mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
394d998315
At least in neovim, `│vi:` is not recognized as a modeline because it has no preceding whitespace. After fixing this, opening a file yields an error because `net` is not an option. (`noet`, however, is.)
42 lines
2.5 KiB
C
42 lines
2.5 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│ vi: set noet ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2022 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/thread/thread.h"
|
|
#include "third_party/nsync/cv.h"
|
|
|
|
/**
|
|
* Wakes at least one thread waiting on condition, e.g.
|
|
*
|
|
* pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
|
|
* pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
|
|
* // ...
|
|
* pthread_mutex_lock(&lock);
|
|
* pthread_cond_signal(&cond, &lock);
|
|
* pthread_mutex_unlock(&lock);
|
|
*
|
|
* This function has no effect if there aren't any threads currently
|
|
* waiting on the condition.
|
|
*
|
|
* @return 0 on success, or errno on error
|
|
* @see pthread_cond_broadcast
|
|
* @see pthread_cond_wait
|
|
*/
|
|
errno_t pthread_cond_signal(pthread_cond_t *cond) {
|
|
nsync_cv_signal((nsync_cv *)cond);
|
|
return 0;
|
|
}
|