diff options
Diffstat (limited to 'storage/xtradb/os/os0thread.cc')
| -rw-r--r-- | storage/xtradb/os/os0thread.cc | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/storage/xtradb/os/os0thread.cc b/storage/xtradb/os/os0thread.cc index aabdd06d76b..af826027efc 100644 --- a/storage/xtradb/os/os0thread.cc +++ b/storage/xtradb/os/os0thread.cc @@ -210,14 +210,42 @@ os_thread_create_func( #endif } +/** +Waits until the specified thread completes and joins it. Its return value is +ignored. + +@param thread thread to join */ +UNIV_INTERN +void +os_thread_join( + os_thread_t thread) +{ + /*This function is currently only used to workaround glibc bug + described in http://bugs.mysql.com/bug.php?id=82886 + + On Windows, no workarounds are necessary, all threads + are "detached" upon thread exit (handle is closed), so we do + nothing. + */ +#ifndef _WIN32 + int ret MY_ATTRIBUTE((unused)) = pthread_join(thread, NULL); + + /* Waiting on already-quit threads is allowed */ + ut_ad(ret == 0 || ret == ESRCH); +#endif +} + /*****************************************************************//** Exits the current thread. */ UNIV_INTERN void os_thread_exit( /*===========*/ - void* exit_value) /*!< in: exit value; in Windows this void* + void* exit_value, /*!< in: exit value; in Windows this void* is cast as a DWORD */ + bool detach) /*!< in: if true, the thread will be detached + right before exiting. If false, another thread + is responsible for joining this thread. */ { #ifdef UNIV_DEBUG_THREAD_CREATION fprintf(stderr, "Thread exits, id %lu\n", @@ -233,7 +261,8 @@ os_thread_exit( #ifdef __WIN__ ExitThread((DWORD) exit_value); #else - pthread_detach(pthread_self()); + if (detach) + pthread_detach(pthread_self()); pthread_exit(exit_value); #endif } |