unix: add Illumos statvfs(2) syscall
Reference: https://www.illumos.org/man/2/statvfs
Change-Id: If7af43da35b3204f5069a48eb08426a145544008
Reviewed-on: https://go-review.googlesource.com/43490
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
diff --git a/unix/syscall_solaris.go b/unix/syscall_solaris.go
index 542b0ba..cab9b4f 100644
--- a/unix/syscall_solaris.go
+++ b/unix/syscall_solaris.go
@@ -583,6 +583,7 @@
//sys Fdatasync(fd int) (err error)
//sys Fpathconf(fd int, name int) (val int, err error)
//sys Fstat(fd int, stat *Stat_t) (err error)
+//sys Fstatvfs(fd int, vfsstat *Statvfs_t) (err error)
//sys Getdents(fd int, buf []byte, basep *uintptr) (n int, err error)
//sysnb Getgid() (gid int)
//sysnb Getpid() (pid int)
@@ -639,6 +640,7 @@
//sysnb Setuid(uid int) (err error)
//sys Shutdown(s int, how int) (err error) = libsocket.shutdown
//sys Stat(path string, stat *Stat_t) (err error)
+//sys Statvfs(path string, vfsstat *Statvfs_t) (err error)
//sys Symlink(path string, link string) (err error)
//sys Sync() (err error)
//sysnb Times(tms *Tms) (ticks uintptr, err error)
diff --git a/unix/syscall_solaris_test.go b/unix/syscall_solaris_test.go
new file mode 100644
index 0000000..d3e7d2b
--- /dev/null
+++ b/unix/syscall_solaris_test.go
@@ -0,0 +1,34 @@
+// Copyright 2017 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build solaris
+
+package unix_test
+
+import (
+ "os/exec"
+ "testing"
+
+ "golang.org/x/sys/unix"
+)
+
+func TestStatvfs(t *testing.T) {
+ if err := unix.Statvfs("", nil); err == nil {
+ t.Fatal(`Statvfs("") expected failure`)
+ }
+
+ statvfs := unix.Statvfs_t{}
+ if err := unix.Statvfs("/", &statvfs); err != nil {
+ t.Errorf(`Statvfs("/") failed: %v`, err)
+ }
+
+ if t.Failed() {
+ mount, err := exec.Command("mount").CombinedOutput()
+ if err != nil {
+ t.Logf("mount: %v\n%s", err, mount)
+ } else {
+ t.Logf("mount: %s", mount)
+ }
+ }
+}
diff --git a/unix/types_solaris.go b/unix/types_solaris.go
index 69bf1bc..393c7f0 100644
--- a/unix/types_solaris.go
+++ b/unix/types_solaris.go
@@ -37,6 +37,7 @@
#include <sys/signal.h>
#include <sys/socket.h>
#include <sys/stat.h>
+#include <sys/statvfs.h>
#include <sys/time.h>
#include <sys/times.h>
#include <sys/types.h>
@@ -139,6 +140,12 @@
type Dirent C.struct_dirent
+// Filesystems
+
+type _Fsblkcnt_t C.fsblkcnt_t
+
+type Statvfs_t C.struct_statvfs
+
// Sockets
type RawSockaddrInet4 C.struct_sockaddr_in
diff --git a/unix/zsyscall_solaris_amd64.go b/unix/zsyscall_solaris_amd64.go
index eb703e8..cbc6f6e 100644
--- a/unix/zsyscall_solaris_amd64.go
+++ b/unix/zsyscall_solaris_amd64.go
@@ -45,6 +45,7 @@
//go:cgo_import_dynamic libc_fdatasync fdatasync "libc.so"
//go:cgo_import_dynamic libc_fpathconf fpathconf "libc.so"
//go:cgo_import_dynamic libc_fstat fstat "libc.so"
+//go:cgo_import_dynamic libc_fstatvfs fstatvfs "libc.so"
//go:cgo_import_dynamic libc_getdents getdents "libc.so"
//go:cgo_import_dynamic libc_getgid getgid "libc.so"
//go:cgo_import_dynamic libc_getpid getpid "libc.so"
@@ -101,6 +102,7 @@
//go:cgo_import_dynamic libc_setuid setuid "libc.so"
//go:cgo_import_dynamic libc_shutdown shutdown "libsocket.so"
//go:cgo_import_dynamic libc_stat stat "libc.so"
+//go:cgo_import_dynamic libc_statvfs statvfs "libc.so"
//go:cgo_import_dynamic libc_symlink symlink "libc.so"
//go:cgo_import_dynamic libc_sync sync "libc.so"
//go:cgo_import_dynamic libc_times times "libc.so"
@@ -163,6 +165,7 @@
//go:linkname procFdatasync libc_fdatasync
//go:linkname procFpathconf libc_fpathconf
//go:linkname procFstat libc_fstat
+//go:linkname procFstatvfs libc_fstatvfs
//go:linkname procGetdents libc_getdents
//go:linkname procGetgid libc_getgid
//go:linkname procGetpid libc_getpid
@@ -219,6 +222,7 @@
//go:linkname procSetuid libc_setuid
//go:linkname procshutdown libc_shutdown
//go:linkname procStat libc_stat
+//go:linkname procStatvfs libc_statvfs
//go:linkname procSymlink libc_symlink
//go:linkname procSync libc_sync
//go:linkname procTimes libc_times
@@ -282,6 +286,7 @@
procFdatasync,
procFpathconf,
procFstat,
+ procFstatvfs,
procGetdents,
procGetgid,
procGetpid,
@@ -338,6 +343,7 @@
procSetuid,
procshutdown,
procStat,
+ procStatvfs,
procSymlink,
procSync,
procTimes,
@@ -713,6 +719,14 @@
return
}
+func Fstatvfs(fd int, vfsstat *Statvfs_t) (err error) {
+ _, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procFstatvfs)), 2, uintptr(fd), uintptr(unsafe.Pointer(vfsstat)), 0, 0, 0, 0)
+ if e1 != 0 {
+ err = e1
+ }
+ return
+}
+
func Getdents(fd int, buf []byte, basep *uintptr) (n int, err error) {
var _p0 *byte
if len(buf) > 0 {
@@ -1302,6 +1316,19 @@
return
}
+func Statvfs(path string, vfsstat *Statvfs_t) (err error) {
+ var _p0 *byte
+ _p0, err = BytePtrFromString(path)
+ if err != nil {
+ return
+ }
+ _, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procStatvfs)), 2, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(vfsstat)), 0, 0, 0, 0)
+ if e1 != 0 {
+ err = e1
+ }
+ return
+}
+
func Symlink(path string, link string) (err error) {
var _p0 *byte
_p0, err = BytePtrFromString(path)
diff --git a/unix/ztypes_solaris_amd64.go b/unix/ztypes_solaris_amd64.go
index 7ff96e5..92336f9 100644
--- a/unix/ztypes_solaris_amd64.go
+++ b/unix/ztypes_solaris_amd64.go
@@ -129,6 +129,24 @@
Pad_cgo_0 [5]byte
}
+type _Fsblkcnt_t uint64
+
+type Statvfs_t struct {
+ Bsize uint64
+ Frsize uint64
+ Blocks uint64
+ Bfree uint64
+ Bavail uint64
+ Files uint64
+ Ffree uint64
+ Favail uint64
+ Fsid uint64
+ Basetype [16]int8
+ Flag uint64
+ Namemax uint64
+ Fstr [32]int8
+}
+
type RawSockaddrInet4 struct {
Family uint16
Port uint16
