| #include <linux/unistd.h> |
| static _syscall1(int, get_thread_area, user_desc_t *, u_info); |
| /* Checks whether host supports TLS, and sets *tls_min according to the value |
| * i386 host have it == 6; x86_64 host have it == 12, for i386 emulation. */ |
| void check_host_supports_tls(int *supports_tls, int *tls_min) { |
| /* Values for x86 and x86_64.*/ |
| int val[] = {GDT_ENTRY_TLS_MIN_I386, GDT_ENTRY_TLS_MIN_X86_64}; |
| for (i = 0; i < ARRAY_SIZE(val); i++) { |
| info.entry_number = val[i]; |
| if (get_thread_area(&info) == 0) { |
| else if (errno == ENOSYS) |