• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
3  * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
4  * Copyright (c) 2015-2018 The strace developers.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29 
30 #include "defs.h"
31 #include <fcntl.h>
32 
SYS_FUNC(mq_open)33 SYS_FUNC(mq_open)
34 {
35 	printpath(tcp, tcp->u_arg[0]);
36 	tprints(", ");
37 	/* flags */
38 	tprint_open_modes(tcp->u_arg[1]);
39 	if (tcp->u_arg[1] & O_CREAT) {
40 		/* mode */
41 		tprints(", ");
42 		print_numeric_umode_t(tcp->u_arg[2]);
43 		tprints(", ");
44 		printmqattr(tcp, tcp->u_arg[3], false);
45 	}
46 	return RVAL_DECODED | RVAL_FD;
47 }
48 
SYS_FUNC(mq_timedsend)49 SYS_FUNC(mq_timedsend)
50 {
51 	printfd(tcp, tcp->u_arg[0]);
52 	tprints(", ");
53 	printstrn(tcp, tcp->u_arg[1], tcp->u_arg[2]);
54 	tprintf(", %" PRI_klu ", %u, ", tcp->u_arg[2],
55 		(unsigned int) tcp->u_arg[3]);
56 	print_timespec(tcp, tcp->u_arg[4]);
57 	return RVAL_DECODED;
58 }
59 
SYS_FUNC(mq_timedreceive)60 SYS_FUNC(mq_timedreceive)
61 {
62 	if (entering(tcp)) {
63 		printfd(tcp, tcp->u_arg[0]);
64 		tprints(", ");
65 	} else {
66 		if (syserror(tcp))
67 			printaddr(tcp->u_arg[1]);
68 		else
69 			printstrn(tcp, tcp->u_arg[1], tcp->u_rval);
70 		tprintf(", %" PRI_klu ", ", tcp->u_arg[2]);
71 		printnum_int(tcp, tcp->u_arg[3], "%u");
72 		tprints(", ");
73 		/*
74 		 * Since the timeout parameter is read by the kernel
75 		 * on entering syscall, it has to be decoded the same way
76 		 * whether the syscall has failed or not.
77 		 */
78 		temporarily_clear_syserror(tcp);
79 		print_timespec(tcp, tcp->u_arg[4]);
80 		restore_cleared_syserror(tcp);
81 	}
82 	return 0;
83 }
84 
SYS_FUNC(mq_notify)85 SYS_FUNC(mq_notify)
86 {
87 	printfd(tcp, tcp->u_arg[0]);
88 	tprints(", ");
89 	print_sigevent(tcp, tcp->u_arg[1]);
90 	return RVAL_DECODED;
91 }
92 
SYS_FUNC(mq_getsetattr)93 SYS_FUNC(mq_getsetattr)
94 {
95 	if (entering(tcp)) {
96 		printfd(tcp, tcp->u_arg[0]);
97 		tprints(", ");
98 		printmqattr(tcp, tcp->u_arg[1], true);
99 		tprints(", ");
100 	} else {
101 		printmqattr(tcp, tcp->u_arg[2], true);
102 	}
103 	return 0;
104 }
105