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      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
      2 /*
      3  * The contents of this file are subject to the Mozilla Public
      4  * License Version 1.1 (the "License"); you may not use this file
      5  * except in compliance with the License. You may obtain a copy of
      6  * the License at http://www.mozilla.org/MPL/
      7  *
      8  * Software distributed under the License is distributed on an "AS
      9  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
     10  * implied. See the License for the specific language governing
     11  * rights and limitations under the License.
     12  *
     13  * The Original Code is the Netscape Portable Runtime (NSPR).
     14  *
     15  * The Initial Developer of the Original Code is Netscape
     16  * Communications Corporation.  Portions created by Netscape are
     17  * Copyright (C) 1998-2000 Netscape Communications Corporation.  All
     18  * Rights Reserved.
     19  *
     20  * Contributor(s):
     21  *
     22  * Alternatively, the contents of this file may be used under the
     23  * terms of the GNU General Public License Version 2 or later (the
     24  * "GPL"), in which case the provisions of the GPL are applicable
     25  * instead of those above.  If you wish to allow use of your
     26  * version of this file only under the terms of the GPL and not to
     27  * allow others to use your version of this file under the MPL,
     28  * indicate your decision by deleting the provisions above and
     29  * replace them with the notice and other provisions required by
     30  * the GPL.  If you do not delete the provisions above, a recipient
     31  * may use your version of this file under either the MPL or the
     32  * GPL.
     33  */
     34 
     35 #ifndef nspr_beos_defs_h___
     36 #define nspr_beos_defs_h___
     37 
     38 #include "prtypes.h"
     39 #include "prio.h"
     40 #include "prthread.h"
     41 #include "prproces.h"
     42 #include "prmem.h"
     43 #include "obsolete/prsem.h"
     44 #include <errno.h>
     45 
     46 #include <support/SupportDefs.h>
     47 #include <kernel/OS.h>
     48 #include <dirent.h>
     49 
     50 /*
     51  * Internal configuration macros
     52  */
     53 
     54 #ifdef BONE_VERSION
     55 #define _PR_HAVE_SOCKADDR_LEN
     56 #endif
     57 
     58 #define PR_LINKER_ARCH	"beos"
     59 #define _PR_SI_SYSNAME  "BEOS"
     60 #ifdef __powerpc__
     61 #define _PR_SI_ARCHITECTURE "ppc"
     62 #else
     63 #define _PR_SI_ARCHITECTURE "x86"
     64 #endif
     65 #define PR_DLL_SUFFIX		".so"
     66 
     67 #define _PR_VMBASE              0x30000000
     68 #define _PR_STACK_VMBASE	0x50000000
     69 #define _MD_DEFAULT_STACK_SIZE	65536L
     70 #define _MD_MMAP_FLAGS          MAP_PRIVATE
     71 
     72 #undef	HAVE_STACK_GROWING_UP
     73 #define HAVE_DLL
     74 #define _PR_NO_CLOCK_TIMER
     75 
     76 /*
     77  * The Atomic operations
     78  */
     79 
     80 #define _PR_HAVE_ATOMIC_OPS
     81 #define _MD_INIT_ATOMIC _MD_AtomicInit
     82 #define _MD_ATOMIC_INCREMENT _MD_AtomicIncrement
     83 #define _MD_ATOMIC_ADD _MD_AtomicAdd
     84 #define _MD_ATOMIC_DECREMENT _MD_AtomicDecrement
     85 #define _MD_ATOMIC_SET _MD_AtomicSet
     86 
