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Shell: Check the exit status of all spawned child processes.

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This commit is contained in:
Andreas Kling 2019-06-06 10:54:54 +02:00
parent e4cfa9a686
commit 036d808e96
Notes: sideshowbarker 2024-07-19 13:43:43 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/036d808e96d
1 changed files with 19 additions and 19 deletions
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38
Shell/main.cpp
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@ -424,37 +424,37 @@ static int run_command(const String& cmd)
int wstatus = 0;
int rc;
int return_value = 0;
for (auto& child : children) {
for (int i = 0; i < children.size(); ++i) {
auto& child = children[i];
do {
rc = waitpid(child, &wstatus, 0);
int rc = waitpid(child, &wstatus, 0);
if (rc < 0 && errno != EINTR) {
perror("waitpid");
if (errno != ECHILD)
perror("waitpid");
break;
}
if (WIFEXITED(wstatus)) {
if (WEXITSTATUS(wstatus) != 0)
printf("Shell: Child %d exited with status %d\n", child, WEXITSTATUS(wstatus));
if (i == 0)
return_value = WEXITSTATUS(wstatus);
} else {
if (WIFSIGNALED(wstatus)) {
printf("Shell: Child %d exited due to signal '%s'\n", child, strsignal(WTERMSIG(wstatus)));
} else {
printf("Shell: Child %d exited abnormally\n", child);
}
}
} while(errno == EINTR);
}
// FIXME: Should I really have to tcsetpgrp() after my child has exited?
// Is the terminal controlling pgrp really still the PGID of the dead process?
tcsetpgrp(0, getpid());
tcsetattr(0, TCSANOW, &trm);
if (WIFEXITED(wstatus)) {
if (WEXITSTATUS(wstatus) != 0)
printf("Exited with status %d\n", WEXITSTATUS(wstatus));
return WEXITSTATUS(wstatus);
} else {
if (WIFSIGNALED(wstatus)) {
puts(strsignal(WTERMSIG(wstatus)));
} else {
printf("Exited abnormally\n");
return 1;
}
}
return 0;
return return_value;
}
int main(int argc, char** argv)