X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fstdio%2Fflockfile.c;h=8e2206514c67db4bd05aef79484ad110a07170ed;hb=59b64ff686cef2a87e9552658b2c8d2531f87176;hp=6b574cf0905f8ac4bd58458c2730d5e79b739634;hpb=c21f750727515602a9e84f2a190ee8a0a2aeb2a1;p=musl

diff --git a/src/stdio/flockfile.c b/src/stdio/flockfile.c
index 6b574cf0..8e220651 100644
--- a/src/stdio/flockfile.c
+++ b/src/stdio/flockfile.c
@@ -1,14 +1,9 @@
 #include "stdio_impl.h"
 #include "pthread_impl.h"
 
-#define MAYBE_WAITERS 0x40000000
-
 void flockfile(FILE *f)
 {
-	while (ftrylockfile(f)) {
-		int owner = f->lock;
-		if (!owner) continue;
-		a_cas(&f->lock, owner, owner|MAYBE_WAITERS);
-		__futexwait(&f->lock, owner|MAYBE_WAITERS, 1);
-	}
+	if (!ftrylockfile(f)) return;
+	__lockfile(f);
+	__register_locked_file(f, __pthread_self());
 }