ipc: use Kconfig options for __ARCH_WANT_[COMPAT_]IPC_PARSE_VERSION
[linux-3.10.git] / arch / sparc / include / asm / unistd.h
1 #ifndef _SPARC_UNISTD_H
2 #define _SPARC_UNISTD_H
3
4 /*
5  * System calls under the Sparc.
6  *
7  * Don't be scared by the ugly clobbers, it is the only way I can
8  * think of right now to force the arguments into fixed registers
9  * before the trap into the system call with gcc 'asm' statements.
10  *
11  * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
12  *
13  * SunOS compatibility based upon preliminary work which is:
14  *
15  * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
16  */
17 #ifndef __32bit_syscall_numbers__
18 #ifndef __arch64__
19 #define __32bit_syscall_numbers__
20 #endif
21 #endif
22
23 #define __NR_restart_syscall      0 /* Linux Specific                              */
24 #define __NR_exit                 1 /* Common                                      */
25 #define __NR_fork                 2 /* Common                                      */
26 #define __NR_read                 3 /* Common                                      */
27 #define __NR_write                4 /* Common                                      */
28 #define __NR_open                 5 /* Common                                      */
29 #define __NR_close                6 /* Common                                      */
30 #define __NR_wait4                7 /* Common                                      */
31 #define __NR_creat                8 /* Common                                      */
32 #define __NR_link                 9 /* Common                                      */
33 #define __NR_unlink              10 /* Common                                      */
34 #define __NR_execv               11 /* SunOS Specific                              */
35 #define __NR_chdir               12 /* Common                                      */
36 #define __NR_chown               13 /* Common                                      */
37 #define __NR_mknod               14 /* Common                                      */
38 #define __NR_chmod               15 /* Common                                      */
39 #define __NR_lchown              16 /* Common                                      */
40 #define __NR_brk                 17 /* Common                                      */
41 #define __NR_perfctr             18 /* Performance counter operations              */
42 #define __NR_lseek               19 /* Common                                      */
43 #define __NR_getpid              20 /* Common                                      */
44 #define __NR_capget              21 /* Linux Specific                              */
45 #define __NR_capset              22 /* Linux Specific                              */
46 #define __NR_setuid              23 /* Implemented via setreuid in SunOS           */
47 #define __NR_getuid              24 /* Common                                      */
48 #define __NR_vmsplice            25 /* ENOSYS under SunOS                          */
49 #define __NR_ptrace              26 /* Common                                      */
50 #define __NR_alarm               27 /* Implemented via setitimer in SunOS          */
51 #define __NR_sigaltstack         28 /* Common                                      */
52 #define __NR_pause               29 /* Is sigblock(0)->sigpause() in SunOS         */
53 #define __NR_utime               30 /* Implemented via utimes() under SunOS        */
54 #ifdef __32bit_syscall_numbers__
55 #define __NR_lchown32            31 /* Linux sparc32 specific                      */
56 #define __NR_fchown32            32 /* Linux sparc32 specific                      */
57 #endif
58 #define __NR_access              33 /* Common                                      */
59 #define __NR_nice                34 /* Implemented via get/setpriority() in SunOS  */
60 #ifdef __32bit_syscall_numbers__
61 #define __NR_chown32             35 /* Linux sparc32 specific                      */
62 #endif
63 #define __NR_sync                36 /* Common                                      */
64 #define __NR_kill                37 /* Common                                      */
65 #define __NR_stat                38 /* Common                                      */
66 #define __NR_sendfile            39 /* Linux Specific                              */
67 #define __NR_lstat               40 /* Common                                      */
68 #define __NR_dup                 41 /* Common                                      */
69 #define __NR_pipe                42 /* Common                                      */
70 #define __NR_times               43 /* Implemented via getrusage() in SunOS        */
71 #ifdef __32bit_syscall_numbers__
72 #define __NR_getuid32            44 /* Linux sparc32 specific                      */
