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Introduce pthread_decimate_np() api

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This is useful with CheckForMemoryLeaks().
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Justine Tunney 2024-06-30 02:26:06 -07:00
parent 1bf2d8e308
commit 4cb5e21ba8
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2 changed files with 38 additions and 0 deletions
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37
libc/thread/pthread_decimate_np.c Normal file
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@ -0,0 +1,37 @@
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2024 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/posixthread.internal.h"
#include "libc/thread/thread.h"
/**
* Garbage collects POSIX threads runtime.
*
* Let's say you want to run a memory leak detector. You can say:
*
* while (!pthread_orphan_np())
* pthread_decimate_np();
*
* To wait until all threads have exited.
*
* @return 0 on success, or errno on error
*/
int pthread_decimate_np(void) {
_pthread_decimate();
return 0;
}

1
libc/thread/thread.h
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@ -166,6 +166,7 @@ int pthread_mutexattr_setpshared(pthread_mutexattr_t *, int) libcesque paramsnon
int pthread_mutexattr_settype(pthread_mutexattr_t *, int) libcesque paramsnonnull(); int pthread_mutexattr_settype(pthread_mutexattr_t *, int) libcesque paramsnonnull();
int pthread_once(pthread_once_t *, void (*)(void)) paramsnonnull(); int pthread_once(pthread_once_t *, void (*)(void)) paramsnonnull();
int pthread_orphan_np(void) libcesque; int pthread_orphan_np(void) libcesque;
int pthread_decimate_np(void) libcesque;
int pthread_rwlock_destroy(pthread_rwlock_t *) libcesque paramsnonnull(); int pthread_rwlock_destroy(pthread_rwlock_t *) libcesque paramsnonnull();
int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *) libcesque paramsnonnull((1)); int pthread_rwlock_init(pthread_rwlock_t *, const pthread_rwlockattr_t *) libcesque paramsnonnull((1));
int pthread_rwlock_rdlock(pthread_rwlock_t *) libcesque paramsnonnull(); int pthread_rwlock_rdlock(pthread_rwlock_t *) libcesque paramsnonnull();