_os2.h
上传用户:goldcmy89
上传日期:2017-12-03
资源大小:2246k
文件大小:21k
- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the Netscape Portable Runtime (NSPR).
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998-2000
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef nspr_os2_defs_h___
- #define nspr_os2_defs_h___
- #ifndef NO_LONG_LONG
- #define INCL_LONGLONG
- #endif
- #define INCL_DOS
- #define INCL_DOSPROCESS
- #define INCL_DOSERRORS
- #define INCL_WIN
- #define INCL_WPS
- #include <os2.h>
- #include <sys/select.h>
- #include "prio.h"
- #include <errno.h>
- #ifdef XP_OS2_VACPP
- /* TODO RAMSEMs need to be written for GCC/EMX */
- #define USE_RAMSEM
- #endif
- #ifdef USE_RAMSEM
- #pragma pack(4)
- #pragma pack(2)
- typedef struct _RAMSEM
- {
- ULONG ulTIDPID;
- ULONG hevSem;
- ULONG cLocks;
- USHORT cWaiting;
- USHORT cPosts;
- } RAMSEM, *PRAMSEM;
- typedef struct _CRITICAL_SECTION
- {
- ULONG ulReserved[4]; /* Same size as RAMSEM */
- } CRITICAL_SECTION, *PCRITICAL_SECTION, *LPCRITICAL_SECTION;
- #pragma pack(4)
- APIRET _Optlink SemRequest486(PRAMSEM, ULONG);
- APIRET _Optlink SemReleasex86(PRAMSEM, ULONG);
- #endif
- /*
- * Internal configuration macros
- */
- #define PR_LINKER_ARCH "os2"
- #define _PR_SI_SYSNAME "OS2"
- #define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
- #define HAVE_DLL
- #define _PR_GLOBAL_THREADS_ONLY
- #undef HAVE_THREAD_AFFINITY
- #define _PR_HAVE_THREADSAFE_GETHOST
- #define _PR_HAVE_ATOMIC_OPS
- #define HANDLE unsigned long
- #define HINSTANCE HMODULE
- /* --- Common User-Thread/Native-Thread Definitions --------------------- */
- /* --- Globals --- */
- extern struct PRLock *_pr_schedLock;
- /* --- Typedefs --- */
- typedef void (*FiberFunc)(void *);
- #define PR_NUM_GCREGS 8
- typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
- #define GC_VMBASE 0x40000000
- #define GC_VMLIMIT 0x00FFFFFF
- typedef int (*FARPROC)();
- #define _MD_MAGIC_THREAD 0x22222222
- #define _MD_MAGIC_THREADSTACK 0x33333333
- #define _MD_MAGIC_SEGMENT 0x44444444
- #define _MD_MAGIC_DIR 0x55555555
- #define _MD_MAGIC_CV 0x66666666
- struct _MDSemaphore {
- HEV sem;
- };
- struct _MDCPU {
- int unused;
- };
- struct _MDThread {
- HEV blocked_sema; /* Threads block on this when waiting
- * for IO or CondVar.
- */
- PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the
- * wait queue of some cond var.
