include/asm-um/unistd.h

   1 /*
   2  * Copyright (C) 2000 - 2004  Jeff Dike (jdike@karaya.com)
   3  * Licensed under the GPL
   4  */
   5
   6 #ifndef _UM_UNISTD_H_
   7 #define _UM_UNISTD_H_
   8
   9 #include <linux/syscalls.h>
  10 #include "linux/resource.h"
  11 #include "asm/uaccess.h"
  12
  13 extern int um_execve(const char *file, char *const argv[], char *const env[]);
  14
  15 #ifdef __KERNEL__
  16 /* We get __ARCH_WANT_OLD_STAT and __ARCH_WANT_STAT64 from the base arch */
  17 #define __ARCH_WANT_IPC_PARSE_VERSION
  18 #define __ARCH_WANT_OLD_READDIR
  19 #define __ARCH_WANT_SYS_ALARM
  20 #define __ARCH_WANT_SYS_GETHOSTNAME
  21 #define __ARCH_WANT_SYS_PAUSE
  22 #define __ARCH_WANT_SYS_SGETMASK
  23 #define __ARCH_WANT_SYS_SIGNAL
  24 #define __ARCH_WANT_SYS_TIME
  25 #define __ARCH_WANT_SYS_UTIME
  26 #define __ARCH_WANT_SYS_WAITPID
  27 #define __ARCH_WANT_SYS_SOCKETCALL
  28 #define __ARCH_WANT_SYS_FADVISE64
  29 #define __ARCH_WANT_SYS_GETPGRP
  30 #define __ARCH_WANT_SYS_LLSEEK
  31 #define __ARCH_WANT_SYS_NICE
  32 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
  33 #define __ARCH_WANT_SYS_OLDUMOUNT
  34 #define __ARCH_WANT_SYS_SIGPENDING
  35 #define __ARCH_WANT_SYS_SIGPROCMASK
  36 #define __ARCH_WANT_SYS_RT_SIGACTION
  37 #endif
  38
  39 #ifdef __KERNEL_SYSCALLS__
  40
  41 #include <linux/compiler.h>
  42 #include <linux/types.h>
  43
  44 static inline int execve(const char *filename, char *const argv[],
  45                          char *const envp[])
  46 {
  47         mm_segment_t fs;
  48         int ret;
  49
  50         fs = get_fs();
  51         set_fs(KERNEL_DS);
  52         ret = um_execve(filename, argv, envp);
  53         set_fs(fs);
  54
  55         if (ret >= 0)
  56                 return ret;
  57
  58         errno = -(long)ret;
  59         return -1;
  60 }
  61
  62 int sys_execve(char *file, char **argv, char **env);
  63
  64 #endif /* __KERNEL_SYSCALLS__ */
  65
  66 #undef __KERNEL_SYSCALLS__
  67 #include "asm/arch/unistd.h"
  68
  69 #endif /* _UM_UNISTD_H_*/