1 #include <signal.h>
2 #include <string.h>
3 #include <unistd.h>
4 #include "pthread_impl.h"
5 #include "lock.h"
6
pthread_sigqueue(pthread_t t,int sig,const union sigval value)7 int pthread_sigqueue(pthread_t t, int sig, const union sigval value)
8 {
9 siginfo_t si;
10 int r;
11 memset(&si, 0, sizeof si);
12 si.si_signo = sig;
13 si.si_code = SI_QUEUE;
14 si.si_value = value;
15 si.si_uid = getuid();
16 si.si_pid = getpid();
17 LOCK(t->killlock);
18 r = t->tid ? -__syscall(SYS_rt_tgsigqueueinfo, si.si_pid, t->tid, sig, &si)
19 : (sig+0U >= _NSIG ? EINVAL : 0);
20 UNLOCK(t->killlock);
21 return r;
22 }
23