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unix: add Select on Solaris
Change-Id: I9e0e4bc6b9f8700d72e891d623f948db6af7d64b Reviewed-on: https://go-review.googlesource.com/85255 Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Ian Lance Taylor <iant@golang.org>
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committed by
Tobias Klauser
parent
d818ba11af
commit
801364e02a
@@ -658,6 +658,7 @@ func Poll(fds []PollFd, timeout int) (n int, err error) {
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//sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
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//sys Rmdir(path string) (err error)
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//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = lseek
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//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
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//sysnb Setegid(egid int) (err error)
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//sysnb Seteuid(euid int) (err error)
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//sysnb Setgid(gid int) (err error)
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@@ -9,10 +9,31 @@ package unix_test
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import (
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"os/exec"
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"testing"
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"time"
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"golang.org/x/sys/unix"
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)
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func TestSelect(t *testing.T) {
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err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0})
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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dur := 150 * time.Millisecond
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tv := unix.NsecToTimeval(int64(dur))
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start := time.Now()
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err = unix.Select(0, nil, nil, nil, &tv)
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took := time.Since(start)
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if err != nil {
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t.Fatalf("Select: %v", err)
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}
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if took < dur {
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t.Errorf("Select: timeout should have been at least %v, got %v", dur, took)
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}
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}
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func TestStatvfs(t *testing.T) {
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if err := unix.Statvfs("", nil); err == nil {
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t.Fatal(`Statvfs("") expected failure`)
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@@ -95,6 +95,7 @@ import (
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//go:cgo_import_dynamic libc_renameat renameat "libc.so"
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//go:cgo_import_dynamic libc_rmdir rmdir "libc.so"
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//go:cgo_import_dynamic libc_lseek lseek "libc.so"
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//go:cgo_import_dynamic libc_select select "libc.so"
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//go:cgo_import_dynamic libc_setegid setegid "libc.so"
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//go:cgo_import_dynamic libc_seteuid seteuid "libc.so"
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//go:cgo_import_dynamic libc_setgid setgid "libc.so"
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@@ -220,6 +221,7 @@ import (
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//go:linkname procRenameat libc_renameat
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//go:linkname procRmdir libc_rmdir
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//go:linkname proclseek libc_lseek
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//go:linkname procSelect libc_select
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//go:linkname procSetegid libc_setegid
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//go:linkname procSeteuid libc_seteuid
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//go:linkname procSetgid libc_setgid
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@@ -346,6 +348,7 @@ var (
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procRenameat,
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procRmdir,
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proclseek,
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procSelect,
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procSetegid,
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procSeteuid,
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procSetgid,
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@@ -1264,6 +1267,14 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
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return
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}
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func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) {
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_, _, e1 := sysvicall6(uintptr(unsafe.Pointer(&procSelect)), 5, uintptr(n), uintptr(unsafe.Pointer(r)), uintptr(unsafe.Pointer(w)), uintptr(unsafe.Pointer(e)), uintptr(unsafe.Pointer(timeout)), 0)
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if e1 != 0 {
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err = e1
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}
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return
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}
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func Setegid(egid int) (err error) {
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_, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procSetegid)), 1, uintptr(egid), 0, 0, 0, 0, 0)
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if e1 != 0 {
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