[v3] syscalls/nanosleep03: remove duplicated nanosleep03

1) remove duplicated nanosleep03, because nanosleep02 also
test EINTR when it is interrupted by a signal handler
2)nanosleep01:Replace GPL verbose text by SPDX license identifier

Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
------
v2->v3:
fix some typos
------
---
 runtest/syscalls                              |   1 -
 .../kernel/syscalls/nanosleep/.gitignore      |   1 -
 .../kernel/syscalls/nanosleep/nanosleep01.c   |  16 +-
 .../kernel/syscalls/nanosleep/nanosleep02.c   |  20 ++-
 .../kernel/syscalls/nanosleep/nanosleep03.c   | 148 ------------------
 5 files changed, 17 insertions(+), 169 deletions(-)
 delete mode 100644 testcases/kernel/syscalls/nanosleep/nanosleep03.c

Hi Cyril
This is a simple merge. I guess you forgot it.:-)

> 1) remove duplicated nanosleep03, because nanosleep02 also
> test EINTR when it is interrupted by a signal handler
> 2)nanosleep01:Replace GPL verbose text by SPDX license identifier
>
> Signed-off-by: Yang Xu <xuyang2018.jy@cn.fujitsu.com>
> ------
> v2->v3:
> fix some typos
> ------
> ---
>  runtest/syscalls                              |   1 -
>  .../kernel/syscalls/nanosleep/.gitignore      |   1 -
>  .../kernel/syscalls/nanosleep/nanosleep01.c   |  16 +-
>  .../kernel/syscalls/nanosleep/nanosleep02.c   |  20 ++-
>  .../kernel/syscalls/nanosleep/nanosleep03.c   | 148 ------------------
>  5 files changed, 17 insertions(+), 169 deletions(-)
>  delete mode 100644 testcases/kernel/syscalls/nanosleep/nanosleep03.c
>
> diff --git a/runtest/syscalls b/runtest/syscalls
> index da5924716..1c858d53e 100644
> --- a/runtest/syscalls
> +++ b/runtest/syscalls
> @@ -785,7 +785,6 @@ munmap03 munmap03
>  
>  nanosleep01 nanosleep01
>  nanosleep02 nanosleep02
> -nanosleep03 nanosleep03
>  nanosleep04 nanosleep04
>  
>  nftw01 nftw01
> diff --git a/testcases/kernel/syscalls/nanosleep/.gitignore b/testcases/kernel/syscalls/nanosleep/.gitignore
> index 11ed6bbcb..9bf03ea97 100644
> --- a/testcases/kernel/syscalls/nanosleep/.gitignore
> +++ b/testcases/kernel/syscalls/nanosleep/.gitignore
> @@ -1,4 +1,3 @@
>  /nanosleep01
>  /nanosleep02
> -/nanosleep03
>  /nanosleep04
> diff --git a/testcases/kernel/syscalls/nanosleep/nanosleep01.c b/testcases/kernel/syscalls/nanosleep/nanosleep01.c
> index 96e1cf1b4..567be8c10 100644
> --- a/testcases/kernel/syscalls/nanosleep/nanosleep01.c
> +++ b/testcases/kernel/syscalls/nanosleep/nanosleep01.c
> @@ -1,21 +1,8 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
>  /*
>   * Copyright (c) International Business Machines  Corp., 2001
>   *  07/2001 Ported by Wayne Boyer
>   * Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz>
> - *
> - * This program is free software;  you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY;  without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
> - * the GNU General Public License for more details.
> - *
> - * You should have received a copy of the GNU General Public License
> - * along with this program;  if not, write to the Free Software Foundation,
> - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
>   */
>  
>  /*
> @@ -25,7 +12,6 @@
>   */
>  
>  #include <errno.h>
> -
>  #include "tst_timer_test.h"
>  
>  int sample_fn(int clk_id, long long usec)
> diff --git a/testcases/kernel/syscalls/nanosleep/nanosleep02.c b/testcases/kernel/syscalls/nanosleep/nanosleep02.c
> index 8bd2c44c4..7176f9373 100644
> --- a/testcases/kernel/syscalls/nanosleep/nanosleep02.c
> +++ b/testcases/kernel/syscalls/nanosleep/nanosleep02.c
> @@ -10,6 +10,9 @@
>   *  Verify that nanosleep() will be successful to suspend the execution
>   *  of a process, returns after the receipt of a signal and writes the
>   *  remaining sleep time into the structure.
> + *
> + *  This test also verifies that if the call is interrupted by a signal
> + *  handler, nanosleep() returns -1, sets errno to EINTR.
>   */
>  
>  #include <errno.h>
> @@ -39,10 +42,19 @@ static void do_child(void)
>  	TEST(nanosleep(&timereq, &timerem));
>  	tst_timer_stop();
>  
> -	if (!TST_RET)
> -		tst_brk(TBROK, "nanosleep was not interrupted");
> -	if (TST_ERR != EINTR)
> -		tst_brk(TBROK | TTERRNO, "nanosleep() failed");
> +	if (TST_RET != -1) {
> +		tst_res(TFAIL,
> +			"nanosleep was not interrupted, returned %ld ,expected -1",
> +			TST_RET);
> +		return;
> +	}
> +	if (TST_ERR != EINTR) {
> +		tst_res(TFAIL | TTERRNO,
> +			"nanosleep() failed, expected EINTR, got");
