1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/sigprocmask.c b/sysdeps/unix/sysv/linux/alpha/sigprocmask.c
new file mode 100644
index 0000000000..a1d5636fcb
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/alpha/sigprocmask.c
@@ -0,0 +1,49 @@
+/* Copyright (C) 1993, 1995 Free Software Foundation, Inc.
+   Contributed by David Mosberger (davidm@azstarnet.com).
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <sysdep.h>
+#include <signal.h>
+
+extern unsigned long __osf_sigprocmask (int how, unsigned long newmask);
+
+int
+__sigprocmask (int how, const sigset_t *set, sigset_t *oset)
+{
+  sigset_t setval;
+  long result;
+
+  if (set) {
+    setval = *set;
+  } else {
+    sigemptyset(&setval);
+    how = SIG_BLOCK;	/* ensure blocked mask doesn't get changed */
+  }
+  result = __osf_sigprocmask(how, setval);
+  if (result == -1) {
+    /* if there are ever more than 63 signals, we need to recode this
+       in assembler since we wouldn't be able to distinguish a mask of
+       all 1s from -1, but for now, we're doing just fine... */
+    return result;
+  }
+  if (oset) {
+    *oset = result;
+  }
+  return 0;
+}
+
+weak_alias (__sigprocmask, sigprocmask);