32 lines
592 B
C
32 lines
592 B
C
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#include <signal.h>
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#include <bits/signum.h>
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#include <stdlib.h>
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#include "signal_p.h"
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int raise(int sig)
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{
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if(sig < 0 || sig >= _NSIG)
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return 1;
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/* TODO: libc/signal: support signal masks? */
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__sighandler_t handler = signal(sig, SIG_DFL);
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if(handler == SIG_DFL) {
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/* Signals that terminate */
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if(sig == SIGINT || sig == SIGTERM) {
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exit(128 + sig);
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}
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/* Signals that abort */
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if(sig == SIGILL || sig == SIGABRT || sig == SIGFPE ||
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sig == SIGSEGV) {
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_Exit(128 + sig);
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}
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}
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else if(handler != SIG_IGN) {
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(*handler)(sig);
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}
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signal(sig, handler);
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return 0;
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}
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