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/*
* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2015-2023 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <stdio.h>
#include <stdint.h>
#include <signal.h>
#include <time.h>
#include <sys/time.h>
#define NANOSLEEP_NAME_RE "(nanosleep|clock_nanosleep(_time64)?)"
#define NANOSLEEP_CALL_RE "(nanosleep\\(|clock_nanosleep(_time64)?\\(CLOCK_REALTIME, 0, )"
int
main(void)
{
#if defined __x86_64__ && defined __ILP32__
/*
* x32 is broken from the beginning:
* https://lkml.org/lkml/2015/11/30/790
*/
error_msg_and_skip("x32 is broken");
#else
const sigset_t set = {};
const struct sigaction act = { .sa_handler = SIG_IGN };
const struct itimerval itv = { .it_interval.tv_usec = 22222,
.it_value.tv_usec = 11111 };
const struct timespec req = { .tv_nsec = 222222222 };
struct timespec rem = { 0xdefaced, 0xdefaced };
if (sigaction(SIGALRM, &act, NULL))
perror_msg_and_fail("sigaction");
if (sigprocmask(SIG_SETMASK, &set, NULL))
perror_msg_and_fail("sigprocmask");
if (setitimer(ITIMER_REAL, &itv, NULL))
perror_msg_and_skip("setitimer");
if (nanosleep(&req, &rem))
perror_msg_and_fail("nanosleep");
printf("%s\\{tv_sec=0, tv_nsec=[0-9]+\\}"
", \\{tv_sec=[0-9]+, tv_nsec=[0-9]+\\}\\)"
" = \\? ERESTART_RESTARTBLOCK \\(Interrupted by signal\\)\n",
NANOSLEEP_CALL_RE);
puts("--- SIGALRM \\{si_signo=SIGALRM, si_code=SI_KERNEL\\} ---");
# ifdef __arm__
/* old kernels used to overwrite ARM_r0 with -EINTR */
# define ALTERNATIVE_NANOSLEEP_REQ "0xfffffffc|"
# else
# define ALTERNATIVE_NANOSLEEP_REQ ""
# endif
printf("(%s(%s\\{tv_sec=0, tv_nsec=[0-9]+\\})"
", 0x[[:xdigit:]]+|restart_syscall\\(<\\.\\.\\."
" resuming interrupted %s \\.\\.\\.>)\\) = 0\n",
NANOSLEEP_CALL_RE,
ALTERNATIVE_NANOSLEEP_REQ,
NANOSLEEP_NAME_RE);
puts("!restart_syscall\\(<\\.\\.\\."
" resuming interrupted restart_syscall \\.\\.\\.>\\) = .*");
puts("\\+\\+\\+ exited with 0 \\+\\+\\+");
return 0;
#endif
}
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