diff --git a/unix/syscall_solaris.go b/unix/syscall_solaris.go index 81e23f9b..9dc01e74 100644 --- a/unix/syscall_solaris.go +++ b/unix/syscall_solaris.go @@ -658,6 +658,7 @@ func Poll(fds []PollFd, timeout int) (n int, err error) { //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) //sys Rmdir(path string) (err error) //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = lseek +//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) //sysnb Setegid(egid int) (err error) //sysnb Seteuid(euid int) (err error) //sysnb Setgid(gid int) (err error) diff --git a/unix/syscall_solaris_test.go b/unix/syscall_solaris_test.go index d3e7d2b2..57dba882 100644 --- a/unix/syscall_solaris_test.go +++ b/unix/syscall_solaris_test.go @@ -9,10 +9,31 @@ package unix_test import ( "os/exec" "testing" + "time" "golang.org/x/sys/unix" ) +func TestSelect(t *testing.T) { + err := unix.Select(0, nil, nil, nil, &unix.Timeval{Sec: 0, Usec: 0}) + if err != nil { + t.Fatalf("Select: %v", err) + } + + dur := 150 * time.Millisecond + tv := unix.NsecToTimeval(int64(dur)) + start := time.Now() + err = unix.Select(0, nil, nil, nil, &tv) + took := time.Since(start) + if err != nil { + t.Fatalf("Select: %v", err) + } + + if took < dur { + t.Errorf("Select: timeout should have been at least %v, got %v", dur, took) + } +} + func TestStatvfs(t *testing.T) { if err := unix.Statvfs("", nil); err == nil { t.Fatal(`Statvfs("") expected failure`) diff --git a/unix/zsyscall_solaris_amd64.go b/unix/zsyscall_solaris_amd64.go index 1d452764..f5d01b3a 100644 --- a/unix/zsyscall_solaris_amd64.go +++ b/unix/zsyscall_solaris_amd64.go @@ -95,6 +95,7 @@ import ( //go:cgo_import_dynamic libc_renameat renameat "libc.so" //go:cgo_import_dynamic libc_rmdir rmdir "libc.so" //go:cgo_import_dynamic libc_lseek lseek "libc.so" +//go:cgo_import_dynamic libc_select select "libc.so" //go:cgo_import_dynamic libc_setegid setegid "libc.so" //go:cgo_import_dynamic libc_seteuid seteuid "libc.so" //go:cgo_import_dynamic libc_setgid setgid "libc.so" @@ -220,6 +221,7 @@ import ( //go:linkname procRenameat libc_renameat //go:linkname procRmdir libc_rmdir //go:linkname proclseek libc_lseek +//go:linkname procSelect libc_select //go:linkname procSetegid libc_setegid //go:linkname procSeteuid libc_seteuid //go:linkname procSetgid libc_setgid @@ -346,6 +348,7 @@ var ( procRenameat, procRmdir, proclseek, + procSelect, procSetegid, procSeteuid, procSetgid, @@ -1264,6 +1267,14 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { return } +func Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) { + _, _, 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) + if e1 != 0 { + err = e1 + } + return +} + func Setegid(egid int) (err error) { _, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procSetegid)), 1, uintptr(egid), 0, 0, 0, 0, 0) if e1 != 0 {