From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Thu, 16 Oct 2008 21:05:51 +0000 (+0000)
Subject: move rrd_lock into rrd_open where the general rrd_file ops are located. -- Daniel... 
X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=401ee75cb9db4973161d9bf6e83e586087bd7769;p=rrdtool.git

move rrd_lock into rrd_open where the general rrd_file ops are located. -- Daniel Pocock


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1612 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_open.c b/src/rrd_open.c
index f262413..e407acc 100644
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -351,6 +351,41 @@ void mincore_print(
 }
 #endif                          /* defined DEBUG && DEBUG > 1 */
 
+/*
+ * get exclusive lock to whole file.
+ * lock gets removed when we close the file
+ *
+ * returns 0 on success
+ */
+int rrd_lock(
+    rrd_file_t *file)
+{
+    int       rcstat;
+
+    {
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+        struct _stat st;
+
+        if (_fstat(file->fd, &st) == 0) {
+            rcstat = _locking(file->fd, _LK_NBLCK, st.st_size);
+        } else {
+            rcstat = -1;
+        }
+#else
+        struct flock lock;
+
+        lock.l_type = F_WRLCK;  /* exclusive write lock */
+        lock.l_len = 0; /* whole file */
+        lock.l_start = 0;   /* start of file */
+        lock.l_whence = SEEK_SET;   /* end of file */
+
+        rcstat = fcntl(file->fd, F_SETLK, &lock);
+#endif
+    }
+
+    return (rcstat);
+}
+
 
 /* drop cache except for the header and the active pages */
 void rrd_dontneed(
diff --git a/src/rrd_update.c b/src/rrd_update.c
index 5e26055..108dcbb 100644
--- a/src/rrd_update.c
+++ b/src/rrd_update.c
@@ -617,41 +617,6 @@ int _rrd_update(
 }
 
 /*
- * get exclusive lock to whole file.
- * lock gets removed when we close the file
- *
- * returns 0 on success
- */
-int rrd_lock(
-    rrd_file_t *file)
-{
-    int       rcstat;
-
-    {
-#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
-        struct _stat st;
-
-        if (_fstat(file->fd, &st) == 0) {
-            rcstat = _locking(file->fd, _LK_NBLCK, st.st_size);
-        } else {
-            rcstat = -1;
-        }
-#else
-        struct flock lock;
-
-        lock.l_type = F_WRLCK;  /* exclusive write lock */
-        lock.l_len = 0; /* whole file */
-        lock.l_start = 0;   /* start of file */
-        lock.l_whence = SEEK_SET;   /* end of file */
-
-        rcstat = fcntl(file->fd, F_SETLK, &lock);
-#endif
-    }
-
-    return (rcstat);
-}
-
-/*
  * Allocate some important arrays used, and initialize the template.
  *
  * When it returns, either all of the structures are allocated