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

   1 /*
   2  * Copyright (c) 2003, 2004 Ulrich Drepper <drepper@redhat.com>
   3  * Copyright (c) 2005-2018 Dmitry V. Levin <ldv@altlinux.org>
   4  * All rights reserved.
   5  *
   6  * SPDX-License-Identifier: LGPL-2.1-or-later
   7  */
   8
   9 #include "defs.h"
  10
  11 #include DEF_MPERS_TYPE(struct_sigevent)
  12 #include "sigevent.h"
  13 #include MPERS_DEFS
  14
  15 #include <signal.h>
  16 #include "xlat/sigev_value.h"
  17
  18 MPERS_PRINTER_DECL(void, print_sigevent,
  19                    struct tcb *const tcp, const kernel_ulong_t addr)
  20 {
  21         struct_sigevent sev;
  22
  23         if (umove_or_printaddr(tcp, addr, &sev))
  24                 return;
  25
  26         tprints("{");
  27         if (sev.sigev_value.sival_ptr) {
  28                 tprintf("sigev_value={sival_int=%d, sival_ptr=",
  29                         sev.sigev_value.sival_int);
  30                 printaddr(sev.sigev_value.sival_ptr);
  31                 tprints("}, ");
  32         }
  33
  34         tprints("sigev_signo=");
  35         switch (sev.sigev_notify) {
  36         case SIGEV_SIGNAL:
  37         case SIGEV_THREAD:
  38         case SIGEV_THREAD_ID:
  39                 printsignal(sev.sigev_signo);
  40                 break;
  41         default:
  42                 tprintf("%u", sev.sigev_signo);
  43         }
  44
  45         tprints(", sigev_notify=");
  46         printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
  47
  48         switch (sev.sigev_notify) {
  49         case SIGEV_THREAD_ID:
  50                 tprintf(", sigev_notify_thread_id=%d", sev.sigev_un.tid);
  51                 break;
  52         case SIGEV_THREAD:
  53                 tprints(", sigev_notify_function=");
  54                 printaddr(sev.sigev_un.sigev_thread.function);
  55                 tprints(", sigev_notify_attributes=");
  56                 printaddr(sev.sigev_un.sigev_thread.attribute);
  57                 break;
  58         }
  59         tprints("}");
  60 }