📄 _os2.h
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#define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT)#define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT)#ifdef XP_OS2_EMXextern PRInt32 _MD_SELECT(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout);#else#define _MD_SELECT select#endif#define _MD_FSYNC _PR_MD_FSYNC#define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)#define _MD_INIT_ATOMIC()#define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT#define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD#define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT#define _MD_ATOMIC_SET _PR_MD_ATOMIC_SET#define _MD_INIT_IO (_PR_MD_INIT_IO)#define _MD_PR_POLL (_PR_MD_PR_POLL)/* win95 doesn't have async IO */#define _MD_SOCKET (_PR_MD_SOCKET)extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);#define _MD_SOCKETAVAILABLE _MD_SocketAvailable#define _MD_PIPEAVAILABLE _MD_SocketAvailable#define _MD_CONNECT (_PR_MD_CONNECT)extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen, PRIntervalTime timeout);#define _MD_ACCEPT _MD_Accept#define _MD_BIND (_PR_MD_BIND)#define _MD_RECV (_PR_MD_RECV)#define _MD_SEND (_PR_MD_SEND)/* --- Scheduler stuff --- *//* #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU */#define _MD_PAUSE_CPU/* --- DIR stuff --- */#define PR_DIRECTORY_SEPARATOR '\\'#define PR_DIRECTORY_SEPARATOR_STR "\\"#define PR_PATH_SEPARATOR ';'#define PR_PATH_SEPARATOR_STR ";"#define _MD_ERRNO() errno#define _MD_OPEN_DIR (_PR_MD_OPEN_DIR)#define _MD_CLOSE_DIR (_PR_MD_CLOSE_DIR)#define _MD_READ_DIR (_PR_MD_READ_DIR)/* --- Segment stuff --- */#define _MD_INIT_SEGS()#define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0#define _MD_FREE_SEGMENT(seg)/* --- Environment Stuff --- */#define _MD_GET_ENV (_PR_MD_GET_ENV)#define _MD_PUT_ENV (_PR_MD_PUT_ENV)/* --- Threading Stuff --- */#define _MD_DEFAULT_STACK_SIZE 65536L#define _MD_INIT_THREAD (_PR_MD_INIT_THREAD)#define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_THREAD)#define _MD_CREATE_THREAD (_PR_MD_CREATE_THREAD)#define _MD_YIELD (_PR_MD_YIELD)#define _MD_SET_PRIORITY (_PR_MD_SET_PRIORITY)#define _MD_CLEAN_THREAD (_PR_MD_CLEAN_THREAD)#define _MD_SETTHREADAFFINITYMASK (_PR_MD_SETTHREADAFFINITYMASK)#define _MD_GETTHREADAFFINITYMASK (_PR_MD_GETTHREADAFFINITYMASK)#define _MD_EXIT_THREAD (_PR_MD_EXIT_THREAD)#define _MD_SUSPEND_THREAD (_PR_MD_SUSPEND_THREAD)#define _MD_RESUME_THREAD (_PR_MD_RESUME_THREAD)#define _MD_SUSPEND_CPU (_PR_MD_SUSPEND_CPU)#define _MD_RESUME_CPU (_PR_MD_RESUME_CPU)#define _MD_WAKEUP_CPUS (_PR_MD_WAKEUP_CPUS)#define _MD_BEGIN_SUSPEND_ALL()#define _MD_BEGIN_RESUME_ALL()#define _MD_END_SUSPEND_ALL()#define _MD_END_RESUME_ALL()/* --- Lock stuff --- */#define _PR_LOCK _MD_LOCK#define _PR_UNLOCK _MD_UNLOCK#ifdef USE_RAMSEM#define _MD_NEW_LOCK (_PR_MD_NEW_LOCK)#define _MD_FREE_LOCK(lock) (DosCloseEventSem(((PRAMSEM)(&((lock)->mutex)))->hevSem))#define _MD_LOCK(lock) (SemRequest486(&((lock)->mutex), -1))#define _MD_TEST_AND_LOCK(lock) (SemRequest486(&((lock)->mutex), -1),0)#define _MD_UNLOCK(lock) \ PR_BEGIN_MACRO \ if (0 != (lock)->notified.length) { \ md_UnlockAndPostNotifies((lock), NULL, NULL); \ } else { \ SemReleasex86( &(lock)->mutex, 0 ); \ } \ PR_END_MACRO#else#define _MD_NEW_LOCK (_PR_MD_NEW_LOCK)#define _MD_FREE_LOCK(lock) (DosCloseMutexSem((lock)->mutex))#define _MD_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT))#define _MD_TEST_AND_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT),0)#define _MD_UNLOCK(lock) \ PR_BEGIN_MACRO \ if (0 != (lock)->notified.length) { \ md_UnlockAndPostNotifies((lock), NULL, NULL); \ } else { \ DosReleaseMutexSem((lock)->mutex); \ } \ PR_END_MACRO#endif/* --- lock and cv waiting --- */#define _MD_WAIT (_PR_MD_WAIT)#define _MD_WAKEUP_WAITER (_PR_MD_WAKEUP_WAITER)/* --- CVar ------------------- */#define _MD_WAIT_CV (_PR_MD_WAIT_CV)#define _MD_NEW_CV (_PR_MD_NEW_CV)#define _MD_FREE_CV (_PR_MD_FREE_CV)#define _MD_NOTIFY_CV (_PR_MD_NOTIFY_CV )#define _MD_NOTIFYALL_CV (_PR_MD_NOTIFYALL_CV) /* XXXMB- the IOQ stuff is certainly not working correctly yet. *//* extern struct _MDLock _pr_ioq_lock; */#define _MD_IOQ_LOCK() #define _MD_IOQ_UNLOCK() /* --- Initialization stuff --- */#define _MD_START_INTERRUPTS()#define _MD_STOP_INTERRUPTS()#define _MD_DISABLE_CLOCK_INTERRUPTS()#define _MD_ENABLE_CLOCK_INTERRUPTS()#define _MD_BLOCK_CLOCK_INTERRUPTS()#define _MD_UNBLOCK_CLOCK_INTERRUPTS()#define _MD_EARLY_INIT (_PR_MD_EARLY_INIT)#define _MD_FINAL_INIT()#define _MD_INIT_CPUS()#define _MD_INIT_RUNNING_CPU(cpu)struct PRProcess;struct PRProcessAttr;#define _MD_CREATE_PROCESS _PR_CreateOS2Processextern struct PRProcess * _PR_CreateOS2Process( const char *path, char *const *argv, char *const *envp, const struct PRProcessAttr *attr);#define _MD_DETACH_PROCESS _PR_DetachOS2Processextern PRStatus _PR_DetachOS2Process(struct PRProcess *process);/* --- Wait for a child process to terminate --- */#define _MD_WAIT_PROCESS _PR_WaitOS2Processextern PRStatus _PR_WaitOS2Process(struct PRProcess *process, PRInt32 *exitCode);#define _MD_KILL_PROCESS _PR_KillOS2Processextern PRStatus _PR_KillOS2Process(struct PRProcess *process);#define _MD_CLEANUP_BEFORE_EXIT()#define _MD_EXIT (_PR_MD_EXIT)#define _MD_INIT_CONTEXT#define _MD_SWITCH_CONTEXT#define _MD_RESTORE_CONTEXT/* --- Intervals --- */#define _MD_INTERVAL_INIT (_PR_MD_INTERVAL_INIT)#define _MD_GET_INTERVAL (_PR_MD_GET_INTERVAL)#define _MD_INTERVAL_PER_SEC (_PR_MD_INTERVAL_PER_SEC)#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)/* --- Native-Thread Specific Definitions ------------------------------- */typedef struct __NSPR_TLS{ struct PRThread *_pr_thread_last_run; struct PRThread *_pr_currentThread; struct _PRCPU *_pr_currentCPU;} _NSPR_TLS;extern _NSPR_TLS* pThreadLocalStorage;NSPR_API(void) _PR_MD_ENSURE_TLS(void);#define _MD_CURRENT_THREAD() pThreadLocalStorage->_pr_currentThread#define _MD_SET_CURRENT_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentThread = (_thread)#define _MD_LAST_THREAD() pThreadLocalStorage->_pr_thread_last_run#define _MD_SET_LAST_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_thread_last_run = (_thread)#define _MD_CURRENT_CPU() pThreadLocalStorage->_pr_currentCPU#define _MD_SET_CURRENT_CPU(_cpu) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentCPU = (_cpu)/* lth. #define _MD_SET_INTSOFF(_val) (_pr_ints_off = (_val)) *//* lth. #define _MD_GET_INTSOFF() _pr_ints_off *//* lth. #define _MD_INCREMENT_INTSOFF() (_pr_ints_off++) *//* lth. #define _MD_DECREMENT_INTSOFF() (_pr_ints_off--) *//* --- Scheduler stuff --- */#define LOCK_SCHEDULER() 0#define UNLOCK_SCHEDULER() 0#define _PR_LockSched() 0#define _PR_UnlockSched() 0/* --- Initialization stuff --- */#define _MD_INIT_LOCKS()/* --- Stack stuff --- */#define _MD_INIT_STACK(stack, redzone)#define _MD_CLEAR_STACK(stack)/* --- Memory-mapped files stuff --- not implemented on OS/2 */struct _MDFileMap { PRInt8 unused;};extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);#define _MD_CREATE_FILE_MAP _MD_CreateFileMapextern PRInt32 _MD_GetMemMapAlignment(void);#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignmentextern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset, PRUint32 len);#define _MD_MEM_MAP _MD_MemMapextern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);#define _MD_MEM_UNMAP _MD_MemUnmapextern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap/* Some stuff for setting up thread contexts */typedef ULONG DWORD, *PDWORD;/* The following definitions and two structures are new in OS/2 Warp 4.0. */#ifndef CONTEXT_CONTROL#define CONTEXT_CONTROL 0x00000001#define CONTEXT_INTEGER 0x00000002#define CONTEXT_SEGMENTS 0x00000004#define CONTEXT_FLOATING_POINT 0x00000008#define CONTEXT_FULL 0x0000000F#pragma pack(2)typedef struct _FPREG { ULONG losig; /* Low 32-bits of the significand. */ ULONG hisig; /* High 32-bits of the significand. */ USHORT signexp; /* Sign and exponent. */} FPREG;typedef struct _CONTEXTRECORD { ULONG ContextFlags; ULONG ctx_env[7]; FPREG ctx_stack[8]; ULONG ctx_SegGs; /* GS register. */ ULONG ctx_SegFs; /* FS register. */ ULONG ctx_SegEs; /* ES register. */ ULONG ctx_SegDs; /* DS register. */ ULONG ctx_RegEdi; /* EDI register. */ ULONG ctx_RegEsi; /* ESI register. */ ULONG ctx_RegEax; /* EAX register. */ ULONG ctx_RegEbx; /* EBX register. */ ULONG ctx_RegEcx; /* ECX register. */ ULONG ctx_RegEdx; /* EDX register. */ ULONG ctx_RegEbp; /* EBP register. */ ULONG ctx_RegEip; /* EIP register. */ ULONG ctx_SegCs; /* CS register. */ ULONG ctx_EFlags; /* EFLAGS register. */ ULONG ctx_RegEsp; /* ESP register. */ ULONG ctx_SegSs; /* SS register. */} CONTEXTRECORD, *PCONTEXTRECORD;#pragma pack()#endifextern APIRET (* APIENTRY QueryThreadContext)(TID, ULONG, PCONTEXTRECORD);unsigned long _System _DLL_InitTerm( unsigned long mod_handle, unsigned long flag);/*#define _pr_tid (((PTIB2)_getTIBvalue(offsetof(TIB, tib_ptib2)))->tib2_ultid)#define _pr_current_Thread (_system_tls[_pr_tid-1].__pr_current_thread)*//* Some simple mappings of Windows API's to OS/2 API's to make our lives a * little bit easier. Only add one here if it is a DIRECT mapping. We are * not emulating anything. Just mapping. */#define FreeLibrary(x) DosFreeModule((HMODULE)x)#define OutputDebugString(x) extern int _MD_os2_get_nonblocking_connect_error(int osfd);#endif /* nspr_os2_defs_h___ */⌨️ 快捷键说明
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