+- (void) _updateIgnored {
+ const char *package([name_ UTF8String]);
+ bool on([ignoredSwitch_ isOn]);
+
+ pid_t pid(ExecFork());
+ if (pid == 0) {
+ FILE *dpkg(popen("dpkg --set-selections", "w"));
+ fwrite(package, strlen(package), 1, dpkg);
+
+ if (on)
+ fwrite(" hold\n", 6, 1, dpkg);
+ else
+ fwrite(" install\n", 9, 1, dpkg);
+
+ pclose(dpkg);
+
+ exit(0);
+ _assert(false);
+ }
+
+ _forever {
+ int status;
+ int result(waitpid(pid, &status, 0));
+
+ if (result != -1) {
+ _assert(result == pid);
+ break;
+ }
+ }
+}
+