21 lines
333 B
C
21 lines
333 B
C
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/* $OpenBSD: pause.c,v 1.7 2019/01/25 00:19:25 millert Exp $ */
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/*
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* Written by Todd C. Miller <millert@openbsd.org>
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* Public domain.
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*/
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#include <signal.h>
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#include <unistd.h>
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/*
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* Backwards compatible pause(3).
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*/
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int
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pause(void)
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{
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sigset_t mask;
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return (sigprocmask(SIG_BLOCK, NULL, &mask) ? -1 : sigsuspend(&mask));
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}
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