/* -*- 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_win16_defs_h___
#define nspr_win16_defs_h___
#include <windows.h>
#include <winsock.h>
#include <errno.h>
#include <direct.h>
#include "nspr.h"
/* $$ fix this */
#define Remind(x)
/*
* Internal configuration macros
*/
#define PR_LINKER_ARCH "win16"
#define _PR_SI_SYSNAME "WIN16"
#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
#define HAVE_DLL
#define _PR_NO_PREEMPT
#define _PR_LOCAL_THREADS_ONLY
#undef _PR_GLOBAL_THREADS_ONLY
#undef HAVE_THREAD_AFFINITY
#define _PR_HAVE_ATOMIC_OPS
/* --- Common User-Thread/Native-Thread Definitions --------------------- */
extern struct PRLock *_pr_schedLock;
extern char * _pr_top_of_task_stack;
/* --- Typedefs --- */
#define PR_NUM_GCREGS 9
typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
#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 _PRWin16PollDesc
{
PRInt32 osfd;
PRInt16 in_flags;
PRInt16 out_flags;
} _PRWin16PollDesc;
typedef struct PRPollQueue
{
PRCList links; /* for linking PRPollQueue's together */
_PRWin16PollDesc *pds; /* array of poll descriptors */
PRUintn npds; /* length of the array */
PRPackedBool on_ioq; /* is this on the async i/o work q? */
PRIntervalTime timeout; /* timeout, in ticks */
struct PRThread *thr;
} PRPollQueue;
#define _PR_POLLQUEUE_PTR(_qp) \
((PRPollQueue *) ((char*) (_qp) - offsetof(PRPollQueue,links)))
NSPR_API(PRInt32) _PR_WaitForFD(PRInt32 osfd, PRUintn how,
PRIntervalTime timeout);
NSPR_API(void) _PR_Unblock_IO_Wait(struct PRThread *thr);
#define _PR_MD_MAX_OSFD FD_SETSIZE
#define _PR_IOQ(_cpu) ((_cpu)->md.ioQ)
#define _PR_ADD_TO_IOQ(_pq, _cpu) PR_APPEND_LINK(&_pq.links, &_PR_IOQ(_cpu))
#define _PR_FD_READ_SET(_cpu) ((_cpu)->md.fd_read_set)
#define _PR_FD_READ_CNT(_cpu) ((_cpu)->md.fd_read_cnt)
#define _PR_FD_WRITE_SET(_cpu) ((_cpu)->md.fd_write_set)
#define _PR_FD_WRITE_CNT(_cpu) ((_cpu)->md.fd_write_cnt)
#define _PR_FD_EXCEPTION_SET(_cpu) ((_cpu)->md.fd_exception_set)
#define _PR_FD_EXCEPTION_CNT(_cpu) ((_cpu)->md.fd_exception_cnt)
#define _PR_IOQ_TIMEOUT(_cpu) ((_cpu)->md.ioq_timeout)
#define _PR_IOQ_MAX_OSFD(_cpu) ((_cpu)->md.ioq_max_osfd)
struct _MDCPU {
PRCList ioQ;
fd_set fd_read_set, fd_write_set, fd_exception_set;
PRInt16 fd_read_cnt[_PR_MD_MAX_OSFD],fd_write_cnt[_PR_MD_MAX_OSFD],
fd_exception_cnt[_PR_MD_MAX_OSFD];
PRUint32 ioq_timeout;
PRInt32 ioq_max_osfd;
};
struct _MDThread {
/* The overlapped structure must be first! */
HANDLE blocked_sema; /* Threads block on this when waiting
* for IO or CondVar.