     87 #define HAVE_CVAR_BUILT_ON_SEM
     88 #define _PR_GLOBAL_THREADS_ONLY
     89 #define _PR_BTHREADS
     90 #define _PR_NEED_FAKE_POLL
     91 #define _PR_HAVE_PEEK_BUFFER
     92 #define _PR_PEEK_BUFFER_MAX (16 * 1024)
     93 #define _PR_FD_NEED_EMULATE_MSG_PEEK(fd) 1
     94 #define _PR_CONNECT_DOES_NOT_BIND
     95 
     96 /* Define threading functions and objects as native BeOS */
     97 struct _MDThread {
     98     thread_id	tid;	/* BeOS thread handle */
     99 	sem_id		joinSem;	/* sems used to synchronzie joining */
    100 	PRBool	is_joining;	/* TRUE if someone is currently waiting to
    101 						   join this thread */
    102 };
    103 
    104 struct _MDThreadStack {
    105     PRInt8	notused;
    106 };
    107 
    108 /*
    109  * Lock and Semaphore related definitions
    110  */
    111 
    112 struct _MDLock {
    113     sem_id semaphoreID;
    114     int32  benaphoreCount;
    115 };
    116 
    117 struct _MDCVar {
    118     sem_id sem1;
    119     sem_id sem2;
    120     int16  count;
    121 };
    122 
    123 struct _MDSemaphore {
    124     sem_id sid;
    125 };
    126 
    127 /*
    128 ** CPU-related definitions
    129 */
    130 struct _MDCPU {
    131     int8		unused;
    132 };
    133 
    134 /*
    135 ** Process-related definitions
    136 */
    137 struct _MDProcess {
    138     pid_t pid;
    139 };
    140 
    141 struct _MDSegment {
    142     PRInt8 notused;
    143 };
    144 
    145 /*
    146 ** File- and directory-related definitions
    147 */
    148 
    149 #ifndef BONE_VERSION
    150 #define BE_SOCK_SHUTDOWN_READ	0x01
    151 #define BE_SOCK_SHUTDOWN_WRITE	0x02
    152 #endif
    153 
    154 struct _MDFileDesc {
    155     PRInt32	osfd;
    156     PRInt32	sock_state;
    157     PRBool	accepted_socket;
    158     PRNetAddr	peer_addr;
    159 #ifndef BONE_VERSION
    160     PRBool	connectValueValid;
    161     int		connectReturnValue;
    162     int		connectReturnError;
    163 #endif
    164 };
    165 
    166 struct _MDDir {
    167     DIR		*d;
    168 };
    169 
    170 #define PR_DIRECTORY_SEPARATOR		'/'
    171 #define PR_DIRECTORY_SEPARATOR_STR	"/"
    172 #define PR_PATH_SEPARATOR		':'
    173 #define PR_PATH_SEPARATOR_STR		":"
    174 
    175 #define GETTIMEOFDAY(tp)	gettimeofday((tp), NULL)
    176 
    177 /* --- Memory-mapped files stuff --- not implemented on BeOS */
    178 
    179 struct _MDFileMap {
    180     PRInt8 unused;
    181 };
    182 
    183 /*
    184  * Network related definitions.
    185  */
    186 
    187 #ifndef BONE_VERSION
    188 #define IPPROTO_IP 0
    189 #define AF_UNIX 2
    190 #define TCP_NODELAY SO_NONBLOCK
    191 #define SO_LINGER -1
    192 #define SO_ERROR 4
    193 #endif
    194 
    195 #define _PR_INTERRUPT_CHECK_INTERVAL_SECS 5
    196 
    197 #ifndef BONE_VERSION
    198 /* these aren't actually used. if they are, we're screwed */
    199 struct  protoent {
    200     char    *p_name;        /* official protocol name */
    201     char    **p_aliases;    /* alias list */
    202     int     p_proto;        /* protocol # */
    203 };
    204 
    205 struct protoent* getprotobyname(const char* name);
    206 struct protoent* getprotobynumber(int number);
    207 #endif
    208 
    209 /*
    210  * malloc() related definitions.
