1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/nsprpub/pr/include/md/_os2.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,504 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nspr_os2_defs_h___
1.10 +#define nspr_os2_defs_h___
1.11 +
1.12 +#ifndef NO_LONG_LONG
1.13 +#define INCL_LONGLONG
1.14 +#endif
1.15 +#define INCL_DOS
1.16 +#define INCL_DOSPROCESS
1.17 +#define INCL_DOSERRORS
1.18 +#define INCL_WIN
1.19 +#define INCL_WPS
1.20 +#include <os2.h>
1.21 +#include <sys/select.h>
1.22 +
1.23 +#include "prio.h"
1.24 +
1.25 +#include <errno.h>
1.26 +
1.27 +/*
1.28 + * Internal configuration macros
1.29 + */
1.30 +
1.31 +#define PR_LINKER_ARCH "os2"
1.32 +#define _PR_SI_SYSNAME "OS2"
1.33 +#define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
1.34 +
1.35 +#define HAVE_DLL
1.36 +#define _PR_GLOBAL_THREADS_ONLY
1.37 +#undef HAVE_THREAD_AFFINITY
1.38 +#define _PR_HAVE_THREADSAFE_GETHOST
1.39 +#define _PR_HAVE_ATOMIC_OPS
1.40 +#define HAVE_NETINET_TCP_H
1.41 +
1.42 +#define HANDLE unsigned long
1.43 +#define HINSTANCE HMODULE
1.44 +
1.45 +/* --- Common User-Thread/Native-Thread Definitions --------------------- */
1.46 +
1.47 +/* --- Globals --- */
1.48 +extern struct PRLock *_pr_schedLock;
1.49 +
1.50 +/* --- Typedefs --- */
1.51 +typedef void (*FiberFunc)(void *);
1.52 +
1.53 +#define PR_NUM_GCREGS 8
1.54 +typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
1.55 +#define GC_VMBASE 0x40000000
1.56 +#define GC_VMLIMIT 0x00FFFFFF
1.57 +typedef int (*FARPROC)();
1.58 +
1.59 +#define _MD_MAGIC_THREAD 0x22222222
1.60 +#define _MD_MAGIC_THREADSTACK 0x33333333
1.61 +#define _MD_MAGIC_SEGMENT 0x44444444
1.62 +#define _MD_MAGIC_DIR 0x55555555
1.63 +#define _MD_MAGIC_CV 0x66666666
1.64 +
1.65 +struct _MDSemaphore {
1.66 + HEV sem;
1.67 +};
1.68 +
1.69 +struct _MDCPU {
1.70 + int unused;
1.71 +};
1.72 +
1.73 +struct _MDThread {
1.74 + HEV blocked_sema; /* Threads block on this when waiting
1.75 + * for IO or CondVar.
1.76 + */
1.77 + PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the
1.78 + * wait queue of some cond var.
1.79 + * PR_FALSE otherwise. */
1.80 + TID handle; /* OS/2 thread handle */
1.81 + void *sp; /* only valid when suspended */
1.82 + PRUint32 magic; /* for debugging */
1.83 + PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
1.84 + struct PRThread *prev, *next; /* used by the cvar wait queue to
1.85 + * chain the PRThread structures
1.86 + * together */
1.87 +};
1.88 +
1.89 +struct _MDThreadStack {
1.90 + PRUint32 magic; /* for debugging */
1.91 +};
1.92 +
1.93 +struct _MDSegment {
1.94 + PRUint32 magic; /* for debugging */
1.95 +};
1.96 +
1.97 +#undef PROFILE_LOCKS
1.98 +
1.99 +struct _MDDir {
1.100 + HDIR d_hdl;
1.101 + union {
1.102 + FILEFINDBUF3 small;
1.103 + FILEFINDBUF3L large;
1.104 + } d_entry;
1.105 + PRBool firstEntry; /* Is this the entry returned
1.106 + * by FindFirstFile()? */
1.107 + PRUint32 magic; /* for debugging */
1.108 +};
1.109 +
1.110 +struct _MDCVar {
1.111 + PRUint32 magic;
1.112 + struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly-
1.113 + * linked list of threads
1.114 + * waiting on this condition
1.115 + * variable */
1.116 + PRIntn nwait; /* number of threads in the
1.117 + * wait queue */
1.118 +};
1.119 +
1.120 +#define _MD_CV_NOTIFIED_LENGTH 6
1.121 +typedef struct _MDNotified _MDNotified;
1.122 +struct _MDNotified {
1.123 + PRIntn length; /* # of used entries in this
1.124 + * structure */
1.125 + struct {
1.126 + struct _MDCVar *cv; /* the condition variable notified */
1.127 + PRIntn times; /* and the number of times notified */
1.128 + struct PRThread *notifyHead; /* list of threads to wake up */
1.129 + } cv[_MD_CV_NOTIFIED_LENGTH];
1.130 + _MDNotified *link; /* link to another of these, or NULL */
1.131 +};
1.132 +
1.133 +struct _MDLock {
1.134 + HMTX mutex; /* this is recursive on OS/2 */
1.135 +
1.136 + /*
1.137 + * When notifying cvars, there is no point in actually
1.138 + * waking up the threads waiting on the cvars until we've
1.139 + * released the lock. So, we temporarily record the cvars.
