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22 lines
411 B
C
22 lines
411 B
C
/*
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* Handy function to block or unblock a signal, which does all the
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* messing about with sigset_t for you.
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*/
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#include <signal.h>
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#include <stdlib.h>
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#include "defs.h"
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void block_signal(int sig, bool block_it)
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{
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sigset_t ss;
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sigemptyset(&ss);
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sigaddset(&ss, sig);
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if (sigprocmask(block_it ? SIG_BLOCK : SIG_UNBLOCK, &ss, 0) < 0) {
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perror("sigprocmask");
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exit(1);
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}
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}
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