/* sigstack, sigaltstack definitions. Copyright (C) 1998 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/>. */ #ifndef _SIGNAL_H # error "Never include this file directly. Use <signal.h> instead" #endif #if defined __UCLIBC_SUSV4_LEGACY__ || !defined __UCLIBC_STRICT_HEADERS__ /* Structure describing a signal stack (obsolete). */ struct sigstack { __ptr_t ss_sp; /* Signal stack pointer. */ int ss_onstack; /* Nonzero if executing on this stack. */ }; #endif /* Possible values for `ss_flags.'. */ enum { SS_ONSTACK = 1, #define SS_ONSTACK SS_ONSTACK SS_DISABLE #define SS_DISABLE SS_DISABLE }; /* Minimum stack size for a signal handler. */ #define MINSIGSTKSZ 4096 /* System default stack size. */ #define SIGSTKSZ 16384 /* Alternate, preferred interface. */ typedef struct sigaltstack { __ptr_t ss_sp; int ss_flags; size_t ss_size; } stack_t;