X-Git-Url: http://git.dolda2000.com/gitweb/?a=blobdiff_plain;f=config%2Fcmd%2Flocktouch.c;fp=config%2Fcmd%2Flocktouch.c;h=da7b86275ec2431506879111a4fa7f2f1d067e66;hb=7df0ddad481bb2e644bba361d0d3defdbd68494e;hp=0000000000000000000000000000000000000000;hpb=d6af9cf30349e4c09b4e9e60342bf1ddd142abd1;p=doldaconnect.git

diff --git a/config/cmd/locktouch.c b/config/cmd/locktouch.c
new file mode 100644
index 0000000..da7b862
--- /dev/null
+++ b/config/cmd/locktouch.c
@@ -0,0 +1,27 @@
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <errno.h>
+
+int main(int argc, char **argv)
+{
+    int fd;
+    
+    if(argc < 2)
+    {
+	fprintf(stderr, "usage: locktouch lockfile\n");
+	exit(1);
+    }
+    if((fd = open(argv[1], O_CREAT | O_EXCL, 0666)) < 0)
+    {
+	if(errno != EEXIST)
+	{
+	    perror(argv[1]);
+	    exit(2);
+	}
+	exit(1);
+    }
+    close(fd);
+    return(0);
+}