diff options
| author | Baruch Siach <baruch@tkos.co.il> | 2013-10-02 16:14:55 +0300 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2013-11-04 15:01:39 -0800 |
| commit | a20d9fe5396585b6448aa13c5f6cf8d111b7b7f5 (patch) | |
| tree | 2f32c0f47871ea7f6da3859508d27c755646392b | |
| parent | caee5620633acbf1b620d9704a5a372358adba32 (diff) | |
xtensa: fix atomic_decrement_if_positive() return value
atomic_decrement_if_positive() returns the old value of &mem, not the
(sometimes undefined) value of __tmp.
Fixes the uClibc nptl/tst-sem3 test.
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
| -rw-r--r-- | libc/sysdeps/linux/xtensa/bits/atomic.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/xtensa/bits/atomic.h b/libc/sysdeps/linux/xtensa/bits/atomic.h index a31841a4b..b2be547f0 100644 --- a/libc/sysdeps/linux/xtensa/bits/atomic.h +++ b/libc/sysdeps/linux/xtensa/bits/atomic.h @@ -154,7 +154,7 @@ typedef uintmax_t uatomic_max_t; : "=&a" (__value), "=&a" (__tmp) \ : "a" (mem) \ : "memory" ); \ - __tmp; \ + __value; \ }) |