/* Copyright (C) 2003, 2007 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include /* All locks in libc are private. Use the kernel feature if possible. */ #define FUTEX_PRIVATE_FLAG 128 #ifdef __ASSUME_PRIVATE_FUTEX # define FUTEX_WAIT (0 | FUTEX_PRIVATE_FLAG) # define FUTEX_WAKE (1 | FUTEX_PRIVATE_FLAG) #else # define LOAD_FUTEX_WAIT(reg,tmp) \ stc gbr, tmp ; \ mov.w 99f, reg ; \ add reg, tmp ; \ bra 98f ; \ mov.l @tmp, reg ; \ 99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ 98: # define LOAD_FUTEX_WAKE(reg,tmp) \ stc gbr, tmp ; \ mov.w 99f, reg ; \ add reg, tmp ; \ mov.l @tmp, reg ; \ bra 98f ; \ mov #FUTEX_WAKE, tmp ; \ 99: .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE ; \ 98: or tmp, reg #endif #include "lowlevellock.S"