73 #endif
74 #define __NR_umount2             45 /* Linux Specific                              */
75 #define __NR_setgid              46 /* Implemented via setregid() in SunOS         */
76 #define __NR_getgid              47 /* Common                                      */
77 #define __NR_signal              48 /* Implemented via sigvec() in SunOS           */
78 #define __NR_geteuid             49 /* SunOS calls getuid()                        */
79 #define __NR_getegid             50 /* SunOS calls getgid()                        */
80 #define __NR_acct                51 /* Common                                      */
81 #ifdef __32bit_syscall_numbers__
82 #define __NR_getgid32            53 /* Linux sparc32 specific                      */
83 #else
84 #define __NR_memory_ordering     52 /* Linux Specific                              */
85 #endif
86 #define __NR_ioctl               54 /* Common                                      */
87 #define __NR_reboot              55 /* Common                                      */
88 #ifdef __32bit_syscall_numbers__
89 #define __NR_mmap2               56 /* Linux sparc32 Specific                      */
90 #endif
91 #define __NR_symlink             57 /* Common                                      */
92 #define __NR_readlink            58 /* Common                                      */
93 #define __NR_execve              59 /* Common                                      */
94 #define __NR_umask               60 /* Common                                      */
95 #define __NR_chroot              61 /* Common                                      */
96 #define __NR_fstat               62 /* Common                                      */
97 #define __NR_fstat64             63 /* Linux Specific                              */
98 #define __NR_getpagesize         64 /* Common                                      */
99 #define __NR_msync               65 /* Common in newer 1.3.x revs...               */
100 #define __NR_vfork               66 /* Common                                      */
101 #define __NR_pread64             67 /* Linux Specific                              */
102 #define __NR_pwrite64            68 /* Linux Specific                              */
103 #ifdef __32bit_syscall_numbers__
104 #define __NR_geteuid32           69 /* Linux sparc32, sbrk under SunOS             */
105 #define __NR_getegid32           70 /* Linux sparc32, sstk under SunOS             */
106 #endif
107 #define __NR_mmap                71 /* Common                                      */
108 #ifdef __32bit_syscall_numbers__
109 #define __NR_setreuid32          72 /* Linux sparc32, vadvise under SunOS          */
110 #endif
111 #define __NR_munmap              73 /* Common                                      */
112 #define __NR_mprotect            74 /* Common                                      */
113 #define __NR_madvise             75 /* Common                                      */
114 #define __NR_vhangup             76 /* Common                                      */
115 #ifdef __32bit_syscall_numbers__
116 #define __NR_truncate64          77 /* Linux sparc32 Specific                      */
117 #endif
118 #define __NR_mincore             78 /* Common                                      */
119 #define __NR_getgroups           79 /* Common                                      */
120 #define __NR_setgroups           80 /* Common                                      */
121 #define __NR_getpgrp             81 /* Common                                      */
122 #ifdef __32bit_syscall_numbers__
123 #define __NR_setgroups32         82 /* Linux sparc32, setpgrp under SunOS          */
124 #endif
125 #define __NR_setitimer           83 /* Common                                      */
126 #ifdef __32bit_syscall_numbers__
127 #define __NR_ftruncate64         84 /* Linux sparc32 Specific                      */
128 #endif
129 #define __NR_swapon              85 /* Common                                      */
130 #define __NR_getitimer           86 /* Common                                      */
131 #ifdef __32bit_syscall_numbers__
132 #define __NR_setuid32            87 /* Linux sparc32, gethostname under SunOS      */
133 #endif
134 #define __NR_sethostname         88 /* Common                                      */
135 #ifdef __32bit_syscall_numbers__
136 #define __NR_setgid32            89 /* Linux sparc32, getdtablesize under SunOS    */
137 #endif
138 #define __NR_dup2                90 /* Common                                      */
139 #ifdef __32bit_syscall_numbers__
140 #define __NR_setfsuid32          91 /* Linux sparc32, getdopt under SunOS          */
141 #endif
142 #define __NR_fcntl               92 /* Common                                      */
143 #define __NR_select              93 /* Common                                      */
