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sigrelse.c
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10 lines
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172 B
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#include <signal.h>
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int sigrelse(int sig)
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{
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	sigset_t mask;
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	sigemptyset(&mask);
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	if (sigaddset(&mask, sig) < 0) return -1;
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	return sigprocmask(SIG_UNBLOCK, &mask, 0);
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}