    211  */
    212 
    213 #undef _PR_OVERRIDE_MALLOC
    214 
    215 /* Miscellaneous */
    216 
    217 #define _MD_ERRNO()             (errno)
    218 
    219 #define _MD_CLEANUP_BEFORE_EXIT _MD_cleanup_before_exit
    220 #define _MD_EXIT _MD_exit
    221 
    222 #define _MD_GET_ENV getenv
    223 #define _MD_PUT_ENV putenv
    224 
    225 #define _MD_EARLY_INIT _MD_early_init
    226 #define _MD_FINAL_INIT _MD_final_init
    227 
    228 /* CPU Stuff */
    229 
    230 #define _MD_INIT_CPUS _MD_init_cpus
    231 #define _MD_WAKEUP_CPUS _MD_wakeup_cpus
    232 #define _MD_START_INTERRUPTS _MD_start_interrupts
    233 #define _MD_STOP_INTERRUPTS _MD_stop_interrupts
    234 #define _MD_DISABLE_CLOCK_INTERRUPTS _MD_disable_clock_interrupts
    235 #define _MD_BLOCK_CLOCK_INTERRUPTS _MD_block_clock_interrupts
    236 #define _MD_UNBLOCK_CLOCK_INTERRUPTS _MD_unblock_clock_interrupts
    237 #define _MD_CLOCK_INTERRUPT _MD_clock_interrupt
    238 #define _MD_INIT_STACK _MD_init_stack
    239 #define _MD_CLEAR_STACK _MD_clear_stack
    240 // #define _MD_GET_INTSOFF _MD_get_intsoff
    241 // #define _MD_SET_INTSOFF _MD_set_intsoff
    242 #define _MD_CURRENT_CPU _MD_current_cpu
    243 #define _MD_SET_CURRENT_CPU _MD_set_current_cpu
    244 #define _MD_INIT_RUNNING_CPU _MD_init_running_cpu
    245 #define _MD_PAUSE_CPU _MD_pause_cpu
    246 
    247 /* Thread stuff */
    248 
    249 #define _MD_CURRENT_THREAD() PR_GetCurrentThread()
    250 // #define _MD_GET_ATTACHED_THREAD _MD_get_attached_thread
    251 #define _MD_LAST_THREAD _MD_last_thread
    252 #define _MD_SET_CURRENT_THREAD _MD_set_current_THREAD
    253 #define _MD_SET_LAST_THREAD _MD_set_last_thread
    254 #define _MD_INIT_THREAD _MD_init_thread
    255 #define _MD_EXIT_THREAD _MD_exit_thread
    256 #define _MD_INIT_ATTACHED_THREAD _MD_init_attached_thread
    257 
    258 #define _MD_SUSPEND_THREAD _MD_suspend_thread
    259 #define _MD_RESUME_THREAD _MD_resume_thread
    260 #define _MD_SUSPEND_CPU _MD_suspend_cpu
    261 #define _MD_RESUME_CPU _MD_resume_cpu
    262 #define _MD_BEGIN_SUSPEND_ALL _MD_begin_suspend_all
    263 #define _MD_END_SUSPEND_ALL _MD_end_suspend_all
    264 #define _MD_BEGIN_RESUME_ALL _MD_begin_resume_all
    265 #define _MD_END_RESUME_ALL _MD_end_resume_all
    266 
    267 #define _MD_GET_SP _MD_get_sp
    268 
    269 #define _MD_CLEAN_THREAD _MD_clean_thread
    270 #define _MD_CREATE_PRIMORDIAL_USER_THREAD _MD_create_primordial_user_thread
    271 #define _MD_CREATE_USER_THREAD _MD_create_user_thread
    272 #define _MD_INIT_PRIMORDIAL_THREAD _MD_init_primordial_thread
    273 #define _MD_CREATE_THREAD _MD_create_thread
    274 #define _MD_YIELD _MD_yield
    275 #define _MD_SET_PRIORITY _MD_set_priority
    276 
    277 #define _MD_SUSPENDALL _MD_suspendall
    278 #define _MD_RESUMEALL _MD_resumeall
    279 
    280 #define _MD_SWITCH_CONTEXT _MD_switch_context
    281 #define _MD_RESTORE_CONTEXT _MD_restore_context
    282 
    283 #define _MD_WAIT _MD_wait
    284 #define _MD_WAKEUP_WAITER _MD_wakeup_waiter
    285 
    286 #define _MD_SETTHREADAFFINITYMASK _MD_setthreadaffinitymask
    287 #define _MD_GETTHREADAFFINITYMASK _MD_getthreadaffinitymask
    288 
