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-rw-r--r--src/time/sys_plan9.go54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/time/sys_plan9.go b/src/time/sys_plan9.go
new file mode 100644
index 0000000..ba37cf5
--- /dev/null
+++ b/src/time/sys_plan9.go
@@ -0,0 +1,54 @@
+// Copyright 2011 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.
+
+//go:build plan9
+
+package time
+
+import (
+ "errors"
+ "syscall"
+)
+
+// for testing: whatever interrupts a sleep
+func interrupt() {
+ // cannot predict pid, don't want to kill group
+}
+
+func open(name string) (uintptr, error) {
+ fd, err := syscall.Open(name, syscall.O_RDONLY)
+ if err != nil {
+ return 0, err
+ }
+ return uintptr(fd), nil
+}
+
+func read(fd uintptr, buf []byte) (int, error) {
+ return syscall.Read(int(fd), buf)
+}
+
+func closefd(fd uintptr) {
+ syscall.Close(int(fd))
+}
+
+func preadn(fd uintptr, buf []byte, off int) error {
+ whence := seekStart
+ if off < 0 {
+ whence = seekEnd
+ }
+ if _, err := syscall.Seek(int(fd), int64(off), whence); err != nil {
+ return err
+ }
+ for len(buf) > 0 {
+ m, err := syscall.Read(int(fd), buf)
+ if m <= 0 {
+ if err == nil {
+ return errors.New("short read")
+ }
+ return err
+ }
+ buf = buf[m:]
+ }
+ return nil
+}