nsprpub/pr/include/md/_os2.h@44a2da4a2ab2
nsprpub/pr/include/md/_os2.h
Fri, 16 Jan 2015 04:50:19 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 04:50:19 +0100
- branch
- TOR_BUG_9701
- changeset 13
- 44a2da4a2ab2
- permissions
- -rw-r--r--
Replace accessor implementation with direct member state manipulation, by
request https://trac.torproject.org/projects/tor/ticket/9701#comment:32
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #ifndef nspr_os2_defs_h___
7 #define nspr_os2_defs_h___
9 #ifndef NO_LONG_LONG
10 #define INCL_LONGLONG
11 #endif
12 #define INCL_DOS
13 #define INCL_DOSPROCESS
14 #define INCL_DOSERRORS
15 #define INCL_WIN
16 #define INCL_WPS
17 #include <os2.h>
18 #include <sys/select.h>
20 #include "prio.h"
22 #include <errno.h>
24 /*
25 * Internal configuration macros
26 */
28 #define PR_LINKER_ARCH "os2"
29 #define _PR_SI_SYSNAME "OS2"
30 #define _PR_SI_ARCHITECTURE "x86" /* XXXMB hardcode for now */
32 #define HAVE_DLL
33 #define _PR_GLOBAL_THREADS_ONLY
34 #undef HAVE_THREAD_AFFINITY
35 #define _PR_HAVE_THREADSAFE_GETHOST
36 #define _PR_HAVE_ATOMIC_OPS
37 #define HAVE_NETINET_TCP_H
39 #define HANDLE unsigned long
40 #define HINSTANCE HMODULE
42 /* --- Common User-Thread/Native-Thread Definitions --------------------- */
44 /* --- Globals --- */
45 extern struct PRLock *_pr_schedLock;
47 /* --- Typedefs --- */
48 typedef void (*FiberFunc)(void *);
50 #define PR_NUM_GCREGS 8
51 typedef PRInt32 PR_CONTEXT_TYPE[PR_NUM_GCREGS];
52 #define GC_VMBASE 0x40000000
53 #define GC_VMLIMIT 0x00FFFFFF
54 typedef int (*FARPROC)();
56 #define _MD_MAGIC_THREAD 0x22222222
57 #define _MD_MAGIC_THREADSTACK 0x33333333
58 #define _MD_MAGIC_SEGMENT 0x44444444
59 #define _MD_MAGIC_DIR 0x55555555
60 #define _MD_MAGIC_CV 0x66666666
62 struct _MDSemaphore {
63 HEV sem;
64 };
66 struct _MDCPU {
67 int unused;
68 };
70 struct _MDThread {
71 HEV blocked_sema; /* Threads block on this when waiting
72 * for IO or CondVar.
73 */
74 PRBool inCVWaitQueue; /* PR_TRUE if the thread is in the
75 * wait queue of some cond var.
76 * PR_FALSE otherwise. */
77 TID handle; /* OS/2 thread handle */
78 void *sp; /* only valid when suspended */
79 PRUint32 magic; /* for debugging */
80 PR_CONTEXT_TYPE gcContext; /* Thread context for GC */
81 struct PRThread *prev, *next; /* used by the cvar wait queue to
82 * chain the PRThread structures
83 * together */
84 };
86 struct _MDThreadStack {
87 PRUint32 magic; /* for debugging */
88 };
90 struct _MDSegment {
91 PRUint32 magic; /* for debugging */
92 };
94 #undef PROFILE_LOCKS
96 struct _MDDir {
97 HDIR d_hdl;
98 union {
99 FILEFINDBUF3 small;
100 FILEFINDBUF3L large;
101 } d_entry;
102 PRBool firstEntry; /* Is this the entry returned
103 * by FindFirstFile()? */
104 PRUint32 magic; /* for debugging */
105 };
107 struct _MDCVar {
108 PRUint32 magic;
109 struct PRThread *waitHead, *waitTail; /* the wait queue: a doubly-
110 * linked list of threads
111 * waiting on this condition
112 * variable */
113 PRIntn nwait; /* number of threads in the
114 * wait queue */
115 };
117 #define _MD_CV_NOTIFIED_LENGTH 6
118 typedef struct _MDNotified _MDNotified;
119 struct _MDNotified {
120 PRIntn length; /* # of used entries in this
121 * structure */
122 struct {
123 struct _MDCVar *cv; /* the condition variable notified */
124 PRIntn times; /* and the number of times notified */
125 struct PRThread *notifyHead; /* list of threads to wake up */
126 } cv[_MD_CV_NOTIFIED_LENGTH];
127 _MDNotified *link; /* link to another of these, or NULL */
128 };
130 struct _MDLock {
131 HMTX mutex; /* this is recursive on OS/2 */
133 /*
134 * When notifying cvars, there is no point in actually
135 * waking up the threads waiting on the cvars until we've
136 * released the lock. So, we temporarily record the cvars.
