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Diffstat (limited to 'winsup/cygwin/ipc.cc')
-rw-r--r-- | winsup/cygwin/ipc.cc | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/winsup/cygwin/ipc.cc b/winsup/cygwin/ipc.cc deleted file mode 100644 index 5387915..0000000 --- a/winsup/cygwin/ipc.cc +++ /dev/null @@ -1,39 +0,0 @@ -/* ipc.cc: Single unix specification IPC interface for Cygwin - - Copyright 2001, 2002 Red Hat, Inc. - - Originally written by Robert Collins <robert.collins@hotmail.com> - - This file is part of Cygwin. - - This software is a copyrighted work licensed under the terms of the - Cygwin license. Please consult the file "CYGWIN_LICENSE" for - details. */ - -#include "winsup.h" -#include <cygwin/ipc.h> -#include <sys/stat.h> - -extern "C" -{ - -/* Notes: we return a valid key even if id's low order 8 bits are 0. */ -key_t -ftok (const char *path, int id) -{ - struct stat statbuf; - if (stat (path, &statbuf)) - { - /* stat set the appropriate errno for us */ - return (key_t) -1; - } - - /* dev_t is short for cygwin - * ino_t is long for cygwin - * and we need 8 bits for the id. - * thus key_t is long long. - */ - return ((long long) statbuf.st_dev << (5*8)) | (statbuf.st_ino << (8) ) | (id & 0x00ff); -} - -} |