- * PR_FALSE otherwise. */
- TID handle; /* OS/2 thread handle */
- void *sp; /* only valid when suspended */
- PRUint32 magic; /* for debugging */
- PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
- struct PRThread *prev, *next; /* used by the cvar wait queue to
- * chain the PRThread structures
- * together */
- };
- struct _MDThreadStack {
- PRUint32 magic; /* for debugging */
- };
- struct _MDSegment {
- PRUint32 magic; /* for debugging */
- };
- #undef PROFILE_LOCKS
- struct _MDDir {
- HDIR d_hdl;
- union {
- FILEFINDBUF3 small;
- FILEFINDBUF3L large;
- } d_entry;
- PRBool firstEntry; /* Is this the entry returned
- * by FindFirstFile()? */
- PRUint32 magic; /* for debugging */
- };
- struct _MDCVar {
- PRUint32 magic;
- struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly-
- * linked list of threads
- * waiting on this condition
- * variable */
- PRIntn nwait; /* number of threads in the
- * wait queue */
- };
- #define _MD_CV_NOTIFIED_LENGTH 6
- typedef struct _MDNotified _MDNotified;
- struct _MDNotified {
- PRIntn length; /* # of used entries in this
- * structure */
- struct {
- struct _MDCVar *cv; /* the condition variable notified */
- PRIntn times; /* and the number of times notified */
- struct PRThread *notifyHead; /* list of threads to wake up */
- } cv[_MD_CV_NOTIFIED_LENGTH];
- _MDNotified *link; /* link to another of these, or NULL */
- };
- struct _MDLock {
- #ifdef USE_RAMSEM
- CRITICAL_SECTION mutex; /* this is recursive on NT */
- #else
- HMTX mutex; /* this is recursive on NT */
- #endif
- /*
- * When notifying cvars, there is no point in actually
- * waking up the threads waiting on the cvars until we've
- * released the lock. So, we temporarily record the cvars.
- * When doing an unlock, we'll then wake up the waiting threads.
- */
- struct _MDNotified notified; /* array of conditions notified */
- #ifdef PROFILE_LOCKS
- PRInt32 hitcount;
- PRInt32 misscount;
- #endif
- };
- struct _MDFileDesc {
- PRInt32 osfd; /* The osfd can come from one of three spaces:
- * - For stdin, stdout, and stderr, we are using
- * the libc file handle (0, 1, 2), which is an int.
- * - For files and pipes, we are using OS/2 handles,
- * which is a void*.
- * - For sockets, we are using int
- */
- };
- struct _MDProcess {
- PID pid;
- };
- /* --- Misc stuff --- */
- #define _MD_GET_SP(thread) (thread)->md.gcContext[6]
- /* --- IO stuff --- */
- #define _MD_OPEN (_PR_MD_OPEN)
- #define _MD_OPEN_FILE (_PR_MD_OPEN)
- #define _MD_READ (_PR_MD_READ)
- #define _MD_WRITE (_PR_MD_WRITE)
- #define _MD_WRITEV (_PR_MD_WRITEV)
- #define _MD_LSEEK (_PR_MD_LSEEK)
- #define _MD_LSEEK64 (_PR_MD_LSEEK64)
- extern PRInt32 _MD_CloseFile(PRInt32 osfd);
- #define _MD_CLOSE_FILE _MD_CloseFile
- #define _MD_GETFILEINFO (_PR_MD_GETFILEINFO)
- #define _MD_GETFILEINFO64 (_PR_MD_GETFILEINFO64)
- #define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO)
- #define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64)
- #define _MD_STAT (_PR_MD_STAT)
- #define _MD_RENAME (_PR_MD_RENAME)
- #define _MD_ACCESS (_PR_MD_ACCESS)
- #define _MD_DELETE (_PR_MD_DELETE)
- #define _MD_MKDIR (_PR_MD_MKDIR)
- #define _MD_MAKE_DIR (_PR_MD_MKDIR)
- #define _MD_RMDIR (_PR_MD_RMDIR)
- #define _MD_LOCKFILE (_PR_MD_LOCKFILE)
- #define _MD_TLOCKFILE (_PR_MD_TLOCKFILE)
- #define _MD_UNLOCKFILE (_PR_MD_UNLOCKFILE)
- /* --- Socket IO stuff --- */
- /* The ones that don't map directly may need to be re-visited... */
- #ifdef XP_OS2_VACPP
- #define EPIPE EBADF
- #define EIO ECONNREFUSED
- #endif
- #define _MD_EACCES EACCES