137 * When doing an unlock, we'll then wake up the waiting threads.
138 */
139 struct _MDNotified notified; /* array of conditions notified */
140 #ifdef PROFILE_LOCKS
141 PRInt32 hitcount;
142 PRInt32 misscount;
143 #endif
144 };
146 struct _MDFileDesc {
147 PRInt32 osfd; /* The osfd can come from one of three spaces:
148 * - For stdin, stdout, and stderr, we are using
149 * the libc file handle (0, 1, 2), which is an int.
150 * - For files and pipes, we are using OS/2 handles,
151 * which is a void*.
152 * - For sockets, we are using int
153 */
154 };
156 struct _MDProcess {
157 PID pid;
158 };
160 /* --- Misc stuff --- */
161 #define _MD_GET_SP(thread) (thread)->md.gcContext[6]
163 /* --- IO stuff --- */
165 #define _MD_OPEN (_PR_MD_OPEN)
166 #define _MD_OPEN_FILE (_PR_MD_OPEN)
167 #define _MD_READ (_PR_MD_READ)
168 #define _MD_WRITE (_PR_MD_WRITE)
169 #define _MD_WRITEV (_PR_MD_WRITEV)
170 #define _MD_LSEEK (_PR_MD_LSEEK)
171 #define _MD_LSEEK64 (_PR_MD_LSEEK64)
172 extern PRInt32 _MD_CloseFile(PRInt32 osfd);
173 #define _MD_CLOSE_FILE _MD_CloseFile
174 #define _MD_GETFILEINFO (_PR_MD_GETFILEINFO)
175 #define _MD_GETFILEINFO64 (_PR_MD_GETFILEINFO64)
176 #define _MD_GETOPENFILEINFO (_PR_MD_GETOPENFILEINFO)
177 #define _MD_GETOPENFILEINFO64 (_PR_MD_GETOPENFILEINFO64)
178 #define _MD_STAT (_PR_MD_STAT)
179 #define _MD_RENAME (_PR_MD_RENAME)
180 #define _MD_ACCESS (_PR_MD_ACCESS)
181 #define _MD_DELETE (_PR_MD_DELETE)
182 #define _MD_MKDIR (_PR_MD_MKDIR)
183 #define _MD_MAKE_DIR (_PR_MD_MKDIR)
184 #define _MD_RMDIR (_PR_MD_RMDIR)
185 #define _MD_LOCKFILE (_PR_MD_LOCKFILE)
186 #define _MD_TLOCKFILE (_PR_MD_TLOCKFILE)
187 #define _MD_UNLOCKFILE (_PR_MD_UNLOCKFILE)
189 /* --- Socket IO stuff --- */
191 /* The ones that don't map directly may need to be re-visited... */
192 #define _MD_EACCES EACCES
193 #define _MD_EADDRINUSE EADDRINUSE
194 #define _MD_EADDRNOTAVAIL EADDRNOTAVAIL
195 #define _MD_EAFNOSUPPORT EAFNOSUPPORT
196 #define _MD_EAGAIN EWOULDBLOCK
197 #define _MD_EALREADY EALREADY
198 #define _MD_EBADF EBADF
199 #define _MD_ECONNREFUSED ECONNREFUSED
200 #define _MD_ECONNRESET ECONNRESET
201 #define _MD_EFAULT SOCEFAULT
202 #define _MD_EINPROGRESS EINPROGRESS
203 #define _MD_EINTR EINTR
204 #define _MD_EINVAL EINVAL
205 #define _MD_EISCONN EISCONN
206 #define _MD_ENETUNREACH ENETUNREACH
207 #define _MD_ENOENT ENOENT
208 #define _MD_ENOTCONN ENOTCONN
209 #define _MD_ENOTSOCK ENOTSOCK
210 #define _MD_EOPNOTSUPP EOPNOTSUPP
211 #define _MD_EWOULDBLOCK EWOULDBLOCK
212 #define _MD_GET_SOCKET_ERROR() sock_errno()
213 #ifndef INADDR_LOOPBACK /* For some reason this is not defined in OS2 tcpip */
