granicus.if.org Git - strace/blob - rt_sigreturn.c

   1 /*
   2  * Copyright (c) 2017-2018 Dmitry V. Levin <ldv@altlinux.org>
   3  * All rights reserved.
   4  *
   5  * SPDX-License-Identifier: LGPL-2.1-or-later
   6  */
   7
   8 #include "defs.h"
   9
  10 #include DEF_MPERS_TYPE(struct_rt_sigframe)
  11
  12 #include "rt_sigframe.h"
  13
  14 #include MPERS_DEFS
  15
  16 #ifndef OFFSETOF_SIGMASK_IN_RT_SIGFRAME
  17 # define OFFSETOF_SIGMASK_IN_RT_SIGFRAME        \
  18                 offsetof(struct_rt_sigframe, uc.uc_sigmask)
  19 #endif
  20
  21 SYS_FUNC(rt_sigreturn)
  22 {
  23         const kernel_ulong_t sf_addr = get_rt_sigframe_addr(tcp);
  24
  25         if (sf_addr) {
  26                 const kernel_ulong_t sm_addr =
  27                         sf_addr + OFFSETOF_SIGMASK_IN_RT_SIGFRAME;
  28                 tprints("{mask=");
  29                 print_sigset_addr(tcp, sm_addr);
  30                 tprints("}");
  31         }
  32
  33         return RVAL_DECODED;
  34 }