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launch_daemon: Don't allow restarting.

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* Check if the port already exists on startup. This fixes #12901.
This commit is contained in:
Axel Dörfler 2017-04-07 18:01:14 +02:00
parent 99ccb18d97
commit bc600adbd8
1 changed files with 6 additions and 1 deletions
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7
src/servers/launch/LaunchDaemon.cpp
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@ -1,5 +1,5 @@
/*
* Copyright 2015-2016, Axel Dörfler, axeld@pinc-software.de.
* Copyright 2015-2017, Axel Dörfler, axeld@pinc-software.de.
* Distributed under the terms of the MIT License.
*/
@ -1942,6 +1942,11 @@ open_stdio(int targetFD, int openMode)
int
main()
{
if (find_port(B_LAUNCH_DAEMON_PORT_NAME) >= 0) {
fprintf(stderr, "The launch_daemon is already running!\n");
return EXIT_FAILURE;
}
// Make stdin/out/err available
open_stdio(STDIN_FILENO, O_RDONLY);
open_stdio(STDOUT_FILENO, O_WRONLY);