xref: /aosp_15_r20/external/musl/src/signal/sigqueue.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #include <signal.h>
2*c9945492SAndroid Build Coastguard Worker #include <string.h>
3*c9945492SAndroid Build Coastguard Worker #include <unistd.h>
4*c9945492SAndroid Build Coastguard Worker #include "syscall.h"
5*c9945492SAndroid Build Coastguard Worker #include "pthread_impl.h"
6*c9945492SAndroid Build Coastguard Worker 
sigqueue(pid_t pid,int sig,const union sigval value)7*c9945492SAndroid Build Coastguard Worker int sigqueue(pid_t pid, int sig, const union sigval value)
8*c9945492SAndroid Build Coastguard Worker {
9*c9945492SAndroid Build Coastguard Worker 	siginfo_t si;
10*c9945492SAndroid Build Coastguard Worker 	sigset_t set;
11*c9945492SAndroid Build Coastguard Worker 	int r;
12*c9945492SAndroid Build Coastguard Worker 	memset(&si, 0, sizeof si);
13*c9945492SAndroid Build Coastguard Worker 	si.si_signo = sig;
14*c9945492SAndroid Build Coastguard Worker 	si.si_code = SI_QUEUE;
15*c9945492SAndroid Build Coastguard Worker 	si.si_value = value;
16*c9945492SAndroid Build Coastguard Worker 	si.si_uid = getuid();
17*c9945492SAndroid Build Coastguard Worker 	__block_app_sigs(&set);
18*c9945492SAndroid Build Coastguard Worker 	si.si_pid = getpid();
19*c9945492SAndroid Build Coastguard Worker 	r = syscall(SYS_rt_sigqueueinfo, pid, sig, &si);
20*c9945492SAndroid Build Coastguard Worker 	__restore_sigs(&set);
21*c9945492SAndroid Build Coastguard Worker 	return r;
22*c9945492SAndroid Build Coastguard Worker }
23