transmission/libtransmission/fdlimit.h

74 lines
3.6 KiB
C

/******************************************************************************
* $Id$
*
* Copyright (c) 2005-2006 Transmission authors and contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
/***********************************************************************
* tr_fdInit
***********************************************************************
* Detect the maximum number of open files and initializes things.
**********************************************************************/
void tr_fdInit();
/***********************************************************************
* tr_fdFileOpen
***********************************************************************
* If it isn't open already, tries to open the file 'name' in the
* directory 'folder'. If 'name' itself contains '/'s, required
* subfolders are created. The file is open read-write if 'write' is 1
* (created if necessary), read-only if 0.
* Returns the file descriptor if successful, otherwise returns
* one of the TR_ERROR_IO_*.
**********************************************************************/
int tr_fdFileOpen( char * folder, char * name, int write );
/***********************************************************************
* tr_fdFileRelease
***********************************************************************
* Indicates that the file whose descriptor is 'file' is unused at the
* moment and can safely be closed.
**********************************************************************/
void tr_fdFileRelease( int file );
/***********************************************************************
* tr_fdFileClose
***********************************************************************
* If the file 'name' in directory 'folder' was open, closes it,
* flushing data on disk.
**********************************************************************/
void tr_fdFileClose( char * folder, char * name );
/***********************************************************************
* Sockets
**********************************************************************/
int tr_fdSocketCreate( int type, int priority );
int tr_fdSocketAccept( int b, struct in_addr * addr, in_port_t * port );
void tr_fdSocketClose( int s );
/***********************************************************************
* tr_fdClose
***********************************************************************
* Frees resources allocated by tr_fdInit.
**********************************************************************/
void tr_fdClose();