1.140 + * When doing an unlock, we'll then wake up the waiting threads.
1.141 + */
1.142 + struct _MDNotified notified; /* array of conditions notified */
1.143 +#ifdef PROFILE_LOCKS
1.144 + PRInt32 hitcount;
1.145 + PRInt32 misscount;
1.146 +#endif
1.147 +};
1.148 +
1.149 +struct _MDFileDesc {
1.150 + PRInt32 osfd; /* The osfd can come from one of three spaces:
1.151 + * - For stdin, stdout, and stderr, we are using
1.152 + * the libc file handle (0, 1, 2), which is an int.
1.153 + * - For files and pipes, we are using OS/2 handles,
1.154 + * which is a void*.
1.155 + * - For sockets, we are using int
1.156 + */
1.157 +};
1.158 +
1.159 +struct _MDProcess {
1.160 + PID pid;
1.161 +};
1.162 +
1.163 +/* --- Misc stuff --- */
1.164 +#define _MD_GET_SP(thread) (thread)->md.gcContext[6]
1.165 +
1.166 +/* --- IO stuff --- */
1.167 +
1.168 +#define _MD_OPEN (_PR_MD_OPEN)
1.169 +#define _MD_OPEN_FILE (_PR_MD_OPEN)
1.170 +#define _MD_READ (_PR_MD_READ)
1.171 +#define _MD_WRITE (_PR_MD_WRITE)
1.172 +#define _MD_WRITEV (_PR_MD_WRITEV)
1.173 +#define _MD_LSEEK (_PR_MD_LSEEK)
1.174 +#define _MD_LSEEK64 (_PR_MD_LSEEK64)
1.175 +extern PRInt32 _MD_CloseFile(PRInt32 osfd);
1.176 +#define _MD_CLOSE_FILE _MD_CloseFile
1.177 +#define _MD_GETFILEINFO (_PR_MD_GETFILEINFO)
1.178 +#define _MD_GETFILEINFO64 (_PR_MD_GETFILEINFO64)
1.179 +#define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO)
1.180 +#define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64)
1.181 +#define _MD_STAT (_PR_MD_STAT)
1.182 +#define _MD_RENAME (_PR_MD_RENAME)
1.183 +#define _MD_ACCESS (_PR_MD_ACCESS)
1.184 +#define _MD_DELETE (_PR_MD_DELETE)
1.185 +#define _MD_MKDIR (_PR_MD_MKDIR)
1.186 +#define _MD_MAKE_DIR (_PR_MD_MKDIR)
1.187 +#define _MD_RMDIR (_PR_MD_RMDIR)
1.188 +#define _MD_LOCKFILE (_PR_MD_LOCKFILE)
1.189 +#define _MD_TLOCKFILE (_PR_MD_TLOCKFILE)
1.190 +#define _MD_UNLOCKFILE (_PR_MD_UNLOCKFILE)
1.191 +
1.192 +/* --- Socket IO stuff --- */
1.193 +
1.194 +/* The ones that don't map directly may need to be re-visited... */
1.195 +#define _MD_EACCES EACCES
1.196 +#define _MD_EADDRINUSE EADDRINUSE
1.197 +#define _MD_EADDRNOTAVAIL EADDRNOTAVAIL
1.198 +#define _MD_EAFNOSUPPORT EAFNOSUPPORT
1.199 +#define _MD_EAGAIN EWOULDBLOCK
1.200 +#define _MD_EALREADY EALREADY
1.201 +#define _MD_EBADF EBADF
1.202 +#define _MD_ECONNREFUSED ECONNREFUSED
1.203 +#define _MD_ECONNRESET ECONNRESET
1.204 +#define _MD_EFAULT SOCEFAULT
1.205 +#define _MD_EINPROGRESS EINPROGRESS
1.206 +#define _MD_EINTR EINTR
1.207 +#define _MD_EINVAL EINVAL
1.208 +#define _MD_EISCONN EISCONN
1.209 +#define _MD_ENETUNREACH ENETUNREACH
1.210 +#define _MD_ENOENT ENOENT
1.211 +#define _MD_ENOTCONN ENOTCONN
1.212 +#define _MD_ENOTSOCK ENOTSOCK
1.213 +#define _MD_EOPNOTSUPP EOPNOTSUPP
1.214 +#define _MD_EWOULDBLOCK EWOULDBLOCK
1.215 +#define _MD_GET_SOCKET_ERROR() sock_errno()
1.216 +#ifndef INADDR_LOOPBACK /* For some reason this is not defined in OS2 tcpip */
