version 1.1.2.10, 2006/08/02 07:26:35
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version 1.5, 2006/08/21 16:38:34
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#define Pegasus_Threads_h | #define Pegasus_Threads_h |
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#include <cstring> | #include <cstring> |
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#include <cstdio> |
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#include <cstring> |
#include <Pegasus/Common/Config.h> | #include <Pegasus/Common/Config.h> |
#include <Pegasus/Common/Linkage.h> | #include <Pegasus/Common/Linkage.h> |
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//============================================================================== | //============================================================================== |
// | // |
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// ThreadId |
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// |
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//============================================================================== |
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struct ThreadId |
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{ |
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// The character representation of a uint64 requires 22 bytes including the |
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// null terminator. |
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char buffer[22]; |
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}; |
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//============================================================================== |
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// |
// ThreadType | // ThreadType |
// | // |
//============================================================================== | //============================================================================== |
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#if defined(PEGASUS_HAVE_PTHREADS) | #if defined(PEGASUS_HAVE_PTHREADS) |
struct ThreadType | struct ThreadType |
{ | { |
public: |
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ThreadType() | ThreadType() |
{ | { |
memset(this, 0, sizeof(*this)); |
memset(&thread, 0, sizeof(thread)); |
} |
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ThreadType(const ThreadType& x) : _thread(x._thread), _id(x._id) |
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{ |
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} |
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ThreadType(pthread_t thread, Uint32 id) : _thread(thread), _id(id) |
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{ |
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} |
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ThreadType& operator=(const ThreadType& x) |
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{ |
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if (&x != this) |
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{ |
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_id = x._id; |
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_thread = x._thread; |
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} |
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return *this; |
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} | } |
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pthread_t tt_handle() const |
ThreadType(pthread_t thread_) : thread(thread_) |
{ | { |
return _thread; |
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} | } |
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void print() const |
pthread_t thread; |
{ |
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printf("ThreadType(%lu, %lu)\n", _thread, (unsigned long)_id); |
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} |
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private: |
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pthread_t _thread; |
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// An id of zero indicates a null object. 1 indicates the main thread. |
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Uint32 _id; |
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friend class Threads; |
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}; | }; |
#endif /* PEGASUS_HAVE_PTHREADS */ | #endif /* PEGASUS_HAVE_PTHREADS */ |
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#if defined(PEGASUS_HAVE_WINDOWS_THREADS) | #if defined(PEGASUS_HAVE_WINDOWS_THREADS) |
struct ThreadType | struct ThreadType |
{ | { |
ThreadType() : handle(NULL) { } |
ThreadType() : handle(NULL) |
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{ |
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} |
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HANDLE handle; | HANDLE handle; |
}; | }; |
#endif /* PEGASUS_HAVE_WINDOWS_THREADS */ | #endif /* PEGASUS_HAVE_WINDOWS_THREADS */ |
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static void cleanup_pop(int execute); | static void cleanup_pop(int execute); |
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static Uint32 id(const ThreadType& x = Threads::self()); |
static ThreadId id(const ThreadType& x = Threads::self()); |
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static bool null(const ThreadType& x = Threads::self()); |
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static void clear(ThreadType& x); | static void clear(ThreadType& x); |
}; | }; |
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inline bool Threads::equal(ThreadType x, ThreadType y) | inline bool Threads::equal(ThreadType x, ThreadType y) |
{ | { |
return pthread_equal(x.tt_handle(), y.tt_handle()); |
return pthread_equal(x.thread, y.thread); |
} | } |
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inline void Threads::exit(ThreadReturnType rc) | inline void Threads::exit(ThreadReturnType rc) |
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inline void Threads::cancel(ThreadType th, ThreadReturnType rc) | inline void Threads::cancel(ThreadType th, ThreadReturnType rc) |
{ | { |
pthread_cancel(th.tt_handle()); |
pthread_cancel(th.thread); |
} | } |
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inline void Threads::yield() | inline void Threads::yield() |
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// ATTN: not implemented. | // ATTN: not implemented. |
} | } |
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inline Uint32 Threads::id(const ThreadType& x) |
inline ThreadId Threads::id(const ThreadType& x) |
{ | { |
return x._id; |
ThreadId tid; |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
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const char* s = x.thread.__; |
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sprintf(tid.buffer, "%X%X%X%X%X%X%X%X", |
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s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7]); |
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#else |
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sprintf(tid.buffer, "%" PEGASUS_64BIT_CONVERSION_WIDTH "u", |
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Uint64((unsigned long)x.thread)); |
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#endif |
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return tid; |
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} |
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inline bool Threads::null(const ThreadType& x) |
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{ |
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#if defined(PEGASUS_PLATFORM_ZOS_ZSERIES_IBM) |
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Uint64 tmp; |
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memcpy(&tmp, x._thread.__, sizeof(Uint64)); |
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return tmp == 0; |
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#else |
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return x.thread == 0; |
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#endif |
} | } |
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inline void Threads::clear(ThreadType& x) | inline void Threads::clear(ThreadType& x) |
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inline ThreadType Threads::self() | inline ThreadType Threads::self() |
{ | { |
ThreadType tt; | ThreadType tt; |
tt.handle = HANDLE(GetCurrentThreadId()); |
tt.handle = GetCurrentThread(); |
return tt; | return tt; |
} | } |
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// ATTN: Not implemented on Windows. | // ATTN: Not implemented on Windows. |
} | } |
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inline Uint32 Threads::id(const ThreadType& x) |
inline ThreadId Threads::id(const ThreadType& x) |
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{ |
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ThreadId tmp; |
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sprintf(tmp.buffer, "%" PEGASUS_64BIT_CONVERSION_WIDTH "u", |
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Uint64(x.handle)); |
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return tmp; |
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} |
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inline bool Threads::null(const ThreadType& x) |
{ | { |
return (Uint32)(long)x.handle; |
return x.handle == NULL; |
} | } |
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inline void Threads::clear(ThreadType& x) | inline void Threads::clear(ThreadType& x) |