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gecko/nsprpub/pr/include/md/_os2.h
Wan-Teh Chang ea7a436eed Bug 453372 - Import NSPR_4_7_2_BETA3. r=kaie.
2008-09-05 11:03:20 -07:00

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/* -*- 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_os2_defs_h___
#define nspr_os2_defs_h___
#ifndef NO_LONG_LONG
#define INCL_LONGLONG
#endif
#define INCL_DOS
#define INCL_DOSPROCESS
#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
#define _PR_GLOBAL_THREADS_ONLY
#undef HAVE_THREAD_AFFINITY
#define _PR_HAVE_THREADSAFE_GETHOST
#define _PR_HAVE_ATOMIC_OPS
#define HAVE_NETINET_TCP_H
#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
struct _MDSemaphore {
HEV sem;
};
struct _MDCPU {
int unused;
};
struct _MDThread {
HEV 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;
union {
FILEFINDBUF3 small;
FILEFINDBUF3L large;
} 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 OS/2 */
/*
* 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_OPEN_FILE (_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_GETFILEINFO64 (_PR_MD_GETFILEINFO64)
#define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO)
#define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64)
#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_MAKE_DIR (_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 _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
#define _MD_INIT_FILEDESC(fd)
extern void _MD_MakeNonblock(PRFileDesc *f);
#define _MD_MAKE_NONBLOCK _MD_MakeNonblock
#define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE)
#define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE)
#define _MD_SHUTDOWN (_PR_MD_SHUTDOWN)
#define _MD_LISTEN _PR_MD_LISTEN
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 (_PR_MD_SOCKETPAIR)
#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_FSYNC _PR_MD_FSYNC
#define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)
#ifdef _PR_HAVE_ATOMIC_OPS
#define _MD_INIT_ATOMIC()
#define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT
#define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD
#define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT
#define _MD_ATOMIC_SET _PR_MD_ATOMIC_SET
#endif
#define _MD_INIT_IO (_PR_MD_INIT_IO)
#define _MD_PR_POLL (_PR_MD_PR_POLL)
#define _MD_SOCKET (_PR_MD_SOCKET)
extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
#define _MD_SOCKETAVAILABLE _MD_SocketAvailable
#define _MD_PIPEAVAILABLE _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 65536L
#define _MD_INIT_THREAD (_PR_MD_INIT_THREAD)
#define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_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 (_PR_MD_NEW_LOCK)
#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),0)
#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_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()
#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_EXIT (_PR_MD_EXIT)
#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
PR_BEGIN_MACRO \
*status = PR_TRUE; \
PR_END_MACRO
#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;
NSPR_API(void) _PR_MD_ENSURE_TLS(void);
#define _MD_GET_ATTACHED_THREAD() pThreadLocalStorage->_pr_currentThread
extern struct PRThread * _MD_CURRENT_THREAD(void);
#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 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
/* 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((HMODULE)x)
#define OutputDebugString(x)
extern int _MD_os2_get_nonblocking_connect_error(int osfd);
#endif /* nspr_os2_defs_h___ */
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