allow pthread_mutexattr_setpshared to accept SHARED mutexes, since our current impl actually uses shared mutexes
diff --git a/libc/bionic/pthread.c b/libc/bionic/pthread.c
index 5712840..d8a3166 100644
--- a/libc/bionic/pthread.c
+++ b/libc/bionic/pthread.c
@@ -789,7 +789,18 @@
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)
