]> granicus.if.org Git - strace/blobdiff - print_sigevent.c
Update copyright headers
[strace] / print_sigevent.c
index 52337cb7a51b035c0fa35e5a7dc2f474ea1cf9d1..2729810392e8ea4ea6a7bb4228f0a0013445930e 100644 (file)
 /*
  * Copyright (c) 2003, 2004 Ulrich Drepper <drepper@redhat.com>
- * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2005-2018 Dmitry V. Levin <ldv@altlinux.org>
  * All rights reserved.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier: LGPL-2.1-or-later
  */
 
 #include "defs.h"
 
-#include <signal.h>
+#include DEF_MPERS_TYPE(struct_sigevent)
+#include "sigevent.h"
+#include MPERS_DEFS
 
+#include <signal.h>
 #include "xlat/sigev_value.h"
 
-#if SUPPORTED_PERSONALITIES > 1
-static void
-printsigevent32(struct tcb *tcp, long arg)
+MPERS_PRINTER_DECL(void, print_sigevent,
+                  struct tcb *const tcp, const kernel_ulong_t addr)
 {
-       struct {
-               int     sigev_value;
-               int     sigev_signo;
-               int     sigev_notify;
+       struct_sigevent sev;
 
-               union {
-                       int     tid;
-                       struct {
-                               int     function, attribute;
-                       } thread;
-               } un;
-       } sev;
+       if (umove_or_printaddr(tcp, addr, &sev))
+               return;
 
-       if (!umove_or_printaddr(tcp, arg, &sev)) {
-               tprintf("{%#x, ", sev.sigev_value);
-               if (sev.sigev_notify == SIGEV_SIGNAL)
-                       tprintf("%s, ", signame(sev.sigev_signo));
-               else
-                       tprintf("%u, ", sev.sigev_signo);
-               printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
-               tprints(", ");
-               if (sev.sigev_notify == SIGEV_THREAD_ID)
-                       tprintf("{%d}", sev.un.tid);
-               else if (sev.sigev_notify == SIGEV_THREAD)
-                       tprintf("{%#x, %#x}",
-                               sev.un.thread.function,
-                               sev.un.thread.attribute);
-               else
-                       tprints("{...}");
-               tprints("}");
+       tprints("{");
+       if (sev.sigev_value.sival_ptr) {
+               tprintf("sigev_value={sival_int=%d, sival_ptr=",
+                       sev.sigev_value.sival_int);
+               printaddr(sev.sigev_value.sival_ptr);
+               tprints("}, ");
        }
-}
-#endif
 
-void
-printsigevent(struct tcb *tcp, long arg)
-{
-       struct sigevent sev;
-
-#if SUPPORTED_PERSONALITIES > 1
-       if (current_wordsize == 4) {
-               printsigevent32(tcp, arg);
-               return;
+       tprints("sigev_signo=");
+       switch (sev.sigev_notify) {
+       case SIGEV_SIGNAL:
+       case SIGEV_THREAD:
+       case SIGEV_THREAD_ID:
+               printsignal(sev.sigev_signo);
+               break;
+       default:
+               tprintf("%u", sev.sigev_signo);
        }
-#endif
-       if (!umove_or_printaddr(tcp, arg, &sev)) {
-               tprintf("{%p, ", sev.sigev_value.sival_ptr);
-               if (sev.sigev_notify == SIGEV_SIGNAL)
-                       tprintf("%s, ", signame(sev.sigev_signo));
-               else
-                       tprintf("%u, ", sev.sigev_signo);
-               printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
-               tprints(", ");
-               if (sev.sigev_notify == SIGEV_THREAD_ID)
-#if defined(HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD)
-                       /* _pad[0] is the _tid field which might not be
-                          present in the userlevel definition of the
-                          struct.  */
-                       tprintf("{%d}", sev._sigev_un._pad[0]);
-#elif defined(HAVE_STRUCT_SIGEVENT___PAD)
-                       tprintf("{%d}", sev.__pad[0]);
-#else
-# warning unfamiliar struct sigevent => incomplete SIGEV_THREAD_ID decoding
-                       tprints("{...}");
-#endif
-               else if (sev.sigev_notify == SIGEV_THREAD)
-                       tprintf("{%p, %p}", sev.sigev_notify_function,
-                               sev.sigev_notify_attributes);
-               else
-                       tprints("{...}");
-               tprints("}");
+
+       tprints(", sigev_notify=");
+       printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
+
+       switch (sev.sigev_notify) {
+       case SIGEV_THREAD_ID:
+               tprintf(", sigev_notify_thread_id=%d", sev.sigev_un.tid);
+               break;
+       case SIGEV_THREAD:
+               tprints(", sigev_notify_function=");
+               printaddr(sev.sigev_un.sigev_thread.function);
+               tprints(", sigev_notify_attributes=");
+               printaddr(sev.sigev_un.sigev_thread.attribute);
+               break;
        }
+       tprints("}");
 }