GET_THREAD_AREASection: Linux Programmer's Manual (2)
Index Return to Main Contents
NAMEget_thread_area - Get a Thread Local Storage (TLS) area
DESCRIPTIONget_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 VALUEget_thread_area() returns 0 on success. Otherwise, it returns -1 and sets errno appropriately.
- u_info is an invalid pointer.
- u_info->entry_number is out of bounds.
VERSIONSA version of get_thread_area() first appeared in Linux 2.5.32.
CONFORMING TOget_thread_area() is Linux specific and should not be used in programs that are intended to be portable.
SEE ALSOmodify_ldt(2), set_thread_area(2)