99 lines
2.0 KiB
C++
99 lines
2.0 KiB
C++
// Thread is the low-level platform-specific abstraction
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// to the OS's threading interface.
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#ifndef BASE_THREAD_THREAD_H_
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#define BASE_THREAD_THREAD_H_
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#include "base/base_config.h"
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#include "base/base_export.h"
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#if defined(OS_WIN)
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#include <process.h>
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#include <windows.h>
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#else
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#include <pthread.h>
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#endif
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#include "base/base_types.h"
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namespace nbase
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{
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#if defined(OS_WIN)
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typedef uint32_t ThreadId;
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typedef void* ThreadHandle;
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#elif defined(OS_POSIX)
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typedef pid_t ThreadId;
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typedef pthread_t ThreadHandle;
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#endif
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const ThreadId kInvalidThreadId = 0;
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// Valid values for thread priority
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enum ThreadPriority
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{
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kThreadPriorityDefault,
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kThreadPriorityLow,
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kThreadPriorityNormal,
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kThreadPriorityHigh,
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kThreadPriorityRealtime
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};
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class BASE_EXPORT Thread
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{
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public:
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Thread();
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virtual ~Thread();
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// Create a thread with a option, if the option is null, thread will start with
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// a default option
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bool Create();
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// Close the thread
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void Close();
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// Terminate the thread
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void Terminate();
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// Sleeps for the specified duration (units are milliseconds)
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static void Sleep(int duration_ms);
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// Yield the current thread so another thread can be scheduled
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static void YieldThread();
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// Gets the current thread id
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static ThreadId CurrentId();
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ThreadId thread_id() const { return thread_id_; }
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void set_thread_id(ThreadId thread_id) { thread_id_ = thread_id; }
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// Gets the current thread handle
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ThreadHandle thread_handle() const { return thread_handle_; }
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// Set the thread's priority
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void set_thread_priority(ThreadPriority priority) { thread_priority_ = priority; }
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protected:
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// Thread process function
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virtual void Run() {}
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private:
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#if defined(OS_WIN)
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static uint32_t __stdcall ThreadProcFunc(void *arg);
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#else
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static void* ThreadProcFunc(void *arg);
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#endif
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ThreadId thread_id_;
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ThreadHandle thread_handle_;
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ThreadPriority thread_priority_;
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};
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#if defined(OS_WIN) && defined(COMPILER_MSVC)
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BASE_EXPORT void SetThreadName(DWORD thread_id, const char* name);
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#endif
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}
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#endif // BASE_THREAD_THREAD_H_
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