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| author | Len Brown <len.brown@intel.com> | 2006-01-07 08:50:18 (GMT) |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2006-01-07 08:50:18 (GMT) |
| commit | ed03f430cdc8c802652467e9097606fedc2c7abc (patch) | |
| tree | 30941ec1e6f93e99358fefe18175e5dd800a4379 /include/asm-frv/futex.h | |
| parent | ed349a8a0a780ed27e2a765f16cee54d9b63bfee (diff) | |
| parent | 6f957eaf79356a32e838f5f262ee9a60544b1d5b (diff) | |
| download | linux-ed03f430cdc8c802652467e9097606fedc2c7abc.tar.xz | |
Pull pnpacpi into acpica branch
Diffstat (limited to 'include/asm-frv/futex.h')
| -rw-r--r-- | include/asm-frv/futex.h | 42 |
1 files changed, 1 insertions, 41 deletions
diff --git a/include/asm-frv/futex.h b/include/asm-frv/futex.h index 9feff4ce..fca9d90 100644 --- a/include/asm-frv/futex.h +++ b/include/asm-frv/futex.h @@ -7,47 +7,7 @@ #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; -} +extern int futex_atomic_op_inuser(int encoded_op, int __user *uaddr); #endif #endif |