*/
PRInt32 errcode; /* preserved errno for this thread */
CATCHBUF context; /* thread context for Throw() */
void *SP; /* Stack pointer, used only by GarbColl */
int threadNumber; /* instrumentation: order of creation */
_PRWin16PollDesc thr_pd; /* poll descriptor for i/o */
PRPollQueue thr_pq; /* i/o parameters */
void *exceptionContext; /* mfc exception context */
char guardBand[24]; /* don't overwrite this */
PRUint32 magic; /* self identifier, for debug */
};
struct _MDThreadStack {
PRUint32 magic; /* for debugging */
PRIntn cxByteCount; /* number of stack bytes to move */
char * stackTop; /* high address on stack */
};
struct _MDSegment {
PRUint32 magic; /* for debugging */
};
struct _MDLock {
PRUint32 magic; /* for debugging */
PRUint32 mutex;
};
struct _MDDir {
PRUint32 magic; /* for debugging */
struct dirent *dir;
};
struct _MDCVar {
PRUint32 magic;
};
struct _MDSemaphore {
PRInt32 unused;
};
struct _MDFileDesc {
PRInt32 osfd;
};
struct _MDProcess {
HANDLE handle;
DWORD id;
};
/*
** Microsoft 'struct _stat'
** ... taken directly from msvc 1.52c's header file sys/stat.h
** see PR_Stat() implemented in w16io.c
** See BugSplat: 98516
*/
#pragma pack(push)
#pragma pack(2)
typedef unsigned short _ino_t;
typedef short _dev_t;
typedef long _off_t;
typedef struct _MDMSStat {
_dev_t st_dev;
_ino_t st_ino;
unsigned short st_mode;
short st_nlink;
short st_uid;
short st_gid;
_dev_t st_rdev;
_off_t st_size;
time_t st_atime;
time_t st_mtime;
time_t st_ctime;
} _MDMSStat;
#pragma pack(pop)
/* --- Errors --- */
/* These are NSPR generated error codes which need to be unique from
* OS error codes.
*/
#define _MD_UNIQUEBASE 50000
#define _MD_EINTERRUPTED _MD_UNIQUEBASE + 1
#define _MD_ETIMEDOUT _MD_UNIQUEBASE + 2
#define _MD_EIO _MD_UNIQUEBASE + 3
struct PRProcess;
struct PRProcessAttr;
/* --- Create a new process --- */
#define _MD_CREATE_PROCESS _PR_CreateWindowsProcess
extern struct PRProcess * _PR_CreateWindowsProcess(
const char *path,
char *const *argv,
char *const *envp,
const struct PRProcessAttr *attr
);
#define _MD_DETACH_PROCESS _PR_DetachWindowsProcess
extern PRStatus _PR_DetachWindowsProcess(struct PRProcess *process);
/* --- Wait for a child process to terminate --- */
#define _MD_WAIT_PROCESS _PR_WaitWindowsProcess
extern PRStatus _PR_WaitWindowsProcess(struct PRProcess *process,
PRInt32 *exitCode);
#define _MD_KILL_PROCESS _PR_KillWindowsProcess
extern PRStatus _PR_KillWindowsProcess(struct PRProcess *process);
/* --- Misc stuff --- */
#define MD_ASSERTINT( x ) PR_ASSERT( (x) < 65535 )
/* --- IO stuff --- */
#define MAX_PATH 256
#define _MD_ERRNO() errno
#define GetLastError() errno
#define _MD_GET_FILE_ERROR() errno
#define _MD_SET_FILE_ERROR(_err) errno = (_err)
#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
#define _MD_CLOSE_FILE _PR_MD_CLOSE_FILE
#define _MD_GETFILEINFO _PR_MD_GETFILEINFO
#define _MD_GETOPENFILEINFO _PR_MD_GETOPENFILEINFO
#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 WSAEACCES
#define _MD_EADDRINUSE WSAEADDRINUSE
#define _MD_EADDRNOTAVAIL WSAEADDRNOTAVAIL
#define _MD_EAFNOSUPPORT WSAEAFNOSUPPORT
#define _MD_EAGAIN WSAEWOULDBLOCK
#define _MD_EALREADY WSAEALREADY
#define _MD_EBADF WSAEBADF
