src/signal/sigprocmask.c


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#include <signal.h>
#include <errno.h>

int sigprocmask(int how, const sigset_t *restrict set, sigset_t *restrict old)
{
	int r = pthread_sigmask(how, set, old);
	if (!r) return r;
	errno = r;
	return -1;
}


#ifdef TEST
int
main(void) {
	return 0;
}
#endif