xref: /aosp_15_r20/external/musl/src/signal/sigismember.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <signal.h>
2*c9945492SAndroid Build Coastguard Worker 
sigismember(const sigset_t * set,int sig)3*c9945492SAndroid Build Coastguard Worker int sigismember(const sigset_t *set, int sig)
4*c9945492SAndroid Build Coastguard Worker {
5*c9945492SAndroid Build Coastguard Worker 	unsigned s = sig-1;
6*c9945492SAndroid Build Coastguard Worker 	if (s >= _NSIG-1) return 0;
7*c9945492SAndroid Build Coastguard Worker 	return !!(set->__bits[s/8/sizeof *set->__bits] & 1UL<<(s&8*sizeof *set->__bits-1));
8*c9945492SAndroid Build Coastguard Worker }
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