44 lines
893 B
C++
44 lines
893 B
C++
/*
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* \brief POSIX signals
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* \author Emery Hemingway
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* \date 2015-10-30
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*/
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/*
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* Copyright (C) 2006-2015 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* libc includes */
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extern "C" {
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#include <signal.h>
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#include <stdlib.h>
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#include <errno.h>
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}
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extern "C" int __attribute__((weak)) sigprocmask(int how, const sigset_t *set, sigset_t *old_set)
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{
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/* no signals should be expected, so report all signals blocked */
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if (old_set != NULL)
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sigfillset(old_set);
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if (set == NULL)
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return 0;
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switch (how) {
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case SIG_BLOCK: return 0;
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case SIG_SETMASK: return 0;
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case SIG_UNBLOCK: return 0;
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}
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errno = EINVAL;
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return -1;
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}
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extern "C" int __attribute__((weak)) _sigprocmask(int how, const sigset_t *set, sigset_t *old_set)
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{
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return sigprocmask(how, set, old_set);
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}
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