зеркало из https://github.com/mozilla/pjs.git
542 строки
20 KiB
C
542 строки
20 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the
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* terms of the GNU General Public License Version 2 or later (the
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* "GPL"), in which case the provisions of the GPL are applicable
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* instead of those above. If you wish to allow use of your
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* version of this file only under the terms of the GPL and not to
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* allow others to use your version of this file under the MPL,
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* indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by
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* the GPL. If you do not delete the provisions above, a recipient
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* may use your version of this file under either the MPL or the
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* GPL.
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*/
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#ifndef nspr_os2_defs_h___
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#define nspr_os2_defs_h___
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#define INCL_DOS
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#define INCL_DOSPROCESS
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#define INCL_DOSERRORS
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#define INCL_WIN
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#define INCL_WPS
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#include <os2.h>
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#include <sys/select.h>
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#include "prio.h"
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#include <errno.h>
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#ifdef XP_OS2_EMX
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/*
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* EMX-specific tweaks:
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* o Use stricmp instead of strcmpi.
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* o Use errno rather than sock_errno()
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* o Use close rather than soclose
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* o Ignore sock_init calls.
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*/
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#define strcmpi stricmp
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#define sock_errno() errno
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#define soclose close
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#define sock_init()
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#endif
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/*
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* Internal configuration macros
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*/
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#define PR_LINKER_ARCH "os2"
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#define _PR_SI_SYSNAME "OS2"
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#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
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#define HAVE_DLL
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#undef HAVE_THREAD_AFFINITY
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#undef _PR_HAVE_ATOMIC_OPS
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#define HANDLE unsigned long
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#define HINSTANCE HMODULE
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/* --- Common User-Thread/Native-Thread Definitions --------------------- */
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/* --- Globals --- */
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extern struct PRLock *_pr_schedLock;
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/* --- Typedefs --- */
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typedef void (*FiberFunc)(void *);
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#define PR_NUM_GCREGS 8
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typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
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#define GC_VMBASE 0x40000000
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#define GC_VMLIMIT 0x00FFFFFF
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typedef int (*FARPROC)();
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#define _MD_MAGIC_THREAD 0x22222222
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#define _MD_MAGIC_THREADSTACK 0x33333333
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#define _MD_MAGIC_SEGMENT 0x44444444
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#define _MD_MAGIC_DIR 0x55555555
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#define _MD_MAGIC_CV 0x66666666
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typedef struct _MDSemaphore
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{
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HEV sem;
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} MDSEM;
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struct _MDCPU {
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int unused;
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};
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struct _MDThread {
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MDSEM blocked_sema; /* Threads block on this when waiting
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* for IO or CondVar.
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*/
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PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the
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* wait queue of some cond var.
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* PR_FALSE otherwise. */
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TID handle; /* OS/2 thread handle */
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void *sp; /* only valid when suspended */
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PRUint32 magic; /* for debugging */
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PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
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struct PRThread *prev, *next; /* used by the cvar wait queue to
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* chain the PRThread structures
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* together */
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};
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struct _MDThreadStack {
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PRUint32 magic; /* for debugging */
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};
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struct _MDSegment {
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PRUint32 magic; /* for debugging */
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};
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#undef PROFILE_LOCKS
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struct _MDDir {
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HDIR d_hdl;
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FILEFINDBUF3 d_entry;
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PRBool firstEntry; /* Is this the entry returned
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* by FindFirstFile()? */
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PRUint32 magic; /* for debugging */
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};
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struct _MDCVar {
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PRUint32 magic;
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struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly-
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* linked list of threads
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* waiting on this condition
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* variable */
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PRIntn nwait; /* number of threads in the
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* wait queue */
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};
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#define _MD_CV_NOTIFIED_LENGTH 6
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typedef struct _MDNotified _MDNotified;
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struct _MDNotified {
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PRIntn length; /* # of used entries in this
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* structure */
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struct {
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struct _MDCVar *cv; /* the condition variable notified */
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PRIntn times; /* and the number of times notified */
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struct PRThread *notifyHead; /* list of threads to wake up */
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} cv[_MD_CV_NOTIFIED_LENGTH];
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_MDNotified *link; /* link to another of these, or NULL */
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};
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struct _MDLock {
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HMTX mutex; /* this is recursive on NT */
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/*
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* When notifying cvars, there is no point in actually
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* waking up the threads waiting on the cvars until we've
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* released the lock. So, we temporarily record the cvars.
