries we don't bother calling fstat() to check
|
|
// if stdio is a character device and we instead choose to always
|
|
// line buffer it. We need it because there's no way to use the
|
|
// unbuffer command on a statically linked binary. This still goes
|
|
// fast. We value latency more than throughput, and stdio isn't the
|
|
// best api when the goal is throughput.
|
|
.bufmode = _IOLBF,
|
|
};
|
|
|
|
/**
|
|
* Pointer to standard output stream.
|
|
*/
|
|
FILE *stdout = &__stdout;
|
|
|
|
__attribute__((__constructor__(60))) static textstartup void outinit(void) {
|
|
__fflush_register(stdout);
|
|
}
|