[LTP] [PATCH 1/3] getpgid01.c: Rewrite using new LTP API
Cyril Hrubis
chrubis@suse.cz
Wed Apr 5 12:55:29 CEST 2023
Hi!
> + pid_1 = SAFE_FORK();
> + if (!pid_1) {
> + child_pid = getpid();
> + ppid = getppid();
>
> - if ((pgid_0 = FORK_OR_VFORK()) == -1)
> - tst_brkm(TBROK, cleanup, "fork failed");
> - if (pgid_0 > 0) {
> - while ((pgid_0 = wait(&ex_stat)) != -1) ;
> + tst_res(TINFO, "getpid() in child = %d", child_pid);
> + tst_res(TINFO, "getppid() in child = %d", ppid);
> + tst_res(TINFO, "Running getpgid() in child");
>
> - if (WEXITSTATUS(ex_stat) == 0)
> - tst_resm(TPASS, "%s PASSED", TCID);
> - else
> - tst_resm(TFAIL, "%s FAILED", TCID);
> + TST_EXP_POSITIVE(getpgid(0));
> + TST_EXP_EQ_LI(TST_RET, ppid);
I do not think that this is correct, the previous code compared the
return value from getpgid(0) against the rest, not parent pid.
I guess that the best solution here would be to call getgid() in the
parent and save that to a variable and use that for the comparsion in
the child.
--
Cyril Hrubis
chrubis@suse.cz
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