diff options
Diffstat (limited to 'REORG.TODO/signal/sysv_signal.c')
-rw-r--r-- | REORG.TODO/signal/sysv_signal.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/REORG.TODO/signal/sysv_signal.c b/REORG.TODO/signal/sysv_signal.c new file mode 100644 index 0000000000..04de2cf9ab --- /dev/null +++ b/REORG.TODO/signal/sysv_signal.c @@ -0,0 +1,39 @@ +/* Copyright (C) 1991-2017 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, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <signal.h> + +/* Set the handler for the signal SIG to HANDLER, + returning the old handler, or SIG_ERR on error. */ +__sighandler_t +__sysv_signal (int sig, __sighandler_t handler) +{ + /* Check signal extents to protect __sigismember. */ + if (handler == SIG_ERR || sig < 1 || sig >= NSIG) + { + __set_errno (EINVAL); + return SIG_ERR; + } + + __set_errno (ENOSYS); + + return SIG_ERR; +} +weak_alias (__sysv_signal, sysv_signal) + +stub_warning (sysv_signal) |