File tcsh-6.20.00-avoid-dotlock-for-fcntl.patch of Package tcsh

---
 sh.hist.c |    6 ++++++
 1 file changed, 6 insertions(+)

--- sh.hist.c
+++ sh.hist.c	2017-07-19 10:01:20.795354927 +0000
@@ -1278,6 +1278,11 @@ rechist(Char *fname, int ref)
 	}
 
 	if (merge) {
+#if 0 /* We are using fcntl's F_SETLKW patch for locking
+       * therefore avoid dot file locking without holding
+       * a file descriptor as otherwise we migth not be
+       * able to open the history file after a crash or
+       * if a killall had been used during reboot. */
 	    if (lock) {
 #ifndef WINNT_NATIVE
 		char *lockpath = strsave(short2str(fname));
@@ -1287,6 +1292,7 @@ rechist(Char *fname, int ref)
 		    cleanup_push(lockpath, dotlock_cleanup);
 #endif
 	    }
+#endif
 	    /* Read .history file, leave it's fd open for writing. */
 	    fd = loadhist(fname, HIST_MERGE|HIST_FILE_WRLCK|HIST_FILE_OPEN|HIST_FILE_LOCK);
 	    if (fd > 0) {