1.217 +/* #define INADDR_LOOPBACK INADDR_ANY */
1.218 +#endif
1.219 +
1.220 +#define _MD_INIT_FILEDESC(fd)
1.221 +extern void _MD_MakeNonblock(PRFileDesc *f);
1.222 +#define _MD_MAKE_NONBLOCK _MD_MakeNonblock
1.223 +#define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE)
1.224 +#define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE)
1.225 +#define _MD_SHUTDOWN (_PR_MD_SHUTDOWN)
1.226 +#define _MD_LISTEN _PR_MD_LISTEN
1.227 +extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
1.228 +#define _MD_CLOSE_SOCKET _MD_CloseSocket
1.229 +#define _MD_SENDTO (_PR_MD_SENDTO)
1.230 +#define _MD_RECVFROM (_PR_MD_RECVFROM)
1.231 +#define _MD_SOCKETPAIR (_PR_MD_SOCKETPAIR)
1.232 +#define _MD_GETSOCKNAME (_PR_MD_GETSOCKNAME)
1.233 +#define _MD_GETPEERNAME (_PR_MD_GETPEERNAME)
1.234 +#define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT)
1.235 +#define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT)
1.236 +
1.237 +#define _MD_FSYNC _PR_MD_FSYNC
1.238 +#define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)
1.239 +
1.240 +#ifdef _PR_HAVE_ATOMIC_OPS
1.241 +#define _MD_INIT_ATOMIC()
1.242 +#define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT
1.243 +#define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD
1.244 +#define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT
1.245 +#define _MD_ATOMIC_SET _PR_MD_ATOMIC_SET
1.246 +#endif
1.247 +
1.248 +#define _MD_INIT_IO (_PR_MD_INIT_IO)
1.249 +#define _MD_PR_POLL (_PR_MD_PR_POLL)
1.250 +
1.251 +#define _MD_SOCKET (_PR_MD_SOCKET)
1.252 +extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
1.253 +#define _MD_SOCKETAVAILABLE _MD_SocketAvailable
1.254 +#define _MD_PIPEAVAILABLE _MD_SocketAvailable
1.255 +#define _MD_CONNECT (_PR_MD_CONNECT)
1.256 +extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen,
1.257 + PRIntervalTime timeout);
1.258 +#define _MD_ACCEPT _MD_Accept
1.259 +#define _MD_BIND (_PR_MD_BIND)
1.260 +#define _MD_RECV (_PR_MD_RECV)
1.261 +#define _MD_SEND (_PR_MD_SEND)
1.262 +
1.263 +/* --- Scheduler stuff --- */
1.264 +/* #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU */
1.265 +#define _MD_PAUSE_CPU
1.266 +
1.267 +/* --- DIR stuff --- */
1.268 +#define PR_DIRECTORY_SEPARATOR '\\'
1.269 +#define PR_DIRECTORY_SEPARATOR_STR "\\"
1.270 +#define PR_PATH_SEPARATOR ';'
1.271 +#define PR_PATH_SEPARATOR_STR ";"
1.272 +#define _MD_ERRNO() errno
1.273 +#define _MD_OPEN_DIR (_PR_MD_OPEN_DIR)
1.274 +#define _MD_CLOSE_DIR (_PR_MD_CLOSE_DIR)
1.275 +#define _MD_READ_DIR (_PR_MD_READ_DIR)
1.276 +
1.277 +/* --- Segment stuff --- */
1.278 +#define _MD_INIT_SEGS()
1.279 +#define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0
1.280 +#define _MD_FREE_SEGMENT(seg)
1.281 +
1.282 +/* --- Environment Stuff --- */
1.283 +#define _MD_GET_ENV (_PR_MD_GET_ENV)
1.284 +#define _MD_PUT_ENV (_PR_MD_PUT_ENV)
1.285 +
1.286 +/* --- Threading Stuff --- */
