1 /* sigstack, sigaltstack definitions.
2 Copyright (C) 1998-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
20 # error "Never include this file directly. Use <signal.h> instead"
26 /* Structure describing a signal stack (obsolete). */
29 __ptr_t ss_sp
; /* Signal stack pointer. */
30 int ss_onstack
; /* Nonzero if executing on this stack. */
34 /* Possible values for `ss_flags.'. */
38 #define SS_ONSTACK SS_ONSTACK
40 #define SS_DISABLE SS_DISABLE
43 /* Minimum stack size for a signal handler.
45 Yes, this should be 131072 but the constant got defined incorrectly
46 in the kernel and we have to live with it. Users should in any case
47 use SIGSTKSZ as the size user-supplied buffers should have. */
48 #define MINSIGSTKSZ 131027
50 /* System default stack size. */
51 #define SIGSTKSZ 262144
54 /* Alternate, preferred interface. */
55 typedef struct sigaltstack
62 #endif /* bits/sigstack.h */