Minor rearrangement so variables/functions used only if !HAVE_LIBLOCKFILE

[mmh] / sbr / lock_file.c

diff --git a/sbr/lock_file.c b/sbr/lock_file.c
index 66eab72..65b8907 100644 (file)
--- a/sbr/lock_file.c
+++ b/sbr/lock_file.c
@@ -105,13 +105,15 @@ static int lkopen_kernel (char *, int, mode_t);
 
 #ifdef DOT_LOCKING
 static int lkopen_dot (char *, int, mode_t);
-static int lockit (struct lockinfo *);
 static void lockname (char *, struct lockinfo *, int);
 static void timerON (char *, int);
 static void timerOFF (int);
 static RETSIGTYPE alrmser (int);
 #endif
 
+#if !defined(HAVE_LIBLOCKFILE)
+static int lockit (struct lockinfo *);
+#endif
 
 /*
  * Base routine to open and lock a file,
@@ -356,10 +358,8 @@ lkopen_kernel (char *file, int access, mode_t mode)
 static int
 lkopen_dot (char *file, int access, mode_t mode)
 {
-    int i, fd;
-    time_t curtime;
+    int fd;
     struct lockinfo lkinfo;
-    struct stat st;
 
     /* open the file */
     if ((fd = open (file, access, mode)) == -1)
@@ -372,32 +372,37 @@ lkopen_dot (char *file, int access, mode_t mode)
     lockname (file, &lkinfo, 1);
 
 #if !defined(HAVE_LIBLOCKFILE)
-    for (i = 0;;) {
-       /* attempt to create lock file */
-       if (lockit (&lkinfo) == 0) {
-           /* if successful, turn on timer and return */
-           timerON (lkinfo.curlock, fd);
-           return fd;
-       } else {
-           /*
-            * Abort locking, if we fail to lock after 5 attempts
-            * and are never able to stat the lock file.
-            */
-           if (stat (lkinfo.curlock, &st) == -1) {
-               if (i++ > 5)
-                   return -1;
-               sleep (5);
+    {
+       int i;
+       for (i = 0;;) {
+           /* attempt to create lock file */
+           if (lockit (&lkinfo) == 0) {
+               /* if successful, turn on timer and return */
+               timerON (lkinfo.curlock, fd);
+               return fd;
            } else {
-               i = 0;
-               time (&curtime);
-
-               /* check for stale lockfile, else sleep */
-               if (curtime > st.st_ctime + RSECS)
-                   unlink (lkinfo.curlock);
-               else
+               /*
+                * Abort locking, if we fail to lock after 5 attempts
+                * and are never able to stat the lock file.
+                */
+               struct stat st;
+               if (stat (lkinfo.curlock, &st) == -1) {
+                   if (i++ > 5)
+                       return -1;
                    sleep (5);
+               } else {
+                   time_t curtime;
+                   i = 0;
+                   time (&curtime);
+                   
+                   /* check for stale lockfile, else sleep */
+                   if (curtime > st.st_ctime + RSECS)
+                       unlink (lkinfo.curlock);
+                   else
+                       sleep (5);
+               }
+               lockname (file, &lkinfo, 1);
            }
-           lockname (file, &lkinfo, 1);
        }
     }
 #else
@@ -598,7 +603,6 @@ timerOFF (int fd)
 static RETSIGTYPE
 alrmser (int sig)
 {
-    int j;
     char *lockfile;
     struct lock *lp;
 
@@ -610,8 +614,11 @@ alrmser (int sig)
     for (lp = l_top; lp; lp = lp->l_next) {
        lockfile = lp->l_lock;
 #if !defined(HAVE_LIBLOCKFILE)
-       if (*lockfile && (j = creat (lockfile, 0600)) != -1)
-           close (j);
+       {
+           int j;
+           if (*lockfile && (j = creat (lockfile, 0600)) != -1)
+               close (j);
+       }
 #else
     lockfile_touch(lockfile);
 #endif