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* When doing an unlock, we'll then wake up the waiting threads.
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*/
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struct _MDNotified notified; /* array of conditions notified */
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#ifdef PROFILE_LOCKS
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PRInt32 hitcount;
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PRInt32 misscount;
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#endif
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};
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struct _MDFileDesc {
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PRInt32 osfd; /* The osfd can come from one of three spaces:
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* - For stdin, stdout, and stderr, we are using
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* the libc file handle (0, 1, 2), which is an int.
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* - For files and pipes, we are using OS/2 handles,
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* which is a void*.
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* - For sockets, we are using int
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*/
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};
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struct _MDProcess {
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PID pid;
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};
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/* --- Misc stuff --- */
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#define _MD_GET_SP(thread) (thread)->md.gcContext[6]
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/* --- IO stuff --- */
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#define _MD_OPEN (_PR_MD_OPEN)
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#define _MD_OPEN_FILE (_PR_MD_OPEN)
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#define _MD_READ (_PR_MD_READ)
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#define _MD_WRITE (_PR_MD_WRITE)
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#define _MD_WRITEV (_PR_MD_WRITEV)
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#define _MD_LSEEK (_PR_MD_LSEEK)
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#define _MD_LSEEK64 (_PR_MD_LSEEK64)
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extern PRInt32 _MD_CloseFile(PRInt32 osfd);
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#define _MD_CLOSE_FILE _MD_CloseFile
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#define _MD_GETFILEINFO (_PR_MD_GETFILEINFO)
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#define _MD_GETFILEINFO64 (_PR_MD_GETFILEINFO64)
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#define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO)
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#define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64)
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#define _MD_STAT (_PR_MD_STAT)
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#define _MD_RENAME (_PR_MD_RENAME)
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#define _MD_ACCESS (_PR_MD_ACCESS)
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#define _MD_DELETE (_PR_MD_DELETE)
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#define _MD_MKDIR (_PR_MD_MKDIR)
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#define _MD_MAKE_DIR (_PR_MD_MKDIR)
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#define _MD_RMDIR (_PR_MD_RMDIR)
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#define _MD_LOCKFILE (_PR_MD_LOCKFILE)
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#define _MD_TLOCKFILE (_PR_MD_TLOCKFILE)
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#define _MD_UNLOCKFILE (_PR_MD_UNLOCKFILE)
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/* --- Socket IO stuff --- */
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/* The ones that don't map directly may need to be re-visited... */
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#ifdef XP_OS2_VACPP
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#define EPIPE EBADF
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#define EIO ECONNREFUSED
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#endif
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#define _MD_EACCES EACCES
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#define _MD_EADDRINUSE EADDRINUSE
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#define _MD_EADDRNOTAVAIL EADDRNOTAVAIL
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#define _MD_EAFNOSUPPORT EAFNOSUPPORT
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#define _MD_EAGAIN EWOULDBLOCK
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#define _MD_EALREADY EALREADY
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#define _MD_EBADF EBADF
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#define _MD_ECONNREFUSED ECONNREFUSED
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#define _MD_ECONNRESET ECONNRESET
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#define _MD_EFAULT SOCEFAULT
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#define _MD_EINPROGRESS EINPROGRESS
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#define _MD_EINTR EINTR
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#define _MD_EINVAL EINVAL
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#define _MD_EISCONN EISCONN
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#define _MD_ENETUNREACH ENETUNREACH
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#define _MD_ENOENT ENOENT
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#define _MD_ENOTCONN ENOTCONN
