ReceiveTempSMS
/
Sweden-Number
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

NT allocates one page as TEB. Some native NT-dlls are using this.

This commit is contained in:
Juergen Schmied 1999-12-25 22:49:33 +00:00 committed by Alexandre Julliard
parent 2da48e3c87
commit 71e69dd8ed
1 changed files with 10 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
scheduler/thread.c
View File

@ -163,7 +163,7 @@ void CALLBACK THREAD_FreeTEB( ULONG_PTR arg )
close( teb->socket );
if (teb->buffer) munmap( teb->buffer, teb->buffer_size );
VirtualFree( teb->stack_base, 0, MEM_RELEASE );
HeapFree( SystemHeap, 0, teb );
VirtualFree( teb, 0, MEM_FREE );
}
@ -202,6 +202,12 @@ TEB *THREAD_CreateInitialThread( PDB *pdb, int server_fd )
/***********************************************************************
* THREAD_Create
*
* NOTES:
* Native NT dlls are using the space left on the allocated page
* the first allocated TEB on NT is at 0x7ffde000, since we can't
* allocate in this area and don't support a granularity of 4kb
* yet we leave it to VirtualAlloc to choose an address.
*/
TEB *THREAD_Create( PDB *pdb, DWORD flags, DWORD stack_size, BOOL alloc_stack16,
LPSECURITY_ATTRIBUTES sa, int *server_handle )
@ -210,7 +216,7 @@ TEB *THREAD_Create( PDB *pdb, DWORD flags, DWORD stack_size, BOOL alloc_stack16,
int fd[2];
HANDLE cleanup_object;
TEB *teb = HeapAlloc( SystemHeap, HEAP_ZERO_MEMORY, sizeof(TEB) );
TEB *teb = VirtualAlloc(0, 0x1000, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if (!teb) return NULL;
teb->except = (void *)-1;
teb->htask16 = pdb->task;
@ -258,13 +264,14 @@ TEB *THREAD_Create( PDB *pdb, DWORD flags, DWORD stack_size, BOOL alloc_stack16,
0, FALSE, DUPLICATE_SAME_ACCESS ) ) goto error;
teb->cleanup = SERVICE_AddObject( cleanup_object, THREAD_FreeTEB, (ULONG_PTR)teb );
TRACE("(%p) succeeded\n", teb);
return teb;
error:
if (*server_handle != -1) CloseHandle( *server_handle );
if (teb->teb_sel) SELECTOR_FreeBlock( teb->teb_sel, 1 );
if (teb->socket != -1) close( teb->socket );
HeapFree( SystemHeap, 0, teb );
VirtualFree( teb, 0, MEM_FREE );
return NULL;
}