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/* $Id$
* =============================================================================
*
* = LIBRARY
* pace
*
* = FILENAME
* pace/win32/fcntl.c
*
* = AUTHOR
* Luther Baker
*
* ============================================================================= */
#include "pace/fcntl.h"
#if !defined (PACE_HAS_INLINE)
# include "pace/win32/fcntl.inl"
#endif /* ! PACE_HAS_INLINE */
#if (PACE_HAS_POSIX_FS_UOF)
#include <windows.h>
#include <wtypes.h>
int
pace_win32_creat (const char * path, pace_mode_t mode)
{
/* Emulation is still buggy! DO NOT YET USE! */
DWORD access = GENERIC_READ,
creation = OPEN_EXISTING,
flags = 0,
shared_mode = FILE_SHARE_READ | FILE_SHARE_WRITE;
HANDLE h = (void*)0;
if (PACE_BIT_ENABLED (mode, O_WRONLY))
{
access = GENERIC_WRITE;
}
else if (PACE_BIT_ENABLED (mode, O_RDWR))
{
access = GENERIC_READ | GENERIC_WRITE;
}
if ((mode & (_O_CREAT | _O_EXCL)) == (_O_CREAT | _O_EXCL))
{
creation = CREATE_NEW;
}
else if ((mode & (_O_CREAT | _O_TRUNC)) == (_O_CREAT | _O_TRUNC))
{
creation = CREATE_ALWAYS;
}
else if (PACE_BIT_ENABLED (mode, _O_CREAT))
{
creation = OPEN_ALWAYS;
}
else if (PACE_BIT_ENABLED (mode, _O_TRUNC))
{
creation = TRUNCATE_EXISTING;
}
if (PACE_BIT_ENABLED (mode, _O_TEMPORARY))
{
flags |= FILE_FLAG_DELETE_ON_CLOSE | FILE_ATTRIBUTE_TEMPORARY;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_WRITE_THROUGH))
{
flags |= FILE_FLAG_WRITE_THROUGH;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_OVERLAPPED))
{
flags |= FILE_FLAG_OVERLAPPED;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_NO_BUFFERING))
{
flags |= FILE_FLAG_NO_BUFFERING;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_RANDOM_ACCESS))
{
flags |= FILE_FLAG_RANDOM_ACCESS;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_SEQUENTIAL_SCAN))
{
flags |= FILE_FLAG_SEQUENTIAL_SCAN;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_DELETE_ON_CLOSE))
{
flags |= FILE_FLAG_DELETE_ON_CLOSE;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_BACKUP_SEMANTICS))
{
flags |= FILE_FLAG_BACKUP_SEMANTICS;
}
if (PACE_BIT_ENABLED (mode, FILE_FLAG_POSIX_SEMANTICS))
{
flags |= FILE_FLAG_POSIX_SEMANTICS;
}
#if 0 //////////////////////////////////////////////////////////////////////
/* Threads and version info that isn't implemented yet in PACE.
ACE_MT (ACE_thread_mutex_t *ace_os_monitor_lock = 0;)
*/
if (PACE_BIT_ENABLED (mode, _O_APPEND))
{
ACE_MT
(
ace_os_monitor_lock = (ACE_thread_mutex_t *)
ACE_OS_Object_Manager::preallocated_object[
ACE_OS_Object_Manager::ACE_OS_MONITOR_LOCK];
ACE_OS::thread_mutex_lock (ace_os_monitor_lock);
)
}
#if !defined (ACE_HAS_WINCE) /* CE doesn't have FILE_SHARE_DELETE */
if (ACE_OS::get_win32_versioninfo().dwPlatformId ==
VER_PLATFORM_WIN32_NT)
shared_mode |= FILE_SHARE_DELETE;
#endif /* ACE_HAS_WINCE */
////////////////////////////////////////////////////////////
#endif /* 0 */
h = CreateFile (path,
access,
shared_mode,
0,
creation,
flags,
0);
if (PACE_BIT_ENABLED (mode, _O_APPEND))
{
if (h != PACE_INVALID_HANDLE)
{
SetFilePointer (h, 0, 0, FILE_END);
}
/* Threads and version info that isn't implemented yet in PACE.
ACE_MT (ACE_thread_mutex_t *ace_os_monitor_lock = 0;)
ACE_MT (ACE_OS::thread_mutex_unlock (ace_os_monitor_lock);)
*/
}
if (h == PACE_INVALID_HANDLE)
{
/* Where is this in ACE?
ACE_FAIL_RETURN (h);
*/
return -1;
}
else
{
/* return h;
POSIX returns lowest unused file descriptor but windows
doesn't handle files in the same manner.
We return -1 for failure and 1 for success.
*/
return 1;
}
}
#endif /* PACE_HAS_POSIX_FS_UOF */
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