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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [include/] [asm-i386/] [unistd.h] - Blame information for rev 1765

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#ifndef _ASM_I386_UNISTD_H_
#define _ASM_I386_UNISTD_H_
 
/*
 * This file contains the system call numbers.
 */
 
#define __NR_setup                0     /* used only by init, to get system going */
#define __NR_exit                 1
#define __NR_fork                 2
#define __NR_read                 3
#define __NR_write                4
#define __NR_open                 5
#define __NR_close                6
#define __NR_waitpid              7
#define __NR_creat                8
#define __NR_link                 9
#define __NR_unlink              10
#define __NR_execve              11
#define __NR_chdir               12
#define __NR_time                13
#define __NR_mknod               14
#define __NR_chmod               15
#define __NR_chown               16
#define __NR_break               17
#define __NR_oldstat             18
#define __NR_lseek               19
#define __NR_getpid              20
#define __NR_mount               21
#define __NR_umount              22
#define __NR_setuid              23
#define __NR_getuid              24
#define __NR_stime               25
#define __NR_ptrace              26
#define __NR_alarm               27
#define __NR_oldfstat            28
#define __NR_pause               29
#define __NR_utime               30
#define __NR_stty                31
#define __NR_gtty                32
#define __NR_access              33
#define __NR_nice                34
#define __NR_ftime               35
#define __NR_sync                36
#define __NR_kill                37
#define __NR_rename              38
#define __NR_mkdir               39
#define __NR_rmdir               40
#define __NR_dup                 41
#define __NR_pipe                42
#define __NR_times               43
#define __NR_prof                44
#define __NR_brk                 45
#define __NR_setgid              46
#define __NR_getgid              47
#define __NR_signal              48
#define __NR_geteuid             49
#define __NR_getegid             50
#define __NR_acct                51
#define __NR_phys                52
#define __NR_lock                53
#define __NR_ioctl               54
#define __NR_fcntl               55
#define __NR_mpx                 56
#define __NR_setpgid             57
#define __NR_ulimit              58
#define __NR_oldolduname         59
#define __NR_umask               60
#define __NR_chroot              61
#define __NR_ustat               62
#define __NR_dup2                63
#define __NR_getppid             64
#define __NR_getpgrp             65
#define __NR_setsid              66
#define __NR_sigaction           67
#define __NR_sgetmask            68
#define __NR_ssetmask            69
#define __NR_setreuid            70
#define __NR_setregid            71
#define __NR_sigsuspend          72
#define __NR_sigpending          73
#define __NR_sethostname         74
#define __NR_setrlimit           75
#define __NR_getrlimit           76
#define __NR_getrusage           77
#define __NR_gettimeofday        78
#define __NR_settimeofday        79
#define __NR_getgroups           80
#define __NR_setgroups           81
#define __NR_select              82
#define __NR_symlink             83
#define __NR_oldlstat            84
#define __NR_readlink            85
#define __NR_uselib              86
#define __NR_swapon              87
#define __NR_reboot              88
#define __NR_readdir             89
#define __NR_mmap                90
#define __NR_munmap              91
#define __NR_truncate            92
#define __NR_ftruncate           93
#define __NR_fchmod              94
#define __NR_fchown              95
#define __NR_getpriority         96
#define __NR_setpriority         97
#define __NR_profil              98
#define __NR_statfs              99
#define __NR_fstatfs            100
#define __NR_ioperm             101
#define __NR_socketcall         102
#define __NR_syslog             103
#define __NR_setitimer          104
#define __NR_getitimer          105
#define __NR_stat               106
#define __NR_lstat              107
#define __NR_fstat              108
#define __NR_olduname           109
#define __NR_iopl               110
#define __NR_vhangup            111
#define __NR_idle               112
#define __NR_vm86               113
#define __NR_wait4              114
#define __NR_swapoff            115
#define __NR_sysinfo            116
#define __NR_ipc                117
#define __NR_fsync              118
#define __NR_sigreturn          119
#define __NR_clone              120
#define __NR_setdomainname      121
#define __NR_uname              122
#define __NR_modify_ldt         123
#define __NR_adjtimex           124
#define __NR_mprotect           125
#define __NR_sigprocmask        126
#define __NR_create_module      127
#define __NR_init_module        128
#define __NR_delete_module      129
#define __NR_get_kernel_syms    130
#define __NR_quotactl           131
#define __NR_getpgid            132
#define __NR_fchdir             133
#define __NR_bdflush            134
#define __NR_sysfs              135
#define __NR_personality        136
#define __NR_afs_syscall        137 /* Syscall for Andrew File System */
#define __NR_setfsuid           138
#define __NR_setfsgid           139
#define __NR__llseek            140
#define __NR_getdents           141
#define __NR__newselect         142
#define __NR_flock              143
#define __NR_msync              144
#define __NR_readv              145
#define __NR_writev             146
#define __NR_getsid             147
#define __NR_fdatasync          148
#define __NR__sysctl            149
#define __NR_mlock              150
#define __NR_munlock            151
#define __NR_mlockall           152
#define __NR_munlockall         153
#define __NR_sched_setparam             154
#define __NR_sched_getparam             155
#define __NR_sched_setscheduler         156
#define __NR_sched_getscheduler         157
#define __NR_sched_yield                158
#define __NR_sched_get_priority_max     159
#define __NR_sched_get_priority_min     160
#define __NR_sched_rr_get_interval      161
#define __NR_nanosleep          162
#define __NR_mremap             163
#define __NR_poll               168
#define __NR_getpmsg            188
#define __NR_putpmsg            189
 
