X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fthread%2F__wait.c;h=dc33c1a30992e6c04e4482cef8a2f8279d18262a;hb=b19fa247831bedd78fe4a671786883a25ddb6ca1;hp=041a0669a0587644e4f8347d8d8a76866b8a9672;hpb=77f15d108ee021d4dfbeebe793661131c4470d4d;p=musl

diff --git a/src/thread/__wait.c b/src/thread/__wait.c
index 041a0669..dc33c1a3 100644
--- a/src/thread/__wait.c
+++ b/src/thread/__wait.c
@@ -2,14 +2,16 @@
 
 void __wait(volatile int *addr, volatile int *waiters, int val, int priv)
 {
-	int spins=10000;
-	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)
-		__syscall(SYS_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);
 }