sync with FreeBSD (rwlock, gc thread, man pages)

add (broken) mips md stuff
fix some const warnings
add sigaltstack() stub
another hash at getting shlib auto-init to work (mips/elf and i386/a.out)

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/libpthread/uthread/uthread_spec.c b/lib/libpthread/uthread/uthread_spec.c
index 081a000788d..1fe789e6201 100644
--- a/lib/libpthread/uthread/uthread_spec.c
+++ b/lib/libpthread/uthread/uthread_spec.c
@@ -119,10 +119,12 @@ _thread_cleanupspecific(void)
 					destructor(data);
 			} else {
 				free(_thread_run->specific_data);
+				_thread_run->specific_data = NULL;
 				return;
 			}
 		}
 	}
+	_thread_run->specific_data = NULL;
 	free(_thread_run->specific_data);
 }