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Added Win32 synchro to FILEs (useful only for terminal handles).

This commit is contained in:
Marcus Meissner 1998-12-11 09:13:29 +00:00 committed by Alexandre Julliard
parent 3f11e9eba3
commit 7d123bf0e4
1 changed files with 46 additions and 6 deletions
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52
files/file.c
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@ -19,6 +19,7 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#include <utime.h>
@ -40,6 +41,10 @@
#define MAP_ANON MAP_ANONYMOUS
#endif
static BOOL32 FILE_Signaled(K32OBJ *ptr, DWORD tid);
static BOOL32 FILE_Satisfied(K32OBJ *ptr, DWORD thread_id);
static void FILE_AddWait(K32OBJ *ptr, DWORD tid);
static void FILE_RemoveWait(K32OBJ *ptr, DWORD thread_id);
static BOOL32 FILE_Read(K32OBJ *ptr, LPVOID lpBuffer, DWORD nNumberOfChars,
LPDWORD lpNumberOfChars, LPOVERLAPPED lpOverlapped);
static BOOL32 FILE_Write(K32OBJ *ptr, LPCVOID lpBuffer, DWORD nNumberOfChars,
@ -48,12 +53,11 @@ static void FILE_Destroy( K32OBJ *obj );
const K32OBJ_OPS FILE_Ops =
{
/* Object cannot be waited upon (FIXME: for now) */
NULL, /* signaled */
NULL, /* satisfied */
NULL, /* add_wait */
NULL, /* remove_wait */
FILE_Read, /* read */
FILE_Signaled, /* signaled */
FILE_Satisfied, /* satisfied */
FILE_AddWait, /* add_wait */
FILE_RemoveWait, /* remove_wait */
FILE_Read, /* read */
FILE_Write, /* write */
FILE_Destroy /* destroy */
};
@ -102,6 +106,42 @@ HFILE32 FILE_Alloc( FILE_OBJECT **file )
return handle;
}
static BOOL32 FILE_Signaled(K32OBJ *ptr, DWORD thread_id)
{
fd_set fds,*readfds = NULL,*writefds = NULL;
struct timeval tv;
FILE_OBJECT *file = (FILE_OBJECT *)ptr;
FD_ZERO(&fds);
FD_SET(file->unix_handle,&fds);
if (file->mode == OF_READ) readfds = &fds;
if (file->mode == OF_WRITE) writefds = &fds;
if (file->mode == OF_READWRITE) {writefds = &fds; readfds = &fds;}
tv.tv_sec = 0;
tv.tv_usec = 0;
assert(readfds || writefds);
if (select(file->unix_handle+1,readfds,writefds,NULL,&tv)>0)
return TRUE; /* we triggered one fd. Whereever. */
return FALSE;
}
static void FILE_AddWait(K32OBJ *ptr, DWORD thread_id)
{
TRACE(file,"(),stub\n");
return;
}
static void FILE_RemoveWait(K32OBJ *ptr, DWORD thread_id)
{
TRACE(file,"(),stub\n");
return;
}
static BOOL32 FILE_Satisfied(K32OBJ *ptr, DWORD thread_id)
{
TRACE(file,"(),stub\n");
return TRUE;
}
/* FIXME: lpOverlapped is ignored */
static BOOL32 FILE_Read(K32OBJ *ptr, LPVOID lpBuffer, DWORD nNumberOfChars,