home *** CD-ROM | disk | FTP | other *** search
/ Software of the Month Club 2000 October / Software of the Month - Ultimate Collection Shareware 277.iso / pc / PROGRAMS / UTILITY / WINLINUX / DATA1.CAB / programs_-_include / ASM-ARM / UNISTD.H < prev    next >
C/C++ Source or Header  |  1999-09-17  |  15KB  |  431 lines

  1. #ifndef __ASM_ARM_UNISTD_H
  2. #define __ASM_ARM_UNISTD_H
  3.  
  4. #define __NR_SYSCALL_BASE    0x900000
  5.  
  6. /*
  7.  * This file contains the system call numbers.
  8.  */
  9.  
  10. #define __NR_setup            (__NR_SYSCALL_BASE+  0)    /* used only by init, to get system going */
  11. #define __NR_exit            (__NR_SYSCALL_BASE+  1)
  12. #define __NR_fork            (__NR_SYSCALL_BASE+  2)
  13. #define __NR_read            (__NR_SYSCALL_BASE+  3)
  14. #define __NR_write            (__NR_SYSCALL_BASE+  4)
  15. #define __NR_open            (__NR_SYSCALL_BASE+  5)
  16. #define __NR_close            (__NR_SYSCALL_BASE+  6)
  17. #define __NR_waitpid            (__NR_SYSCALL_BASE+  7)
  18. #define __NR_creat            (__NR_SYSCALL_BASE+  8)
  19. #define __NR_link            (__NR_SYSCALL_BASE+  9)
  20. #define __NR_unlink            (__NR_SYSCALL_BASE+ 10)
  21. #define __NR_execve            (__NR_SYSCALL_BASE+ 11)
  22. #define __NR_chdir            (__NR_SYSCALL_BASE+ 12)
  23. #define __NR_time            (__NR_SYSCALL_BASE+ 13)
  24. #define __NR_mknod            (__NR_SYSCALL_BASE+ 14)
  25. #define __NR_chmod            (__NR_SYSCALL_BASE+ 15)
  26. #define __NR_lchown            (__NR_SYSCALL_BASE+ 16)
  27. #define __NR_break            (__NR_SYSCALL_BASE+ 17)
  28. #define __NR_oldstat            (__NR_SYSCALL_BASE+ 18)
  29. #define __NR_lseek            (__NR_SYSCALL_BASE+ 19)
  30. #define __NR_getpid            (__NR_SYSCALL_BASE+ 20)
  31. #define __NR_mount            (__NR_SYSCALL_BASE+ 21)
  32. #define __NR_umount            (__NR_SYSCALL_BASE+ 22)
  33. #define __NR_setuid            (__NR_SYSCALL_BASE+ 23)
  34. #define __NR_getuid            (__NR_SYSCALL_BASE+ 24)
  35. #define __NR_stime            (__NR_SYSCALL_BASE+ 25)
  36. #define __NR_ptrace            (__NR_SYSCALL_BASE+ 26)
  37. #define __NR_alarm            (__NR_SYSCALL_BASE+ 27)
  38. #define __NR_oldfstat            (__NR_SYSCALL_BASE+ 28)
  39. #define __NR_pause            (__NR_SYSCALL_BASE+ 29)
  40. #define __NR_utime            (__NR_SYSCALL_BASE+ 30)
  41. #define __NR_stty            (__NR_SYSCALL_BASE+ 31)
  42. #define __NR_gtty            (__NR_SYSCALL_BASE+ 32)
  43. #define __NR_access            (__NR_SYSCALL_BASE+ 33)
  44. #define __NR_nice            (__NR_SYSCALL_BASE+ 34)
  45. #define __NR_ftime            (__NR_SYSCALL_BASE+ 35)
  46. #define __NR_sync            (__NR_SYSCALL_BASE+ 36)
  47. #define __NR_kill            (__NR_SYSCALL_BASE+ 37)
  48. #define __NR_rename            (__NR_SYSCALL_BASE+ 38)
  49. #define __NR_mkdir            (__NR_SYSCALL_BASE+ 39)
  50. #define __NR_rmdir            (__NR_SYSCALL_BASE+ 40)
  51. #define __NR_dup            (__NR_SYSCALL_BASE+ 41)
