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pthreads.cpp
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1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Christian Schulte <schulte@gecode.org>
5 *
6 * Copyright:
7 * Christian Schulte, 2009
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
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33
34#include <gecode/support.hh>
35
36#ifdef GECODE_THREADS_PTHREADS
37
38namespace Gecode { namespace Support {
39
41 void*
42 bootstrap(void* p) {
43 static_cast<Thread::Run*>(p)->exec();
44 pthread_exit(NULL);
45 return NULL;
46 }
47
48 Thread::Run::Run(Runnable* r0) {
49 m.acquire();
50 r = r0;
51 m.release();
52 // The Pthread specific thread datastructure
53 pthread_t p_t;
54 if (pthread_create(&p_t, NULL, bootstrap, this) != 0)
55 throw OperatingSystemError("Thread::run[pthread_create]");
56 }
57
58}}
59
60#endif
61
62// STATISTICS: support-any
int p
Number of positive literals for node type.
Exception: operating system error
Definition exception.hpp:75
void release(void)
Release the mutex.
Definition none.hpp:48
void acquire(void)
Acquire the mutex and possibly block.
Definition none.hpp:42
Runnable * r
Runnable object to execute.
Definition thread.hpp:304
Run(Runnable *r)
Create a new thread.
Definition none.hpp:70
Mutex m
Mutex for synchronization.
Definition thread.hpp:308
void * bootstrap(void *p)
Function to start execution.
Definition pthreads.cpp:42
Gecode toplevel namespace