diff options
| -rw-r--r-- | mcompositor/xserverpinger.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/mcompositor/xserverpinger.cpp b/mcompositor/xserverpinger.cpp index 76897b8..654cf39 100644 --- a/mcompositor/xserverpinger.cpp +++ b/mcompositor/xserverpinger.cpp @@ -68,13 +68,20 @@ void XServerPinger::tick() qWarning("X is on holidays"); } -// Start a new process and let our parent (the real mcompositor) go. -// Die with the parent. +// Start XServerPinger in a separate process if it's not running yet. static void altmain() __attribute__((constructor)); static void altmain() { + // Don't run again if the parent restarted. + if (getenv("XSERVERPINGER")) + return; + putenv("XSERVERPINGER=1"); + + // Start a new process and let our parent (the real mcompositor) go. if (fork()) return; + + // Die with the parent. prctl(PR_SET_PDEATHSIG, SIGKILL); int meh = 0; |