Merge remote-tracking branch 'nsz/exp'

[musl] / src / signal / sigqueue.c

diff --git a/src/signal/sigqueue.c b/src/signal/sigqueue.c
index ce3abf6..bdb1285 100644 (file)
--- a/src/signal/sigqueue.c
+++ b/src/signal/sigqueue.c
@@ -1,14 +1,22 @@
 #include <signal.h>
 #include <string.h>
 #include <unistd.h>
+#include <stdint.h>
 #include "syscall.h"
 
 int sigqueue(pid_t pid, int sig, const union sigval value)
 {
-       siginfo_t si = {
-               .si_signo = sig,
-               .si_code = -1,
-               .si_value = value,
-       };
-       return syscall3(__NR_rt_sigqueueinfo, pid, sig, (long)&si);
+       siginfo_t si;
+       sigset_t set;
+       int r;
+       memset(&si, 0, sizeof si);
+       si.si_signo = sig;
+       si.si_code = SI_QUEUE;
+       si.si_value = value;
+       si.si_uid = getuid();
+       pthread_sigmask(SIG_BLOCK, (void *)(uint64_t[1]){-1}, &set);
+       si.si_pid = getpid();
+       r = syscall(SYS_rt_sigqueueinfo, pid, sig, &si);
+       pthread_sigmask(SIG_SETMASK, &set, 0);
+       return r;
 }