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#define _MD_ENOTSOCK ENOTSOCK
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#define _MD_EOPNOTSUPP EOPNOTSUPP
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#define _MD_EWOULDBLOCK EWOULDBLOCK
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#define _MD_GET_SOCKET_ERROR() sock_errno()
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#ifndef INADDR_LOOPBACK /* For some reason this is not defined in OS2 tcpip */
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/* #define INADDR_LOOPBACK INADDR_ANY */
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#endif
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#define _MD_INIT_FILEDESC(fd)
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extern void _MD_MakeNonblock(PRFileDesc *f);
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#define _MD_MAKE_NONBLOCK _MD_MakeNonblock
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#define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE)
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#define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE)
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#define _MD_SHUTDOWN (_PR_MD_SHUTDOWN)
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#define _MD_LISTEN(s, backlog) listen(s->secret->md.osfd,backlog)
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extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
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#define _MD_CLOSE_SOCKET _MD_CloseSocket
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#define _MD_SENDTO (_PR_MD_SENDTO)
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#define _MD_RECVFROM (_PR_MD_RECVFROM)
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#define _MD_SOCKETPAIR(s, type, proto, sv) -1
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#define _MD_GETSOCKNAME (_PR_MD_GETSOCKNAME)
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#define _MD_GETPEERNAME (_PR_MD_GETPEERNAME)
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#define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT)
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#define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT)
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#ifdef XP_OS2_EMX
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extern PRInt32 _MD_SELECT(int nfds, fd_set *readfds, fd_set *writefds,
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fd_set *exceptfds, struct timeval *timeout);
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#else
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#define _MD_SELECT select
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#endif
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#define _MD_FSYNC _PR_MD_FSYNC
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#define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)
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#define _MD_INIT_ATOMIC _PR_MD_INIT_ATOMIC
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#define _MD_ATOMIC_INCREMENT(x) _PR_MD_ATOMIC_INCREMENT(x)
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#define _MD_ATOMIC_ADD(x,y) _PR_MD_ATOMIC_ADD(x,y)
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#define _MD_ATOMIC_DECREMENT(x) _PR_MD_ATOMIC_DECREMENT(x)
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#define _MD_ATOMIC_SET(x,y) _PR_MD_ATOMIC_SET(x, y)
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#define _MD_INIT_IO (_PR_MD_INIT_IO)
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#define _MD_PR_POLL (_PR_MD_PR_POLL)
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/* win95 doesn't have async IO */
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#define _MD_SOCKET (_PR_MD_SOCKET)
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extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
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#define _MD_SOCKETAVAILABLE _MD_SocketAvailable
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#define _MD_PIPEAVAILABLE _MD_SocketAvailable
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#define _MD_CONNECT (_PR_MD_CONNECT)
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extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen,
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PRIntervalTime timeout);
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#define _MD_ACCEPT _MD_Accept
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#define _MD_BIND (_PR_MD_BIND)
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#define _MD_RECV (_PR_MD_RECV)
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#define _MD_SEND (_PR_MD_SEND)
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/* --- Scheduler stuff --- */
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/* #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU */
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#define _MD_PAUSE_CPU
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/* --- DIR stuff --- */
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#define PR_DIRECTORY_SEPARATOR '\\'
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#define PR_DIRECTORY_SEPARATOR_STR "\\"
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#define PR_PATH_SEPARATOR ';'
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#define PR_PATH_SEPARATOR_STR ";"
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#define _MD_ERRNO() errno
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#define _MD_OPEN_DIR (_PR_MD_OPEN_DIR)
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#define _MD_CLOSE_DIR (_PR_MD_CLOSE_DIR)
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#define _MD_READ_DIR (_PR_MD_READ_DIR)
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/* --- Segment stuff --- */
