diff options
Diffstat (limited to 'nptl/sysdeps/pthread/pthread_sigmask.c')
-rw-r--r-- | nptl/sysdeps/pthread/pthread_sigmask.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/nptl/sysdeps/pthread/pthread_sigmask.c b/nptl/sysdeps/pthread/pthread_sigmask.c new file mode 100644 index 0000000000..8ec7cf81ee --- /dev/null +++ b/nptl/sysdeps/pthread/pthread_sigmask.c @@ -0,0 +1,44 @@ +/* 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); +} |