Linux Kernel  3.7.1
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tls.h
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1 #ifndef _SYSDEP_TLS_H
2 #define _SYSDEP_TLS_H
3 
4 # ifndef __KERNEL__
5 
6 /* Change name to avoid conflicts with the original one from <asm/ldt.h>, which
7  * may be named user_desc (but in 2.4 and in header matching its API was named
8  * modify_ldt_ldt_s). */
9 
10 typedef struct um_dup_user_desc {
11  unsigned int entry_number;
12  unsigned int base_addr;
13  unsigned int limit;
14  unsigned int seg_32bit:1;
15  unsigned int contents:2;
16  unsigned int read_exec_only:1;
17  unsigned int limit_in_pages:1;
18  unsigned int seg_not_present:1;
19  unsigned int useable:1;
20 #ifdef __x86_64__
21  unsigned int lm:1;
22 #endif
23 } user_desc_t;
24 
25 # else /* __KERNEL__ */
26 
27 typedef struct user_desc user_desc_t;
28 
29 # endif /* __KERNEL__ */
30 
31 extern int os_set_thread_area(user_desc_t *info, int pid);
32 extern int os_get_thread_area(user_desc_t *info, int pid);
33 
34 #ifdef __i386__
35 #define GDT_ENTRY_TLS_MIN_I386 6
36 #define GDT_ENTRY_TLS_MIN_X86_64 12
37 #endif
38 
39 #endif /* _SYSDEP_TLS_H */