  52. #define __NR_pipe            (__NR_SYSCALL_BASE+ 42)
  53. #define __NR_times            (__NR_SYSCALL_BASE+ 43)
  54. #define __NR_prof            (__NR_SYSCALL_BASE+ 44)
  55. #define __NR_brk            (__NR_SYSCALL_BASE+ 45)
  56. #define __NR_setgid            (__NR_SYSCALL_BASE+ 46)
  57. #define __NR_getgid            (__NR_SYSCALL_BASE+ 47)
  58. #define __NR_signal            (__NR_SYSCALL_BASE+ 48)
  59. #define __NR_geteuid            (__NR_SYSCALL_BASE+ 49)
  60. #define __NR_getegid            (__NR_SYSCALL_BASE+ 50)
  61. #define __NR_acct            (__NR_SYSCALL_BASE+ 51)
  62. #define __NR_phys            (__NR_SYSCALL_BASE+ 52)
  63. #define __NR_lock            (__NR_SYSCALL_BASE+ 53)
  64. #define __NR_ioctl            (__NR_SYSCALL_BASE+ 54)
  65. #define __NR_fcntl            (__NR_SYSCALL_BASE+ 55)
  66. #define __NR_mpx            (__NR_SYSCALL_BASE+ 56)
  67. #define __NR_setpgid            (__NR_SYSCALL_BASE+ 57)
  68. #define __NR_ulimit            (__NR_SYSCALL_BASE+ 58)
  69. #define __NR_oldolduname        (__NR_SYSCALL_BASE+ 59)
  70. #define __NR_umask            (__NR_SYSCALL_BASE+ 60)
  71. #define __NR_chroot            (__NR_SYSCALL_BASE+ 61)
  72. #define __NR_ustat            (__NR_SYSCALL_BASE+ 62)
  73. #define __NR_dup2            (__NR_SYSCALL_BASE+ 63)
  74. #define __NR_getppid            (__NR_SYSCALL_BASE+ 64)
  75. #define __NR_getpgrp            (__NR_SYSCALL_BASE+ 65)
  76. #define __NR_setsid            (__NR_SYSCALL_BASE+ 66)
  77. #define __NR_sigaction            (__NR_SYSCALL_BASE+ 67)
  78. #define __NR_sgetmask            (__NR_SYSCALL_BASE+ 68)
  79. #define __NR_ssetmask            (__NR_SYSCALL_BASE+ 69)
  80. #define __NR_setreuid            (__NR_SYSCALL_BASE+ 70)
  81. #define __NR_setregid            (__NR_SYSCALL_BASE+ 71)
  82. #define __NR_sigsuspend            (__NR_SYSCALL_BASE+ 72)
  83. #define __NR_sigpending            (__NR_SYSCALL_BASE+ 73)
  84. #define __NR_sethostname        (__NR_SYSCALL_BASE+ 74)
  85. #define __NR_setrlimit            (__NR_SYSCALL_BASE+ 75)
  86. #define __NR_getrlimit            (__NR_SYSCALL_BASE+ 76)
  87. #define __NR_getrusage            (__NR_SYSCALL_BASE+ 77)
  88. #define __NR_gettimeofday        (__NR_SYSCALL_BASE+ 78)
  89. #define __NR_settimeofday        (__NR_SYSCALL_BASE+ 79)
  90. #define __NR_getgroups            (__NR_SYSCALL_BASE+ 80)
  91. #define __NR_setgroups            (__NR_SYSCALL_BASE+ 81)
  92. #define __NR_select            (__NR_SYSCALL_BASE+ 82)
  93. #define __NR_symlink            (__NR_SYSCALL_BASE+ 83)
  94. #define __NR_oldlstat            (__NR_SYSCALL_BASE+ 84)
  95. #define __NR_readlink            (__NR_SYSCALL_BASE+ 85)
  96. #define __NR_uselib            (__NR_SYSCALL_BASE+ 86)
  97. #define __NR_swapon            (__NR_SYSCALL_BASE+ 87)
  98. #define __NR_reboot            (__NR_SYSCALL_BASE+ 88)
  99. #define __NR_readdir            (__NR_SYSCALL_BASE+ 89)
  100. #define __NR_mmap            (__NR_SYSCALL_BASE+ 90)
  101. #define __NR_munmap            (__NR_SYSCALL_BASE+ 91)
