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https://github.com/jart/cosmopolitan.git
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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
53 lines
2.9 KiB
C
53 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et 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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* For example, to spawn a thread that won't interfere with signals:
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*
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* pthread_t id;
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* sigset_t mask;
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* pthread_attr_t attr;
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* sigfillset(&mask);
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* pthread_attr_init(&attr);
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* pthread_attr_setsigmask_np(&attr, &mask);
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* pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
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* pthread_create(&id, &attr, Worker, 0);
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* pthread_attr_destroy(&attr);
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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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attr->__sigmask = *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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