diff options
Diffstat (limited to 'src/third_party/wiredtiger/src/os_posix/os_flock.c')
| -rw-r--r-- | src/third_party/wiredtiger/src/os_posix/os_flock.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/src/third_party/wiredtiger/src/os_posix/os_flock.c b/src/third_party/wiredtiger/src/os_posix/os_flock.c deleted file mode 100644 index e2056f7636c..00000000000 --- a/src/third_party/wiredtiger/src/os_posix/os_flock.c +++ /dev/null @@ -1,38 +0,0 @@ -/*- - * Copyright (c) 2014-2016 MongoDB, Inc. - * Copyright (c) 2008-2014 WiredTiger, Inc. - * All rights reserved. - * - * See the file LICENSE for redistribution information. - */ - -#include "wt_internal.h" - -/* - * __wt_bytelock -- - * Lock/unlock a byte in a file. - */ -int -__wt_bytelock(WT_FH *fhp, wt_off_t byte, bool lock) -{ - struct flock fl; - WT_DECL_RET; - - /* - * WiredTiger requires this function be able to acquire locks past - * the end of file. - * - * Note we're using fcntl(2) locking: all fcntl locks associated with a - * file for a given process are removed when any file descriptor for the - * file is closed by the process, even if a lock was never requested for - * that file descriptor. - */ - fl.l_start = byte; - fl.l_len = 1; - fl.l_type = lock ? F_WRLCK : F_UNLCK; - fl.l_whence = SEEK_SET; - - WT_SYSCALL_RETRY(fcntl(fhp->fd, F_SETLK, &fl), ret); - - return (ret); -} |