* Sebastian Hammer, Adam Dickmeiss
*
* $Log: lockutil.c,v $
- * Revision 1.2 1995-12-11 11:43:29 adam
+ * Revision 1.3 1995-12-12 16:00:57 adam
+ * System call sync(2) used after update/commit.
+ * Locking (based on fcntl) uses F_EXLCK and F_SHLCK instead of F_WRLCK
+ * and F_RDLCK.
+ *
+ * Revision 1.2 1995/12/11 11:43:29 adam
* Locking based on fcntl instead of flock.
* Setting commitEnable removed. Command line option -n can be used to
* prevent commit if commit setting is defined in the configuration file.
int zebraLock (int fd, int wr)
{
+#if 1
+ return intLock (fd, wr ? F_EXLCK : F_SHLCK, F_SETLKW);
+#else
return intLock (fd, wr ? F_WRLCK : F_RDLCK, F_SETLKW);
+#endif
}
int zebraLockNB (int fd, int wr)
{
- return intLock (fd, wr ? F_WRLCK : F_RDLCK, F_SETLK);
+#if 1
+ return intLock (fd, wr ? F_EXLCK : F_SHLCK, F_SETLKW);
+#else
+ return intLock (fd, wr ? F_WRLCK : F_RDLCK, F_SETLKW);
+#endif
}
int zebraUnlock (int fd)