144 #ifdef __32bit_syscall_numbers__
145 #define __NR_setfsgid32          94 /* Linux sparc32, setdopt under SunOS          */
146 #endif
147 #define __NR_fsync               95 /* Common                                      */
148 #define __NR_setpriority         96 /* Common                                      */
149 #define __NR_socket              97 /* Common                                      */
150 #define __NR_connect             98 /* Common                                      */
151 #define __NR_accept              99 /* Common                                      */
152 #define __NR_getpriority        100 /* Common                                      */
153 #define __NR_rt_sigreturn       101 /* Linux Specific                              */
154 #define __NR_rt_sigaction       102 /* Linux Specific                              */
155 #define __NR_rt_sigprocmask     103 /* Linux Specific                              */
156 #define __NR_rt_sigpending      104 /* Linux Specific                              */
157 #define __NR_rt_sigtimedwait    105 /* Linux Specific                              */
158 #define __NR_rt_sigqueueinfo    106 /* Linux Specific                              */
159 #define __NR_rt_sigsuspend      107 /* Linux Specific                              */
160 #ifdef __32bit_syscall_numbers__
161 #define __NR_setresuid32        108 /* Linux Specific, sigvec under SunOS          */
162 #define __NR_getresuid32        109 /* Linux Specific, sigblock under SunOS        */
163 #define __NR_setresgid32        110 /* Linux Specific, sigsetmask under SunOS      */
164 #define __NR_getresgid32        111 /* Linux Specific, sigpause under SunOS        */
165 #define __NR_setregid32         112 /* Linux sparc32, sigstack under SunOS         */
166 #else
167 #define __NR_setresuid          108 /* Linux Specific, sigvec under SunOS          */
168 #define __NR_getresuid          109 /* Linux Specific, sigblock under SunOS        */
169 #define __NR_setresgid          110 /* Linux Specific, sigsetmask under SunOS      */
170 #define __NR_getresgid          111 /* Linux Specific, sigpause under SunOS        */
171 #endif
172 #define __NR_recvmsg            113 /* Common                                      */
173 #define __NR_sendmsg            114 /* Common                                      */
174 #ifdef __32bit_syscall_numbers__
175 #define __NR_getgroups32        115 /* Linux sparc32, vtrace under SunOS           */
176 #endif
177 #define __NR_gettimeofday       116 /* Common                                      */
178 #define __NR_getrusage          117 /* Common                                      */
179 #define __NR_getsockopt         118 /* Common                                      */
180 #define __NR_getcwd             119 /* Linux Specific                              */
181 #define __NR_readv              120 /* Common                                      */
182 #define __NR_writev             121 /* Common                                      */
183 #define __NR_settimeofday       122 /* Common                                      */
184 #define __NR_fchown             123 /* Common                                      */
185 #define __NR_fchmod             124 /* Common                                      */
186 #define __NR_recvfrom           125 /* Common                                      */
187 #define __NR_setreuid           126 /* Common                                      */
188 #define __NR_setregid           127 /* Common                                      */
189 #define __NR_rename             128 /* Common                                      */
190 #define __NR_truncate           129 /* Common                                      */
191 #define __NR_ftruncate          130 /* Common                                      */
192 #define __NR_flock              131 /* Common                                      */
193 #define __NR_lstat64            132 /* Linux Specific                              */
194 #define __NR_sendto             133 /* Common                                      */
195 #define __NR_shutdown           134 /* Common                                      */
196 #define __NR_socketpair         135 /* Common                                      */
197 #define __NR_mkdir              136 /* Common                                      */
198 #define __NR_rmdir              137 /* Common                                      */
199 #define __NR_utimes             138 /* SunOS Specific                              */
200 #define __NR_stat64             139 /* Linux Specific                              */
201 #define __NR_sendfile64         140 /* adjtime under SunOS                         */
202 #define __NR_getpeername        141 /* Common                                      */