> +		return;
> +	}
> +
> +	tst_res(TPASS, "nanosleep() returned -1, set errno to EINTR");
>  
>  	if (tst_timespec_lt(timereq, tst_timer_elapsed()))
>  		tst_brk(TFAIL, "nanosleep() slept more than timereq");
> diff --git a/testcases/kernel/syscalls/nanosleep/nanosleep03.c b/testcases/kernel/syscalls/nanosleep/nanosleep03.c
> deleted file mode 100644
> index 456e140e9..000000000
> --- a/testcases/kernel/syscalls/nanosleep/nanosleep03.c
> +++ /dev/null
> @@ -1,148 +0,0 @@
> -/*
> - * Copyright (c) International Business Machines  Corp., 2001
> - *  07/2001 Ported by Wayne Boyer
> - *
> - * This program is free software;  you can redistribute it and/or modify
> - * it under the terms of the GNU General Public License as published by
> - * the Free Software Foundation; either version 2 of the License, or
> - * (at your option) any later version.
> - *
> - * This program is distributed in the hope that it will be useful,
> - * but WITHOUT ANY WARRANTY;  without even the implied warranty of
> - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
> - * the GNU General Public License for more details.
> - *
> - * You should have received a copy of the GNU General Public License
> - * along with this program;  if not, write to the Free Software Foundation,
> - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
> - */
> -
> -/*
> - * Test Description:
> - *  Verify that nanosleep() will fail to suspend the execution
> - *  of a process for a specified time if interrupted by a non-blocked signal.
> - *
> - * Expected Result:
> - *  nanosleep() should return with -1 value and sets errno to EINTR.
> - */
> -
> -#include <errno.h>
> -#include <unistd.h>
> -#include <fcntl.h>
> -#include <time.h>
> -#include <sys/wait.h>
> -
> -#include "test.h"
> -#include "safe_macros.h"
> -
> -char *TCID = "nanosleep03";
> -int TST_TOTAL = 1;
> -
> -static void do_child(void);
> -static void setup(void);
> -static void sig_handler();
> -
> -int main(int ac, char **av)
> -{
> -	int lc;
> -	pid_t cpid;
> -	int status;
> -
> -	tst_parse_opts(ac, av, NULL, NULL);
> -
> -#ifdef UCLINUX
> -	maybe_run_child(&do_child, "dddd", &timereq.tv_sec, &timereq.tv_nsec,
> -			&timerem.tv_sec, &timerem.tv_nsec);
> -#endif
> -
> -	setup();
> -
> -	for (lc = 0; TEST_LOOPING(lc); lc++) {
> -		tst_count = 0;
> -
> -		/*
> -		 * Creat a child process and suspend its
> -		 * execution using nanosleep()
> -		 */
> -		if ((cpid = FORK_OR_VFORK()) == -1)
> -			tst_brkm(TBROK, NULL, "fork() failed");
> -
> -		if (cpid == 0) {
> -#ifdef UCLINUX
> -			if (self_exec(av[0], "dddd",
> -				      timereq.tv_sec, timereq.tv_nsec,
> -				      timerem.tv_sec, timerem.tv_nsec) < 0) {
> -				tst_brkm(TBROK, NULL, "self_exec failed");
> -			}
> -#else
> -			do_child();
> -#endif
> -		}
> -
> -		sleep(1);
> -
> -		/* Now send signal to child */
> -		SAFE_KILL(NULL, cpid, SIGINT);
> -
> -		/* Wait for child to execute */
> -		wait(&status);
> -		if (WIFEXITED(status) && WEXITSTATUS(status) == 0) {
> -			tst_resm(TPASS, "nanosleep() failed, interrupted"
> -				 " by signal (%d) as expected", EINTR);
> -		} else {
> -			tst_resm(TFAIL, "child process exited abnormally; "
> -				 "status = %d", status);
> -		}
> -	}
> -
> -	tst_exit();
> -}
> -
> -static void do_child(void)
> -{
> -	struct timespec timereq = {.tv_sec = 5, .tv_nsec = 9999};
> -	struct timespec timerem;
> -
> -	/*
> -	 * Call nanosleep() to suspend child process
> -	 * for specified time 'tv_sec'.
> -	 * Call should return before suspending execution
> -	 * for the specified time due to receipt of signal
> -	 * from Parent.
> -	 */
> -	TEST(nanosleep(&timereq, &timerem));
> -
> -	if (TEST_RETURN == -1) {
> -
> -		/* Check for expected errno is set */
> -		if (TEST_ERRNO != EINTR) {
> -			tst_resm(TFAIL | TTERRNO,
> -				 "nanosleep() failed; expected errno: %d",
> -				 EINTR);
> -			exit(1);
> -		}
> -	} else {
> -		tst_resm(TFAIL, "nanosleep() returns %ld, "
> -			 "expected -1, errno:%d", TEST_RETURN, EINTR);
> -		exit(1);
> -	}
> -
> -	exit(0);
> -}
> -
> -static void setup(void)
> -{
> -	tst_sig(FORK, DEF_HANDLER, NULL);
> -
> -	TEST_PAUSE;
> -
> -	if (signal(SIGINT, sig_handler) == SIG_ERR) {
> -		tst_brkm(TBROK, NULL,
> -			 "signal() fails to setup signal handler");
> -	}
> -
> -}
> -
> -static void sig_handler(void)
> -{
> -}

Hi Yang,

> Hi Cyril
> This is a simple merge. I guess you forgot it.:-)

I split it into 2 commits and merged.
Thanks for your patch.

Kind regards,
Petr