Patch from tilman2: Open PID file with O_EXCL

diff --git a/src/main.c b/src/main.c
index 70358e61ad88ebb71215f4f3041760e546044515..1b92f50797e931a0807de2ed5f91548844ec9304 100644 (file)
--- a/src/main.c
+++ b/src/main.c
@@ -60,7 +60,7 @@ void lockfile(const char *pidfile)
        int lfp;
        char str[16];
        
-       lfp = open(pidfile, O_RDWR|O_CREAT, 0640);
+       lfp = open(pidfile, O_RDWR|O_CREAT|O_EXCL, 0640);
        
        if (lfp < 0)
                Log_fatal("Cannot open PID-file %s for writing", pidfile);