    289 /* Thread Synchronization */
    290 
    291 #define _MD_INIT_LOCKS _MD_init_locks
    292 #define _MD_NEW_LOCK _MD_new_lock
    293 #define _MD_FREE_LOCK _MD_free_lock
    294 #define _MD_LOCK _MD_lock
    295 #define _MD_TEST_AND_LOCK _MD_test_and_lock
    296 #define _MD_UNLOCK _MD_unlock
    297 #define _MD_IOQ_LOCK _MD_ioq_lock
    298 #define _MD_IOQ_UNLOCK _MD_ioq_unlock
    299 #define _MD_NEW_SEM _MD_new_sem
    300 #define _MD_DESTROY_SEM _MD_destroy_sem
    301 #define _MD_TIMED_WAIT_SEM _MD_timed_wait_sem
    302 #define _MD_WAIT_SEM _MD_wait_sem
    303 #define _MD_POST_SEM _MD_post_sem
    304 // #define _MD_NEW_CV _MD_new_cv
    305 // #define _MD_FREE_CV _MD_free_cv
    306 // #define _MD_WAIT_CV _MD_wait_cv
    307 // #define _MD_NOTIFY_CV _MD_notify_cv
    308 // #define _MD_NOTIFYALL_CV _MD_notifyall_cv
    309 
    310 /* File I/O */
    311 
    312 /* don't need any I/O initializations */
    313 #define _MD_INIT_IO()
    314 #define _MD_INIT_FILEDESC(fd)
    315 
    316 #define _MD_OPEN_DIR _MD_open_dir
    317 #define _MD_READ_DIR _MD_read_dir
    318 #define _MD_CLOSE_DIR _MD_close_dir
    319 #define _MD_MAKE_NONBLOCK _MD_make_nonblock
    320 #define _MD_SET_FD_INHERITABLE _MD_set_fd_inheritable
    321 #define _MD_INIT_FD_INHERITABLE _MD_init_fd_inheritable
    322 #define _MD_QUERY_FD_INHERITABLE _MD_query_fd_inheritable
    323 #define _MD_OPEN _MD_open
    324 #define _MD_OPEN_FILE _MD_open
    325 #define _MD_CLOSE_FILE _MD_close_file
    326 #define _MD_READ _MD_read
    327 #define _MD_WRITE _MD_write
    328 #define _MD_WRITEV _MD_writev
    329 #define _MD_LSEEK _MD_lseek
    330 #define _MD_LSEEK64 _MD_lseek64
    331 #define _MD_FSYNC _MD_fsync
    332 #define _MD_DELETE _MD_delete
    333 #define _MD_GETFILEINFO _MD_getfileinfo
    334 #define _MD_GETFILEINFO64 _MD_getfileinfo64
    335 #define _MD_GETOPENFILEINFO _MD_getopenfileinfo
    336 #define _MD_GETOPENFILEINFO64 _MD_getopenfileinfo64
    337 #define _MD_RENAME _MD_rename
    338 #define _MD_ACCESS _MD_access
    339 #define _MD_STAT stat
    340 #define _MD_MKDIR _MD_mkdir
    341 #define _MD_MAKE_DIR _MD_mkdir
    342 #define _MD_RMDIR _MD_rmdir
    343 #define _MD_PR_POLL _MD_pr_poll
    344 
    345 /* Network I/O */
    346 
    347 #define _MD_CLOSE_SOCKET _MD_close_socket
    348 #define _MD_CONNECT _MD_connect
    349 #define _MD_ACCEPT _MD_accept
    350 #define _MD_BIND _MD_bind
    351 #define _MD_LISTEN _MD_listen
    352 #define _MD_SHUTDOWN _MD_shutdown
    353 #define _MD_RECV _MD_recv
    354 #define _MD_SEND _MD_send
    355 #define _MD_ACCEPT_READ _MD_accept_read
    356 #define _MD_GETSOCKNAME _MD_getsockname
    357 #define _MD_GETPEERNAME _MD_getpeername
    358 #define _MD_GETSOCKOPT _MD_getsockopt
    359 #define _MD_SETSOCKOPT _MD_setsockopt
    360 #define _MD_RECVFROM _MD_recvfrom
    361 #define _MD_SENDTO _MD_sendto
    362 #define _MD_SOCKETPAIR _MD_socketpair
    363 #define _MD_SOCKET _MD_socket
    364 #define _MD_SOCKETAVAILABLE _MD_socketavailable
    365 #define _MD_PIPEAVAILABLE _MD_socketavailable
    366 
    367 #define _MD_GET_SOCKET_ERROR()	(errno)
    368 #define _MD_GETHOSTNAME _MD_gethostname
    369 
    370 #define _MD_SELECT select
    371 