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#define _MD_INIT_SEGS()
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#define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0
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#define _MD_FREE_SEGMENT(seg)
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/* --- Environment Stuff --- */
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#define _MD_GET_ENV (_PR_MD_GET_ENV)
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#define _MD_PUT_ENV (_PR_MD_PUT_ENV)
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/* --- Threading Stuff --- */
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#define _MD_DEFAULT_STACK_SIZE 32767L
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#define _MD_INIT_THREAD (_PR_MD_INIT_THREAD)
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#define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_THREAD)
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#define _MD_CREATE_THREAD (_PR_MD_CREATE_THREAD)
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#define _MD_YIELD (_PR_MD_YIELD)
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#define _MD_SET_PRIORITY (_PR_MD_SET_PRIORITY)
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#define _MD_CLEAN_THREAD (_PR_MD_CLEAN_THREAD)
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#define _MD_SETTHREADAFFINITYMASK (_PR_MD_SETTHREADAFFINITYMASK)
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#define _MD_GETTHREADAFFINITYMASK (_PR_MD_GETTHREADAFFINITYMASK)
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#define _MD_EXIT_THREAD (_PR_MD_EXIT_THREAD)
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#define _MD_SUSPEND_THREAD (_PR_MD_SUSPEND_THREAD)
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#define _MD_RESUME_THREAD (_PR_MD_RESUME_THREAD)
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#define _MD_SUSPEND_CPU (_PR_MD_SUSPEND_CPU)
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#define _MD_RESUME_CPU (_PR_MD_RESUME_CPU)
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#define _MD_WAKEUP_CPUS (_PR_MD_WAKEUP_CPUS)
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#define _MD_BEGIN_SUSPEND_ALL()
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#define _MD_BEGIN_RESUME_ALL()
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#define _MD_END_SUSPEND_ALL()
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#define _MD_END_RESUME_ALL()
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/* --- Lock stuff --- */
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#define _PR_LOCK _MD_LOCK
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#define _PR_UNLOCK _MD_UNLOCK
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#define _MD_NEW_LOCK(lock) (DosCreateMutexSem(0, &((lock)->mutex), 0, 0),(lock)->notified.length=0,(lock)->notified.link=NULL,PR_SUCCESS)
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#define _MD_FREE_LOCK(lock) DosCloseMutexSem(((lock)->mutex))
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#define _MD_LOCK(lock) DosRequestMutexSem(((lock)->mutex), SEM_INDEFINITE_WAIT)
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#define _MD_TEST_AND_LOCK(lock) (DosRequestMutexSem(((lock)->mutex), SEM_INDEFINITE_WAIT),PR_SUCCESS)
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#define _MD_UNLOCK (_PR_MD_UNLOCK)
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/* --- lock and cv waiting --- */
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#define _MD_WAIT (_PR_MD_WAIT)
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#define _MD_WAKEUP_WAITER (_PR_MD_WAKEUP_WAITER)
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/* --- CVar ------------------- */
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#define _MD_WAIT_CV (_PR_MD_WAIT_CV)
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#define _MD_NEW_CV (_PR_MD_NEW_CV)
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#define _MD_FREE_CV (_PR_MD_FREE_CV)
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#define _MD_NOTIFY_CV (_PR_MD_NOTIFY_CV )
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#define _MD_NOTIFYALL_CV (_PR_MD_NOTIFYALL_CV)
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/* XXXMB- the IOQ stuff is certainly not working correctly yet. */
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/* extern struct _MDLock _pr_ioq_lock; */
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#define _MD_IOQ_LOCK()
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#define _MD_IOQ_UNLOCK()
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/* --- Initialization stuff --- */
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#define _MD_START_INTERRUPTS()
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#define _MD_STOP_INTERRUPTS()
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#define _MD_DISABLE_CLOCK_INTERRUPTS()
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#define _MD_ENABLE_CLOCK_INTERRUPTS()
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#define _MD_BLOCK_CLOCK_INTERRUPTS()
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#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
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#define _MD_EARLY_INIT (_PR_MD_EARLY_INIT)
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#define _MD_FINAL_INIT()
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#define _MD_INIT_CPUS()
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#define _MD_INIT_RUNNING_CPU(cpu)
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struct PRProcess;
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struct PRProcessAttr;
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#define _MD_CREATE_PROCESS _PR_CreateOS2Process
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extern struct PRProcess * _PR_CreateOS2Process(