#define _MD_ECONNREFUSED WSAECONNREFUSED
#define _MD_ECONNRESET WSAECONNRESET
#define _MD_EFAULT WSAEFAULT
#define _MD_EINPROGRESS WSAEINPROGRESS
#define _MD_EINTR WSAEINTR
#define _MD_EINVAL EINVAL
#define _MD_EISCONN WSAEISCONN
#define _MD_ENETUNREACH WSAENETUNREACH
#define _MD_ENOENT ENOENT
#define _MD_ENOTCONN WSAENOTCONN
#define _MD_ENOTSOCK WSAENOTSOCK
#define _MD_EOPNOTSUPP WSAEOPNOTSUPP
#define _MD_EWOULDBLOCK WSAEWOULDBLOCK
#define _MD_GET_SOCKET_ERROR() WSAGetLastError()
#define _MD_SET_SOCKET_ERROR(_err) WSASetLastError(_err)
#define _MD_INIT_FILEDESC(fd)
#define _MD_MAKE_NONBLOCK _PR_MD_MAKE_NONBLOCK
#define _MD_SHUTDOWN _PR_MD_SHUTDOWN
#define _MD_LISTEN _PR_MD_LISTEN
#define _MD_CLOSE_SOCKET _PR_MD_CLOSE_SOCKET
#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_SOCKETAVAILABLE _PR_MD_SOCKETAVAILABLE
#define _MD_INIT_ATOMIC()
#define _MD_ATOMIC_INCREMENT(x) (*x++)
#define _MD_ATOMIC_ADD(ptr, val) ((*x) += val)
#define _MD_ATOMIC_DECREMENT(x) (*x--)
#define _MD_ATOMIC_SET(x,y) (*x, y)
#define _MD_INIT_IO _PR_MD_INIT_IO
/* win95 doesn't have async IO */
#define _MD_SOCKET _PR_MD_SOCKET
#define _MD_CONNECT _PR_MD_CONNECT
#define _MD_ACCEPT _PR_MD_ACCEPT
#define _MD_BIND _PR_MD_BIND
#define _MD_RECV _PR_MD_RECV
#define _MD_SEND _PR_MD_SEND
#define _MD_CHECK_FOR_EXIT()
/* --- Scheduler stuff --- */
#define _MD_PAUSE_CPU _PR_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_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 _MD_AllocSegment
#define _MD_FREE_SEGMENT _MD_FreeSegment
/* --- 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_CREATE_THREAD(t,f,p,sc,st,stsiz) (PR_SUCCESS)
#define _MD_YIELD _PR_MD_YIELD
#define _MD_SET_PRIORITY(t,p)
#define _MD_CLEAN_THREAD(t)
#define _MD_SETTHREADAFFINITYMASK _PR_MD_SETTHREADAFFINITYMASK
#define _MD_GETTHREADAFFINITYMASK _PR_MD_GETTHREADAFFINITYMASK
#define _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_BEGIN_SUSPEND_ALL()
#define _MD_BEGIN_RESUME_ALL()
#define _MD_END_SUSPEND_ALL()
#define _MD_END_RESUME_ALL()
/* --- Lock stuff --- */
/*
** Win16 does not need MD locks.
*/
#define _PR_LOCK _MD_LOCK
#define _PR_UNLOCK _MD_UNLOCK
#define _MD_NEW_LOCK(l) (PR_SUCCESS)
#define _MD_FREE_LOCK(l)
#define _MD_LOCK(l)
#define _MD_TEST_AND_LOCK(l) (-1)
#define _MD_UNLOCK(l)
/* --- lock and cv waiting --- */
#define _MD_WAIT _PR_MD_WAIT
#define _MD_WAKEUP_WAITER(a)
#define _MD_WAKEUP_CPUS _PR_MD_WAKEUP_CPUS
/* --- 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. */
#define _MD_IOQ_LOCK()
#define _MD_IOQ_UNLOCK()
/* --- Initialization stuff --- */
NSPR_API(void) _MD_INIT_RUNNING_CPU(struct _PRCPU *cpu );
#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 _PR_MD_FINAL_INIT
#define _MD_INIT_CPUS()
/* --- User Threading stuff --- */
#define _MD_EXIT
#define _MD_CLEANUP_BEFORE_EXIT _PR_MD_CLEANUP_BEFORE_EXIT
/* --- 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)
/* --- 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 _PR_MD_INIT_STACK
#define _MD_CLEAR_STACK(stack)
/*
** Watcom needs to see this to make the linker work.
**
*/
NSPR_API(void) _PR_NativeDestroyThread(PRThread *thread);
NSPR_API(void) _PR_UserDestroyThread(PRThread *thread);