  102. #define __NR_truncate            (__NR_SYSCALL_BASE+ 92)
  103. #define __NR_ftruncate            (__NR_SYSCALL_BASE+ 93)
  104. #define __NR_fchmod            (__NR_SYSCALL_BASE+ 94)
  105. #define __NR_fchown            (__NR_SYSCALL_BASE+ 95)
  106. #define __NR_getpriority        (__NR_SYSCALL_BASE+ 96)
  107. #define __NR_setpriority        (__NR_SYSCALL_BASE+ 97)
  108. #define __NR_profil            (__NR_SYSCALL_BASE+ 98)
  109. #define __NR_statfs            (__NR_SYSCALL_BASE+ 99)
  110. #define __NR_fstatfs            (__NR_SYSCALL_BASE+100)
  111. #define __NR_ioperm            (__NR_SYSCALL_BASE+101)
  112. #define __NR_socketcall            (__NR_SYSCALL_BASE+102)
  113. #define __NR_syslog            (__NR_SYSCALL_BASE+103)
  114. #define __NR_setitimer            (__NR_SYSCALL_BASE+104)
  115. #define __NR_getitimer            (__NR_SYSCALL_BASE+105)
  116. #define __NR_stat            (__NR_SYSCALL_BASE+106)
  117. #define __NR_lstat            (__NR_SYSCALL_BASE+107)
  118. #define __NR_fstat            (__NR_SYSCALL_BASE+108)
  119. #define __NR_olduname            (__NR_SYSCALL_BASE+109)
  120. #define __NR_iopl            (__NR_SYSCALL_BASE+110)
  121. #define __NR_vhangup            (__NR_SYSCALL_BASE+111)
  122. #define __NR_idle            (__NR_SYSCALL_BASE+112)
  123. #define __NR_syscall            (__NR_SYSCALL_BASE+113) /* syscall to call a syscall! */
  124. #define __NR_wait4            (__NR_SYSCALL_BASE+114)
  125. #define __NR_swapoff            (__NR_SYSCALL_BASE+115)
  126. #define __NR_sysinfo            (__NR_SYSCALL_BASE+116)
  127. #define __NR_ipc            (__NR_SYSCALL_BASE+117)
  128. #define __NR_fsync            (__NR_SYSCALL_BASE+118)
  129. #define __NR_sigreturn            (__NR_SYSCALL_BASE+119)
  130. #define __NR_clone            (__NR_SYSCALL_BASE+120)
  131. #define __NR_setdomainname        (__NR_SYSCALL_BASE+121)
  132. #define __NR_uname            (__NR_SYSCALL_BASE+122)
  133. #define __NR_modify_ldt            (__NR_SYSCALL_BASE+123)
  134. #define __NR_adjtimex            (__NR_SYSCALL_BASE+124)
  135. #define __NR_mprotect            (__NR_SYSCALL_BASE+125)
  136. #define __NR_sigprocmask        (__NR_SYSCALL_BASE+126)
  137. #define __NR_create_module        (__NR_SYSCALL_BASE+127)
  138. #define __NR_init_module        (__NR_SYSCALL_BASE+128)
  139. #define __NR_delete_module        (__NR_SYSCALL_BASE+129)
  140. #define __NR_get_kernel_syms        (__NR_SYSCALL_BASE+130)
  141. #define __NR_quotactl            (__NR_SYSCALL_BASE+131)
  142. #define __NR_getpgid            (__NR_SYSCALL_BASE+132)
  143. #define __NR_fchdir            (__NR_SYSCALL_BASE+133)
  144. #define __NR_bdflush            (__NR_SYSCALL_BASE+134)
  145. #define __NR_sysfs            (__NR_SYSCALL_BASE+135)
  146. #define __NR_personality        (__NR_SYSCALL_BASE+136)
  147. #define __NR_afs_syscall        (__NR_SYSCALL_BASE+137) /* Syscall for Andrew File System */
  148. #define __NR_setfsuid            (__NR_SYSCALL_BASE+138)
  149. #define __NR_setfsgid            (__NR_SYSCALL_BASE+139)
