1 files changed, 75 insertions, 0 deletions
diff --git a/lib/libpthread/thread/thr_sigmask.c b/lib/libpthread/thread/thr_sigmask.c
new file mode 100644
index 0000000..f98c421
--- /dev/null
+++ b/lib/libpthread/thread/thr_sigmask.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by John Birrell.
+ * 4. 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 <sys/param.h>
+#include <sys/types.h>
+#include <sys/signalvar.h>
+#include <errno.h>
+#include <signal.h>
+#include <pthread.h>
+#include "thr_private.h"
+
+__weak_reference(_pthread_sigmask, pthread_sigmask);
+
+int
+_pthread_sigmask(int how, const sigset_t *set, sigset_t *oset)
+{
+	int i;
+	struct pthread *curthread = _get_curthread();
+
+	if (oset != NULL)
+		bcopy(&curthread->mailbox.tm_context.uc_sigmask, oset,
+		    sizeof(sigset_t));
+	if (set == NULL)
+		return (0);
+	switch (how) {
+	case SIG_BLOCK:
+		for (i = 0; i < _SIG_WORDS; i++)
+			curthread->mailbox.tm_context.uc_sigmask.__bits[i] |=
+			    set->__bits[i];
+		break;
+	case SIG_UNBLOCK:
+		for (i = 0; i < _SIG_WORDS; i++)
+			curthread->mailbox.tm_context.uc_sigmask.__bits[i] &=
+			    ~set->__bits[i];
+		break;
+	case SIG_SETMASK:
+		bcopy(set, &curthread->mailbox.tm_context.uc_sigmask,
+		    sizeof(sigset_t));
+		break;
+	default:
+		errno = EINVAL;
+		return (-1);
+	}
+	return (0);
+}