*
* Files opened for reading are locked with a read lock (if possible by
* the underlying lock mechanism), files opened for writing are locked
- * using an exclusive lock.
+ * using an exclusive lock. The int * argument is used to indicate failure
+ * to acquire a lock.
*/
int lkclosedata(int, const char *);
int lkclosespool(int, const char *);
int lkfclosedata(FILE *, const char *);
int lkfclosespool(FILE *, const char *);
-FILE *lkfopendata(const char *, const char *);
-int lkopendata(const char *, int, mode_t);
+FILE *lkfopendata(const char *, const char *, int *);
+int lkopendata(const char *, int, mode_t, int *);
FILE *lkfopenspool(const char *, const char *);
-int lkopenspool(const char *, int, mode_t);
+int lkopenspool(const char *, int, mode_t, int *);
int m_atoi (char *);
char *m_backup (char *);
int m_convert (struct msgs *, char *);
* and a pointer to the filehandle will be stored in
* folder structure, where it will later be used by
* seq_save().
+ *
+ * Return values:
+ * OK - successfully read the sequence files, or they don't exist
+ * NOTOK - failed to lock sequence file
*/
-void seq_read (struct msgs * mp, int lockflag);
+int seq_read (struct msgs * mp, int lockflag);
void seq_save (struct msgs *);
void seq_setcur (struct msgs *, int);
void seq_setprev (struct msgs *);