203 #define __NR_futex              142 /* gethostid under SunOS                       */
204 #define __NR_gettid             143 /* ENOSYS under SunOS                          */
205 #define __NR_getrlimit          144 /* Common                                      */
206 #define __NR_setrlimit          145 /* Common                                      */
207 #define __NR_pivot_root         146 /* Linux Specific, killpg under SunOS          */
208 #define __NR_prctl              147 /* ENOSYS under SunOS                          */
209 #define __NR_pciconfig_read     148 /* ENOSYS under SunOS                          */
210 #define __NR_pciconfig_write    149 /* ENOSYS under SunOS                          */
211 #define __NR_getsockname        150 /* Common                                      */
212 #define __NR_inotify_init       151 /* Linux specific                              */
213 #define __NR_inotify_add_watch  152 /* Linux specific                              */
214 #define __NR_poll               153 /* Common                                      */
215 #define __NR_getdents64         154 /* Linux specific                              */
216 #ifdef __32bit_syscall_numbers__
217 #define __NR_fcntl64            155 /* Linux sparc32 Specific                      */
218 #endif
219 #define __NR_inotify_rm_watch   156 /* Linux specific                              */
220 #define __NR_statfs             157 /* Common                                      */
221 #define __NR_fstatfs            158 /* Common                                      */
222 #define __NR_umount             159 /* Common                                      */
223 #define __NR_sched_set_affinity 160 /* Linux specific, async_daemon under SunOS    */
224 #define __NR_sched_get_affinity 161 /* Linux specific, getfh under SunOS           */
225 #define __NR_getdomainname      162 /* SunOS Specific                              */
226 #define __NR_setdomainname      163 /* Common                                      */
227 #ifndef __32bit_syscall_numbers__
228 #define __NR_utrap_install      164 /* SYSV ABI/v9 required                        */
229 #endif
230 #define __NR_quotactl           165 /* Common                                      */
231 #define __NR_set_tid_address    166 /* Linux specific, exportfs under SunOS        */
232 #define __NR_mount              167 /* Common                                      */
233 #define __NR_ustat              168 /* Common                                      */
234 #define __NR_setxattr           169 /* SunOS: semsys                               */
235 #define __NR_lsetxattr          170 /* SunOS: msgsys                               */
236 #define __NR_fsetxattr          171 /* SunOS: shmsys                               */
237 #define __NR_getxattr           172 /* SunOS: auditsys                             */
238 #define __NR_lgetxattr          173 /* SunOS: rfssys                               */
239 #define __NR_getdents           174 /* Common                                      */
240 #define __NR_setsid             175 /* Common                                      */
241 #define __NR_fchdir             176 /* Common                                      */
242 #define __NR_fgetxattr          177 /* SunOS: fchroot                              */
243 #define __NR_listxattr          178 /* SunOS: vpixsys                              */
244 #define __NR_llistxattr         179 /* SunOS: aioread                              */
245 #define __NR_flistxattr         180 /* SunOS: aiowrite                             */
246 #define __NR_removexattr        181 /* SunOS: aiowait                              */
247 #define __NR_lremovexattr       182 /* SunOS: aiocancel                            */
248 #define __NR_sigpending         183 /* Common                                      */
249 #define __NR_query_module       184 /* Linux Specific                              */
250 #define __NR_setpgid            185 /* Common                                      */
251 #define __NR_fremovexattr       186 /* SunOS: pathconf                             */
252 #define __NR_tkill              187 /* SunOS: fpathconf                            */
253 #define __NR_exit_group         188 /* Linux specific, sysconf undef SunOS         */
254 #define __NR_uname              189 /* Linux Specific                              */
255 #define __NR_init_module        190 /* Linux Specific                              */
256 #define __NR_personality        191 /* Linux Specific                              */
257 #define __NR_remap_file_pages   192 /* Linux Specific                              */
258 #define __NR_epoll_create       193 /* Linux Specific                              */
259 #define __NR_epoll_ctl          194 /* Linux Specific                              */
