From b7681167cbe91c2bb95cccdc08f75184ed1fb839 Mon Sep 17 00:00:00 2001 From: Mathias Agopian Date: Mon, 13 Jul 2009 22:00:33 -0700 Subject: [PATCH] allow pthread_mutexattr_setpshared to accept SHARED mutexes, since our current impl actually uses shared mutexes --- libc/bionic/pthread.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/libc/bionic/pthread.c b/libc/bionic/pthread.c index 5712840f9..d8a3166a2 100644 --- a/libc/bionic/pthread.c +++ b/libc/bionic/pthread.c @@ -789,7 +789,18 @@ int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared) if (!attr) return EINVAL; - return (pshared == PTHREAD_PROCESS_PRIVATE) ? 0 : ENOTSUP; + switch (pshared) { + case PTHREAD_PROCESS_PRIVATE: + case PTHREAD_PROCESS_SHARED: + /* our current implementation of pthread actually supports shared + * mutexes but won't cleanup if a process dies with the mutex held. + * Nevertheless, it's better than nothing. Shared mutexes are used + * by surfaceflinger and audioflinger. + */ + return 0; + } + + return ENOTSUP; } int pthread_mutexattr_getpshared(pthread_mutexattr_t *attr, int *pshared)