diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2006-01-09 19:18:33 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-01-09 19:18:33 +0000 |
| commit | 0a3a98f6dd4e8f4d928a09302c0d1c56f2192ac3 (patch) | |
| tree | 92f55e374a84d06ce8213a4540454760fdecf137 /include/asm-cris/futex.h | |
| parent | 8ef12c9f01afba47c2d33bb939085111ca0d0f7d (diff) | |
| parent | 5367f2d67c7d0bf1faae90e6e7b4e2ac3c9b5e0f (diff) | |
Merge Linus' tree.
Diffstat (limited to 'include/asm-cris/futex.h')
| -rw-r--r-- | include/asm-cris/futex.h | 49 |
1 files changed, 1 insertions, 48 deletions
diff --git a/include/asm-cris/futex.h b/include/asm-cris/futex.h index 9feff4ce142..6a332a9f099 100644 --- a/include/asm-cris/futex.h +++ b/include/asm-cris/futex.h @@ -1,53 +1,6 @@ #ifndef _ASM_FUTEX_H #define _ASM_FUTEX_H -#ifdef __KERNEL__ +#include <asm-generic/futex.h> -#include <linux/futex.h> -#include <asm/errno.h> -#include <asm/uaccess.h> - -static inline int -futex_atomic_op_inuser (int encoded_op, int __user *uaddr) -{ - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; - int oldval = 0, ret; - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) - return -EFAULT; - - inc_preempt_count(); - - switch (op) { - case FUTEX_OP_SET: - case FUTEX_OP_ADD: - case FUTEX_OP_OR: - case FUTEX_OP_ANDN: - case FUTEX_OP_XOR: - default: - ret = -ENOSYS; - } - - dec_preempt_count(); - - if (!ret) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } - return ret; -} - -#endif #endif |