/* 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #ifndef _SIGNAL_H # error "Never include this file directly. Use <signal.h> instead" #endif /* Structure describing a signal stack (obsolete). */ struct sigstack { __ptr_t ss_sp; /* Signal stack pointer. */ int ss_onstack; /* Nonzero if executing on this stack. */ }; /* Alternate, preferred interface. */ typedef struct sigaltstack { __ptr_t ss_sp; size_t ss_size; int ss_flags; } stack_t; /* Possible values for `ss_flags.'. */ enum { SS_ONSTACK = 0x0001, #define SS_ONSTACK SS_ONSTACK SS_DISABLE = 0x0004, #define SS_DISABLE SS_DISABLE }; /* Minumum stack size for a signal handler. */ #define MINSIGSTKSZ 8192 /* System default stack size. */ #define SIGSTKSZ (MINSIGSTKSZ + 32768)