- #define _MD_EADDRINUSE EADDRINUSE
- #define _MD_EADDRNOTAVAIL EADDRNOTAVAIL
- #define _MD_EAFNOSUPPORT EAFNOSUPPORT
- #define _MD_EAGAIN EWOULDBLOCK
- #define _MD_EALREADY EALREADY
- #define _MD_EBADF EBADF
- #define _MD_ECONNREFUSED ECONNREFUSED
- #define _MD_ECONNRESET ECONNRESET
- #define _MD_EFAULT SOCEFAULT
- #define _MD_EINPROGRESS EINPROGRESS
- #define _MD_EINTR EINTR
- #define _MD_EINVAL EINVAL
- #define _MD_EISCONN EISCONN
- #define _MD_ENETUNREACH ENETUNREACH
- #define _MD_ENOENT ENOENT
- #define _MD_ENOTCONN ENOTCONN
- #define _MD_ENOTSOCK ENOTSOCK
- #define _MD_EOPNOTSUPP EOPNOTSUPP
- #define _MD_EWOULDBLOCK EWOULDBLOCK
- #define _MD_GET_SOCKET_ERROR() sock_errno()
- #ifndef INADDR_LOOPBACK /* For some reason this is not defined in OS2 tcpip */
- /* #define INADDR_LOOPBACK INADDR_ANY */
- #endif
- #define _MD_INIT_FILEDESC(fd)
- extern void _MD_MakeNonblock(PRFileDesc *f);
- #define _MD_MAKE_NONBLOCK _MD_MakeNonblock
- #define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE)
- #define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE)
- #define _MD_SHUTDOWN (_PR_MD_SHUTDOWN)
- #define _MD_LISTEN _PR_MD_LISTEN
- extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
- #define _MD_CLOSE_SOCKET _MD_CloseSocket
- #define _MD_SENDTO (_PR_MD_SENDTO)
- #define _MD_RECVFROM (_PR_MD_RECVFROM)
- #ifdef XP_OS2_VACPP
- #define _MD_SOCKETPAIR(s, type, proto, sv) -1
- #else
- #define _MD_SOCKETPAIR (_PR_MD_SOCKETPAIR)
- #endif
- #define _MD_GETSOCKNAME (_PR_MD_GETSOCKNAME)
- #define _MD_GETPEERNAME (_PR_MD_GETPEERNAME)
- #define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT)
- #define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT)
- #define _MD_FSYNC _PR_MD_FSYNC
- #define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)
- #ifdef _PR_HAVE_ATOMIC_OPS
- #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
- #endif
- #define _MD_INIT_IO (_PR_MD_INIT_IO)
- #define _MD_PR_POLL (_PR_MD_PR_POLL)
- #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_CreateOS2Process
- extern struct PRProcess * _PR_CreateOS2Process(
- const char *path,
- char *const *argv,
- char *const *envp,
- const struct PRProcessAttr *attr
- );
- #define _MD_DETACH_PROCESS _PR_DetachOS2Process
- extern PRStatus _PR_DetachOS2Process(struct PRProcess *process);
- /* --- Wait for a child process to terminate --- */
- #define _MD_WAIT_PROCESS _PR_WaitOS2Process
- extern PRStatus _PR_WaitOS2Process(struct PRProcess *process,
- PRInt32 *exitCode);
- #define _MD_KILL_PROCESS _PR_KillOS2Process
- extern PRStatus _PR_KillOS2Process(struct PRProcess *process);
- #define _MD_CLEANUP_BEFORE_EXIT()
- #define _MD_EXIT (_PR_MD_EXIT)
- #define _MD_INIT_CONTEXT(_thread, _sp, _main, status)
- PR_BEGIN_MACRO
- *status = PR_TRUE;
- PR_END_MACRO
- #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_GET_ATTACHED_THREAD() pThreadLocalStorage->_pr_currentThread
- extern struct PRThread * _MD_CURRENT_THREAD(void);
- #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_CreateFileMap
- extern PRInt32 _MD_GetMemMapAlignment(void);
- #define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
- extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
- PRUint32 len);
- #define _MD_MEM_MAP _MD_MemMap
- extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
- #define _MD_MEM_UNMAP _MD_MemUnmap
- extern 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()
- #endif
- extern APIRET (* APIENTRY QueryThreadContext)(TID, ULONG, PCONTEXTRECORD);
- /*
- #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___ */