LXR qemu/linux-user/signal-common.h

   1/*
   2 *  Emulation of Linux signals
   3 *
   4 *  Copyright (c) 2003 Fabrice Bellard
   5 *
   6 *  This program is free software; you can redistribute it and/or modify
   7 *  it under the terms of the GNU General Public License as published by
   8 *  the Free Software Foundation; either version 2 of the License, or
   9 *  (at your option) any later version.
  10 *
  11 *  This program is distributed in the hope that it will be useful,
  12 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *  GNU General Public License for more details.
  15 *
  16 *  You should have received a copy of the GNU General Public License
  17 *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20#ifndef SIGNAL_COMMON_H
  21#define SIGNAL_COMMON_H
  22extern struct target_sigaltstack target_sigaltstack_used;
  23
  24int on_sig_stack(unsigned long sp);
  25int sas_ss_flags(unsigned long sp);
  26abi_ulong target_sigsp(abi_ulong sp, struct target_sigaction *ka);
  27void target_save_altstack(target_stack_t *uss, CPUArchState *env);
  28
  29static inline void target_sigemptyset(target_sigset_t *set)
  30{
  31    memset(set, 0, sizeof(*set));
  32}
  33
  34void host_to_target_sigset_internal(target_sigset_t *d,
  35                                    const sigset_t *s);
  36void target_to_host_sigset_internal(sigset_t *d,
  37                                    const target_sigset_t *s);
  38void tswap_siginfo(target_siginfo_t *tinfo,
  39                   const target_siginfo_t *info);
  40void set_sigmask(const sigset_t *set);
  41void force_sig(int sig);
  42void force_sigsegv(int oldsig);
  43#if defined(TARGET_ARCH_HAS_SETUP_FRAME)
  44void setup_frame(int sig, struct target_sigaction *ka,
  45                 target_sigset_t *set, CPUArchState *env);
  46#endif
  47void setup_rt_frame(int sig, struct target_sigaction *ka,
  48                    target_siginfo_t *info,
  49                    target_sigset_t *set, CPUArchState *env);
  50#endif
  51