+ if (linkpidfile[0])
+ create_linkpidfile();
+}
+
+static void
+create_linkpidfile()
+{
+ FILE *pidfile;
+
+ if (linkname[0] == 0)
+ return;
+ slprintf(linkpidfile, sizeof(linkpidfile), "%sppp-%s.pid",
+ _PATH_VARRUN, linkname);
+ if ((pidfile = fopen(linkpidfile, "w")) != NULL) {
+ fprintf(pidfile, "%d\n", getpid());
+ if (pidfilename[0])
+ fprintf(pidfile, "%s\n", ifname);
+ (void) fclose(pidfile);
+ } else {
+ error("Failed to create pid file %s: %m", linkpidfile);
+ linkpidfile[0] = 0;
+ }
+ script_setenv("LINKNAME", linkname);