#pragma once
|
|
#if !IL2CPP_THREADS_STD && IL2CPP_THREADS_PTHREAD && !IL2CPP_TINY_WITHOUT_DEBUGGER
|
|
#include <pthread.h>
|
#include <vector>
|
#include <atomic>
|
|
#include "PosixWaitObject.h"
|
#include "os/ErrorCodes.h"
|
#include "os/Mutex.h"
|
#include "os/Event.h"
|
#include "os/Thread.h"
|
#include "os/WaitStatus.h"
|
#include "utils/NonCopyable.h"
|
|
#if defined(IL2CPP_ENABLE_PLATFORM_THREAD_AFFINTY)
|
struct cpu_set_t;
|
int pthread_attr_setaffinity_np(pthread_attr_t *attr, size_t cpusetsize, const cpu_set_t *cpuset);
|
#endif
|
|
#if defined(IL2CPP_ENABLE_PLATFORM_THREAD_RENAME)
|
int pthread_setname_np(pthread_t handle, const char *name);
|
#endif
|
|
#if !defined(IL2CPP_DEFAULT_STACK_SIZE)
|
#define IL2CPP_DEFAULT_STACK_SIZE ( 1 * 1024 * 1024) // default .NET stacksize is 1mb
|
#endif
|
|
namespace il2cpp
|
{
|
namespace os
|
{
|
/// POSIX threads implementation. Supports APCs and interruptible waits.
|
class ThreadImpl : public il2cpp::utils::NonCopyable
|
{
|
public:
|
|
ThreadImpl();
|
~ThreadImpl();
|
|
uint64_t Id();
|
ErrorCode Run(Thread::StartFunc func, void* arg, int64_t affinityMask);
|
void QueueUserAPC(Thread::APCFunc func, void* context);
|
void SetName(const char* name);
|
void SetPriority(ThreadPriority priority);
|
ThreadPriority GetPriority();
|
void SetStackSize(size_t newsize);
|
static int GetMaxStackSize();
|
|
/// Handle any pending APCs.
|
/// NOTE: Can only be called on current thread.
|
void CheckForUserAPCAndHandle();
|
|
static void Sleep(uint32_t milliseconds, bool interruptible);
|
static uint64_t CurrentThreadId();
|
static ThreadImpl* GetCurrentThread();
|
static ThreadImpl* CreateForCurrentThread();
|
|
static bool YieldInternal();
|
|
#if IL2CPP_HAS_NATIVE_THREAD_CLEANUP
|
static void SetNativeThreadCleanup(Thread::ThreadCleanupFunc cleanupFunction);
|
static void RegisterCurrentThreadForCleanup(void* arg);
|
static void UnregisterCurrentThreadForCleanup();
|
#endif
|
|
private:
|
|
friend class posix::PosixWaitObject; // SetWaitObject(), CheckForAPCAndHandle()
|
|
std::atomic<pthread_t> m_Handle;
|
|
/// The synchronization primitive that this thread is currently blocked on.
|
///
|
/// NOTE: This field effectively turns these wait object into shared resources -- which makes deletion
|
/// a tricky affair. To avoid one thread trying to interrupt a wait while the other thread already
|
/// is in progress of deleting the wait object, we use a global mutex in PosixWaitObject.cpp that
|
/// must be locked by any thread trying to trigger an interrupt.
|
posix::PosixWaitObject* m_CurrentWaitObject;
|
|
/// Start data.
|
Thread::StartFunc m_StartFunc;
|
void* m_StartArg;
|
|
/// List of APC requests for this thread.
|
struct APCRequest
|
{
|
Thread::APCFunc callback;
|
void* context;
|
|
APCRequest(Thread::APCFunc callback, void* context) :
|
callback(callback), context(context)
|
{
|
}
|
};
|
|
pthread_mutex_t m_PendingAPCsMutex;
|
std::vector<APCRequest> m_PendingAPCs;
|
|
size_t m_StackSize; // size of stack (can not be adjusted after thread creation)
|
|
/// Set the synchronization object the thread is about to wait on.
|
/// NOTE: This can only be called on the current thread.
|
void SetWaitObject(posix::PosixWaitObject* waitObject);
|
|
static void* ThreadStartWrapper(void* arg);
|
};
|
}
|
}
|
|
#endif
|
