/* -*- 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 #include #include #include #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___ */