diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-04 16:27:50 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-11-04 16:27:50 -0800 |
| commit | 602d4a7e2f4b843d1a67375d4d7104073495b758 (patch) | |
| tree | 0b9f184e54fa693c27bd5986c114bdcf6949f788 /include/asm-ppc/futex.h | |
| parent | 0bbacc402e67abca8794a8401c1621dc0c0202e9 (diff) | |
| parent | c51e3a417bb0f295e13a5bad86302b5212eafdf3 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/powerpc-merge
Diffstat (limited to 'include/asm-ppc/futex.h')
| -rw-r--r-- | include/asm-ppc/futex.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/include/asm-ppc/futex.h b/include/asm-ppc/futex.h deleted file mode 100644 index 9feff4ce142..00000000000 --- a/include/asm-ppc/futex.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef _ASM_FUTEX_H -#define _ASM_FUTEX_H - -#ifdef __KERNEL__ - -#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 |