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authorRich Felker <dalias@aerifal.cx>2011-03-28 22:36:55 -0400
committerRich Felker <dalias@aerifal.cx>2011-03-28 22:36:55 -0400
commit4106cdcd2de34bf3b9839e042344d92eae887ecb (patch)
tree9d14a51c59eb318024aa0edf2a1c19ffa0ed6583 /src/stdio/__lockfile.c
parent4cc78719dd22a685ddd89b92ac3bfc308c4c19b3 (diff)
downloadmusl-4106cdcd2de34bf3b9839e042344d92eae887ecb.tar.gz
revert some more spin optimizations that turned out to be pessimizations
Diffstat (limited to 'src/stdio/__lockfile.c')
-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 93c94867..c0948255 100644
--- a/src/stdio/__lockfile.c
+++ b/src/stdio/__lockfile.c
@@ -13,7 +13,7 @@ void __lockfile(FILE *f)
f->lockcount++;
return;
}
- while (f->lock || a_cas(&f->lock, 0, tid))
+ while (a_cas(&f->lock, 0, tid))
if (spins) spins--, a_spin();
else syscall(SYS_sched_yield);
f->lockcount = 1;