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Diffstat (limited to 'pkg/flipcall/flipcall.go')
-rw-r--r--pkg/flipcall/flipcall.go12
1 files changed, 7 insertions, 5 deletions
diff --git a/pkg/flipcall/flipcall.go b/pkg/flipcall/flipcall.go
index 386cee42c..ec742c091 100644
--- a/pkg/flipcall/flipcall.go
+++ b/pkg/flipcall/flipcall.go
@@ -95,7 +95,7 @@ func (ep *Endpoint) Init(side EndpointSide, pwd PacketWindowDescriptor, opts ...
if pwd.Length > math.MaxUint32 {
return fmt.Errorf("packet window size (%d) exceeds maximum (%d)", pwd.Length, math.MaxUint32)
}
- m, _, e := syscall.RawSyscall6(syscall.SYS_MMAP, 0, uintptr(pwd.Length), syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_SHARED, uintptr(pwd.FD), uintptr(pwd.Offset))
+ m, e := packetWindowMmap(pwd)
if e != 0 {
return fmt.Errorf("failed to mmap packet window: %v", e)
}
@@ -136,8 +136,8 @@ func (ep *Endpoint) unmapPacket() {
// