2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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17 * without specific prior written permission.
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32 #include "namespace.h"
34 #include "un-namespace.h"
35 #include "libc_private.h"
38 * Set signal state to prevent restart of system calls
39 * after an instance of the indicated signal.
42 siginterrupt(int sig, int flag)
44 extern sigset_t _sigintr __hidden;
48 if ((ret = __libc_sigaction(sig, (struct sigaction *)0, &sa)) < 0)
51 sigaddset(&_sigintr, sig);
52 sa.sa_flags &= ~SA_RESTART;
54 sigdelset(&_sigintr, sig);
55 sa.sa_flags |= SA_RESTART;
57 return (__libc_sigaction(sig, &sa, (struct sigaction *)0));