Quelle Thread.h Sprache: C

/*---------------------------------------------------------------
* Copyright (c) 1999,2000,2001,2002,2003
* The Board of Trustees of the University of Illinois
* All Rights Reserved.
*---------------------------------------------------------------
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software (Iperf) 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:
*
*
* Redistributions of source code must retain the above
* copyright notice, this list of conditions and
* the following disclaimers.
*
*
* Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimers in the documentation and/or other materials
* provided with the distribution.
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* Neither the names of the University of Illinois, NCSA,
* nor the names of its contributors may be used to endorse
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* specific prior written permission.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE CONTIBUTORS 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.
* ________________________________________________________________
* National Laboratory for Applied Network Research
* National Center for Supercomputing Applications
* University of Illinois at Urbana-Champaign
* http://www.ncsa.uiuc.edu
* ________________________________________________________________
*
* Thread.h
* by Kevin Gibbs <kgibbs@nlanr.net>
*
* Based on:
* Thread.hpp
* by Mark Gates <mgates@nlanr.net>
* -------------------------------------------------------------------
* The thread subsystem is responsible for all thread functions. It
* provides a thread implementation agnostic interface to Iperf. If
* threads are not available (HAVE_THREAD is undefined), thread_start
* does not start a new thread but just launches the specified object
* in the current thread. Everything that defines a thread of
* execution in Iperf is contained in an thread_Settings structure. To
* start a thread simply pass one such structure into thread_start.
* ------------------------------------------------------------------- */

#ifndef THREAD_H
#define THREAD_H

#ifdef __cplusplus
extern "C" {
#endif

#if   defined( HAVE_POSIX_THREAD )

/* Definitions for Posix Threads (pthreads) */
    #include <pthread.h>

typedef pthread_t nthread_t;

    #define HAVE_THREAD 1

#elif defined( HAVE_WIN32_THREAD )

/* Definitions for Win32 NT Threads */
typedef DWORD nthread_t;

    #define HAVE_THREAD 1

#else

/* Definitions for no threads */
typedef int nthread_t;

    #undef HAVE_THREAD

#endif

    // Forward declaration
    struct thread_Settings;

#include "Condition.h"
#include "Settings.hpp"

    // initialize or destroy the thread subsystem
    void thread_init( );
    void thread_destroy( );

    // start or stop a thread executing
    void thread_start( struct thread_Settings* thread );
    void thread_stop( struct thread_Settings* thread );

    /* wait for this or all threads to complete */
    void thread_joinall( void );

    int thread_numuserthreads( void );

    // set a thread to be ignorable, so joinall won't wait on it
    void thread_setignore( void );
    void thread_unsetignore( void );

    // Used for threads that may never terminate (ie Listener Thread)
    void thread_register_nonterm( void );
    void thread_unregister_nonterm( void );
    int thread_release_nonterm( int force );

    /* -------------------------------------------------------------------
     * Return the current thread's ID.
     * ------------------------------------------------------------------- */
    #if   defined( HAVE_POSIX_THREAD )
        #define thread_getid() pthread_self()
    #elif defined( HAVE_WIN32_THREAD )
        #define thread_getid() GetCurrentThreadId()
    #else
        #define thread_getid() 0
    #endif

    int thread_equalid( nthread_t inLeft, nthread_t inRight );

    nthread_t thread_zeroid( void );

#if   defined( HAVE_WIN32_THREAD )
    DWORD WINAPI thread_run_wrapper( void* paramPtr );
#else
    void*        thread_run_wrapper( void* paramPtr );
#endif

    void thread_rest ( void );

    // defined in launch.cpp
    void server_spawn( struct thread_Settings* thread );
    void client_spawn( struct thread_Settings* thread );
    void client_init( struct thread_Settings* clients );
    void listener_spawn( struct thread_Settings* thread );

    // defined in reporter.c
    void reporter_spawn( struct thread_Settings* thread );

#ifdef __cplusplus
} /* end extern "C" */
#endif
#endif // THREAD_H

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