1 files changed, 100 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_clean.c b/lib/libthr/thread/thr_clean.c
new file mode 100644
index 0000000..dc5b0c7
--- /dev/null
+++ b/lib/libthr/thread/thr_clean.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 1995 John Birrell <jb@cimlogic.com.au>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include "namespace.h"
+#include <signal.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <pthread.h>
+#include "un-namespace.h"
+
+#include "thr_private.h"
+
+#undef pthread_cleanup_push
+#undef pthread_cleanup_pop
+
+/* old binary compatible interfaces */
+__weak_reference(_pthread_cleanup_push, pthread_cleanup_push);
+__weak_reference(_pthread_cleanup_pop, pthread_cleanup_pop);
+
+void
+__pthread_cleanup_push_imp(void (*routine)(void *), void *arg,
+	struct _pthread_cleanup_info *info)
+{
+	struct pthread	*curthread = _get_curthread();
+	struct pthread_cleanup *newbuf;
+
+	newbuf = (void *)info;
+	newbuf->routine = routine;
+	newbuf->routine_arg = arg;
+	newbuf->onheap = 0;
+	newbuf->prev = curthread->cleanup;
+	curthread->cleanup = newbuf;
+}
+
+void
+__pthread_cleanup_pop_imp(int execute)
+{
+	struct pthread	*curthread = _get_curthread();
+	struct pthread_cleanup *old;
+
+	if ((old = curthread->cleanup) != NULL) {
+		curthread->cleanup = old->prev;
+		if (execute)
+			old->routine(old->routine_arg);
+		if (old->onheap)
+			free(old);
+	}
+}
+
+void
+_pthread_cleanup_push(void (*routine) (void *), void *arg)
+{
+	struct pthread	*curthread = _get_curthread();
+	struct pthread_cleanup *newbuf;
+#ifdef _PTHREAD_FORCED_UNWIND
+	curthread->unwind_disabled = 1;
+#endif
+	if ((newbuf = (struct pthread_cleanup *)
+	    malloc(sizeof(struct _pthread_cleanup_info))) != NULL) {
+		newbuf->routine = routine;
+		newbuf->routine_arg = arg;
+		newbuf->onheap = 1;
+		newbuf->prev = curthread->cleanup;
+		curthread->cleanup = newbuf;
+	}
+}
+
+void
+_pthread_cleanup_pop(int execute)
+{
+	__pthread_cleanup_pop_imp(execute);
+}