xref: /aosp_15_r20/external/musl/src/unistd/ualarm.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #define _GNU_SOURCE
2*c9945492SAndroid Build Coastguard Worker #include <unistd.h>
3*c9945492SAndroid Build Coastguard Worker #include <sys/time.h>
4*c9945492SAndroid Build Coastguard Worker 
ualarm(unsigned value,unsigned interval)5*c9945492SAndroid Build Coastguard Worker unsigned ualarm(unsigned value, unsigned interval)
6*c9945492SAndroid Build Coastguard Worker {
7*c9945492SAndroid Build Coastguard Worker 	struct itimerval it = {
8*c9945492SAndroid Build Coastguard Worker 		.it_interval.tv_usec = interval,
9*c9945492SAndroid Build Coastguard Worker 		.it_value.tv_usec = value
10*c9945492SAndroid Build Coastguard Worker 	}, it_old;
11*c9945492SAndroid Build Coastguard Worker 	setitimer(ITIMER_REAL, &it, &it_old);
12*c9945492SAndroid Build Coastguard Worker 	return it_old.it_value.tv_sec*1000000 + it_old.it_value.tv_usec;
13*c9945492SAndroid Build Coastguard Worker }
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