1 /* Copyright (C) 1992-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
22 /* This function is called by the `sigsetjmp' macro
23 before doing a `__setjmp' on ENV[0].__jmpbuf.
24 Always return zero. */
27 __sigjmp_save (sigjmp_buf env
, int savemask
)
29 env
[0].__mask_was_saved
= (savemask
30 && __sigprocmask (SIG_BLOCK
, (sigset_t
*) NULL
,
31 (sigset_t
*) &env
[0].__saved_mask
) == 0);