    372 /* Process management */
    373 
    374 #define _MD_CREATE_PROCESS _MD_create_process
    375 #define _MD_DETACH_PROCESS _MD_detach_process
    376 #define _MD_WAIT_PROCESS _MD_wait_process
    377 #define _MD_KILL_PROCESS _MD_kill_process
    378 
    379 /* Atomic data operations */
    380 
    381 // #define _MD_INIT_ATOMIC _MD_init_atomic
    382 // #define _MD_ATOMIC_INCREMENT _MD_atomic_increment
    383 // #define _MD_ATOMIC_DECREMENT _MD_atomic_decrement
    384 // #define _MD_ATOMIC_SET _MD_atomic_set
    385 
    386 /* memory management */
    387 
    388 #define _MD_INIT_SEGS _MD_init_segs
    389 #define _MD_ALLOC_SEGMENT _MD_alloc_segment
    390 #define _MD_FREE_SEGMENT _MD_free_segment
    391 
    392 /* Memory mapped file I/O */
    393 
    394 #define _MD_CREATE_FILE_MAP _MD_create_file_map
    395 #define _MD_GET_MEM_MAP_ALIGNMENT _MD_get_mem_map_alignment
    396 #define _MD_MEM_MAP _MD_mem_map
    397 #define _MD_MEM_UNMAP _MD_mem_unmap
    398 #define _MD_CLOSE_FILE_MAP _MD_close_file_map
    399 
    400 /* Time related */
    401 
    402 #define _MD_NOW _MD_now
    403 #define _MD_INTERVAL_INIT _MD_interval_init
    404 #define _MD_GET_INTERVAL _MD_get_interval
    405 #define _MD_INTERVAL_PER_SEC _MD_interval_per_sec
    406 
    407 /* File locking */
    408 
    409 #define _MD_LOCKFILE _MD_lockfile
    410 #define _MD_TLOCKFILE _MD_tlockfile
    411 #define _MD_UNLOCKFILE _MD_unlockfile
    412 
    413 /**
    414  * Prototypes for machine dependent function implementations. (Too bad
    415  * NSPR's MD system blows so much that we have to reiterate every stinking
    416  * thing we implement here in our MD header file.)
    417  */
    418 
    419 /* Miscellaneous */
    420 
    421 NSPR_API(void) _MD_cleanup_before_exit(void);
    422 NSPR_API(void) _MD_exit(PRIntn status);
    423 
    424 NSPR_API(char*) _MD_get_env(const char *name);
    425 NSPR_API(PRIntn) _MD_put_env(const char *name);
    426 
    427 NSPR_API(void) _MD_early_init(void);
    428 NSPR_API(void) _MD_final_init(void);
    429 
    430 /* CPU Stuff */
    431 
    432 NSPR_API(void) _MD_init_cpus();
    433 NSPR_API(void) _MD_wakeup_cpus();
    434 NSPR_API(void) _MD_start_interrupts(void);
    435 NSPR_API(void) _MD_stop_interrupts(void);
    436 NSPR_API(void) _MD_disable_clock_interrupts(void);
    437 NSPR_API(void) _MD_block_clock_interrupts(void);
    438 NSPR_API(void) _MD_unblock_clock_interrupts(void);
    439 NSPR_API(void) _MD_clock_interrupt(void);
    440 // NSPR_API(void) _MD_init_stack(PRThreadStack *ts, PRIntn redzone);
    441 // NSPR_API(void) _MD_clear_stack(PRThreadStack* ts);
    442 // NSPR_API(PRInt32) _MD_get_intsoff(void);
    443 // NSPR_API(void) _MD_set_intsoff(PRInt32 _val);
    444 // NSPR_API(_PRCPU*) _MD_current_cpu(void);
    445 // NSPR_API(void) _MD_set_current_cpu(_PRCPU *cpu);
    446 // NSPR_API(void) _MD_init_running_cpu(_PRCPU *cpu);
    447 NSPR_API(PRInt32) _MD_pause_cpu(PRIntervalTime timeout);
    448 
    449 /* Thread stuff */
    450 
    451 // NSPR_API(PRThread*) _MD_current_thread(void);
    452 NSPR_API(PRThread*) _MD_get_attached_thread(void);
    453 NSPR_API(PRThread*) _MD_last_thread(void);
