Merge branch 'master' into ios-unified-ts-fix

Conflicts:
	include/private/gc_priv.h

1 files changed, 4 insertions, 4 deletions

diff --git a/os_dep.c b/os_dep.c
index 98e2af98..a362498a 100644
--- a/os_dep.c
+++ b/os_dep.c
@@ -1201,13 +1201,13 @@ GC_INNER word GC_page_size = 0;
       if (pthread_getattr_np(pthread_self(), &attr) == 0) {
         if (pthread_attr_getstack(&attr, &stackaddr, &size) == 0
             && stackaddr != NULL) {
-          pthread_attr_destroy(&attr);
+          (void)pthread_attr_destroy(&attr);
 #         ifdef STACK_GROWS_DOWN
             stackaddr = (char *)stackaddr + size;
 #         endif
           return (ptr_t)stackaddr;
         }
-        pthread_attr_destroy(&attr);
+        (void)pthread_attr_destroy(&attr);
       }
       WARN("pthread_getattr_np or pthread_attr_getstack failed"
            " for main thread\n", 0);
@@ -1284,7 +1284,7 @@ GC_INNER word GC_page_size = 0;
     if (pthread_attr_getstack(&attr, &(b -> mem_base), &size) != 0) {
         ABORT("pthread_attr_getstack failed");
     }
-    pthread_attr_destroy(&attr);
+    (void)pthread_attr_destroy(&attr);
 #   ifdef STACK_GROWS_DOWN
         b -> mem_base = (char *)(b -> mem_base) + size;
 #   endif
@@ -4185,7 +4185,7 @@ GC_INNER void GC_dirty_init(void)
   /* This will call the real pthread function, not our wrapper */
   if (pthread_create(&thread, &attr, GC_mprotect_thread, NULL) != 0)
     ABORT("pthread_create failed");
-  pthread_attr_destroy(&attr);
+  (void)pthread_attr_destroy(&attr);
 
   /* Setup the sigbus handler for ignoring the meaningless SIGBUSs */
 # ifdef BROKEN_EXCEPTION_HANDLING