214 /* #define INADDR_LOOPBACK INADDR_ANY */
215 #endif
217 #define _MD_INIT_FILEDESC(fd)
218 extern void _MD_MakeNonblock(PRFileDesc *f);
219 #define _MD_MAKE_NONBLOCK _MD_MakeNonblock
220 #define _MD_INIT_FD_INHERITABLE (_PR_MD_INIT_FD_INHERITABLE)
221 #define _MD_QUERY_FD_INHERITABLE (_PR_MD_QUERY_FD_INHERITABLE)
222 #define _MD_SHUTDOWN (_PR_MD_SHUTDOWN)
223 #define _MD_LISTEN _PR_MD_LISTEN
224 extern PRInt32 _MD_CloseSocket(PRInt32 osfd);
225 #define _MD_CLOSE_SOCKET _MD_CloseSocket
226 #define _MD_SENDTO (_PR_MD_SENDTO)
227 #define _MD_RECVFROM (_PR_MD_RECVFROM)
228 #define _MD_SOCKETPAIR (_PR_MD_SOCKETPAIR)
229 #define _MD_GETSOCKNAME (_PR_MD_GETSOCKNAME)
230 #define _MD_GETPEERNAME (_PR_MD_GETPEERNAME)
231 #define _MD_GETSOCKOPT (_PR_MD_GETSOCKOPT)
232 #define _MD_SETSOCKOPT (_PR_MD_SETSOCKOPT)
234 #define _MD_FSYNC _PR_MD_FSYNC
235 #define _MD_SET_FD_INHERITABLE (_PR_MD_SET_FD_INHERITABLE)
237 #ifdef _PR_HAVE_ATOMIC_OPS
238 #define _MD_INIT_ATOMIC()
239 #define _MD_ATOMIC_INCREMENT _PR_MD_ATOMIC_INCREMENT
240 #define _MD_ATOMIC_ADD _PR_MD_ATOMIC_ADD
241 #define _MD_ATOMIC_DECREMENT _PR_MD_ATOMIC_DECREMENT
242 #define _MD_ATOMIC_SET _PR_MD_ATOMIC_SET
243 #endif
245 #define _MD_INIT_IO (_PR_MD_INIT_IO)
246 #define _MD_PR_POLL (_PR_MD_PR_POLL)
248 #define _MD_SOCKET (_PR_MD_SOCKET)
249 extern PRInt32 _MD_SocketAvailable(PRFileDesc *fd);
250 #define _MD_SOCKETAVAILABLE _MD_SocketAvailable
251 #define _MD_PIPEAVAILABLE _MD_SocketAvailable
252 #define _MD_CONNECT (_PR_MD_CONNECT)
253 extern PRInt32 _MD_Accept(PRFileDesc *fd, PRNetAddr *raddr, PRUint32 *rlen,
254 PRIntervalTime timeout);
255 #define _MD_ACCEPT _MD_Accept
256 #define _MD_BIND (_PR_MD_BIND)
257 #define _MD_RECV (_PR_MD_RECV)
258 #define _MD_SEND (_PR_MD_SEND)
260 /* --- Scheduler stuff --- */
261 /* #define _MD_PAUSE_CPU _PR_MD_PAUSE_CPU */
262 #define _MD_PAUSE_CPU
264 /* --- DIR stuff --- */
265 #define PR_DIRECTORY_SEPARATOR '\\'
266 #define PR_DIRECTORY_SEPARATOR_STR "\\"
267 #define PR_PATH_SEPARATOR ';'
268 #define PR_PATH_SEPARATOR_STR ";"
269 #define _MD_ERRNO() errno
270 #define _MD_OPEN_DIR (_PR_MD_OPEN_DIR)
271 #define _MD_CLOSE_DIR (_PR_MD_CLOSE_DIR)
272 #define _MD_READ_DIR (_PR_MD_READ_DIR)
274 /* --- Segment stuff --- */
275 #define _MD_INIT_SEGS()
276 #define _MD_ALLOC_SEGMENT(seg, size, vaddr) 0
277 #define _MD_FREE_SEGMENT(seg)
279 /* --- Environment Stuff --- */
280 #define _MD_GET_ENV (_PR_MD_GET_ENV)
281 #define _MD_PUT_ENV (_PR_MD_PUT_ENV)
283 /* --- Threading Stuff --- */
284 #define _MD_DEFAULT_STACK_SIZE 65536L
285 #define _MD_INIT_THREAD (_PR_MD_INIT_THREAD)
