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syscall: fix Statfs and Fstatfs on Linux/ARM

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R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6615055
This commit is contained in:
Shenghou Ma 2012-10-08 00:13:28 +08:00
parent 892fa3ae6c
commit f8485954bf
2 changed files with 22 additions and 27 deletions
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24
src/pkg/syscall/syscall_linux_arm.go
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@ -4,6 +4,8 @@
package syscall
import "unsafe"
func Getpagesize() int { return 4096 }
func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
@ -46,7 +48,6 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error)
//sys Chown(path string, uid int, gid int) (err error) = SYS_CHOWN32
//sys Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
//sys Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
//sys Fstatfs(fd int, buf *Statfs_t) (err error) = SYS_FSTATFS64
//sysnb Getegid() (egid int) = SYS_GETEGID32
//sysnb Geteuid() (euid int) = SYS_GETEUID32
//sysnb Getgid() (gid int) = SYS_GETGID32
@ -66,7 +67,6 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error)
//sys Shutdown(fd int, how int) (err error)
//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
//sys Stat(path string, stat *Stat_t) (err error) = SYS_STAT64
//sys Statfs(path string, buf *Statfs_t) (err error) = SYS_STATFS64
// Vsyscalls on amd64.
//sysnb Gettimeofday(tv *Timeval) (err error)
@ -79,6 +79,26 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error)
//sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error)
func Fstatfs(fd int, buf *Statfs_t) (err error) {
_, _, e := Syscall(SYS_FSTATFS64, uintptr(fd), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
if e != 0 {
err = e
}
return
}
func Statfs(path string, buf *Statfs_t) (err error) {
pathp, err := BytePtrFromString(path)
if err != nil {
return err
}
_, _, e := Syscall(SYS_STATFS64, uintptr(unsafe.Pointer(pathp)), unsafe.Sizeof(*buf), uintptr(unsafe.Pointer(buf)))
if e != 0 {
err = e
}
return
}
func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) {
page := uintptr(offset / 4096)
if offset != int64(page)*4096 {