X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fsignal%2Fraise.c;h=71e0505b0f598d1c3184e3f38cd78d57204a05ad;hp=f437d23f2b4d2a311efb0d96b3ada00373a8a780;hb=99b8a25e941e54537bf39ca2f265c345f393f112;hpb=370f78f2c80c64b7b0780a01e672494a26b5678e

diff --git a/src/signal/raise.c b/src/signal/raise.c
index f437d23f..71e0505b 100644
--- a/src/signal/raise.c
+++ b/src/signal/raise.c
@@ -1,18 +1,16 @@
 #include <signal.h>
 #include <errno.h>
+#include <stdint.h>
 #include "syscall.h"
 
 int raise(int sig)
 {
 	int pid, tid, ret;
-	/* Getting the pid/tid pair is not atomic, and could give wrong
-	 * result if a fork occurs in a signal handler between the two
-	 * syscalls. Use the tgkill syscall's ESRCH semantics to detect
-	 * this condition and retry. */
-	do {
-		tid = syscall0(__NR_gettid);
-		pid = syscall0(__NR_getpid);
-		ret = syscall3(__NR_tgkill, pid, tid, sig);
-	} while (ret<0 && errno == ESRCH);
+	sigset_t set;
+	__syscall(SYS_rt_sigprocmask, SIG_BLOCK, (uint64_t[]){-1}, &set, 8);
+	tid = syscall(SYS_gettid);
+	pid = syscall(SYS_getpid);
+	ret = syscall(SYS_tgkill, pid, tid, sig);
+	__syscall(SYS_rt_sigprocmask, SIG_SETMASK, &set, 0, 8);
 	return ret;
 }