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include header that declares __syscall_ret where it's defined
[oweals/musl.git]
/
src
/
signal
/
sigrelse.c
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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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}