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use a_swap rather than old name a_xchg
author
Rich Felker
<dalias@aerifal.cx>
Fri, 16 Sep 2011 18:29:24 +0000
(14:29 -0400)
committer
Rich Felker
<dalias@aerifal.cx>
Fri, 16 Sep 2011 18:29:24 +0000
(14:29 -0400)
src/thread/__lock.c
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diff --git
a/src/thread/__lock.c
b/src/thread/__lock.c
index
21c85fc
..
d171795
100644
(file)
--- a/
src/thread/__lock.c
+++ b/
src/thread/__lock.c
@@
-5,7
+5,7
@@
void __lock(volatile int *l)
int spins=10000;
/* Do not use futexes because we insist that unlocking is a simple
* assignment to optimize non-pathological code with no contention. */
int spins=10000;
/* Do not use futexes because we insist that unlocking is a simple
* assignment to optimize non-pathological code with no contention. */
- while (a_
xchg
(l, 1))
+ while (a_
swap
(l, 1))
if (spins) spins--, a_spin();
else __syscall(SYS_sched_yield);
}
if (spins) spins--, a_spin();
else __syscall(SYS_sched_yield);
}