summaryrefslogtreecommitdiff
path: root/src/time/sys_plan9.go
diff options
context:
space:
mode:
authorRuss Cox <rsc@golang.org>2014-09-08 00:08:51 -0400
committerRuss Cox <rsc@golang.org>2014-09-08 00:08:51 -0400
commit8528da672cc093d4dd06732819abc1f7b6b5a46e (patch)
tree334be80d4a4c85b77db6f6fdb67cbf0528cba5f5 /src/time/sys_plan9.go
parent73bcb69f272cbf34ddcc9daa56427a8683b5a95d (diff)
downloadgo-8528da672cc093d4dd06732819abc1f7b6b5a46e.tar.gz
build: move package sources from src/pkg to src
Preparation was in CL 134570043. This CL contains only the effect of 'hg mv src/pkg/* src'. For more about the move, see golang.org/s/go14nopkg.
Diffstat (limited to 'src/time/sys_plan9.go')
-rw-r--r--src/time/sys_plan9.go76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/time/sys_plan9.go b/src/time/sys_plan9.go
new file mode 100644
index 000000000..848472944
--- /dev/null
+++ b/src/time/sys_plan9.go
@@ -0,0 +1,76 @@
+// 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.
+
+// +build plan9
+
+package time
+
+import (
+ "errors"
+ "syscall"
+)
+
+// for testing: whatever interrupts a sleep
+func interrupt() {
+ // cannot predict pid, don't want to kill group
+}
+
+// readFile reads and returns the content of the named file.
+// It is a trivial implementation of ioutil.ReadFile, reimplemented
+// here to avoid depending on io/ioutil or os.
+func readFile(name string) ([]byte, error) {
+ f, err := syscall.Open(name, syscall.O_RDONLY)
+ if err != nil {
+ return nil, err
+ }
+ defer syscall.Close(f)
+ var (
+ buf [4096]byte
+ ret []byte
+ n int
+ )
+ for {
+ n, err = syscall.Read(f, buf[:])
+ if n > 0 {
+ ret = append(ret, buf[:n]...)
+ }
+ if n == 0 || err != nil {
+ break
+ }
+ }
+ return ret, err
+}
+
+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 closefd(fd uintptr) {
+ syscall.Close(int(fd))
+}
+
+func preadn(fd uintptr, buf []byte, off int) error {
+ whence := 0
+ if off < 0 {
+ whence = 2
+ }
+ 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
+}