1 files changed, 17 insertions, 0 deletions
diff --git a/src/pkg/syscall/syscall_unix.go b/src/pkg/syscall/syscall_unix.go
index d4e02f68a7..978350829b 100644
--- a/src/pkg/syscall/syscall_unix.go
+++ b/src/pkg/syscall/syscall_unix.go
@@ -127,3 +127,20 @@ func (s Signal) String() string {
 	}
 	return "signal " + itoa(int(s))
 }
+
+func Read(fd int, p []byte) (n int, err error) {
+	n, err = read(fd, p)
+	if raceenabled && err == nil {
+		raceAcquire(unsafe.Pointer(&ioSync))
+	}
+	return
+}
+
+func Write(fd int, p []byte) (n int, err error) {
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	return write(fd, p)
+}
+
+var ioSync int64