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get_thread_area
Langue: en
Version: 2008-11-27 (MeeGo - 06/11/10)
Section: 2 (Appels système)
NAME
get_thread_area - Get a Thread Local Storage (TLS) areaSYNOPSIS
#include <linux/unistd.h>#include <asm/ldt.h>
int get_thread_area(struct user_desc *u_info);
DESCRIPTION
get_thread_area() returns an entry in the current thread's Thread Local Storage (TLS) array. The index of the entry corresponds to the value of u_info->entry_number, passed in by the user. If the value is in bounds, get_thread_area() copies the corresponding TLS entry into the area pointed to by u_info.RETURN VALUE
get_thread_area() returns 0 on success. Otherwise, it returns -1 and sets errno appropriately.ERRORS
- EFAULT
- u_info is an invalid pointer.
- EINVAL
- u_info->entry_number is out of bounds.
VERSIONS
A version of get_thread_area() first appeared in Linux 2.5.32.CONFORMING TO
get_thread_area() is Linux-specific and should not be used in programs that are intended to be portable.NOTES
Glibc does not provide a wrapper for this system call; call it using syscall(2).SEE ALSO
modify_ldt(2), set_thread_area(2)COLOPHON
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