1.287 +#define _MD_DEFAULT_STACK_SIZE 65536L
1.288 +#define _MD_INIT_THREAD (_PR_MD_INIT_THREAD)
1.289 +#define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_THREAD)
1.290 +#define _MD_CREATE_THREAD (_PR_MD_CREATE_THREAD)
1.291 +#define _MD_YIELD (_PR_MD_YIELD)
1.292 +#define _MD_SET_PRIORITY (_PR_MD_SET_PRIORITY)
1.293 +#define _MD_CLEAN_THREAD (_PR_MD_CLEAN_THREAD)
1.294 +#define _MD_SETTHREADAFFINITYMASK (_PR_MD_SETTHREADAFFINITYMASK)
1.295 +#define _MD_GETTHREADAFFINITYMASK (_PR_MD_GETTHREADAFFINITYMASK)
1.296 +#define _MD_EXIT_THREAD (_PR_MD_EXIT_THREAD)
1.297 +#define _MD_SUSPEND_THREAD (_PR_MD_SUSPEND_THREAD)
1.298 +#define _MD_RESUME_THREAD (_PR_MD_RESUME_THREAD)
1.299 +#define _MD_SUSPEND_CPU (_PR_MD_SUSPEND_CPU)
1.300 +#define _MD_RESUME_CPU (_PR_MD_RESUME_CPU)
1.301 +#define _MD_WAKEUP_CPUS (_PR_MD_WAKEUP_CPUS)
1.302 +#define _MD_BEGIN_SUSPEND_ALL()
1.303 +#define _MD_BEGIN_RESUME_ALL()
1.304 +#define _MD_END_SUSPEND_ALL()
1.305 +#define _MD_END_RESUME_ALL()
1.306 +
1.307 +/* --- Lock stuff --- */
1.308 +#define _PR_LOCK _MD_LOCK
1.309 +#define _PR_UNLOCK _MD_UNLOCK
1.310 +
1.311 +#define _MD_NEW_LOCK (_PR_MD_NEW_LOCK)
1.312 +#define _MD_FREE_LOCK(lock) (DosCloseMutexSem((lock)->mutex))
1.313 +#define _MD_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT))
1.314 +#define _MD_TEST_AND_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT),0)
1.315 +#define _MD_UNLOCK (_PR_MD_UNLOCK)
1.316 +
1.317 +/* --- lock and cv waiting --- */
1.318 +#define _MD_WAIT (_PR_MD_WAIT)
1.319 +#define _MD_WAKEUP_WAITER (_PR_MD_WAKEUP_WAITER)
1.320 +
1.321 +/* --- CVar ------------------- */
1.322 +#define _MD_WAIT_CV (_PR_MD_WAIT_CV)
1.323 +#define _MD_NEW_CV (_PR_MD_NEW_CV)
1.324 +#define _MD_FREE_CV (_PR_MD_FREE_CV)
1.325 +#define _MD_NOTIFY_CV (_PR_MD_NOTIFY_CV )
1.326 +#define _MD_NOTIFYALL_CV (_PR_MD_NOTIFYALL_CV)
1.327 +
1.328 + /* XXXMB- the IOQ stuff is certainly not working correctly yet. */
1.329 +/* extern struct _MDLock _pr_ioq_lock; */
1.330 +#define _MD_IOQ_LOCK()
1.331 +#define _MD_IOQ_UNLOCK()
1.332 +
1.333 +
1.334 +/* --- Initialization stuff --- */
1.335 +#define _MD_START_INTERRUPTS()
1.336 +#define _MD_STOP_INTERRUPTS()
1.337 +#define _MD_DISABLE_CLOCK_INTERRUPTS()
1.338 +#define _MD_ENABLE_CLOCK_INTERRUPTS()
1.339 +#define _MD_BLOCK_CLOCK_INTERRUPTS()
1.340 +#define _MD_UNBLOCK_CLOCK_INTERRUPTS()
1.341 +#define _MD_EARLY_INIT (_PR_MD_EARLY_INIT)
1.342 +#define _MD_FINAL_INIT()
1.343 +#define _MD_EARLY_CLEANUP()
1.344 +#define _MD_INIT_CPUS()
1.345 +#define _MD_INIT_RUNNING_CPU(cpu)
1.346 +
1.347 +struct PRProcess;
1.348 +struct PRProcessAttr;
1.349 +
1.350 +#define _MD_CREATE_PROCESS _PR_CreateOS2Process
1.351 +extern struct PRProcess * _PR_CreateOS2Process(
1.352 + const char *path,
1.353 + char *const *argv,
1.354 + char *const *envp,
1.355 + const struct PRProcessAttr *attr
1.356 +);
1.357 +
1.358 +#define _MD_DETACH_PROCESS _PR_DetachOS2Process
