2 * Check decoding of nanosleep syscall.
4 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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50 .ts.tv_nsec = 0xc0de1,
51 .pad = { 0xdeadbeef, 0xbadc0ded }
53 .ts = { .tv_sec = 0xc0de2, .tv_nsec = 0xc0de3 },
54 .pad = { 0xdeadbeef, 0xbadc0ded }
56 const sigset_t set = {};
57 const struct sigaction act = { .sa_handler = handler };
58 const struct itimerval itv = { .it_value.tv_usec = 111111 };
60 if (nanosleep(&req.ts, NULL))
61 perror_msg_and_fail("nanosleep");
62 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, NULL) = 0\n",
63 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec);
65 assert(nanosleep(NULL, &rem.ts) == -1);
66 printf("nanosleep(NULL, %p) = -1 EFAULT (%m)\n", &rem.ts);
68 if (nanosleep(&req.ts, &rem.ts))
69 perror_msg_and_fail("nanosleep");
70 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, %p) = 0\n",
71 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
73 req.ts.tv_nsec = 1000000000;
74 assert(nanosleep(&req.ts, &rem.ts) == -1);
75 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, %p) = -1 EINVAL (%m)\n",
76 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec, &rem.ts);
78 assert(sigaction(SIGALRM, &act, NULL) == 0);
79 assert(sigprocmask(SIG_SETMASK, &set, NULL) == 0);
81 if (setitimer(ITIMER_REAL, &itv, NULL))
82 perror_msg_and_skip("setitimer");
84 req.ts.tv_nsec = 999999999;
85 assert(nanosleep(&req.ts, &rem.ts) == -1);
86 printf("nanosleep({tv_sec=%jd, tv_nsec=%jd}, {tv_sec=%jd, tv_nsec=%jd})"
87 " = ? ERESTART_RESTARTBLOCK (Interrupted by signal)\n",
88 (intmax_t) req.ts.tv_sec, (intmax_t) req.ts.tv_nsec,
89 (intmax_t) rem.ts.tv_sec, (intmax_t) rem.ts.tv_nsec);
90 puts("--- SIGALRM {si_signo=SIGALRM, si_code=SI_KERNEL} ---");
92 puts("+++ exited with 0 +++");