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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-02 20:27:29 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2014-04-02 20:27:29 +0000 |
| commit | 15129d8a7cd93cfd3a78d82f3242fede4540bfa1 (patch) | |
| tree | 47b819ab3c0e90f5bbb4ca4555eb28c8bbac83cb /libgomp/config | |
| parent | 871ad56fe512d7ec0b631ef15280ab6f41bcad39 (diff) | |
| download | gcc-15129d8a7cd93cfd3a78d82f3242fede4540bfa1.tar.gz | |
libgomp: Fix default futex vs errno
* config/linux/futex.h (futex_wait): Get error value from errno.
(futex_wake): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@209035 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libgomp/config')
| -rw-r--r-- | libgomp/config/linux/futex.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libgomp/config/linux/futex.h b/libgomp/config/linux/futex.h index 802abfd24e2..63334c7c916 100644 --- a/libgomp/config/linux/futex.h +++ b/libgomp/config/linux/futex.h @@ -41,8 +41,8 @@ static inline void futex_wait (int *addr, int val) { - long err = syscall (SYS_futex, addr, gomp_futex_wait, val, NULL); - if (__builtin_expect (err == -ENOSYS, 0)) + int err = syscall (SYS_futex, addr, gomp_futex_wait, val, NULL); + if (__builtin_expect (err < 0 && errno == ENOSYS, 0)) { gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; @@ -53,8 +53,8 @@ futex_wait (int *addr, int val) static inline void futex_wake (int *addr, int count) { - long err = syscall (SYS_futex, addr, gomp_futex_wake, count); - if (__builtin_expect (err == -ENOSYS, 0)) + int err = syscall (SYS_futex, addr, gomp_futex_wake, count); + if (__builtin_expect (err < 0 && errno == ENOSYS, 0)) { gomp_futex_wait &= ~FUTEX_PRIVATE_FLAG; gomp_futex_wake &= ~FUTEX_PRIVATE_FLAG; |