    454 NSPR_API(void) _MD_set_current_thread(PRThread *thread);
    455 NSPR_API(void) _MD_set_last_thread(PRThread *thread);
    456 NSPR_API(PRStatus) _MD_init_thread(PRThread *thread);
    457 NSPR_API(void) _MD_exit_thread(PRThread *thread);
    458 NSPR_API(PRStatus) _MD_init_attached_thread(PRThread *thread);
    459 
    460 NSPR_API(void) _MD_suspend_thread(PRThread *thread);
    461 NSPR_API(void) _MD_resume_thread(PRThread *thread);
    462 // NSPR_API(void) _MD_suspend_cpu(_PRCPU  *cpu);
    463 // NSPR_API(void) _MD_resume_cpu(_PRCPU  *cpu);
    464 NSPR_API(void) _MD_begin_suspend_all(void);
    465 NSPR_API(void) _MD_end_suspend_all(void);
    466 NSPR_API(void) _MD_begin_resume_all(void);
    467 NSPR_API(void) _MD_end_resume_all(void);
    468 
    469 NSPR_API(void *) _MD_get_sp(PRThread *thread);
    470 
    471 NSPR_API(void) _MD_clean_thread(PRThread *thread);
    472 NSPR_API(void) _MD_create_primordial_user_thread(PRThread *);
    473 NSPR_API(PRThread*) _MD_create_user_thread(PRUint32 stacksize, void (*start)(void *), void *arg);
    474 NSPR_API(void) _MD_init_primordial_thread(PRThread *thread);
    475 NSPR_API(PRStatus) _MD_create_thread(PRThread *thread, void (*start)(void *), PRThreadPriority priority, PRThreadScope scope, PRThreadState state, PRUint32 stackSize);
    476 NSPR_API(void) _MD_yield(void);
    477 NSPR_API(void) _MD_set_priority(struct _MDThread *md, PRThreadPriority newPri);
    478 
    479 NSPR_API(void) _MD_suspendall(void);
    480 NSPR_API(void) _MD_resumeall(void);
    481 
    482 NSPR_API(void) _MD_init_context(PRThread *thread, char *top, void (*start) (void), PRBool *status);
    483 NSPR_API(void) _MD_switch_context(PRThread *thread);
    484 NSPR_API(void) _MD_restore_context(PRThread *thread);
    485 
    486 NSPR_API(PRStatus) _MD_wait(PRThread *, PRIntervalTime timeout);
    487 NSPR_API(PRStatus) _MD_wakeup_waiter(PRThread *);
    488 
    489 NSPR_API(PRInt32) _MD_setthreadaffinitymask(PRThread *thread, PRUint32 mask );
    490 NSPR_API(PRInt32) _MD_getthreadaffinitymask(PRThread *thread, PRUint32 *mask);
    491 
    492 /* Thread Synchronization */
    493 
    494 NSPR_API(void) _MD_init_locks(void);
    495 NSPR_API(PRStatus) _MD_new_lock(struct _MDLock *md);
    496 NSPR_API(void) _MD_free_lock(struct _MDLock *md);
    497 NSPR_API(void) _MD_lock(struct _MDLock *md);
    498 NSPR_API(PRIntn) _MD_test_and_lock(struct _MDLock *md);
    499 NSPR_API(void) _MD_unlock(struct _MDLock *md);
    500 NSPR_API(void) _MD_ioq_lock(void);
    501 NSPR_API(void) _MD_ioq_unlock(void);
    502 NSPR_API(void) _MD_new_sem(struct _MDSemaphore *md, PRUintn value);
    503 NSPR_API(void) _MD_destroy_sem(struct _MDSemaphore *md);
    504 NSPR_API(PRStatus) _MD_timed_wait_sem(struct _MDSemaphore *md, PRIntervalTime timeout);
    505 NSPR_API(PRStatus) _MD_wait_sem(struct _MDSemaphore *md);
    506 NSPR_API(void) _MD_post_sem(struct _MDSemaphore *md);
    507 // NSPR_API(PRInt32) _MD_new_cv(struct _MDCVar *md);
    508 // NSPR_API(void) _MD_free_cv(struct _MDCVar *md);
    509 // NSPR_API(void) _MD_wait_cv(struct _MDCVar *mdCVar, struct _MDLock *mdLock, PRIntervalTime timeout);
    510 // NSPR_API(void) _MD_notify_cv(struct _MDCVar *md, struct _MDLock *lock);
