From: Zoltán Füzesi Date: Fri, 29 Jan 2010 19:26:53 GMT Subject: [RFC/PATCH] MSVC: Windows-native implementation of pthread_cond_broadcast Message-ID: <1264793213-8805-1-git-send-email-zfuzesi@eaglet.hu> In-Reply-To: <4B62CEAB.5050608@viscovery.net> Threaded grep feature relies on this function, but its implementation was missing from the Win32 Pthreads API. Signed-off-by: Zoltán Füzesi --- Johannes, how about this? I haven't tested it. compat/win32/pthread.c | 12 ++++++++++++ compat/win32/pthread.h | 2 ++ 2 files changed, 14 insertions(+), 0 deletions(-) diff --git a/compat/win32/pthread.c b/compat/win32/pthread.c index 631c0a4..498b552 100644 --- a/compat/win32/pthread.c +++ b/compat/win32/pthread.c @@ -108,3 +108,15 @@ int pthread_cond_signal(pthread_cond_t *cond) else return 0; } + +int pthread_cond_broadcast(pthread_cond_t *cond) +{ + LONG prev_count; + while (cond->waiters) { + if (!ReleaseSemaphore(cond->sema, 1, &prev_count)) + return err_win_to_posix(GetLastError()); + if (prev_count == LONG_MAX - 1) + break; + } + return 0; +} diff --git a/compat/win32/pthread.h b/compat/win32/pthread.h index b8e1bcb..11426f5 100644 --- a/compat/win32/pthread.h +++ b/compat/win32/pthread.h @@ -44,6 +44,8 @@ extern int pthread_cond_wait(pthread_cond_t *cond, CRITICAL_SECTION *mutex); extern int pthread_cond_signal(pthread_cond_t *cond); +extern int pthread_cond_broadcast(pthread_cond_t *cond); + /* * Simple thread creation implementation using pthread API */ -- 1.7.0.rc0.48.gdace5.dirty