interrupts.h

UPnP的SDK源代码

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000 Intel Corporation
// All rights reserved.
//
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// modification, are permitted provided that the following conditions are met:
//
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// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
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///////////////////////////////////////////////////////////////////////////

// $Revision: 1.1.1.3 $
// $Date: 2001/06/15 00:22:16 $

#ifndef GENLIB_TPOOL_INTERRUPTS_H
#define GENLIB_TPOOL_INTERRUPTS_H

#include <genlib/util/util.h>
#include <pthread.h>

#define TINTR_E_NOT_ENOUGH_MEM      -2
#define TINTR_E_NOT_INITIALIZED     -3
#define TINTR_E_ALREADY_INITIALIZED -4


typedef void (*InterruptHandler)(void);

#ifdef __cplusplus
extern "C" {
#endif

// returns:
//   0: success
//  -1: std error; check errno
//  TINTR_E_NOT_INITIALIZED
int tintr_SetHandler( IN pthread_t thread, IN InterruptHandler handler,
    OUT InterruptHandler* oldHandler );

// interrupts given thread and calls its interrupt handler

// Note: even if thread handler does not exist, 'thread' will
//  be interrupted in blocking calls
// returns
//   0: success;
//  -1: std error check errno
//  TINTR_E_NOT_INITIALIZED 
int tintr_Interrupt( IN pthread_t thread );

// initializes thread interrupt manager with given signal number
// returns:
//  0: success
// -1: std error: check errno
// TINTR_E_ALREADY_INITIALIZED
int tintr_Init( int signalNum );

// uninitializes interrupt handler
// returns:
//   0: success
//  -1: std error; check errno
// TINTR_E_NOT_INITIALIZED
int tintr_Done( void );


#ifdef __cplusplus
}
#endif


#endif /* GENLIB_TPOOL_INTERRUPTS_H */