    511 // NSPR_API(void) _MD_notifyall_cv(struct _MDCVar *md, struct _MDLock *lock);
    512 
    513 /* File I/O */
    514 
    515 // NSPR_API(void) _MD_init_io(void);
    516 NSPR_API(PRStatus) _MD_open_dir(struct _MDDir *md,const char *name);
    517 NSPR_API(char *) _MD_read_dir(struct _MDDir *md, PRIntn flags);
    518 NSPR_API(PRInt32) _MD_close_dir(struct _MDDir *md);
    519 NSPR_API(void) _MD_make_nonblock(PRFileDesc *fd);
    520 NSPR_API(void) _MD_init_fd_inheritable(PRFileDesc *fd, PRBool imported);
    521 NSPR_API(void) _MD_query_fd_inheritable(PRFileDesc *fd);
    522 NSPR_API(PRInt32) _MD_open(const char *name, PRIntn osflags, PRIntn mode);
    523 NSPR_API(PRInt32) _MD_close_file(PRInt32 osfd);
    524 NSPR_API(PRInt32) _MD_read(PRFileDesc *fd, void *buf, PRInt32 amount);
    525 NSPR_API(PRInt32) _MD_write(PRFileDesc *fd, const void *buf, PRInt32 amount);
    526 NSPR_API(PRInt32) _MD_writev(PRFileDesc *fd, const PRIOVec *iov, PRInt32 iov_size, PRIntervalTime timeout);
    527 NSPR_API(PRInt32) _MD_lseek(PRFileDesc *fd, PRInt32 offset, int whence);
    528 NSPR_API(PRInt64) _MD_lseek64(PRFileDesc *fd, PRInt64 offset, int whence);
    529 NSPR_API(PRInt32) _MD_fsync(PRFileDesc *fd);
    530 NSPR_API(PRInt32) _MD_delete(const char *name);
    531 NSPR_API(PRInt32) _MD_getfileinfo(const char *fn, PRFileInfo *info);
    532 NSPR_API(PRInt32) _MD_getfileinfo64(const char *fn, PRFileInfo64 *info);
    533 NSPR_API(PRInt32) _MD_getopenfileinfo(const PRFileDesc *fd, PRFileInfo *info);
    534 NSPR_API(PRInt32) _MD_getopenfileinfo64(const PRFileDesc *fd, PRFileInfo64 *info);
    535 NSPR_API(PRInt32) _MD_rename(const char *from, const char *to);
    536 NSPR_API(PRInt32) _MD_access(const char *name, PRIntn how);
    537 NSPR_API(PRInt32) _MD_stat(const char *name, struct stat *buf);
    538 NSPR_API(PRInt32) _MD_mkdir(const char *name, PRIntn mode);
    539 NSPR_API(PRInt32) _MD_rmdir(const char *name);
    540 NSPR_API(PRInt32) _MD_pr_poll(PRPollDesc *pds, PRIntn npds, PRIntervalTime timeout);
    541 
    542 /* Network I/O */
    543 NSPR_API(PRInt32) _MD_close_socket(PRInt32 osfd);
    544 NSPR_API(PRInt32) _MD_connect(PRFileDesc *fd, const PRNetAddr *addr, PRUint32 addrlen, PRIntervalTime timeout);
    545 NSPR_API(PRInt32) _MD_accept(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *addrlen, PRIntervalTime timeout);
    546 NSPR_API(PRInt32) _MD_bind(PRFileDesc *fd, const PRNetAddr *addr, PRUint32 addrlen);
    547 NSPR_API(PRInt32) _MD_listen(PRFileDesc *fd, PRIntn backlog);
    548 NSPR_API(PRInt32) _MD_shutdown(PRFileDesc *fd, PRIntn how);
    549 NSPR_API(PRInt32) _MD_recv(PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags, PRIntervalTime timeout);
    550 NSPR_API(PRInt32) _MD_send(PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags, PRIntervalTime timeout);
    551 NSPR_API(PRInt32) _MD_accept_read(PRFileDesc *sd, PRInt32 *newSock, PRNetAddr **raddr, void *buf, PRInt32 amount, PRIntervalTime timeout);
    552 // NSPR_API(PRInt32) _MD_fast_accept(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *addrlen, PRIntervalTime timeout, PRBool fast, _PR_AcceptTimeoutCallback callback, void *callbackArg);