1.359 +extern PRStatus _PR_DetachOS2Process(struct PRProcess *process);
1.360 +
1.361 +/* --- Wait for a child process to terminate --- */
1.362 +#define _MD_WAIT_PROCESS _PR_WaitOS2Process
1.363 +extern PRStatus _PR_WaitOS2Process(struct PRProcess *process,
1.364 + PRInt32 *exitCode);
1.365 +
1.366 +#define _MD_KILL_PROCESS _PR_KillOS2Process
1.367 +extern PRStatus _PR_KillOS2Process(struct PRProcess *process);
1.368 +
1.369 +#define _MD_CLEANUP_BEFORE_EXIT()
1.370 +#define _MD_EXIT (_PR_MD_EXIT)
1.371 +#define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
1.372 + PR_BEGIN_MACRO \
1.373 + *status = PR_TRUE; \
1.374 + PR_END_MACRO
1.375 +#define _MD_SWITCH_CONTEXT
1.376 +#define _MD_RESTORE_CONTEXT
1.377 +
1.378 +/* --- Intervals --- */
1.379 +#define _MD_INTERVAL_INIT (_PR_MD_INTERVAL_INIT)
1.380 +#define _MD_GET_INTERVAL (_PR_MD_GET_INTERVAL)
1.381 +#define _MD_INTERVAL_PER_SEC (_PR_MD_INTERVAL_PER_SEC)
1.382 +#define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
1.383 +#define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
1.384 +
1.385 +/* --- Native-Thread Specific Definitions ------------------------------- */
1.386 +
1.387 +typedef struct __NSPR_TLS
1.388 +{
1.389 + struct PRThread *_pr_thread_last_run;
1.390 + struct PRThread *_pr_currentThread;
1.391 + struct _PRCPU *_pr_currentCPU;
1.392 +} _NSPR_TLS;
1.393 +
1.394 +extern _NSPR_TLS* pThreadLocalStorage;
1.395 +NSPR_API(void) _PR_MD_ENSURE_TLS(void);
1.396 +
1.397 +#define _MD_GET_ATTACHED_THREAD() pThreadLocalStorage->_pr_currentThread
1.398 +extern struct PRThread * _MD_CURRENT_THREAD(void);
1.399 +#define _MD_SET_CURRENT_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentThread = (_thread)
1.400 +
1.401 +#define _MD_LAST_THREAD() pThreadLocalStorage->_pr_thread_last_run
1.402 +#define _MD_SET_LAST_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_thread_last_run = (_thread)
1.403 +
1.404 +#define _MD_CURRENT_CPU() pThreadLocalStorage->_pr_currentCPU
1.405 +#define _MD_SET_CURRENT_CPU(_cpu) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentCPU = (_cpu)
1.406 +
1.407 +/* lth. #define _MD_SET_INTSOFF(_val) (_pr_ints_off = (_val)) */
1.408 +/* lth. #define _MD_GET_INTSOFF() _pr_ints_off */
1.409 +/* lth. #define _MD_INCREMENT_INTSOFF() (_pr_ints_off++) */
1.410 +/* lth. #define _MD_DECREMENT_INTSOFF() (_pr_ints_off--) */
1.411 +
1.412 +/* --- Scheduler stuff --- */
1.413 +#define LOCK_SCHEDULER() 0
1.414 +#define UNLOCK_SCHEDULER() 0
1.415 +#define _PR_LockSched() 0
1.416 +#define _PR_UnlockSched() 0
1.417 +
1.418 +/* --- Initialization stuff --- */
1.419 +#define _MD_INIT_LOCKS()
1.420 +
1.421 +/* --- Stack stuff --- */
1.422 +#define _MD_INIT_STACK(stack, redzone)
1.423 +#define _MD_CLEAR_STACK(stack)
1.424 +
1.425 +/* --- Memory-mapped files stuff --- */
1.426 +/* ReadOnly and WriteCopy modes are simulated on OS/2;
1.427 + * ReadWrite mode is not supported.
