/**
Store the status of the process pid that was returned by waitpid.
Return 0 if all went well, nonzero otherwise.
This is called from a signal handler.
*/
static void mark_process_status(const job_t *j, process_t *p, int status)
{
// debug( 0, L"Process %ls %ls", p->argv[0], WIFSTOPPED (status)?L"stopped":(WIFEXITED( status )?L"exited":(WIFSIGNALED( status )?L"signaled to exit":L"BLARGH")) );
p->status = status;
if (WIFSTOPPED(status))
{
p->stopped = 1;
}
else if (WIFSIGNALED(status) || WIFEXITED(status))
{
p->completed = 1;
}
else
{
/* This should never be reached */
p->completed = 1;
char mess[MESS_SIZE];
snprintf(mess,
MESS_SIZE,
"Process %ld exited abnormally\n",
(long) p->pid);
/*
If write fails, do nothing. We're in a signal handlers error
handler. If things aren't working properly, it's safer to
give up.
*/
write_ignore(2, mess, strlen(mess));
}
}
void safe_perror(const char *message) {
// Note we cannot use strerror, because on Linux it uses gettext, which is not safe.
int err = errno;
char buff[384];
buff[0] = '\0';
if (message) {
safe_append(buff, message, sizeof buff);
safe_append(buff, ": ", sizeof buff);
}
safe_append(buff, safe_strerror(err), sizeof buff);
safe_append(buff, "\n", sizeof buff);
write_ignore(STDERR_FILENO, buff, strlen(buff));
errno = err;
}
