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-rw-r--r--nptl/sysdeps/pthread/pthread_sigmask.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/pthread_sigmask.c b/nptl/sysdeps/pthread/pthread_sigmask.c
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+++ b/nptl/sysdeps/pthread/pthread_sigmask.c
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+/* Copyright (C) 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <signal.h>
+#include <pthreadP.h>
+
+
+int
+pthread_sigmask (how, newmask, oldmask)
+     int how;
+     const sigset_t *newmask;
+     sigset_t *oldmask;
+{
+  sigset_t local_newmask;
+
+  /* The only thing we have to make sure here is that SIGCANCEL is not
+     blocked.  */
+  if (newmask != NULL
+      && (how == SIG_SETMASK || how == SIG_BLOCK)
+      && sigismember (newmask, SIGCANCEL))
+    {
+      local_newmask = *newmask;
+      sigdelset (&local_newmask, SIGCANCEL);
+      newmask = &local_newmask;
+    }
+
+  return sigprocmask (how, newmask, oldmask);
+}