1.428 + */
1.429 +struct _MDFileMap {
1.430 + PROffset64 maxExtent;
1.431 +};
1.432 +
1.433 +extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
1.434 +#define _MD_CREATE_FILE_MAP _MD_CreateFileMap
1.435 +
1.436 +extern PRInt32 _MD_GetMemMapAlignment(void);
1.437 +#define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
1.438 +
1.439 +extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
1.440 + PRUint32 len);
1.441 +#define _MD_MEM_MAP _MD_MemMap
1.442 +
1.443 +extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
1.444 +#define _MD_MEM_UNMAP _MD_MemUnmap
1.445 +
1.446 +extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
1.447 +#define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
1.448 +
1.449 +/* Some stuff for setting up thread contexts */
1.450 +typedef ULONG DWORD, *PDWORD;
1.451 +
1.452 +/* The following definitions and two structures are new in OS/2 Warp 4.0.
1.453 + */
1.454 +#ifndef CONTEXT_CONTROL
1.455 +#define CONTEXT_CONTROL 0x00000001
1.456 +#define CONTEXT_INTEGER 0x00000002
1.457 +#define CONTEXT_SEGMENTS 0x00000004
1.458 +#define CONTEXT_FLOATING_POINT 0x00000008
1.459 +#define CONTEXT_FULL 0x0000000F
1.460 +
1.461 +#pragma pack(2)
1.462 +typedef struct _FPREG {
1.463 + ULONG losig; /* Low 32-bits of the significand. */
1.464 + ULONG hisig; /* High 32-bits of the significand. */
1.465 + USHORT signexp; /* Sign and exponent. */
1.466 +} FPREG;
1.467 +typedef struct _CONTEXTRECORD {
1.468 + ULONG ContextFlags;
1.469 + ULONG ctx_env[7];
1.470 + FPREG ctx_stack[8];
1.471 + ULONG ctx_SegGs; /* GS register. */
1.472 + ULONG ctx_SegFs; /* FS register. */
1.473 + ULONG ctx_SegEs; /* ES register. */
1.474 + ULONG ctx_SegDs; /* DS register. */
1.475 + ULONG ctx_RegEdi; /* EDI register. */
1.476 + ULONG ctx_RegEsi; /* ESI register. */
1.477 + ULONG ctx_RegEax; /* EAX register. */
1.478 + ULONG ctx_RegEbx; /* EBX register. */
1.479 + ULONG ctx_RegEcx; /* ECX register. */
1.480 + ULONG ctx_RegEdx; /* EDX register. */
1.481 + ULONG ctx_RegEbp; /* EBP register. */
1.482 + ULONG ctx_RegEip; /* EIP register. */
1.483 + ULONG ctx_SegCs; /* CS register. */
1.484 + ULONG ctx_EFlags; /* EFLAGS register. */
1.485 + ULONG ctx_RegEsp; /* ESP register. */
1.486 + ULONG ctx_SegSs; /* SS register. */
1.487 +} CONTEXTRECORD, *PCONTEXTRECORD;
1.488 +#pragma pack()
1.489 +#endif
1.490 +
1.491 +extern APIRET (* APIENTRY QueryThreadContext)(TID, ULONG, PCONTEXTRECORD);
1.492 +
1.493 +/*
1.494 +#define _pr_tid (((PTIB2)_getTIBvalue(offsetof(TIB, tib_ptib2)))->tib2_ultid)
1.495 +#define _pr_current_Thread (_system_tls[_pr_tid-1].__pr_current_thread)
1.496 +*/
1.497 +
1.498 +/* Some simple mappings of Windows API's to OS/2 API's to make our lives a
1.499 + * little bit easier. Only add one here if it is a DIRECT mapping. We are
1.500 + * not emulating anything. Just mapping.
1.501 + */
1.502 +#define FreeLibrary(x) DosFreeModule((HMODULE)x)
1.503 +#define OutputDebugStringA(x)
1.504 +
1.505 +extern int _MD_os2_get_nonblocking_connect_error(int osfd);
1.506 +
1.507 +#endif /* nspr_os2_defs_h___ */