/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
#define _syscall0(type,name) \
type name(void) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
        : "=a" (__res) \
        : "0" (__NR_##name)); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}
 
#define _syscall1(type,name,type1,arg1) \
type name(type1 arg1) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
        : "=a" (__res) \
        : "0" (__NR_##name),"b" ((long)(arg1))); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}
 
#define _syscall2(type,name,type1,arg1,type2,arg2) \
type name(type1 arg1,type2 arg2) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
        : "=a" (__res) \
        : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \
if (__res >= 0) \
        return (type) __res; \
errno = -__res; \
return -1; \
}
 
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
type name(type1 arg1,type2 arg2,type3 arg3) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
        : "=a" (__res) \
        : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \
                  "d" ((long)(arg3))); \
if (__res>=0) \
        return (type) __res; \
errno=-__res; \
return -1; \
}
 
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
        : "=a" (__res) \
        : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \
          "d" ((long)(arg3)),"S" ((long)(arg4))); \
if (__res>=0) \
        return (type) __res; \
errno=-__res; \
return -1; \
}
 
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
          type5,arg5) \
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
{ \
long __res; \
__asm__ volatile ("int $0x80" \
        : "=a" (__res) \
        : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \
          "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \
if (__res>=0) \
        return (type) __res; \
errno=-__res; \
return -1; \
}
 
#ifdef __KERNEL_SYSCALLS__
 
/*
 * we need this inline - forking from kernel space will result
 * in NO COPY ON WRITE (!!!), until an execve is executed. This
 * is no problem, but for the stack. This is handled by not letting
 * main() use the stack at all after fork(). Thus, no function
 * calls - which means inline code for fork too, as otherwise we
 * would use the stack upon exit from 'fork()'.
 *
 * Actually only pause and fork are needed inline, so that there
 * won't be any messing with the stack from main(), but we define
 * some others too.
 */
#define __NR__exit __NR_exit
static inline _syscall0(int,idle)
static inline _syscall0(int,fork)
static inline _syscall2(int,clone,unsigned long,flags,char *,esp)
static inline _syscall0(int,pause)
static inline _syscall0(int,setup)
static inline _syscall0(int,sync)
static inline _syscall0(pid_t,setsid)
static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)
static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)
static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
static inline _syscall1(int,dup,int,fd)
static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
static inline _syscall1(int,close,int,fd)
static inline _syscall1(int,_exit,int,exitcode)
static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
 
static inline pid_t wait(int * wait_stat)
{
        return waitpid(-1,wait_stat,0);
}
 
/*
 * This is the mechanism for creating a new kernel thread.
 *
 * NOTE! Only a kernel-only process(ie the swapper or direct descendants
 * who haven't done an "execve()") should use this: it will work within
 * a system call from a "real" process, but the process memory space will
 * not be free'd until both the parent and the child have exited.
 */
static inline pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
{
        long retval;
 
        __asm__ __volatile__(
                "movl %%esp,%%esi\n\t"
                "int $0x80\n\t"         /* Linux/i386 system call */
                "cmpl %%esp,%%esi\n\t"  /* child or parent? */
                "je 1f\n\t"             /* parent - jump */
                "pushl %3\n\t"          /* push argument */
                "call *%4\n\t"          /* call fn */
                "movl %2,%0\n\t"        /* exit */
                "int $0x80\n"
                "1:\t"
                :"=a" (retval)
                :"0" (__NR_clone), "i" (__NR_exit),
                 "r" (arg), "r" (fn),
                 "b" (flags | CLONE_VM)
                :"si");
        return retval;
}
 
