diff options
Diffstat (limited to 'libstdc++-v3/include/ext/mt_allocator.h')
| -rw-r--r-- | libstdc++-v3/include/ext/mt_allocator.h | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/libstdc++-v3/include/ext/mt_allocator.h b/libstdc++-v3/include/ext/mt_allocator.h index 1e95b55f467..cd3b273ad91 100644 --- a/libstdc++-v3/include/ext/mt_allocator.h +++ b/libstdc++-v3/include/ext/mt_allocator.h @@ -613,13 +613,15 @@ namespace __gnu_cxx if (!_S_bin[bin].mutex) __throw_bad_alloc(); - /* - * This is not only ugly - it's extremly non-portable! - * However gthr.h does not currently provide a - * __gthread_mutex_init() call. The correct solution to - * this problem needs to be discussed. - */ - pthread_mutex_init(_S_bin[bin].mutex, NULL); +#ifdef __GTHREAD_MUTEX_INIT + { + // Do not copy a POSIX/gthr mutex once in use. + __gthread_mutex_t __tmp = __GTHREAD_MUTEX_INIT; + *_S_bin[bin].mutex = __tmp; + } +#else + { __GTHREAD_MUTEX_INIT_FUNCTION (_S_bin[bin].mutex); } +#endif #endif for (size_t thread = 0; thread <= _S_max_threads; thread++) |