summaryrefslogtreecommitdiff
path: root/src/time/sys_windows.go
diff options
context:
space:
mode:
Diffstat (limited to 'src/time/sys_windows.go')
-rw-r--r--src/time/sys_windows.go73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/time/sys_windows.go b/src/time/sys_windows.go
new file mode 100644
index 000000000..de63b4bf4
--- /dev/null
+++ b/src/time/sys_windows.go
@@ -0,0 +1,73 @@
+// 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.
+
+package time
+
+import (
+ "errors"
+ "syscall"
+)
+
+// for testing: whatever interrupts a sleep
+func interrupt() {
+}
+
+// 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, 0)
+ 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, 0)
+ if err != nil {
+ return 0, err
+ }
+ return uintptr(fd), nil
+}
+
+func closefd(fd uintptr) {
+ syscall.Close(syscall.Handle(fd))
+}
+
+func preadn(fd uintptr, buf []byte, off int) error {
+ whence := 0
+ if off < 0 {
+ whence = 2
+ }
+ if _, err := syscall.Seek(syscall.Handle(fd), int64(off), whence); err != nil {
+ return err
+ }
+ for len(buf) > 0 {
+ m, err := syscall.Read(syscall.Handle(fd), buf)
+ if m <= 0 {
+ if err == nil {
+ return errors.New("short read")
+ }
+ return err
+ }
+ buf = buf[m:]
+ }
+ return nil
+}