#endif
 
#endif /* _ASM_I386_UNISTD_H_ */

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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [include/] [asm-i386/] [unistd.h] - Blame information for rev 1765

Line No.	Rev	Author	Line
1	199	simons	`#ifndef _ASM_I386_UNISTD_H_`
2			`#define _ASM_I386_UNISTD_H_`
3
4			`/*`
5			`* This file contains the system call numbers.`
6			`*/`
7
8			`#define __NR_setup 0 /* used only by init, to get system going */`
9			`#define __NR_exit 1`
10			`#define __NR_fork 2`
11			`#define __NR_read 3`
12			`#define __NR_write 4`
13			`#define __NR_open 5`
14			`#define __NR_close 6`
15			`#define __NR_waitpid 7`
16			`#define __NR_creat 8`
17			`#define __NR_link 9`
18			`#define __NR_unlink 10`
19			`#define __NR_execve 11`
20			`#define __NR_chdir 12`
21			`#define __NR_time 13`
22			`#define __NR_mknod 14`
23			`#define __NR_chmod 15`
24			`#define __NR_chown 16`
25			`#define __NR_break 17`
26			`#define __NR_oldstat 18`
27			`#define __NR_lseek 19`
28			`#define __NR_getpid 20`
29			`#define __NR_mount 21`
30			`#define __NR_umount 22`
31			`#define __NR_setuid 23`
32			`#define __NR_getuid 24`
33			`#define __NR_stime 25`
34			`#define __NR_ptrace 26`
35			`#define __NR_alarm 27`
36			`#define __NR_oldfstat 28`
37			`#define __NR_pause 29`
38			`#define __NR_utime 30`
39			`#define __NR_stty 31`
40			`#define __NR_gtty 32`
41			`#define __NR_access 33`
42			`#define __NR_nice 34`
43			`#define __NR_ftime 35`
44			`#define __NR_sync 36`
45			`#define __NR_kill 37`
46			`#define __NR_rename 38`
47			`#define __NR_mkdir 39`
48			`#define __NR_rmdir 40`
49			`#define __NR_dup 41`
50			`#define __NR_pipe 42`
51			`#define __NR_times 43`
52			`#define __NR_prof 44`
53			`#define __NR_brk 45`
54			`#define __NR_setgid 46`
55			`#define __NR_getgid 47`
56			`#define __NR_signal 48`
57			`#define __NR_geteuid 49`
58			`#define __NR_getegid 50`
59			`#define __NR_acct 51`
60			`#define __NR_phys 52`
61			`#define __NR_lock 53`
62			`#define __NR_ioctl 54`
63			`#define __NR_fcntl 55`
64			`#define __NR_mpx 56`
65			`#define __NR_setpgid 57`
66			`#define __NR_ulimit 58`
67			`#define __NR_oldolduname 59`
68			`#define __NR_umask 60`
69			`#define __NR_chroot 61`
70			`#define __NR_ustat 62`
71			`#define __NR_dup2 63`
72			`#define __NR_getppid 64`
73			`#define __NR_getpgrp 65`
74			`#define __NR_setsid 66`
75			`#define __NR_sigaction 67`
76			`#define __NR_sgetmask 68`
77			`#define __NR_ssetmask 69`
78			`#define __NR_setreuid 70`
79			`#define __NR_setregid 71`
80			`#define __NR_sigsuspend 72`
81			`#define __NR_sigpending 73`
82			`#define __NR_sethostname 74`
83			`#define __NR_setrlimit 75`
84			`#define __NR_getrlimit 76`
85			`#define __NR_getrusage 77`
86			`#define __NR_gettimeofday 78`
87			`#define __NR_settimeofday 79`
88			`#define __NR_getgroups 80`
89			`#define __NR_setgroups 81`
90			`#define __NR_select 82`
91			`#define __NR_symlink 83`
92			`#define __NR_oldlstat 84`
93			`#define __NR_readlink 85`
94			`#define __NR_uselib 86`
95			`#define __NR_swapon 87`
96			`#define __NR_reboot 88`
97			`#define __NR_readdir 89`
98			`#define __NR_mmap 90`
99			`#define __NR_munmap 91`
100			`#define __NR_truncate 92`
101			`#define __NR_ftruncate 93`
102			`#define __NR_fchmod 94`
103			`#define __NR_fchown 95`
104			`#define __NR_getpriority 96`
105			`#define __NR_setpriority 97`
106			`#define __NR_profil 98`
107			`#define __NR_statfs 99`
108			`#define __NR_fstatfs 100`
109			`#define __NR_ioperm 101`
110			`#define __NR_socketcall 102`
111			`#define __NR_syslog 103`
112			`#define __NR_setitimer 104`
113			`#define __NR_getitimer 105`
114			`#define __NR_stat 106`
115			`#define __NR_lstat 107`
116			`#define __NR_fstat 108`
