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lint: prefer early exits and continue

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Fix a location I missed in my earlier cleanup regarding early exits.
This commit is contained in:
Kurtis Rader 2016-11-03 19:42:25 -07:00
parent 87bfd1a01e
commit 98863541c3
1 changed files with 20 additions and 17 deletions
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37
src/proc.cpp
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@ -318,26 +318,29 @@ static void handle_child_status(pid_t pid, int status) {
}
}
if (WIFSIGNALED(status) && (WTERMSIG(status) == SIGINT || WTERMSIG(status) == SIGQUIT)) {
if (!is_interactive_session) {
struct sigaction act;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = SIG_DFL;
sigaction(SIGINT, &act, 0);
sigaction(SIGQUIT, &act, 0);
kill(getpid(), WTERMSIG(status));
} else {
// In an interactive session, tell the principal parser to skip all blocks we're
// executing so control-C returns control to the user.
if (p && found_proc) {
parser_t::skip_all_blocks();
}
}
// If the child process was not killed by a signal or other than SIGINT or SIGQUIT we're done.
if (!WIFSIGNALED(status) || (WTERMSIG(status) != SIGINT && WTERMSIG(status) != SIGQUIT)) {
return;
}
if (is_interactive_session) {
// In an interactive session, tell the principal parser to skip all blocks we're executing
// so control-C returns control to the user.
if (p && found_proc) parser_t::skip_all_blocks();
} else {
// Deliver the SIGINT or SIGQUIT signal to ourself since we're not interactive.
struct sigaction act;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = SIG_DFL;
sigaction(SIGINT, &act, 0);
sigaction(SIGQUIT, &act, 0);
kill(getpid(), WTERMSIG(status));
}
#if 0
// TODO: decide whether to eliminate this block or have it emit a warning message.
// TODO: Decide whether to eliminate this block or have it emit a warning message.
// WARNING: See the special short-circuit logic above vis-a-vis signals.
if (!found_proc) {
// A child we lost track of? There have been bugs in both subshell handling and in builtin
// handling that have caused this previously...