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authorRich Felker <dalias@aerifal.cx>2011-09-21 21:30:45 -0400
committerRich Felker <dalias@aerifal.cx>2011-09-21 21:30:45 -0400
commitca52e347673126956a4f21247d8a551ea668f61f (patch)
treeca8a0e767640ca64fd91ab0d3edc75f24b269178
parent319df20bc9c20231d8efd810780c012cbdcfb109 (diff)
downloadmusl-ca52e347673126956a4f21247d8a551ea668f61f.tar.gz
avoid setting FILE lock count when not using flockfile
for now this is just a tiny optimization, but later if we support cancellation from __stdio_read and __stdio_write, it will be necessary for the recusrive lock count to be zero in order for these functions to know they are responsible for unlocking the FILE on cancellation.
-rw-r--r--src/stdio/__lockfile.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/stdio/__lockfile.c b/src/stdio/__lockfile.c
index 6ebf6202..3bf3c26b 100644
--- a/src/stdio/__lockfile.c
+++ b/src/stdio/__lockfile.c
@@ -8,7 +8,7 @@ int __lockfile(FILE *f)
return 0;
while ((owner = a_cas(&f->lock, 0, tid)))
__wait(&f->lock, &f->waiters, owner, 1);
- return f->lockcount = 1;
+ return 1;
}
void __unlockfile(FILE *f)