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66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/*
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* Win32 pipes
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*
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* Copyright 1998 Alexandre Julliard
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*/
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#include <assert.h>
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#include "winerror.h"
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#include "k32obj.h"
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#include "process.h"
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#include "thread.h"
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#include "heap.h"
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#include "server/request.h"
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#include "server.h"
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typedef struct _PIPE
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{
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K32OBJ header;
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} PIPE;
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/***********************************************************************
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* CreatePipe (KERNEL32.170)
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*/
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BOOL WINAPI CreatePipe( PHANDLE hReadPipe, PHANDLE hWritePipe,
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LPSECURITY_ATTRIBUTES sa, DWORD size )
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{
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struct create_pipe_request req;
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struct create_pipe_reply reply;
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PIPE *read_pipe, *write_pipe;
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int len;
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req.inherit = (sa && (sa->nLength>=sizeof(*sa)) && sa->bInheritHandle);
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CLIENT_SendRequest( REQ_CREATE_PIPE, -1, 1, &req, sizeof(req) );
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if (CLIENT_WaitReply( &len, NULL, 1, &reply, sizeof(reply) ) != ERROR_SUCCESS)
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return FALSE;
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SYSTEM_LOCK();
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if (!(read_pipe = (PIPE *)K32OBJ_Create( K32OBJ_PIPE, sizeof(*read_pipe),
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NULL, reply.handle_read,
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STANDARD_RIGHTS_REQUIRED|SYNCHRONIZE|GENERIC_READ,
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sa, hReadPipe )))
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{
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CLIENT_CloseHandle( reply.handle_write );
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/* handle_read already closed by K32OBJ_Create */
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SYSTEM_UNLOCK();
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return FALSE;
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}
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K32OBJ_DecCount( &read_pipe->header );
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if (!(write_pipe = (PIPE *)K32OBJ_Create( K32OBJ_PIPE, sizeof(*write_pipe),
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NULL, reply.handle_write,
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STANDARD_RIGHTS_REQUIRED|SYNCHRONIZE|GENERIC_WRITE,
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sa, hWritePipe )))
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{
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CloseHandle( *hReadPipe );
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*hReadPipe = INVALID_HANDLE_VALUE;
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SYSTEM_UNLOCK();
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return FALSE;
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}
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/* everything OK */
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K32OBJ_DecCount( &write_pipe->header );
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SetLastError(0); /* FIXME */
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SYSTEM_UNLOCK();
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return TRUE;
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}
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