modernc.org/cc@v1.0.1/v2/headers/linux_arm/usr/include/arm-linux-gnueabihf/bits/sigstack.h (about)

     1  /* sigstack, sigaltstack definitions.
     2     Copyright (C) 1998-2016 Free Software Foundation, Inc.
     3     This file is part of the GNU C Library.
     4  
     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.
     9  
    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.
    14  
    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/>.  */
    18  
    19  #ifndef _SIGNAL_H
    20  #error "Never include this file directly.  Use <signal.h> instead"
    21  #endif
    22  
    23  /* Structure describing a signal stack (obsolete).  */
    24  struct sigstack {
    25  	void *ss_sp;		/* Signal stack pointer.  */
    26  	int ss_onstack;		/* Nonzero if executing on this stack.  */
    27  };
    28  
    29  /* Possible values for `ss_flags.'.  */
    30  enum {
    31  	SS_ONSTACK = 1,
    32  #define SS_ONSTACK	SS_ONSTACK
    33  	SS_DISABLE
    34  #define SS_DISABLE	SS_DISABLE
    35  };
    36  
    37  /* Minimum stack size for a signal handler.  */
    38  #define MINSIGSTKSZ	2048
    39  
    40  /* System default stack size.  */
    41  #define SIGSTKSZ	8192
    42  
    43  /* Alternate, preferred interface.  */
    44  typedef struct sigaltstack {
    45  	void *ss_sp;
    46  	int ss_flags;
    47  	size_t ss_size;
    48  } stack_t;