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/* $OpenBSD: rthread_sig.c,v 1.18 2016/05/07 19:05:22 guenther Exp $ */ |
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/* |
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* Copyright (c) 2005 Ted Unangst <tedu@openbsd.org> |
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* All Rights Reserved. |
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* |
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* Permission to use, copy, modify, and distribute this software for any |
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* purpose with or without fee is hereby granted, provided that the above |
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* 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 WARRANTIES |
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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*/ |
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/* |
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* signals |
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*/ |
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#include <signal.h> |
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#include <errno.h> |
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#include <pthread.h> |
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#include "rthread.h" |
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#include "cancel.h" /* in libc/include */ |
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int |
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sigwait(const sigset_t *set, int *sig) |
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{ |
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sigset_t s = *set; |
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int ret; |
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sigdelset(&s, SIGTHR); |
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do { |
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✓✗✗✓
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ENTER_CANCEL_POINT(1); |
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ret = __thrsigdivert(s, NULL, NULL); |
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✓✗✗✓
✗✗ |
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LEAVE_CANCEL_POINT(ret == -1); |
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✗✓✗✗
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} while (ret == -1 && errno == EINTR); |
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✗✓ |
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if (ret == -1) |
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return (errno); |
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*sig = ret; |
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return (0); |
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} |
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#if 0 /* need kernel to fill in more siginfo_t bits first */ |
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int |
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sigwaitinfo(const sigset_t *set, siginfo_t *info) |
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{ |
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sigset_t s = *set; |
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int ret; |
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sigdelset(&s, SIGTHR); |
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ENTER_CANCEL_POINT(1); |
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ret = __thrsigdivert(s, info, NULL); |
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LEAVE_CANCEL_POINT(ret == -1); |
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return (ret); |
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} |
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int |
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sigtimedwait(const sigset_t *set, siginfo_t *info, |
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const struct timespec *timeout) |
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{ |
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sigset_t s = *set; |
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int ret; |
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sigdelset(&s, SIGTHR); |
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ENTER_CANCEL_POINT(1); |
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ret = __thrsigdivert(s, info, timeout); |
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LEAVE_CANCEL_POINT(ret == -1); |
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return (ret); |
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} |
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#endif |