mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-11-04 05:17:07 +00:00
440f87eea2
platform independent. This code is completely untested (but never used), and needs autoconf support for detecting pthreads, but it's a start, and deletes two emails from my inbox. :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10906 91177308-0d34-0410-b5e6-96231b3b80d8
43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
//===-- Support/ThreadSupport-PThreads.h - PThreads support -----*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file defines pthreads implementations of the generic threading
|
|
// mechanisms. Users should never #include this file directly!
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Users should never #include this file directly! As such, no include guards
|
|
// are needed.
|
|
|
|
#ifndef SUPPORT_THREADSUPPORT_H
|
|
#error "Code should not #include Support/ThreadSupport/PThreads.h directly!"
|
|
#endif
|
|
|
|
#include <pthread.h>
|
|
|
|
namespace llvm {
|
|
|
|
/// Mutex - This class allows user code to protect variables shared between
|
|
/// threads. It implements a "recursive" mutex, to simplify user code.
|
|
///
|
|
class Mutex {
|
|
pthread_mutex_t mutex;
|
|
Mutex(const Mutex &); // DO NOT IMPLEMENT
|
|
void operator=(const Mutex &); // DO NOT IMPLEMENT
|
|
public:
|
|
Mutex() {
|
|
pthread_mutexattr_t Attr;
|
|
pthread_mutex_init(&mutex, &Attr);
|
|
}
|
|
~Mutex() { pthread_mutex_destroy(&mutex); }
|
|
void acquire () { pthread_mutex_lock (&mutex); }
|
|
void release () { pthread_mutex_unlock (&mutex); }
|
|
};
|
|
} // end namespace llvm
|