xref: /trunk/main/sal/inc/osl/pipe.h (revision 9eab2a37)

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 * Licensed to the Apache Software Foundation (ASF) under one
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 * to you under the Apache License, Version 2.0 (the
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#ifndef _OSL_PIPE_H_
#define _OSL_PIPE_H_

#	include <rtl/ustring.h>


#	include <osl/security.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef enum {
	osl_Pipe_E_None,				/* no error */
	osl_Pipe_E_NotFound,	 		/* Pipe could not be found */
	osl_Pipe_E_AlreadyExists,	 	/* Pipe already exists */
	osl_Pipe_E_NoProtocol,			/* Protocol not available */
	osl_Pipe_E_NetworkReset,		/* Network dropped connection because of reset */
	osl_Pipe_E_ConnectionAbort,		/* Software caused connection abort */
	osl_Pipe_E_ConnectionReset,		/* Connection reset by peer */
	osl_Pipe_E_NoBufferSpace,		/* No buffer space available */
	osl_Pipe_E_TimedOut,			/* Connection timed out */
	osl_Pipe_E_ConnectionRefused,	/* Connection refused */
	osl_Pipe_E_invalidError,		/* unmapped error: always last entry in enum! */
	osl_Pipe_E_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
} oslPipeError;

typedef sal_uInt32 oslPipeOptions;
#define	osl_Pipe_OPEN        0x0000  	/* open existing pipe */
#define	osl_Pipe_CREATE      0x0001     /* create pipe and open it, fails if already existst */

typedef struct oslPipeImpl * oslPipe;

/**
 */
oslPipe SAL_CALL osl_createPipe(rtl_uString *strPipeName, oslPipeOptions Options, oslSecurity Security);

/** decreases the refcount of the pipe.
	If the refcount drops to zero, the handle is destroyed.
 */
void    SAL_CALL osl_releasePipe( oslPipe );

/** increases the refcount of the pipe.
 */
void 	SAL_CALL osl_acquirePipe( oslPipe Pipe );

/** closes the pipe, any read,write or accept actions stop immeadiatly.
 */
void 	SAL_CALL osl_closePipe( oslPipe );


oslPipe SAL_CALL osl_acceptPipe(oslPipe Pipe);

sal_Int32 SAL_CALL osl_sendPipe(oslPipe Pipe, const void* pBuffer, sal_Int32 BufferSize);
sal_Int32 SAL_CALL osl_receivePipe(oslPipe Pipe, void* pBuffer, sal_Int32 BufferSize);

/** Reads blocking from the pipe.
	@return Number of read bytes. If less than BufferSize, the pipe was closed.
 */
sal_Int32 SAL_CALL osl_readPipe( oslPipe Pipe, void *pBuffer, sal_Int32 BufferSize );

/** Writes blocking onto the pipe.
	@return Number of written bytes. If less than BufferSize, the pipe was closed.
 */
sal_Int32 SAL_CALL osl_writePipe( oslPipe Pipe, const void *pBuffer, sal_Int32 BufferSize );

oslPipeError SAL_CALL osl_getLastPipeError(oslPipe Pipe);

#ifdef __cplusplus
}
#endif

#endif	/* _OSL_PIPE_H_ */