1 /*
2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this list of
9 * conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
12 * of conditions and the following disclaimer in the documentation and/or other materials
13 * provided with the distribution.
14 *
15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
16 * to endorse or promote products derived from this software without specific prior written
17 * permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31 #include <unistd.h>
32 #include <signal.h>
33 #include <time.h>
34 #include <sys/time.h>
35 #include <osTest.h>
36 #include "lt_timer_test.h"
37
38 /* signo should be in the range SIGRTMIN to SIGRTMAX when SA_SIGINFO flag is set. */
39 #define SIG SIGRTMIN
40 #define CLOCKID CLOCK_REALTIME
41
42 static int g_handlerFlag;
43 static int g_tmrOverrun;
44
SigHandler(int sig,siginfo_t * si,void * uc)45 static void SigHandler(int sig, siginfo_t *si, void *uc)
46 {
47 if (si == nullptr) {
48 LogPrintln("[ERROR]sig %d, si %p, uc %p\n", sig, si, uc);
49 return;
50 }
51
52 #ifdef TEST_ON_LINUX
53 timer_t timerid = *(timer_t *)si->si_value.sival_ptr;
54 #else // SA_SIGINFO not compatible with POSIX on HMOS
55 timer_t timerid = *reinterpret_cast<timer_t *>(si);
56 #endif
57
58 g_tmrOverrun += timer_getoverrun(timerid);
59 LogPrintln("signo %d handlerFlag %d timer %p overrun %d\n", sig, ++g_handlerFlag, timerid, g_tmrOverrun);
60 }
61
SigInfoTimerTest(void)62 static int SigInfoTimerTest(void)
63 {
64 int interval = 3; // 3 seconds
65 timer_t timerid;
66 struct sigevent sev;
67 struct itimerspec its;
68 sigset_t mask;
69 struct sigaction sa;
70 int ret;
71
72 /* Install handler for timer signal. */
73 sa.sa_flags = SA_SIGINFO;
74 sa.sa_sigaction = SigHandler;
75 sigemptyset(&sa.sa_mask);
76 ret = sigaction(SIG, &sa, nullptr);
77 LogPrintln("sigaction %d: %d", SIG, ret);
78 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
79
80 /* Block timer signal */
81 sigemptyset(&mask);
82 sigaddset(&mask, SIG);
83 ret = sigprocmask(SIG_BLOCK, &mask, nullptr);
84 LogPrintln("sigprocmask setmask %d: %d", SIG, ret);
85 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
86
87 /* Create the timer */
88 sev.sigev_notify = SIGEV_SIGNAL;
89 sev.sigev_signo = SIG;
90 sev.sigev_value.sival_ptr = &timerid;
91 ret = timer_create(CLOCKID, &sev, &timerid);
92 LogPrintln("timer_create %p: %d", timerid, ret);
93 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
94
95 /* Start the timer */
96 its.it_value.tv_sec = 0;
97 its.it_value.tv_nsec = 990000000; // 990000000, 0.99s
98 its.it_interval.tv_sec = its.it_value.tv_sec;
99 its.it_interval.tv_nsec = its.it_value.tv_nsec;
100
101 ret = timer_settime(timerid, 0, &its, nullptr);
102 LogPrintln("timer_settime %p: %d", timerid, ret);
103 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
104
105 /* Sleep for a while */
106 LogPrintln("sleep %ds", interval);
107 sleep(interval); // should not be interrupted
108
109 /* Get the timer's time */
110 ret = timer_gettime(timerid, &its);
111 LogPrintln("timer_gettime %p: %d", timerid, ret);
112 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
113
114 /* Get the timer's overruns */
115 ret = timer_getoverrun(timerid);
116 LogPrintln("timer_getoverrun %p: %d", timerid, ret);
117 ICUNIT_ASSERT_NOT_EQUAL(ret, -1, ret);
118
119 /* Unlock the timer signal */
120 ret = sigprocmask(SIG_UNBLOCK, &mask, nullptr);
121 LogPrintln("sigprocmask unblock %d: %d", SIG, ret);
122 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
123
124 LogPrintln("sleep another %ds", interval);
125 sleep(interval); // should be interrupted
126 LogPrintln("sleep time over, g_handlerFlag = %d", g_handlerFlag);
127
128 ret = timer_delete(timerid);
129 LogPrintln("timer_delete %p %d", timerid, ret);
130 ICUNIT_ASSERT_EQUAL(ret, 0, ret);
131
132 ICUNIT_ASSERT_NOT_EQUAL(g_handlerFlag, 0, g_handlerFlag);
133 ICUNIT_ASSERT_NOT_EQUAL(g_tmrOverrun, 0, g_tmrOverrun);
134
135 return 0;
136 }
137
TimerTest004(void)138 void TimerTest004(void)
139 {
140 TEST_ADD_CASE(__FUNCTION__, SigInfoTimerTest, TEST_POSIX, TEST_SWTMR, TEST_LEVEL0, TEST_FUNCTION);
141 }
142