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const char *path,
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char *const *argv,
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char *const *envp,
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const struct PRProcessAttr *attr
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);
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#define _MD_DETACH_PROCESS _PR_DetachOS2Process
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extern PRStatus _PR_DetachOS2Process(struct PRProcess *process);
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/* --- Wait for a child process to terminate --- */
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#define _MD_WAIT_PROCESS _PR_WaitOS2Process
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extern PRStatus _PR_WaitOS2Process(struct PRProcess *process,
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PRInt32 *exitCode);
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#define _MD_KILL_PROCESS _PR_KillOS2Process
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extern PRStatus _PR_KillOS2Process(struct PRProcess *process);
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#define _MD_CLEANUP_BEFORE_EXIT()
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#define _MD_EXIT (_PR_MD_EXIT)
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#define _MD_INIT_CONTEXT
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#define _MD_SWITCH_CONTEXT
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#define _MD_RESTORE_CONTEXT
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/* --- Intervals --- */
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#define _MD_INTERVAL_INIT (_PR_MD_INTERVAL_INIT)
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#define _MD_GET_INTERVAL (_PR_MD_GET_INTERVAL)
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#define _MD_INTERVAL_PER_SEC (_PR_MD_INTERVAL_PER_SEC)
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#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
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#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
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/* --- Native-Thread Specific Definitions ------------------------------- */
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typedef struct __NSPR_TLS
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{
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struct PRThread *_pr_thread_last_run;
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struct PRThread *_pr_currentThread;
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struct _PRCPU *_pr_currentCPU;
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} _NSPR_TLS;
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extern _NSPR_TLS* pThreadLocalStorage;
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NSPR_API(void) _PR_MD_ENSURE_TLS(void);
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#define _MD_CURRENT_THREAD() pThreadLocalStorage->_pr_currentThread
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#define _MD_SET_CURRENT_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentThread = (_thread)
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#define _MD_LAST_THREAD() pThreadLocalStorage->_pr_thread_last_run
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#define _MD_SET_LAST_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_thread_last_run = (_thread)
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#define _MD_CURRENT_CPU() pThreadLocalStorage->_pr_currentCPU
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#define _MD_SET_CURRENT_CPU(_cpu) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentCPU = (_cpu)
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/* lth. #define _MD_SET_INTSOFF(_val) (_pr_ints_off = (_val)) */
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/* lth. #define _MD_GET_INTSOFF() _pr_ints_off */
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/* lth. #define _MD_INCREMENT_INTSOFF() (_pr_ints_off++) */
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/* lth. #define _MD_DECREMENT_INTSOFF() (_pr_ints_off--) */
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|
|
|
/* --- Scheduler stuff --- */
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#define LOCK_SCHEDULER() 0
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#define UNLOCK_SCHEDULER() 0
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#define _PR_LockSched() 0
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#define _PR_UnlockSched() 0
|
|
|
|
/* --- Initialization stuff --- */
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|
#define _MD_INIT_LOCKS()
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|
|
|
/* --- Stack stuff --- */
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#define _MD_INIT_STACK(stack, redzone)
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#define _MD_CLEAR_STACK(stack)
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|
|
|
/* --- Memory-mapped files stuff --- not implemented on OS/2 */
|
|
|
|
struct _MDFileMap {
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|
PRInt8 unused;
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|
};
|
|
|
|
extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
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|
#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
|
|
|
|
extern PRInt32 _MD_GetMemMapAlignment(void);
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|
#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);
|
|
unsigned long _System _DLL_InitTerm( unsigned long mod_handle, unsigned long flag);
|
|
|
|
/*
|
|
#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)
|
|
|
|
#endif /* nspr_os2_defs_h___ */
|