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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
#define TID OS2TID /* global rename in OS2 H's! */
#include <os2.h>
#undef TID /* and restore */
#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
/*********************************************
/* We don't have atomic ops on OS/2 natively */
/* #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
#define CALLBACK
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. */
OS2TID 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 {
HMTX 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 --- */
/* The ones that don't map directly may need to be re-visited... */
#define EPIPE EBADF
#define EIO ECONNREFUSED
#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
#define _MD_INIT_ATOMIC _PR_MD_INIT_ATOMIC
#define _MD_ATOMIC_INCREMENT(x) _PR_MD_ATOMIC_INCREMENT(x)
#define _MD_ATOMIC_DECREMENT(x) _PR_MD_ATOMIC_DECREMENT(x)
#define _MD_ATOMIC_SET(x,y) _PR_MD_ATOMIC_SET(x, 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) (DosCreateMutexSem(0, &((lock)->mutex), 0, 0),(lock)->notified.length=0,(lock)->notified.link=NULL,PR_SUCCESS)
#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),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
{
struct PRThread *_pr_thread_last_run;
struct 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)
/* --- 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 */
#undef DWORD
#undef PDWORD
typedef unsigned long DWORD;
typedef unsigned long *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)(OS2TID, 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)
#define OutputDebugString(str) ;
#endif /* nspr_os2_defs_h___ */
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