Hi Jan,
Thanks for your reviewing.
I have added the possible error message output in this patch v3.
Would you like to commit it, thanks.
Regards,
Xiaoguang Wang
On 05/19/2014 09:45 AM, Xiaoguang Wang wrote:
> Signed-off-by: Xiaoguang Wang <wangxg.f...@cn.fujitsu.com>
> ---
> testcases/kernel/syscalls/setpgid/setpgid01.c | 54
> ++++++++++++++++++++++++++-
> 1 file changed, 52 insertions(+), 2 deletions(-)
>
> diff --git a/testcases/kernel/syscalls/setpgid/setpgid01.c
> b/testcases/kernel/syscalls/setpgid/setpgid01.c
> index 700e573..00e895b 100644
> --- a/testcases/kernel/syscalls/setpgid/setpgid01.c
> +++ b/testcases/kernel/syscalls/setpgid/setpgid01.c
> @@ -36,12 +36,14 @@
> * Description:
> * Verify that:
> * 1. Basic functionality test for setpgid(2).
> + * 2. Check functioning of setpgid(2) with pid = 0 and pgid = 0.
> */
>
> #include <errno.h>
> #include <string.h>
> #include <signal.h>
> #include <stdlib.h>
> +#include <sys/wait.h>
> #include "test.h"
> #include "usctest.h"
>
> @@ -51,7 +53,8 @@ static void cleanup(void);
> char *TCID = "setpgid01";
>
> static void setpgid_test1(void);
> -static void (*testfunc[])(void) = { setpgid_test1};
> +static void setpgid_test2(void);
> +static void (*testfunc[])(void) = { setpgid_test1, setpgid_test2};
> int TST_TOTAL = ARRAY_SIZE(testfunc);
>
> int main(int ac, char **av)
> @@ -91,9 +94,56 @@ static void setpgid_test1(void)
> }
> }
>
> +static int wait4child(pid_t child)
> +{
> + int status;
> +
> + if (waitpid(child, &status, 0) == -1)
> + tst_resm(TBROK|TERRNO, "waitpid");
> + if (WIFEXITED(status))
> + return WEXITSTATUS(status);
> + else
> + return status;
> +}
> +
> +static void setpgid_test2(void)
> +{
> + int ret;
> + pid_t pgid, pid;
> +
> + pid = FORK_OR_VFORK();
> + if (pid == -1)
> + tst_brkm(TBROK | TERRNO, cleanup, "fork()");
> +
> + if (pid != 0) {
> + ret = wait4child(pid);
> + } else {
> + pid = getpid();
> + TEST(setpgid(0, 0));
> + pgid = getpgrp();
> + if (TEST_RETURN == -1) {
> + fprintf(stderr, "setpgid(0, 0) fails in "
> + "child process: %s\n", strerror(TEST_ERRNO));
> + exit(1);
> + } else if (pgid != pid) {
> + fprintf(stderr, "setpgid(0, 0) fails to make PGID"
> + "equal to PID\n");
> + exit(1);
> + } else {
> + exit(0);
> + }
> + }
> +
> + if (ret == 0)
> + tst_resm(TPASS, "test setpgid(0, 0) success");
> + else
> + tst_resm(TFAIL, "test setpgid(0, 0) fail");
> +}
> +
> +
> static void setup(void)
> {
> - tst_sig(NOFORK, DEF_HANDLER, cleanup);
> + tst_sig(FORK, DEF_HANDLER, cleanup);
>
> TEST_PAUSE;
> }
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