X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2F__wait.c;h=dc33c1a30992e6c04e4482cef8a2f8279d18262a;hb=246f1c811448f37a44b41cd8df8d0ef9736d95f4;hp=8c249cd3538114feea460831b8aaaf8e7cf8daed;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01;p=musl

diff --git a/src/thread/__wait.c b/src/thread/__wait.c
index 8c249cd3..dc33c1a3 100644
--- a/src/thread/__wait.c
+++ b/src/thread/__wait.c
@@ -1,16 +1,17 @@
-#define SYSCALL_RETURN_ERRNO
 #include "pthread_impl.h"
 
 void __wait(volatile int *addr, volatile int *waiters, int val, int priv)
 {
-	int spins=50000;
-	if (priv) priv = 128; priv=0;
-	while (spins--) {
+	int spins=100;
+	if (priv) priv = FUTEX_PRIVATE;
+	while (spins-- && (!waiters || !*waiters)) {
 		if (*addr==val) a_spin();
 		else return;
 	}
 	if (waiters) a_inc(waiters);
-	while (*addr==val)
-		syscall4(__NR_futex, (long)addr, FUTEX_WAIT|priv, val, 0);
+	while (*addr==val) {
+		__syscall(SYS_futex, addr, FUTEX_WAIT|priv, val, 0) != -ENOSYS
+		|| __syscall(SYS_futex, addr, FUTEX_WAIT, val, 0);
+	}
 	if (waiters) a_dec(waiters);
 }