mirror of
https://github.com/jart/cosmopolitan.git
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4a6fd3d910
- fix rare thread exit race condition on openbsd - pthread_getattr_np() now supplies detached status - child threads may now pthread_join() the main thread - introduce sigandset(), sigorset(), and sigisemptyset() - introduce pthread_cleanup_push() and pthread_cleanup_pop()
31 lines
2.1 KiB
C
31 lines
2.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/thread/thread.h"
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/**
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* Returns size of unmapped pages at bottom of stack.
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*
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* @param guardsize will be set to guard size in bytes
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* @return 0 on success, or errno on error
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*/
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errno_t pthread_attr_getguardsize(const pthread_attr_t *attr,
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size_t *guardsize) {
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*guardsize = attr->__guardsize;
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return 0;
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}
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