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- /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /*
- * The contents of this file are subject to the Netscape Public License
- * Version 1.0 (the "NPL"); you may not use this file except in
- * compliance with the NPL. You may obtain a copy of the NPL at
- * http://www.mozilla.org/NPL/
- *
- * Software distributed under the NPL is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
- * for the specific language governing rights and limitations under the
- * NPL.
- *
- * The Initial Developer of this code under the NPL is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1998 Netscape Communications Corporation. All Rights
- * Reserved.
- */
-
- #ifndef nspr_os2_defs_h___
- #define nspr_os2_defs_h___
-
- #define INCL_DOS
- #define INCL_DOSERRORS
- #define INCL_WIN
- #define INCL_WPS
- #include <os2.h>
- #include <sys/select.h>
-
- #include "prio.h"
-
- #include <errno.h>
-
- /*
- * 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
- #undef HAVE_THREAD_AFFINITY
- #define HAVE_SOCKET_REUSEADDR
- #define HAVE_SOCKET_KEEPALIVE
- #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
-
- #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
-
- typedef struct _MDSemaphore
- {
- HEV sem;
- } MDSEM;
-
- struct _MDCPU {
- int unused;
- };
-
- struct _MDThread {
- MDSEM 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;
- FILEFINDBUF3 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 {
- CRITICAL_SECTION mutex; /* this is recursive on NT */
-
- /*
- * 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_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_GETOPENFILEINFO _PR_MD_GETOPENFILEINFO
- #define _MD_GETOPENFILEINFO64(a, b) _PR_MD_GETOPENFILEINFO64(a, b)
- #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_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 --- */
- #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
-
- extern void _MD_MakeNonblock(PRFileDesc *f);
- #define _MD_MAKE_NONBLOCK _MD_MakeNonblock
- #define _MD_SHUTDOWN _PR_MD_SHUTDOWN
- #define _MD_LISTEN(s, backlog) listen(s->secret->md.osfd,backlog)
- extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
- #define _MD_CLOSE_SOCKET _MD_CloseSocket
- #define _MD_SENDTO _PR_MD_SENDTO
- #define _MD_RECVFROM _PR_MD_RECVFROM
- #define _MD_SOCKETPAIR(s, type, proto, sv) -1
- #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_SELECT select
- #define _MD_FSYNC _PR_MD_FSYNC
-
- long _System InterlockedIncrement(PLONG);
- long _System InterlockedDecrement(PLONG);
- long _System InterlockedExchange(PLONG, LONG);
-
- #define _MD_INIT_ATOMIC()
- #define _MD_ATOMIC_INCREMENT(x) InterlockedIncrement((PLONG)x)
- #define _MD_ATOMIC_DECREMENT(x) InterlockedDecrement((PLONG)x)
- #define _MD_ATOMIC_SET(x,y) InterlockedExchange((PLONG)x, (LONG)y)
-
- #define _MD_INIT_IO _PR_MD_INIT_IO
- #define _MD_TRANSMITFILE _PR_MD_TRANSMITFILE
-
-
- /* 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_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 32767L
- #define _MD_INIT_THREAD _PR_MD_INIT_THREAD
- #define _MD_INIT_ATTACHED_THREAD _PR_MD_INIT_THREAD
- #define _MD_INIT_PRIMORDIAL_THREAD _PR_MD_INIT_PRIMORDIAL_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
-
- #define _MD_NEW_LOCK(lock) (InitializeCriticalSection(&((lock)->mutex)),(lock)->notified.length=0,(lock)->notified.link=NULL,PR_SUCCESS)
- #define _MD_FREE_LOCK(lock) DeleteCriticalSection(&((lock)->mutex))
- #define _MD_LOCK(lock) EnterCriticalSection(&((lock)->mutex))
- #define _MD_TEST_AND_LOCK(lock) (EnterCriticalSection(&((lock)->mutex)),PR_SUCCESS)
- #define _MD_UNLOCK _PR_MD_UNLOCK
-
- /* --- 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_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_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
- {
- PRThread *_pr_thread_last_run;
- PRThread *_pr_currentThread;
- struct _PRCPU *_pr_currentCPU;
- } _NSPR_TLS;
-
- extern _NSPR_TLS* pThreadLocalStorage;
- PR_IMPLEMENT(void) _PR_MD_ENSURE_TLS();
-
- #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_CreateFileMap
-
- 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(x)
-
- #endif /* nspr_os2_defs_h___ */
-