diff options
Diffstat (limited to 'win32/flock.c')
| -rw-r--r-- | win32/flock.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/win32/flock.c b/win32/flock.c deleted file mode 100644 index cc9d409784..0000000000 --- a/win32/flock.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * Program: Unix compatibility routines - * - * Author: Mark Crispin - * Networks and Distributed Computing - * Computing & Communications - * University of Washington - * Administration Building, AG-44 - * Seattle, WA 98195 - * Internet: MRC@CAC.Washington.EDU - * - * Date: 14 September 1996 - * Last Edited: 14 August 1997 - * - * Copyright 1997 by the University of Washington - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, provided - * that the above copyright notice appears in all copies and that both the - * above copyright notice and this permission notice appear in supporting - * documentation, and that the name of the University of Washington not be - * used in advertising or publicity pertaining to distribution of the software - * without specific, written prior permission. This software is made available - * "as is", and - * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, - * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN - * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL, - * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM - * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT - * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION - * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - */ - - -/* DEDICATION - - * This file is dedicated to my dog, Unix, also known as Yun-chan and - * Unix J. Terwilliker Jehosophat Aloysius Monstrosity Animal Beast. Unix - * passed away at the age of 11 1/2 on September 14, 1996, 12:18 PM PDT, after - * a two-month bout with cirrhosis of the liver. - * - * He was a dear friend, and I miss him terribly. - * - * Lift a leg, Yunie. Luv ya forever!!!! - */ - -#include <windows.h> -#include <io.h> -#include <errno.h> -#include "flock.h" - -int flock(int fd, int op) -{ - HANDLE hdl = (HANDLE) _get_osfhandle(fd); - DWORD low = 1, high = 0; - OVERLAPPED offset = - {0, 0, 0, 0, NULL}; - if (hdl < 0) - return -1; /* error in file descriptor */ - /* bug for bug compatible with Unix */ - UnlockFileEx(hdl, 0, low, high, &offset); - switch (op & ~LOCK_NB) { /* translate to LockFileEx() op */ - case LOCK_EX: /* exclusive */ - if (LockFileEx(hdl, LOCKFILE_EXCLUSIVE_LOCK + - ((op & LOCK_NB) ? LOCKFILE_FAIL_IMMEDIATELY : 0), - 0, low, high, &offset)) - return 0; - break; - case LOCK_SH: /* shared */ - if (LockFileEx(hdl, ((op & LOCK_NB) ? LOCKFILE_FAIL_IMMEDIATELY : 0), - 0, low, high, &offset)) - return 0; - break; - case LOCK_UN: /* unlock */ - return 0; /* always succeeds */ - default: /* default */ - break; - } - errno = EINVAL; /* bad call */ - return -1; -} |