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/* Copyright (C) 2018 Curtis McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#import <Cocoa/Cocoa.h>
#import <err.h>
#import <signal.h>
#import <stdlib.h>
#import <sysexits.h>
#import <unistd.h>
void sigchld(int sig) {
(void)sig;
int status;
pid_t pid = wait(&status);
if (pid < 0) err(EX_OSERR, "wait");
if (WIFSIGNALED(status)) {
_exit(128 + WTERMSIG(status));
} else {
_exit(WEXITSTATUS(status));
}
}
int main(int argc, char *argv[]) {
if (argc < 2) return EX_USAGE;
signal(SIGCHLD, sigchld);
pid_t pid = fork();
if (pid < 0) err(EX_OSERR, "fork");
if (!pid) {
execvp(argv[1], &argv[1]);
err(EX_NOINPUT, "%s", argv[1]);
}
NSWorkspace *workspace = [NSWorkspace sharedWorkspace];
NSNotificationCenter *center = [workspace notificationCenter];
NSOperationQueue *main = [NSOperationQueue mainQueue];
[center addObserverForName:NSWorkspaceWillSleepNotification
object:nil
queue:main
usingBlock:^(NSNotification *note) {
(void)note;
int error = kill(pid, SIGTSTP);
if (error) err(EX_UNAVAILABLE, "kill %d", pid);
}];
[center addObserverForName:NSWorkspaceDidWakeNotification
object:nil
queue:main
usingBlock:^(NSNotification *note) {
(void)note;
int error = kill(pid, SIGCONT);
if (error) err(EX_UNAVAILABLE, "kill %d", pid);
}];
[[NSApplication sharedApplication] run];
}
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