  150. #define __NR__llseek            (__NR_SYSCALL_BASE+140)
  151. #define __NR_getdents            (__NR_SYSCALL_BASE+141)
  152. #define __NR__newselect            (__NR_SYSCALL_BASE+142)
  153. #define __NR_flock            (__NR_SYSCALL_BASE+143)
  154. #define __NR_msync            (__NR_SYSCALL_BASE+144)
  155. #define __NR_readv            (__NR_SYSCALL_BASE+145)
  156. #define __NR_writev            (__NR_SYSCALL_BASE+146)
  157. #define __NR_getsid            (__NR_SYSCALL_BASE+147)
  158. #define __NR_fdatasync            (__NR_SYSCALL_BASE+148)
  159. #define __NR__sysctl            (__NR_SYSCALL_BASE+149)
  160. #define __NR_mlock            (__NR_SYSCALL_BASE+150)
  161. #define __NR_munlock            (__NR_SYSCALL_BASE+151)
  162. #define __NR_mlockall            (__NR_SYSCALL_BASE+152)
  163. #define __NR_munlockall            (__NR_SYSCALL_BASE+153)
  164. #define __NR_sched_setparam        (__NR_SYSCALL_BASE+154)
  165. #define __NR_sched_getparam        (__NR_SYSCALL_BASE+155)
  166. #define __NR_sched_setscheduler        (__NR_SYSCALL_BASE+156)
  167. #define __NR_sched_getscheduler        (__NR_SYSCALL_BASE+157)
  168. #define __NR_sched_yield        (__NR_SYSCALL_BASE+158)
  169. #define __NR_sched_get_priority_max    (__NR_SYSCALL_BASE+159)
  170. #define __NR_sched_get_priority_min    (__NR_SYSCALL_BASE+160)
  171. #define __NR_sched_rr_get_interval    (__NR_SYSCALL_BASE+161)
  172. #define __NR_nanosleep            (__NR_SYSCALL_BASE+162)
  173. #define __NR_mremap            (__NR_SYSCALL_BASE+163)
  174. #define __NR_setresuid            (__NR_SYSCALL_BASE+164)
  175. #define __NR_getresuid            (__NR_SYSCALL_BASE+165)
  176. #define __NR_vm86            (__NR_SYSCALL_BASE+166)
  177. #define __NR_query_module        (__NR_SYSCALL_BASE+167)
  178. #define __NR_poll            (__NR_SYSCALL_BASE+168)
  179. #define __NR_nfsservctl            (__NR_SYSCALL_BASE+169)
  180. #define __NR_setresgid            (__NR_SYSCALL_BASE+170)
  181. #define __NR_getresgid            (__NR_SYSCALL_BASE+171)
  182. #define __NR_prctl            (__NR_SYSCALL_BASE+172)
  183. #define __NR_rt_sigreturn        (__NR_SYSCALL_BASE+173)
  184. #define __NR_rt_sigaction        (__NR_SYSCALL_BASE+174)
  185. #define __NR_rt_sigprocmask        (__NR_SYSCALL_BASE+175)
  186. #define __NR_rt_sigpending        (__NR_SYSCALL_BASE+176)
  187. #define __NR_rt_sigtimedwait        (__NR_SYSCALL_BASE+177)
  188. #define __NR_rt_sigqueueinfo        (__NR_SYSCALL_BASE+178)
  189. #define __NR_rt_sigsuspend        (__NR_SYSCALL_BASE+179)
  190. #define __NR_pread            (__NR_SYSCALL_BASE+180)
  191. #define __NR_pwrite            (__NR_SYSCALL_BASE+181)
  192. #define __NR_chown            (__NR_SYSCALL_BASE+182)
  193. #define __NR_getcwd            (__NR_SYSCALL_BASE+183)
  194. #define __NR_capget            (__NR_SYSCALL_BASE+184)
  195. #define __NR_capset            (__NR_SYSCALL_BASE+185)
  196. #define __NR_sigaltstack        (__NR_SYSCALL_BASE+186)
  197. #define __NR_sendfile            (__NR_SYSCALL_BASE+187)
  198.  