286 #define _MD_INIT_ATTACHED_THREAD (_PR_MD_INIT_THREAD)
287 #define _MD_CREATE_THREAD (_PR_MD_CREATE_THREAD)
288 #define _MD_YIELD (_PR_MD_YIELD)
289 #define _MD_SET_PRIORITY (_PR_MD_SET_PRIORITY)
290 #define _MD_CLEAN_THREAD (_PR_MD_CLEAN_THREAD)
291 #define _MD_SETTHREADAFFINITYMASK (_PR_MD_SETTHREADAFFINITYMASK)
292 #define _MD_GETTHREADAFFINITYMASK (_PR_MD_GETTHREADAFFINITYMASK)
293 #define _MD_EXIT_THREAD (_PR_MD_EXIT_THREAD)
294 #define _MD_SUSPEND_THREAD (_PR_MD_SUSPEND_THREAD)
295 #define _MD_RESUME_THREAD (_PR_MD_RESUME_THREAD)
296 #define _MD_SUSPEND_CPU (_PR_MD_SUSPEND_CPU)
297 #define _MD_RESUME_CPU (_PR_MD_RESUME_CPU)
298 #define _MD_WAKEUP_CPUS (_PR_MD_WAKEUP_CPUS)
299 #define _MD_BEGIN_SUSPEND_ALL()
300 #define _MD_BEGIN_RESUME_ALL()
301 #define _MD_END_SUSPEND_ALL()
302 #define _MD_END_RESUME_ALL()
304 /* --- Lock stuff --- */
305 #define _PR_LOCK _MD_LOCK
306 #define _PR_UNLOCK _MD_UNLOCK
308 #define _MD_NEW_LOCK (_PR_MD_NEW_LOCK)
309 #define _MD_FREE_LOCK(lock) (DosCloseMutexSem((lock)->mutex))
310 #define _MD_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT))
311 #define _MD_TEST_AND_LOCK(lock) (DosRequestMutexSem((lock)->mutex, SEM_INDEFINITE_WAIT),0)
312 #define _MD_UNLOCK (_PR_MD_UNLOCK)
314 /* --- lock and cv waiting --- */
315 #define _MD_WAIT (_PR_MD_WAIT)
316 #define _MD_WAKEUP_WAITER (_PR_MD_WAKEUP_WAITER)
318 /* --- CVar ------------------- */
319 #define _MD_WAIT_CV (_PR_MD_WAIT_CV)
320 #define _MD_NEW_CV (_PR_MD_NEW_CV)
321 #define _MD_FREE_CV (_PR_MD_FREE_CV)
322 #define _MD_NOTIFY_CV (_PR_MD_NOTIFY_CV )
323 #define _MD_NOTIFYALL_CV (_PR_MD_NOTIFYALL_CV)
325 /* XXXMB- the IOQ stuff is certainly not working correctly yet. */
326 /* extern struct _MDLock _pr_ioq_lock; */
327 #define _MD_IOQ_LOCK()
328 #define _MD_IOQ_UNLOCK()
331 /* --- Initialization stuff --- */
332 #define _MD_START_INTERRUPTS()
333 #define _MD_STOP_INTERRUPTS()
334 #define _MD_DISABLE_CLOCK_INTERRUPTS()
335 #define _MD_ENABLE_CLOCK_INTERRUPTS()
336 #define _MD_BLOCK_CLOCK_INTERRUPTS()
337 #define _MD_UNBLOCK_CLOCK_INTERRUPTS()
338 #define _MD_EARLY_INIT (_PR_MD_EARLY_INIT)
339 #define _MD_FINAL_INIT()
340 #define _MD_EARLY_CLEANUP()
341 #define _MD_INIT_CPUS()
342 #define _MD_INIT_RUNNING_CPU(cpu)
344 struct PRProcess;
345 struct PRProcessAttr;
347 #define _MD_CREATE_PROCESS _PR_CreateOS2Process
348 extern struct PRProcess * _PR_CreateOS2Process(
349 const char *path,
350 char *const *argv,
351 char *const *envp,
352 const struct PRProcessAttr *attr
353 );
355 #define _MD_DETACH_PROCESS _PR_DetachOS2Process
356 extern PRStatus _PR_DetachOS2Process(struct PRProcess *process);
