GET_THREAD_AREA(2) Linux Programmer's Manual GET_THREAD_AREA(2) NAME get_thread_area - get a thread-local storage (TLS) area SYNOPSIS #include <linux/unistd.h> #include <asm/ldt.h> int get_thread_area(struct user_desc *u_info); Note: There is no glibc wrapper for this system call; see NOTES. 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, since it is gen- erally intended for use only by threading libraries. In the unlikely event that you want to call it directly, use syscall(2). SEE ALSO modify_ldt(2), set_thread_area(2) COLOPHON This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/. Linux 2012-07-13 GET_THREAD_AREA(2)
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