crtxcr/adhocify
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Reap N-number of children per SIGCHLD

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This commit is contained in:
Lester Hightower 2024-07-02 09:33:43 -04:00
bovenliggende 250e2ae24f
commit 5236c8d947
1 gewijzigde bestanden met toevoegingen van 34 en 28 verwijderingen
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62
adhocify.c
Bestand weergeven

@ -706,41 +706,47 @@ void child_handler(int signum, siginfo_t *info, void *context)
return;
}
int status;
pid_t p = waitpid(-1, &status, WNOHANG);
if(p == -1)
{
logerror("waitpid failed when handling child exit\n");
exit(EXIT_FAILURE);
}
int adhocify_exit_code = 0;
if(WIFEXITED(status))
{
adhocify_exit_code = WEXITSTATUS(status);
if(adhocify_exit_code == 127)
while (1) {
int status;
pid_t p = waitpid(-1, &status, WNOHANG);
if(p == 0) // No more children to reap
{
logwrite("command not found, exiting\n");
exit(adhocify_exit_code);
return; // exits infinite while loop and child_handler() function
}
if(exit_with_child && awaited_child_exit_code > -1)
if(p == -1) // waitpid error
{
bool must_exit = adhocify_exit_code == awaited_child_exit_code;
if(negate_child_exit_code)
logerror("waitpid failed when handling child exit\n");
exit(EXIT_FAILURE);
}
int adhocify_exit_code = 0;
if(WIFEXITED(status))
{
adhocify_exit_code = WEXITSTATUS(status);
if(adhocify_exit_code == 127)
{
must_exit = !must_exit;
}
if(must_exit)
{
logwrite("command exited with specified exit code, exiting too\n");
logwrite("command not found, exiting\n");
exit(adhocify_exit_code);
}
if(exit_with_child && awaited_child_exit_code > -1)
{
bool must_exit = adhocify_exit_code == awaited_child_exit_code;
if(negate_child_exit_code)
{
must_exit = !must_exit;
}
if(must_exit)
{
logwrite("command exited with specified exit code, exiting too\n");
exit(adhocify_exit_code);
}
}
}
if(exit_with_child && WIFSIGNALED(status))
{
adhocify_exit_code = 128 + WTERMSIG(status); // copy bash's behaviour
exit(adhocify_exit_code);
}
}
if(exit_with_child && WIFSIGNALED(status))
{
adhocify_exit_code = 128 + WTERMSIG(status); // copy bash's behaviour
exit(adhocify_exit_code);
}
}