358 /* --- Wait for a child process to terminate --- */
359 #define _MD_WAIT_PROCESS _PR_WaitOS2Process
360 extern PRStatus _PR_WaitOS2Process(struct PRProcess *process,
361 PRInt32 *exitCode);
363 #define _MD_KILL_PROCESS _PR_KillOS2Process
364 extern PRStatus _PR_KillOS2Process(struct PRProcess *process);
366 #define _MD_CLEANUP_BEFORE_EXIT()
367 #define _MD_EXIT (_PR_MD_EXIT)
368 #define _MD_INIT_CONTEXT(_thread, _sp, _main, status) \
369 PR_BEGIN_MACRO \
370 *status = PR_TRUE; \
371 PR_END_MACRO
372 #define _MD_SWITCH_CONTEXT
373 #define _MD_RESTORE_CONTEXT
375 /* --- Intervals --- */
376 #define _MD_INTERVAL_INIT (_PR_MD_INTERVAL_INIT)
377 #define _MD_GET_INTERVAL (_PR_MD_GET_INTERVAL)
378 #define _MD_INTERVAL_PER_SEC (_PR_MD_INTERVAL_PER_SEC)
379 #define _MD_INTERVAL_PER_MILLISEC() (_PR_MD_INTERVAL_PER_SEC() / 1000)
380 #define _MD_INTERVAL_PER_MICROSEC() (_PR_MD_INTERVAL_PER_SEC() / 1000000)
382 /* --- Native-Thread Specific Definitions ------------------------------- */
384 typedef struct __NSPR_TLS
385 {
386 struct PRThread *_pr_thread_last_run;
387 struct PRThread *_pr_currentThread;
388 struct _PRCPU *_pr_currentCPU;
389 } _NSPR_TLS;
391 extern _NSPR_TLS* pThreadLocalStorage;
392 NSPR_API(void) _PR_MD_ENSURE_TLS(void);
394 #define _MD_GET_ATTACHED_THREAD() pThreadLocalStorage->_pr_currentThread
395 extern struct PRThread * _MD_CURRENT_THREAD(void);
396 #define _MD_SET_CURRENT_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentThread = (_thread)
398 #define _MD_LAST_THREAD() pThreadLocalStorage->_pr_thread_last_run
399 #define _MD_SET_LAST_THREAD(_thread) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_thread_last_run = (_thread)
401 #define _MD_CURRENT_CPU() pThreadLocalStorage->_pr_currentCPU
402 #define _MD_SET_CURRENT_CPU(_cpu) _PR_MD_ENSURE_TLS(); pThreadLocalStorage->_pr_currentCPU = (_cpu)
404 /* lth. #define _MD_SET_INTSOFF(_val) (_pr_ints_off = (_val)) */
405 /* lth. #define _MD_GET_INTSOFF() _pr_ints_off */
406 /* lth. #define _MD_INCREMENT_INTSOFF() (_pr_ints_off++) */
407 /* lth. #define _MD_DECREMENT_INTSOFF() (_pr_ints_off--) */
409 /* --- Scheduler stuff --- */
410 #define LOCK_SCHEDULER() 0
411 #define UNLOCK_SCHEDULER() 0
412 #define _PR_LockSched() 0
413 #define _PR_UnlockSched() 0
415 /* --- Initialization stuff --- */
416 #define _MD_INIT_LOCKS()
418 /* --- Stack stuff --- */
419 #define _MD_INIT_STACK(stack, redzone)
420 #define _MD_CLEAR_STACK(stack)
422 /* --- Memory-mapped files stuff --- */
423 /* ReadOnly and WriteCopy modes are simulated on OS/2;
424 * ReadWrite mode is not supported.