/*
** If thread emulation is used, then setjmp/longjmp stores the register
** state of each thread.
**
** CatchBuf layout:
** context[0] - IP
** context[1] - CS
** context[2] - SP
** context[3] - BP
** context[4] - SI
** context[5] - DI
** context[6] - DS
** context[7] - ?? (maybe flags)
** context[8] - SS
*/
#define PR_CONTEXT_TYPE CATCHBUF
#define PR_NUM_GCREGS 9
#define _MD_GET_SP(thread) ((thread)->md.SP)
#define CONTEXT(_t) ((_t)->md.context)
/*
** Initialize a thread context to run "e(o,a)" when started
*/
#define _MD_INIT_CONTEXT(_t, sp, epa, stat ) \
{ \
*(stat) = PR_TRUE; \
Catch((_t)->md.context ); \
(_t)->md.context[0] = OFFSETOF(epa); \
(_t)->md.context[1] = SELECTOROF(epa); \
(_t)->md.context[2] = OFFSETOF(_pr_top_of_task_stack - 64); \
(_t)->md.context[3] = 0; \
}
#define _MD_SWITCH_CONTEXT(_t) \
if (!Catch((_t)->md.context)) { \
int garbCollPlaceHolder; \
(_t)->md.errcode = errno; \
(_t)->md.SP = &garbCollPlaceHolder; \
_PR_Schedule(); \
}
#define _MD_SAVE_CONTEXT(_t) \
{ \
int garbCollPlaceHolder; \
Catch((_t)->md.context); \
(_t)->md.errcode = errno; \
(_t)->md.SP = &garbCollPlaceHolder; \
}
/*
** Restore a thread context, saved by _MD_SWITCH_CONTEXT
*/
#define _PR_MD_RESTORE_CONTEXT _MD_RESTORE_CONTEXT
/*
* Memory-mapped files
*/
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
/* --- Error mapping ----------------------------------- */
extern void _PR_MD_map_error( int err );
#define _PR_MD_MAP_OPENDIR_ERROR _PR_MD_map_error
#define _PR_MD_MAP_CLOSEDIR_ERROR _PR_MD_map_error
#define _PR_MD_MAP_READDIR_ERROR _PR_MD_map_error
#define _PR_MD_MAP_DELETE_ERROR _PR_MD_map_error
#define _PR_MD_MAP_STAT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_FSTAT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_RENAME_ERROR _PR_MD_map_error
#define _PR_MD_MAP_ACCESS_ERROR _PR_MD_map_error
#define _PR_MD_MAP_MKDIR_ERROR _PR_MD_map_error
#define _PR_MD_MAP_RMDIR_ERROR _PR_MD_map_error
#define _PR_MD_MAP_READ_ERROR _PR_MD_map_error
#define _PR_MD_MAP_TRANSMITFILE_ERROR _PR_MD_map_error
#define _PR_MD_MAP_WRITE_ERROR _PR_MD_map_error
#define _PR_MD_MAP_LSEEK_ERROR _PR_MD_map_error
#define _PR_MD_MAP_FSYNC_ERROR _PR_MD_map_error
#define _PR_MD_MAP_CLOSE_ERROR _PR_MD_map_error
#define _PR_MD_MAP_SOCKET_ERROR _PR_MD_map_error
#define _PR_MD_MAP_RECV_ERROR _PR_MD_map_error
#define _PR_MD_MAP_RECVFROM_ERROR _PR_MD_map_error
#define _PR_MD_MAP_SEND_ERROR _PR_MD_map_error
#define _PR_MD_MAP_SENDTO_ERROR _PR_MD_map_error
#define _PR_MD_MAP_ACCEPT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_ACCEPTEX_ERROR _PR_MD_map_error
#define _PR_MD_MAP_CONNECT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_BIND_ERROR _PR_MD_map_error
#define _PR_MD_MAP_LISTEN_ERROR _PR_MD_map_error
#define _PR_MD_MAP_SHUTDOWN_ERROR _PR_MD_map_error
#define _PR_MD_MAP_GETSOCKNAME_ERROR _PR_MD_map_error
#define _PR_MD_MAP_GETPEERNAME_ERROR _PR_MD_map_error
#define _PR_MD_MAP_GETSOCKOPT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_SETSOCKOPT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_OPEN_ERROR _PR_MD_map_error
#define _PR_MD_MAP_GETHOSTNAME_ERROR _PR_MD_map_error
#define _PR_MD_MAP_SELECT_ERROR _PR_MD_map_error
#define _PR_MD_MAP_LOCKF_ERROR _PR_MD_map_error
#define _PR_MD_MAP_WSASTARTUP_ERROR _PR_MD_map_error
#endif /* nspr_win16_defs_h___ */