diff options
Diffstat (limited to 'src/os_win/os_thread.c')
| -rw-r--r-- | src/os_win/os_thread.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/os_win/os_thread.c b/src/os_win/os_thread.c index a34dff776b6..4c8f212bb4f 100644 --- a/src/os_win/os_thread.c +++ b/src/os_win/os_thread.c @@ -16,6 +16,13 @@ int __wt_thread_create(WT_SESSION_IMPL *session, wt_thread_t *tidret, WT_THREAD_CALLBACK(*func)(void *), void *arg) { + /* + * Creating a thread isn't a memory barrier, but WiredTiger commonly + * sets flags and or state and then expects worker threads to start. + * Include a barrier to ensure safety in those cases. + */ + WT_FULL_BARRIER(); + /* Spawn a new thread of control. */ *tidret = (HANDLE)_beginthreadex(NULL, 0, func, arg, 0, NULL); if (*tidret != 0) @@ -33,6 +40,13 @@ __wt_thread_join(WT_SESSION_IMPL *session, wt_thread_t tid) { DWORD windows_error; + /* + * Joining a thread isn't a memory barrier, but WiredTiger commonly + * sets flags and or state and then expects worker threads to halt. + * Include a barrier to ensure safety in those cases. + */ + WT_FULL_BARRIER(); + if ((windows_error = WaitForSingleObject(tid, INFINITE)) != WAIT_OBJECT_0) { if (windows_error == WAIT_FAILED) @@ -58,10 +72,10 @@ __wt_thread_join(WT_SESSION_IMPL *session, wt_thread_t tid) * __wt_thread_id -- * Fill in a printable version of the process and thread IDs. */ -void +int __wt_thread_id(char *buf, size_t buflen) { - (void)snprintf(buf, buflen, + return (__wt_snprintf(buf, buflen, "%" PRIu64 ":%" PRIu64, - (uint64_t)GetCurrentProcessId(), (uint64_t)GetCurrentThreadId); + (uint64_t)GetCurrentProcessId(), (uint64_t)GetCurrentThreadId)); } |