425 */
426 struct _MDFileMap {
427 PROffset64 maxExtent;
428 };
430 extern PRStatus _MD_CreateFileMap(struct PRFileMap *fmap, PRInt64 size);
431 #define _MD_CREATE_FILE_MAP _MD_CreateFileMap
433 extern PRInt32 _MD_GetMemMapAlignment(void);
434 #define _MD_GET_MEM_MAP_ALIGNMENT _MD_GetMemMapAlignment
436 extern void * _MD_MemMap(struct PRFileMap *fmap, PRInt64 offset,
437 PRUint32 len);
438 #define _MD_MEM_MAP _MD_MemMap
440 extern PRStatus _MD_MemUnmap(void *addr, PRUint32 size);
441 #define _MD_MEM_UNMAP _MD_MemUnmap
443 extern PRStatus _MD_CloseFileMap(struct PRFileMap *fmap);
444 #define _MD_CLOSE_FILE_MAP _MD_CloseFileMap
446 /* Some stuff for setting up thread contexts */
447 typedef ULONG DWORD, *PDWORD;
449 /* The following definitions and two structures are new in OS/2 Warp 4.0.
450 */
451 #ifndef CONTEXT_CONTROL
452 #define CONTEXT_CONTROL 0x00000001
453 #define CONTEXT_INTEGER 0x00000002
454 #define CONTEXT_SEGMENTS 0x00000004
455 #define CONTEXT_FLOATING_POINT 0x00000008
456 #define CONTEXT_FULL 0x0000000F
458 #pragma pack(2)
459 typedef struct _FPREG {
460 ULONG losig; /* Low 32-bits of the significand. */
461 ULONG hisig; /* High 32-bits of the significand. */
462 USHORT signexp; /* Sign and exponent. */
463 } FPREG;
464 typedef struct _CONTEXTRECORD {
465 ULONG ContextFlags;
466 ULONG ctx_env[7];
467 FPREG ctx_stack[8];
468 ULONG ctx_SegGs; /* GS register. */
469 ULONG ctx_SegFs; /* FS register. */
470 ULONG ctx_SegEs; /* ES register. */
471 ULONG ctx_SegDs; /* DS register. */
472 ULONG ctx_RegEdi; /* EDI register. */
473 ULONG ctx_RegEsi; /* ESI register. */
474 ULONG ctx_RegEax; /* EAX register. */
475 ULONG ctx_RegEbx; /* EBX register. */
476 ULONG ctx_RegEcx; /* ECX register. */
477 ULONG ctx_RegEdx; /* EDX register. */
478 ULONG ctx_RegEbp; /* EBP register. */
479 ULONG ctx_RegEip; /* EIP register. */
480 ULONG ctx_SegCs; /* CS register. */
481 ULONG ctx_EFlags; /* EFLAGS register. */
482 ULONG ctx_RegEsp; /* ESP register. */
483 ULONG ctx_SegSs; /* SS register. */
484 } CONTEXTRECORD, *PCONTEXTRECORD;
485 #pragma pack()
486 #endif
488 extern APIRET (* APIENTRY QueryThreadContext)(TID, ULONG, PCONTEXTRECORD);
490 /*
491 #define _pr_tid (((PTIB2)_getTIBvalue(offsetof(TIB, tib_ptib2)))->tib2_ultid)
492 #define _pr_current_Thread (_system_tls[_pr_tid-1].__pr_current_thread)
493 */
495 /* Some simple mappings of Windows API's to OS/2 API's to make our lives a
496 * little bit easier. Only add one here if it is a DIRECT mapping. We are
497 * not emulating anything. Just mapping.
498 */
499 #define FreeLibrary(x) DosFreeModule((HMODULE)x)
500 #define OutputDebugStringA(x)
502 extern int _MD_os2_get_nonblocking_connect_error(int osfd);
504 #endif /* nspr_os2_defs_h___ */