  199. #define __sys2(x) #x
  200. #define __sys1(x) __sys2(x)
  201.  
  202. #ifndef __syscall
  203. #define __syscall(name) "swi\t" __sys1(__NR_##name) "\n\t"
  204. #endif
  205.  
  206. #define __syscall_return(type, res)                    \
  207. do {                                    \
  208.     if ((unsigned long)(res) >= (unsigned long)(-125)) {        \
  209.         errno = -(res);                        \
  210.         res = -1;                        \
  211.     }                                \
  212.     return (type) (res);                        \
  213. } while (0)
  214.  
  215. #define _syscall0(type,name)                        \
  216. type name(void) {                            \
  217.   long __res;                                \
  218.   __asm__ __volatile__ (                        \
  219.   __syscall(name)                            \
  220.   "mov %0,r0"                                \
  221.   :"=r" (__res) : : "r0","lr");                        \
  222.   __syscall_return(type,__res);                        \
  223. }
  224.  
  225. #define _syscall1(type,name,type1,arg1)                    \
  226. type name(type1 arg1) {                            \
  227.   long __res;                                \
  228.   __asm__ __volatile__ (                        \
  229.   "mov\tr0,%1\n\t"                            \
  230.   __syscall(name)                            \
  231.   "mov %0,r0"                                \
  232.         : "=r" (__res)                            \
  233.         : "r" ((long)(arg1))                        \
  234.     : "r0","lr");                            \
  235.   __syscall_return(type,__res);                        \
  236. }
  237.  
  238. #define _syscall2(type,name,type1,arg1,type2,arg2)            \
  239. type name(type1 arg1,type2 arg2) {                    \
  240.   long __res;                                \
  241.   __asm__ __volatile__ (                        \
  242.   "mov\tr0,%1\n\t"                            \
  243.   "mov\tr1,%2\n\t"                            \
  244.   __syscall(name)                            \
  245.   "mov\t%0,r0"                                \
  246.         : "=r" (__res)                            \
  247.         : "r" ((long)(arg1)),"r" ((long)(arg2))                \
  248.     : "r0","r1","lr");                        \
  249.   __syscall_return(type,__res);                        \
  250. }
  251.  
  252.  
  253. #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)        \
  254. type name(type1 arg1,type2 arg2,type3 arg3) {                \
  255.   long __res;                                \
  256.   __asm__ __volatile__ (                        \
  257.   "mov\tr0,%1\n\t"                            \
  258.   "mov\tr1,%2\n\t"                            \
  259.   "mov\tr2,%3\n\t"                            \
  260.   __syscall(name)                            \
  261.   "mov\t%0,r0"                                \
  262.         : "=r" (__res)                            \
  263.         : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3))    \
  264.         : "r0","r1","r2","lr");                        \
  265.   __syscall_return(type,__res);                        \
  266. }
  267.  
  268.  
  269. #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)        \
  270. type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {                \
  271.   long __res;                                        \
  272.   __asm__ __volatile__ (                                \
  273.   "mov\tr0,%1\n\t"                                    \
  274.   "mov\tr1,%2\n\t"                                    \
  275.   "mov\tr2,%3\n\t"                                    \
  276.   "mov\tr3,%4\n\t"                                    \
  277.   __syscall(name)                                    \
  278.   "mov\t%0,r0"                                        \
  279.       : "=r" (__res)                                    \
  280.       : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4))    \
  281.       : "r0","r1","r2","r3","lr");                            \
  282.   __syscall_return(type,__res);                                \
  283. }
  284.   
  285.  
  286. #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)    \
  287. type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {            \
  288.   long __res;                                        \
  289.   __asm__ __volatile__ (                                \
  290.   "mov\tr0,%1\n\t"                                    \
  291.   "mov\tr1,%2\n\t"                                    \
  292.   "mov\tr2,%3\n\t"                                    \
  293.   "mov\tr3,%4\n\t"                                    \
  294.   "mov\tr4,%5\n\t"                                    \
  295.   __syscall(name)                                    \
  296.   "mov\t%0,r0"                                        \
  297.       : "=r" (__res)                                    \
  298.       : "r" ((long)(arg1)),"r" ((long)(arg2)),"r" ((long)(arg3)),"r" ((long)(arg4)),    \
  299.       "r" ((long)(arg5))                                \
  300.     : "r0","r1","r2","r3","r4","lr");                        \
  301.   __syscall_return(type,__res);                                \
  302. }
  303.  