260 #define __NR_epoll_wait         195 /* Linux Specific                              */
261 #define __NR_ioprio_set         196 /* Linux Specific                              */
262 #define __NR_getppid            197 /* Linux Specific                              */
263 #define __NR_sigaction          198 /* Linux Specific                              */
264 #define __NR_sgetmask           199 /* Linux Specific                              */
265 #define __NR_ssetmask           200 /* Linux Specific                              */
266 #define __NR_sigsuspend         201 /* Linux Specific                              */
267 #define __NR_oldlstat           202 /* Linux Specific                              */
268 #define __NR_uselib             203 /* Linux Specific                              */
269 #define __NR_readdir            204 /* Linux Specific                              */
270 #define __NR_readahead          205 /* Linux Specific                              */
271 #define __NR_socketcall         206 /* Linux Specific                              */
272 #define __NR_syslog             207 /* Linux Specific                              */
273 #define __NR_lookup_dcookie     208 /* Linux Specific                              */
274 #define __NR_fadvise64          209 /* Linux Specific                              */
275 #define __NR_fadvise64_64       210 /* Linux Specific                              */
276 #define __NR_tgkill             211 /* Linux Specific                              */
277 #define __NR_waitpid            212 /* Linux Specific                              */
278 #define __NR_swapoff            213 /* Linux Specific                              */
279 #define __NR_sysinfo            214 /* Linux Specific                              */
280 #define __NR_ipc                215 /* Linux Specific                              */
281 #define __NR_sigreturn          216 /* Linux Specific                              */
282 #define __NR_clone              217 /* Linux Specific                              */
283 #define __NR_ioprio_get         218 /* Linux Specific                              */
284 #define __NR_adjtimex           219 /* Linux Specific                              */
285 #define __NR_sigprocmask        220 /* Linux Specific                              */
286 #define __NR_create_module      221 /* Linux Specific                              */
287 #define __NR_delete_module      222 /* Linux Specific                              */
288 #define __NR_get_kernel_syms    223 /* Linux Specific                              */
289 #define __NR_getpgid            224 /* Linux Specific                              */
290 #define __NR_bdflush            225 /* Linux Specific                              */
291 #define __NR_sysfs              226 /* Linux Specific                              */
292 #define __NR_afs_syscall        227 /* Linux Specific                              */
293 #define __NR_setfsuid           228 /* Linux Specific                              */
294 #define __NR_setfsgid           229 /* Linux Specific                              */
295 #define __NR__newselect         230 /* Linux Specific                              */
296 #ifdef __32bit_syscall_numbers__
297 #define __NR_time               231 /* Linux Specific                              */
298 #else
299 #ifdef __KERNEL__
300 #define __NR_time               231 /* Linux sparc32                               */
301 #endif
302 #endif
303 #define __NR_splice             232 /* Linux Specific                              */
304 #define __NR_stime              233 /* Linux Specific                              */
305 #define __NR_statfs64           234 /* Linux Specific                              */
306 #define __NR_fstatfs64          235 /* Linux Specific                              */
307 #define __NR__llseek            236 /* Linux Specific                              */
308 #define __NR_mlock              237
309 #define __NR_munlock            238
310 #define __NR_mlockall           239
311 #define __NR_munlockall         240
312 #define __NR_sched_setparam     241
313 #define __NR_sched_getparam     242
314 #define __NR_sched_setscheduler 243
315 #define __NR_sched_getscheduler 244
316 #define __NR_sched_yield        245
317 #define __NR_sched_get_priority_max 246
318 #define __NR_sched_get_priority_min 247
319 #define __NR_sched_rr_get_interval  248
320 #define __NR_nanosleep          249
321 #define __NR_mremap             250
322 #define __NR__sysctl            251
323 #define __NR_getsid             252
324 #define __NR_fdatasync          253
325 #define __NR_nfsservctl         254
326 #define __NR_sync_file_range    255
327 #define __NR_clock_settime      256
328 #define __NR_clock_gettime      257
329 #define __NR_clock_getres       258
330 #define __NR_clock_nanosleep    259
