X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fsignal%2Fsigqueue.c;h=bdb12856a965ef14f86667265b80e5d70281c3b6;hb=a50136dfe186a3ea3d78a4264187915ad16ab861;hp=ce3abf6c9cb3969590173ffdaf09de25c066add6;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/signal/sigqueue.c b/src/signal/sigqueue.c
index ce3abf6c..bdb12856 100644
--- 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;
 }