1 /*
2 * Copyright (c) 2003, 2004 Ulrich Drepper <drepper@redhat.com>
3 * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "defs.h"
30
31 #include DEF_MPERS_TYPE(struct_sigevent)
32
33 #include <signal.h>
34 typedef struct sigevent struct_sigevent;
35
36 #include MPERS_DEFS
37
38 #include "xlat/sigev_value.h"
39
MPERS_PRINTER_DECL(void,print_sigevent)40 MPERS_PRINTER_DECL(void, print_sigevent)(struct tcb *tcp, const long addr)
41 {
42 struct_sigevent sev;
43
44 if (umove_or_printaddr(tcp, addr, &sev))
45 return;
46
47 tprints("{");
48 if (sev.sigev_value.sival_ptr)
49 tprintf("sigev_value={int=%d, ptr=%#lx}, ",
50 sev.sigev_value.sival_int,
51 (unsigned long) sev.sigev_value.sival_ptr);
52
53 tprints("sigev_signo=");
54 switch (sev.sigev_notify) {
55 case SIGEV_SIGNAL:
56 case SIGEV_THREAD:
57 case SIGEV_THREAD_ID:
58 tprints(signame(sev.sigev_signo));
59 break;
60 default:
61 tprintf("%u", sev.sigev_signo);
62 }
63
64 tprints(", sigev_notify=");
65 printxval(sigev_value, sev.sigev_notify, "SIGEV_???");
66
67 switch (sev.sigev_notify) {
68 case SIGEV_THREAD_ID:
69 #ifndef sigev_notify_thread_id
70 /*
71 * _pad[0] is the _tid field which might not be
72 * present in the userlevel definition of the struct.
73 */
74 # if defined HAVE_STRUCT_SIGEVENT__SIGEV_UN__PAD
75 # define sigev_notify_thread_id _sigev_un._pad[0]
76 # elif defined HAVE_STRUCT_SIGEVENT___PAD
77 # define sigev_notify_thread_id __pad[0]
78 # endif
79 #endif
80
81 #ifdef sigev_notify_thread_id
82 tprintf(", sigev_notify_thread_id=%d",
83 sev.sigev_notify_thread_id);
84 #else
85 # warning unfamiliar struct sigevent => incomplete SIGEV_THREAD_ID decoding
86 #endif
87 break;
88 case SIGEV_THREAD:
89 tprints(", sigev_notify_function=");
90 printaddr((unsigned long) sev.sigev_notify_function);
91 tprints(", sigev_notify_attributes=");
92 printaddr((unsigned long) sev.sigev_notify_attributes);
93 break;
94 }
95 tprints("}");
96 }
97