331 #define __NR_sched_getaffinity  260
332 #define __NR_sched_setaffinity  261
333 #define __NR_timer_settime      262
334 #define __NR_timer_gettime      263
335 #define __NR_timer_getoverrun   264
336 #define __NR_timer_delete       265
337 #define __NR_timer_create       266
338 /* #define __NR_vserver         267 Reserved for VSERVER */
339 #define __NR_io_setup           268
340 #define __NR_io_destroy         269
341 #define __NR_io_submit          270
342 #define __NR_io_cancel          271
343 #define __NR_io_getevents       272
344 #define __NR_mq_open            273
345 #define __NR_mq_unlink          274
346 #define __NR_mq_timedsend       275
347 #define __NR_mq_timedreceive    276
348 #define __NR_mq_notify          277
349 #define __NR_mq_getsetattr      278
350 #define __NR_waitid             279
351 #define __NR_tee                280
352 #define __NR_add_key            281
353 #define __NR_request_key        282
354 #define __NR_keyctl             283
355 #define __NR_openat             284
356 #define __NR_mkdirat            285
357 #define __NR_mknodat            286
358 #define __NR_fchownat           287
359 #define __NR_futimesat          288
360 #define __NR_fstatat64          289
361 #define __NR_unlinkat           290
362 #define __NR_renameat           291
363 #define __NR_linkat             292
364 #define __NR_symlinkat          293
365 #define __NR_readlinkat         294
366 #define __NR_fchmodat           295
367 #define __NR_faccessat          296
368 #define __NR_pselect6           297
369 #define __NR_ppoll              298
370 #define __NR_unshare            299
371 #define __NR_set_robust_list    300
372 #define __NR_get_robust_list    301
373 #define __NR_migrate_pages      302
374 #define __NR_mbind              303
375 #define __NR_get_mempolicy      304
376 #define __NR_set_mempolicy      305
377 #define __NR_kexec_load         306
378 #define __NR_move_pages         307
379 #define __NR_getcpu             308
380 #define __NR_epoll_pwait        309
381 #define __NR_utimensat          310
382 #define __NR_signalfd           311
383 #define __NR_timerfd_create     312
384 #define __NR_eventfd            313
385 #define __NR_fallocate          314
386 #define __NR_timerfd_settime    315
387 #define __NR_timerfd_gettime    316
388 #define __NR_signalfd4          317
389 #define __NR_eventfd2           318
390 #define __NR_epoll_create1      319
391 #define __NR_dup3               320
392 #define __NR_pipe2              321
393 #define __NR_inotify_init1      322
394 #define __NR_accept4            323
395 #define __NR_preadv             324
396 #define __NR_pwritev            325
397 #define __NR_rt_tgsigqueueinfo  326
398 #define __NR_perf_event_open    327
399 #define __NR_recvmmsg           328
400 #define __NR_fanotify_init      329
401 #define __NR_fanotify_mark      330
402 #define __NR_prlimit64          331
403 #define __NR_name_to_handle_at  332
404 #define __NR_open_by_handle_at  333
405 #define __NR_clock_adjtime      334
406 #define __NR_syncfs             335
407 #define __NR_sendmmsg           336
408 #define __NR_setns              337
409 #define __NR_process_vm_readv   338
410 #define __NR_process_vm_writev  339
411
412 #define NR_syscalls             340
413
414 #ifdef __32bit_syscall_numbers__
415 /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
416  * it never had the plain ones and there is no value to adding those
417  * old versions into the syscall table.
418  */
419 #define __IGNORE_setresuid
420 #define __IGNORE_getresuid
421 #define __IGNORE_setresgid
422 #define __IGNORE_getresgid
423 #endif
424
425 #ifdef __KERNEL__
426 #define __ARCH_WANT_OLD_READDIR
427 #define __ARCH_WANT_STAT64
428 #define __ARCH_WANT_SYS_ALARM
429 #define __ARCH_WANT_SYS_GETHOSTNAME
430 #define __ARCH_WANT_SYS_PAUSE
431 #define __ARCH_WANT_SYS_SGETMASK
432 #define __ARCH_WANT_SYS_SIGNAL
433 #define __ARCH_WANT_SYS_TIME
434 #define __ARCH_WANT_SYS_UTIME
435 #define __ARCH_WANT_SYS_WAITPID
436 #define __ARCH_WANT_SYS_SOCKETCALL
437 #define __ARCH_WANT_SYS_FADVISE64
438 #define __ARCH_WANT_SYS_GETPGRP
439 #define __ARCH_WANT_SYS_LLSEEK
440 #define __ARCH_WANT_SYS_NICE
441 #define __ARCH_WANT_SYS_OLDUMOUNT
442 #define __ARCH_WANT_SYS_SIGPENDING
443 #define __ARCH_WANT_SYS_SIGPROCMASK
444 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
445 #ifdef __32bit_syscall_numbers__
446 #define __ARCH_WANT_SYS_IPC
447 #else
448 #define __ARCH_WANT_COMPAT_SYS_TIME
449 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
450 #endif
451
452 /*
453  * "Conditional" syscalls
454  *
455  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
456  * but it doesn't work on all toolchains, so we just do it by hand
457  */
458 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
459
460 #endif /* __KERNEL__ */
461 #endif /* _SPARC_UNISTD_H */