diff options
Diffstat (limited to 'libjava/sysdep/i386/locks.h')
-rw-r--r-- | libjava/sysdep/i386/locks.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libjava/sysdep/i386/locks.h b/libjava/sysdep/i386/locks.h index 0c029ac..a9501ae 100644 --- a/libjava/sysdep/i386/locks.h +++ b/libjava/sysdep/i386/locks.h @@ -62,4 +62,12 @@ read_barrier() { } +// Ensure that prior stores to memory are completed with respect to other +// processors. +inline static void +write_barrier() +{ + // X86 does not reorder writes. We just need to ensure that gcc also doesn't. + __asm__ __volatile__(" " : : : "memory"); +} #endif |