  304. #ifdef __KERNEL_SYSCALLS__
  305.  
  306. static inline int idle(void)
  307. {
  308.     extern int sys_idle(void);
  309.     return sys_idle();
  310. }
  311.  
  312. static inline int pause(void)
  313. {
  314.     extern int sys_pause(void);
  315.     return sys_pause();
  316. }
  317.  
  318. static inline int sync(void)
  319. {
  320.     extern int sys_sync(void);
  321.     return sys_sync();
  322. }
  323.  
  324. static inline pid_t setsid(void)
  325. {
  326.     extern int sys_setsid(void);
  327.     return sys_setsid();
  328. }
  329.  
  330. static inline int write(int fd, const char *buf, off_t count)
  331. {
  332.     extern int sys_write(int, const char *, int);
  333.     return sys_write(fd, buf, count);
  334. }
  335.  
  336. static inline int read(int fd, char *buf, off_t count)
  337. {
  338.     extern int sys_read(int, char *, int);
  339.     return sys_read(fd, buf, count);
  340. }
  341.  
  342. static inline off_t lseek(int fd, off_t offset, int count)
  343. {
  344.     extern off_t sys_lseek(int, off_t, int);
  345.     return sys_lseek(fd, offset, count);
  346. }
  347.  
  348. static inline int dup(int fd)
  349. {
  350.     extern int sys_dup(int);
  351.     return sys_dup(fd);
  352. }
  353.  
  354. static inline int open(const char *file, int flag, int mode)
  355. {
  356.     extern int sys_open(const char *, int, int);
  357.     return sys_open(file, flag, mode);
  358. }
  359.  
  360. static inline int close(int fd)
  361. {
  362.     return sys_close(fd);
  363. }
  364.  
  365. static inline int _exit(int exitcode)
  366. {
  367.     extern int sys_exit(int);
  368.     return sys_exit(exitcode);
  369. }
  370.  
  371. static inline pid_t waitpid(pid_t pid, int *wait_stat, int options)
  372. {
  373.     extern int sys_wait4(int, int *, int, struct rusage *);
  374.     return sys_wait4((int)pid, wait_stat, options, NULL);
  375. }
  376.  
  377. static inline int delete_module(const char *name)
  378. {
  379.     extern int sys_delete_module(const char *name);
  380.     return sys_delete_module(name);
  381. }
  382.  
  383. static inline pid_t wait(int * wait_stat)
  384. {
  385.     extern int sys_wait4(int, int *, int, struct rusage *);
  386.     return sys_wait4(-1, wait_stat, 0, NULL);
  387. }
  388.  
  389. /*
  390.  * The following two can't be eliminated yet - they rely on
  391.  * specific conditions.
  392.  */
  393. static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp);
  394.  
  395. /*
  396.  * This is the mechanism for creating a new kernel thread.
  397.  *
  398.  * NOTE! Only a kernel-only process(ie the swapper or direct descendants
  399.  * who haven't done an "execve()") should use this: it will work within
  400.  * a system call from a "real" process, but the process memory space will
  401.  * not be free'd until both the parent and the child have exited.
  402.  */
  403. static inline pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
  404. {
  405.     long retval;
  406.  
  407.     __asm__ __volatile__("
  408.     mov    r0,%1
  409.     mov    r1,%2
  410.     "__syscall(clone)"
  411.     teq    r0, #0
  412.     bne    1f
  413.     mov    r0,%4
  414.     mov    lr, pc
  415.     mov    pc, %3
  416.     "__syscall(exit)"
  417. 1:    mov %0,r0"
  418.         : "=r" (retval)
  419.         : "Ir" (flags | CLONE_VM), "Ir" (NULL), "r" (fn), "Ir" (arg)
  420.     : "r0","r1","r2","r3","lr");
  421.     
  422.     return retval;
  423. }
  424.  
  425. #endif
  426.  
  427. #endif /* __ASM_ARM_UNISTD_H */
  428.  
  429.  
  430.  
  431.