diff options
Diffstat (limited to 'sysdeps/generic/sigprocmask.c')
-rw-r--r-- | sysdeps/generic/sigprocmask.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/sysdeps/generic/sigprocmask.c b/sysdeps/generic/sigprocmask.c new file mode 100644 index 0000000..472b3a4 --- /dev/null +++ b/sysdeps/generic/sigprocmask.c @@ -0,0 +1,51 @@ +/* Copyright (C) 1991, 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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 <errno.h> +#include <signal.h> + + +/* If SET is not NULL, modify the current set of blocked signals + according to HOW, which may be SIG_BLOCK, SIG_UNBLOCK or SIG_SETMASK. + If OSET is not NULL, store the old set of blocked signals in *OSET. */ +int +__sigprocmask (how, set, oset) + int how; + const sigset_t *set; + sigset_t *oset; +{ + switch (how) + { + case SIG_BLOCK: + case SIG_UNBLOCK: + case SIG_SETMASK: + break; + default: + __set_errno (EINVAL); + return -1; + } + + __set_errno (ENOSYS); + return -1; +} + +/* No stub warning because abort calls __sigprocmask, + and we don't want warnings for every use of abort on + a system without safe signals. */ + +weak_alias (__sigprocmask, sigprocmask) |