diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/os_posix/os_yield.c')
| -rw-r--r-- | src/third_party/wiredtiger/src/os_posix/os_yield.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/src/os_posix/os_yield.c b/src/third_party/wiredtiger/src/os_posix/os_yield.c index 37d05bc1854..f7c43aae746 100644 --- a/src/third_party/wiredtiger/src/os_posix/os_yield.c +++ b/src/third_party/wiredtiger/src/os_posix/os_yield.c @@ -16,5 +16,13 @@ void __wt_yield(void) WT_GCC_FUNC_ATTRIBUTE((visibility("default"))) { + /* + * Yielding the processor isn't documented as a memory barrier, and it's + * a reasonable expectation to have. There's no reason not to explicitly + * include a barrier since we're giving up the CPU, and ensures callers + * aren't ever surprised. + */ + WT_FULL_BARRIER(); + sched_yield(); } |