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gerrit-public.fairphone.software / platform / external / strace / 3691562e7dc030047048cd9ef993ab1bf4c69dce / . / rtc.c
blob: 0dd71f0dd323134018d1645136a87466daa14465 [file] [log] [blame]
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]1/*
2 * Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
3 * Copyright (c) 2004 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#include <linux/ioctl.h>
31#include <linux/rtc.h>
32
33static void
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]34print_rtc_time(struct tcb *tcp, const struct rtc_time *rt)
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]35{
36 tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
37 "tm_mday=%d, tm_mon=%d, tm_year=%d, ",
38 rt->tm_sec, rt->tm_min, rt->tm_hour,
39 rt->tm_mday, rt->tm_mon, rt->tm_year);
40 if (!abbrev(tcp))
41 tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
42 rt->tm_wday, rt->tm_yday, rt->tm_isdst);
43 else
44 tprints("...}");
45}
46
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]47static void
48decode_rtc_time(struct tcb *tcp, const long addr)
49{
50 struct rtc_time rt;
51
52 tprints(", ");
53 if (!umove_or_printaddr(tcp, addr, &rt))
54 print_rtc_time(tcp, &rt);
55}
56
57static void
58decode_rtc_wkalrm(struct tcb *tcp, const long addr)
59{
60 struct rtc_wkalrm wk;
61
62 tprints(", ");
63 if (!umove_or_printaddr(tcp, addr, &wk)) {
64 tprintf("{enabled=%d, pending=%d, ", wk.enabled, wk.pending);
65 print_rtc_time(tcp, &wk.time);
66 tprints("}");
67 }
68}
69
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]70int
71rtc_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
72{
73 switch (code) {
74 case RTC_ALM_SET:
75 case RTC_SET_TIME:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]76 decode_rtc_time(tcp, arg);
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]77 break;
78 case RTC_ALM_READ:
79 case RTC_RD_TIME:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]80 if (entering(tcp))
81 return 0;
82 decode_rtc_time(tcp, arg);
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]83 break;
84 case RTC_IRQP_SET:
85 case RTC_EPOCH_SET:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]86 tprintf(", %lu", arg);
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]87 break;
88 case RTC_IRQP_READ:
89 case RTC_EPOCH_READ:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]90 if (entering(tcp))
91 return 0;
92 tprints(", ");
93 printnum_long(tcp, arg, "%lu");
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]94 break;
95 case RTC_WKALM_SET:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]96 decode_rtc_wkalrm(tcp, arg);
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]97 break;
98 case RTC_WKALM_RD:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]99 if (entering(tcp))
100 return 0;
101 decode_rtc_wkalrm(tcp, arg);
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]102 break;
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]103#ifdef RTC_VL_READ
104 case RTC_VL_READ:
105 if (entering(tcp))
106 return 0;
107 tprints(", ");
108 printnum_int(tcp, arg, "%d");
109 break;
110#endif
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]111 default:
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]112 return RVAL_DECODED;
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]113 }
Dmitry V. Levin97317d92015-07-04 15:07:35 +0300[diff] [blame]114
115 return RVAL_DECODED | 1;
Dmitry V. Levin746db062015-07-04 08:56:21 +0000[diff] [blame]116}