diff options
Diffstat (limited to 'include/asm-sparc')
| -rw-r--r-- | include/asm-sparc/auxvec.h | 4 | ||||
| -rw-r--r-- | include/asm-sparc/fcntl.h | 59 | ||||
| -rw-r--r-- | include/asm-sparc/futex.h | 53 | ||||
| -rw-r--r-- | include/asm-sparc/hdreg.h | 1 | ||||
| -rw-r--r-- | include/asm-sparc/uaccess.h | 6 |
5 files changed, 60 insertions, 63 deletions
diff --git a/include/asm-sparc/auxvec.h b/include/asm-sparc/auxvec.h new file mode 100644 index 000000000000..ad6f360261f6 --- /dev/null +++ b/include/asm-sparc/auxvec.h @@ -0,0 +1,4 @@ +#ifndef __ASMSPARC_AUXVEC_H +#define __ASMSPARC_AUXVEC_H + +#endif /* !(__ASMSPARC_AUXVEC_H) */ diff --git a/include/asm-sparc/fcntl.h b/include/asm-sparc/fcntl.h index df9c75d41d68..5db60b5ae7b0 100644 --- a/include/asm-sparc/fcntl.h +++ b/include/asm-sparc/fcntl.h @@ -4,10 +4,6 @@ /* open/fcntl - O_SYNC is only implemented on blocks devices and on files located on an ext2 file system */ -#define O_RDONLY 0x0000 -#define O_WRONLY 0x0001 -#define O_RDWR 0x0002 -#define O_ACCMODE 0x0003 #define O_APPEND 0x0008 #define FASYNC 0x0040 /* fcntl, for BSD compatibility */ #define O_CREAT 0x0200 /* not fcntl */ @@ -17,73 +13,24 @@ #define O_NONBLOCK 0x4000 #define O_NDELAY (0x0004 | O_NONBLOCK) #define O_NOCTTY 0x8000 /* not fcntl */ -#define O_DIRECTORY 0x10000 /* must be a directory */ -#define O_NOFOLLOW 0x20000 /* don't follow links */ #define O_LARGEFILE 0x40000 #define O_DIRECT 0x100000 /* direct disk access hint */ #define O_NOATIME 0x200000 -#define F_DUPFD 0 /* dup */ -#define F_GETFD 1 /* get close_on_exec */ -#define F_SETFD 2 /* set/clear close_on_exec */ -#define F_GETFL 3 /* get file->f_flags */ -#define F_SETFL 4 /* set file->f_flags */ #define F_GETOWN 5 /* for sockets. */ #define F_SETOWN 6 /* for sockets. */ #define F_GETLK 7 #define F_SETLK 8 #define F_SETLKW 9 -#define F_SETSIG 10 /* for sockets. */ -#define F_GETSIG 11 /* for sockets. */ - -#define F_GETLK64 12 /* using 'struct flock64' */ -#define F_SETLK64 13 -#define F_SETLKW64 14 - -/* for F_[GET|SET]FL */ -#define FD_CLOEXEC 1 /* actually anything with low bit set goes */ /* for posix fcntl() and lockf() */ #define F_RDLCK 1 #define F_WRLCK 2 #define F_UNLCK 3 -/* for old implementation of bsd flock () */ -#define F_EXLCK 4 /* or 3 */ -#define F_SHLCK 8 /* or 4 */ - -/* for leases */ -#define F_INPROGRESS 16 - -/* operations for bsd flock(), also used by the kernel implementation */ -#define LOCK_SH 1 /* shared lock */ -#define LOCK_EX 2 /* exclusive lock */ -#define LOCK_NB 4 /* or'd with one of the above to prevent - blocking */ -#define LOCK_UN 8 /* remove lock */ - -#define LOCK_MAND 32 /* This is a mandatory flock */ -#define LOCK_READ 64 /* ... Which allows concurrent read operations */ -#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */ -#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */ - -struct flock { - short l_type; - short l_whence; - off_t l_start; - off_t l_len; - pid_t l_pid; - short __unused; -}; +#define __ARCH_FLOCK_PAD short __unused; +#define __ARCH_FLOCK64_PAD short __unused; -struct flock64 { - short l_type; - short l_whence; - loff_t l_start; - loff_t l_len; - pid_t l_pid; - short __unused; -}; +#include <asm-generic/fcntl.h> -#define F_LINUX_SPECIFIC_BASE 1024 #endif diff --git a/include/asm-sparc/futex.h b/include/asm-sparc/futex.h new file mode 100644 index 000000000000..2cac5ecd9d00 --- /dev/null +++ b/include/asm-sparc/futex.h @@ -0,0 +1,53 @@ +#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, tem; + 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 diff --git a/include/asm-sparc/hdreg.h b/include/asm-sparc/hdreg.h deleted file mode 100644 index 7f7fd1af0af3..000000000000 --- a/include/asm-sparc/hdreg.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/hdreg.h> diff --git a/include/asm-sparc/uaccess.h b/include/asm-sparc/uaccess.h index 0a780e84a12b..f8f1ec1f06e6 100644 --- a/include/asm-sparc/uaccess.h +++ b/include/asm-sparc/uaccess.h @@ -47,12 +47,6 @@ #define access_ok(type, addr, size) \ ({ (void)(type); __access_ok((unsigned long)(addr), size); }) -/* this function will go away soon - use access_ok() instead */ -static inline int __deprecated verify_area(int type, const void __user * addr, unsigned long size) -{ - return access_ok(type,addr,size) ? 0 : -EFAULT; -} - /* * The exception table consists of pairs of addresses: the first is the * address of an instruction that is allowed to fault, and the second is |