117			`#define __NR_olduname 109`
118			`#define __NR_iopl 110`
119			`#define __NR_vhangup 111`
120			`#define __NR_idle 112`
121			`#define __NR_vm86 113`
122			`#define __NR_wait4 114`
123			`#define __NR_swapoff 115`
124			`#define __NR_sysinfo 116`
125			`#define __NR_ipc 117`
126			`#define __NR_fsync 118`
127			`#define __NR_sigreturn 119`
128			`#define __NR_clone 120`
129			`#define __NR_setdomainname 121`
130			`#define __NR_uname 122`
131			`#define __NR_modify_ldt 123`
132			`#define __NR_adjtimex 124`
133			`#define __NR_mprotect 125`
134			`#define __NR_sigprocmask 126`
135			`#define __NR_create_module 127`
136			`#define __NR_init_module 128`
137			`#define __NR_delete_module 129`
138			`#define __NR_get_kernel_syms 130`
139			`#define __NR_quotactl 131`
140			`#define __NR_getpgid 132`
141			`#define __NR_fchdir 133`
142			`#define __NR_bdflush 134`
143			`#define __NR_sysfs 135`
144			`#define __NR_personality 136`
145			`#define __NR_afs_syscall 137 /* Syscall for Andrew File System */`
146			`#define __NR_setfsuid 138`
147			`#define __NR_setfsgid 139`
148			`#define __NR__llseek 140`
149			`#define __NR_getdents 141`
150			`#define __NR__newselect 142`
151			`#define __NR_flock 143`
152			`#define __NR_msync 144`
153			`#define __NR_readv 145`
154			`#define __NR_writev 146`
155			`#define __NR_getsid 147`
156			`#define __NR_fdatasync 148`
157			`#define __NR__sysctl 149`
158			`#define __NR_mlock 150`
159			`#define __NR_munlock 151`
160			`#define __NR_mlockall 152`
161			`#define __NR_munlockall 153`
162			`#define __NR_sched_setparam 154`
163			`#define __NR_sched_getparam 155`
164			`#define __NR_sched_setscheduler 156`
165			`#define __NR_sched_getscheduler 157`
166			`#define __NR_sched_yield 158`
167			`#define __NR_sched_get_priority_max 159`
168			`#define __NR_sched_get_priority_min 160`
169			`#define __NR_sched_rr_get_interval 161`
170			`#define __NR_nanosleep 162`
171			`#define __NR_mremap 163`
172			`#define __NR_poll 168`
173			`#define __NR_getpmsg 188`
174			`#define __NR_putpmsg 189`
175
176			`/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */`
177			`#define _syscall0(type,name) \`
178			`type name(void) \`
179			`{ \`
180			`long __res; \`
181			`__asm__ volatile ("int $0x80" \`
182			`: "=a" (__res) \`
183			`: "0" (__NR_##name)); \`
184			`if (__res >= 0) \`
185			`return (type) __res; \`
186			`errno = -__res; \`
187			`return -1; \`
188			`}`
189
190			`#define _syscall1(type,name,type1,arg1) \`
191			`type name(type1 arg1) \`
192			`{ \`
193			`long __res; \`
194			`__asm__ volatile ("int $0x80" \`
195			`: "=a" (__res) \`
196			`: "0" (__NR_##name),"b" ((long)(arg1))); \`
197			`if (__res >= 0) \`
198			`return (type) __res; \`
199			`errno = -__res; \`
200			`return -1; \`
201			`}`
202
203			`#define _syscall2(type,name,type1,arg1,type2,arg2) \`
204			`type name(type1 arg1,type2 arg2) \`
205			`{ \`
206			`long __res; \`
207			`__asm__ volatile ("int $0x80" \`
208			`: "=a" (__res) \`
209			`: "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \`
210			`if (__res >= 0) \`
211			`return (type) __res; \`
212			`errno = -__res; \`
213			`return -1; \`
214			`}`
215
216			`#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \`
217			`type name(type1 arg1,type2 arg2,type3 arg3) \`
218			`{ \`
219			`long __res; \`
220			`__asm__ volatile ("int $0x80" \`
221			`: "=a" (__res) \`
222			`: "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \`
223			`"d" ((long)(arg3))); \`
224			`if (__res>=0) \`
225			`return (type) __res; \`
226			`errno=-__res; \`
227			`return -1; \`
228			`}`
229
230			`#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \`
231			`type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \`