    553 // NSPR_API(PRInt32) _MD_fast_accept_read(PRFileDesc *sd, PRInt32 *newSock, PRNetAddr **raddr, void *buf, PRInt32 amount, PRIntervalTime timeout, PRBool fast, _PR_AcceptTimeoutCallback callback, void *callbackArg);
    554 // NSPR_API(void) _MD_update_accept_context(PRInt32 s, PRInt32 ls);
    555 NSPR_API(PRStatus) _MD_getsockname(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *addrlen);
    556 NSPR_API(PRStatus) _MD_getpeername(PRFileDesc *fd, PRNetAddr *addr, PRUint32 *addrlen);
    557 NSPR_API(PRStatus) _MD_getsockopt(PRFileDesc *fd, PRInt32 level, PRInt32 optname, char* optval, PRInt32* optlen);
    558 NSPR_API(PRStatus) _MD_setsockopt(PRFileDesc *fd, PRInt32 level, PRInt32 optname, const char* optval, PRInt32 optlen);
    559 NSPR_API(PRInt32) _MD_recvfrom(PRFileDesc *fd, void *buf, PRInt32 amount, PRIntn flags, PRNetAddr *addr, PRUint32 *addrlen, PRIntervalTime timeout);
    560 NSPR_API(PRInt32) _MD_sendto(PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags, const PRNetAddr *addr, PRUint32 addrlen, PRIntervalTime timeout);
    561 NSPR_API(PRInt32) _MD_socketpair(int af, int type, int flags, PRInt32 *osfd);
    562 NSPR_API(PRInt32) _MD_socket(int af, int type, int flags);
    563 NSPR_API(PRInt32) _MD_socketavailable(PRFileDesc *fd);
    564 
    565 // NSPR_API(PRInt32) _MD_get_socket_error(void);
    566 NSPR_API(PRStatus) _MD_gethostname(char *name, PRUint32 namelen);
    567 
    568 /* Process management */
    569 
    570 NSPR_API(PRProcess *) _MD_create_process(const char *path, char *const *argv, char *const *envp, const PRProcessAttr *attr);
    571 NSPR_API(PRStatus) _MD_detach_process(PRProcess *process);
    572 NSPR_API(PRStatus) _MD_wait_process(PRProcess *process, PRInt32 *exitCode);
    573 NSPR_API(PRStatus) _MD_kill_process(PRProcess *process);
    574 
    575 /* Atomic data operations */
    576 
    577 // NSPR_API(void) _MD_init_atomic(void);
    578 // NSPR_API(PRInt32) _MD_atomic_increment(PRInt32 *);
    579 // NSPR_API(PRInt32) _MD_atomic_decrement(PRInt32 *);
    580 // NSPR_API(PRInt32) _MD_atomic_set(PRInt32 *, PRInt32);
    581 
    582 /* Memory management */
    583 
    584 NSPR_API(void) _MD_init_segs(void);
    585 NSPR_API(PRStatus) _MD_alloc_segment(PRSegment *seg, PRUint32 size, void *vaddr);
    586 NSPR_API(void) _MD_free_segment(PRSegment *seg);
    587 
    588 /* Memory mapped file I/O */
    589 
    590 NSPR_API(PRStatus) _MD_create_file_map(PRFileMap *fmap, PRInt64 size);
    591 NSPR_API(PRInt32) _MD_get_mem_map_alignment(void);
    592 NSPR_API(void *) _MD_mem_map(PRFileMap *fmap, PRInt64 offset, PRUint32 len);
    593 NSPR_API(PRStatus) _MD_mem_unmap(void *addr, PRUint32 size);
    594 NSPR_API(PRStatus) _MD_close_file_map(PRFileMap *fmap);
    595 
    596 /* Time related */
    597 
    598 NSPR_API(PRTime) _MD_now(void);
    599 NSPR_API(void) _MD_interval_init(void);
    600 NSPR_API(PRIntervalTime) _MD_get_interval(void);
    601 NSPR_API(PRIntervalTime) _MD_interval_per_sec(void);
    602 
    603 /* File locking */
    604 
    605 NSPR_API(PRStatus) _MD_lockfile(PRInt32 osfd);
    606 NSPR_API(PRStatus) _MD_tlockfile(PRInt32 osfd);
    607 NSPR_API(PRStatus) _MD_unlockfile(PRInt32 osfd);
    608 
    609 #endif /* _nspr_beos_defs_h___*/
    610