path: root/src/thread/pthread_mutexattr_setprotocol.c
diff options
authorRich Felker <>2012-11-17 18:42:16 -0500
committerRich Felker <>2012-11-17 18:42:16 -0500
commit5c6443ac42ba00ad3a0b4e98db4cc8f45596ca93 (patch)
tree2ce1b3ac12ce35ad66baadd4cd7449003297b31e /src/thread/pthread_mutexattr_setprotocol.c
parentbb9abdef48969671ee51f28379981a13c440d0d9 (diff)
add stub versions of some missing optional pthread interfaces
priority inheritance is not yet supported, and priority protection probably will not be supported ever unless there's serious demand for it (it's a fairly heavy-weight feature). per-thread cpu clocks would be nice to have, but to my knowledge linux is still not capable of supporting them. glibc fakes them by using the _process_ cpu-time clock and subtracting the thread creation time, which gives seriously incorrect semantics (worse than not supporting the feature at all), so until there's a way to do it right, it will remain as a stub that always fails.
Diffstat (limited to 'src/thread/pthread_mutexattr_setprotocol.c')
1 files changed, 7 insertions, 0 deletions
diff --git a/src/thread/pthread_mutexattr_setprotocol.c b/src/thread/pthread_mutexattr_setprotocol.c
new file mode 100644
index 00000000..c92a31c8
--- /dev/null
+++ b/src/thread/pthread_mutexattr_setprotocol.c
@@ -0,0 +1,7 @@
+#include "pthread_impl.h"
+int pthread_mutexattr_setprotocol(pthread_mutexattr_t *a, int protocol)
+ if (protocol) return ENOTSUP;
+ return 0;