232			`{ \`
233			`long __res; \`
234			`__asm__ volatile ("int $0x80" \`
235			`: "=a" (__res) \`
236			`: "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \`
237			`"d" ((long)(arg3)),"S" ((long)(arg4))); \`
238			`if (__res>=0) \`
239			`return (type) __res; \`
240			`errno=-__res; \`
241			`return -1; \`
242			`}`
243
244			`#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \`
245			`type5,arg5) \`
246			`type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \`
247			`{ \`
248			`long __res; \`
249			`__asm__ volatile ("int $0x80" \`
250			`: "=a" (__res) \`
251			`: "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \`
252			`"d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \`
253			`if (__res>=0) \`
254			`return (type) __res; \`
255			`errno=-__res; \`
256			`return -1; \`
257			`}`
258
259			`#ifdef __KERNEL_SYSCALLS__`
260
261			`/*`
262			`* we need this inline - forking from kernel space will result`
263			`* in NO COPY ON WRITE (!!!), until an execve is executed. This`
264			`* is no problem, but for the stack. This is handled by not letting`
265			`* main() use the stack at all after fork(). Thus, no function`
266			`* calls - which means inline code for fork too, as otherwise we`
267			`* would use the stack upon exit from 'fork()'.`
268			`*`
269			`* Actually only pause and fork are needed inline, so that there`
270			`* won't be any messing with the stack from main(), but we define`
271			`* some others too.`
272			`*/`
273			`#define __NR__exit __NR_exit`
274			`static inline _syscall0(int,idle)`
275			`static inline _syscall0(int,fork)`
276			`static inline _syscall2(int,clone,unsigned long,flags,char *,esp)`
277			`static inline _syscall0(int,pause)`
278			`static inline _syscall0(int,setup)`
279			`static inline _syscall0(int,sync)`
280			`static inline _syscall0(pid_t,setsid)`
281			`static inline _syscall3(int,read,int,fd,char *,buf,off_t,count)`
282			`static inline _syscall3(off_t,lseek,int,fd,off_t,offset,int,count)`
283			`static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)`
284			`static inline _syscall1(int,dup,int,fd)`
285			`static inline _syscall3(int,execve,const char ,file,char ,argv,char *,envp)`
286			`static inline _syscall3(int,open,const char *,file,int,flag,int,mode)`
287			`static inline _syscall1(int,close,int,fd)`
288			`static inline _syscall1(int,_exit,int,exitcode)`
289			`static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)`
290
291			`static inline pid_t wait(int * wait_stat)`
292			`{`
293			`return waitpid(-1,wait_stat,0);`
294			`}`
295
296			`/*`
297			`* This is the mechanism for creating a new kernel thread.`
298			`*`
299			`* NOTE! Only a kernel-only process(ie the swapper or direct descendants`
300			`* who haven't done an "execve()") should use this: it will work within`
301			`* a system call from a "real" process, but the process memory space will`
302			`* not be free'd until both the parent and the child have exited.`
303			`*/`
304			`static inline pid_t kernel_thread(int (fn)(void ), void * arg, unsigned long flags)`
305			`{`
306			`long retval;`
307
308			`__asm__ __volatile__(`
309			`"movl %%esp,%%esi\n\t"`
310			`"int $0x80\n\t" /* Linux/i386 system call */`
311			`"cmpl %%esp,%%esi\n\t" /* child or parent? */`
312			`"je 1f\n\t" /* parent - jump */`
313			`"pushl %3\n\t" /* push argument */`
314			`"call %4\n\t" / call fn */`
315			`"movl %2,%0\n\t" /* exit */`
316			`"int $0x80\n"`
317			`"1:\t"`
318			`:"=a" (retval)`
319			`:"0" (__NR_clone), "i" (__NR_exit),`
320			`"r" (arg), "r" (fn),`
321			`"b" (flags \| CLONE_VM)`
322			`:"si");`
323			`return retval;`
324			`}`
325
326			`#endif`
327
328			`#endif /* _ASM_I386_UNISTD_H_ */`