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unix: Added posix_fadvise support for Linux and FreeBSD

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Support includes 386, amd64, and arm for both Linux and FreeBSD.
FreeBSD changes courtesy Dave Chapeskie <dchapeskie@gmail.com>

Change-Id: I89dc18533d7178e74ae6c442a2e6272c9bd9692c
Reviewed-on: https://go-review.googlesource.com/8055
Reviewed-by: Rob Pike <r@golang.org>
This commit is contained in:
Eric
2015-03-25 21:58:20 -07:00
committed by Rob Pike
parent 71c96e4240
commit ea745763b1
12 changed files with 103 additions and 1 deletions
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1
unix/syscall_freebsd.go
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@@ -394,6 +394,7 @@ func Llistxattr(link string, dest []byte) (sz int, err error) {
//sys ExtattrSetLink(link string, attrnamespace int, attrname string, data uintptr, nbytes int) (ret int, err error)
//sys ExtattrDeleteLink(link string, attrnamespace int, attrname string) (err error)
//sys ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (ret int, err error)
//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_POSIX_FADVISE
//sys Fchdir(fd int) (err error)
//sys Fchflags(fd int, flags int) (err error)
//sys Fchmod(fd int, mode uint32) (err error)

2
unix/syscall_linux.go
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@@ -799,6 +799,7 @@ func Mount(source string, target string, fstype string, flags uintptr, data stri
//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
//sys Exit(code int) = SYS_EXIT_GROUP
//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
//sys Fallocate(fd int, mode uint32, off int64, len int64) (err error)
//sys Fchdir(fd int) (err error)
//sys Fchmod(fd int, mode uint32) (err error)
@@ -930,7 +931,6 @@ func Munmap(b []byte) (err error) {
// EpollWaitOld
// Eventfd
// Execve
// Fadvise64
// Fgetxattr
// Flistxattr
// Fork

1
unix/syscall_linux_386.go
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@@ -34,6 +34,7 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
// 64-bit file system and 32-bit uid calls
// (386 default is 32-bit file system and 16-bit uid).
//sys Chown(path string, uid int, gid int) (err error) = SYS_CHOWN32
//sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64_64
//sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64

1
unix/syscall_linux_arm.go
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@@ -86,6 +86,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
//sys Truncate(path string, length int64) (err error) = SYS_TRUNCATE64
//sys Fadvise(fd int, advice int64, offset int64, length int) = SYS_FADVISE64
//sys Ftruncate(fd int, length int64) (err error) = SYS_FTRUNCATE64
//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)

11
unix/types_freebsd.go
View File

@@ -210,6 +210,17 @@ type Dirent C.struct_dirent
type Fsid C.struct_fsid
// Advice to Fadvise
const (
FADV_NORMAL = C.POSIX_FADV_NORMAL
FADV_RANDOM = C.POSIX_FADV_RANDOM
FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
FADV_WILLNEED = C.POSIX_FADV_WILLNEED
FADV_DONTNEED = C.POSIX_FADV_DONTNEED
FADV_NOREUSE = C.POSIX_FADV_NOREUSE
)
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in

11
unix/types_linux.go
View File

@@ -160,6 +160,17 @@ type Fsid C.fsid_t
type Flock_t C.struct_flock
// Advice to Fadvise
const (
FADV_NORMAL = C.POSIX_FADV_NORMAL
FADV_RANDOM = C.POSIX_FADV_RANDOM
FADV_SEQUENTIAL = C.POSIX_FADV_SEQUENTIAL
FADV_WILLNEED = C.POSIX_FADV_WILLNEED
FADV_DONTNEED = C.POSIX_FADV_DONTNEED
FADV_NOREUSE = C.POSIX_FADV_NOREUSE
)
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in

10
unix/zsyscall_freebsd_386.go
View File

@@ -652,6 +652,16 @@ func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall6(SYS_POSIX_FADVISE, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32), uintptr(advice))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchdir(fd int) (err error) {
_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
if e1 != 0 {

10
unix/zsyscall_freebsd_amd64.go
View File

@@ -652,6 +652,16 @@ func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall6(SYS_POSIX_FADVISE, uintptr(fd), uintptr(offset), uintptr(length), uintptr(advice), 0, 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchdir(fd int) (err error) {
_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
if e1 != 0 {

10
unix/zsyscall_freebsd_arm.go
View File

@@ -652,6 +652,16 @@ func ExtattrListLink(link string, attrnamespace int, data uintptr, nbytes int) (
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall9(SYS_POSIX_FADVISE, uintptr(fd), 0, uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32), uintptr(advice), 0, 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchdir(fd int) (err error) {
_, _, e1 := Syscall(SYS_FCHDIR, uintptr(fd), 0, 0)
if e1 != 0 {

20
unix/zsyscall_linux_386.go
View File

@@ -411,6 +411,16 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall6(SYS_FADVISE64, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32), uintptr(advice))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fallocate(fd int, mode uint32, off int64, len int64) (err error) {
_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(off>>32), uintptr(len), uintptr(len>>32))
if e1 != 0 {
@@ -1409,6 +1419,16 @@ func Chown(path string, uid int, gid int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall6(SYS_FADVISE64_64, uintptr(fd), uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32), uintptr(advice))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fchown(fd int, uid int, gid int) (err error) {
_, _, e1 := Syscall(SYS_FCHOWN32, uintptr(fd), uintptr(uid), uintptr(gid))
if e1 != 0 {

10
unix/zsyscall_linux_amd64.go
View File

@@ -411,6 +411,16 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall6(SYS_FADVISE64, uintptr(fd), uintptr(offset), uintptr(length), uintptr(advice), 0, 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fallocate(fd int, mode uint32, off int64, len int64) (err error) {
_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(len), 0, 0)
if e1 != 0 {

17
unix/zsyscall_linux_arm.go
View File

@@ -411,6 +411,16 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, offset int64, length int64, advice int) (err error) {
_, _, e1 := Syscall9(SYS_FADVISE64, uintptr(fd), 0, uintptr(offset), uintptr(offset>>32), uintptr(length), uintptr(length>>32), uintptr(advice), 0, 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fallocate(fd int, mode uint32, off int64, len int64) (err error) {
_, _, e1 := Syscall6(SYS_FALLOCATE, uintptr(fd), uintptr(mode), uintptr(off), uintptr(off>>32), uintptr(len), uintptr(len>>32))
if e1 != 0 {
@@ -1872,6 +1882,13 @@ func Truncate(path string, length int64) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Fadvise(fd int, advice int64, offset int64, length int) {
Syscall9(SYS_FADVISE64, uintptr(fd), 0, uintptr(advice), uintptr(advice>>32), uintptr(offset), uintptr(offset>>32), uintptr(length), 0, 0)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Ftruncate(fd int, length int64) (err error) {
_, _, e1 := Syscall6(SYS_FTRUNCATE64, uintptr(fd), 0, uintptr(length), uintptr(length>>32), 0, 0)
if e1 != 0 {