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https://github.com/jart/cosmopolitan.git
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f2af97711b
- Improve compatibility with Blink virtual machine - Add non-POSIX APIs for joining threads and signal masks - Never ever use anything except 32-bit integers for atomics - Add some `#undef` statements to workaround `ctags` problems
41 lines
2.5 KiB
C
41 lines
2.5 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/str/str.h"
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#include "libc/thread/thread2.h"
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/**
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* Sets signal mask on thread attributes object.
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*
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* @param attr is the thread attributes object
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* @param sigmask will be copied into attributes, or if it's null, then
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* the existing signal mask presence on the object will be cleared
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* @return 0 on success, or errno on error
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*/
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errno_t pthread_attr_setsigmask_np(pthread_attr_t *attr,
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const sigset_t *sigmask) {
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_Static_assert(sizeof(attr->__sigmask) == sizeof(*sigmask), "");
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if (sigmask) {
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attr->__havesigmask = true;
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memcpy(attr->__sigmask, sigmask, sizeof(*sigmask));
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} else {
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attr->__havesigmask = false;
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}
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return 0;
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}
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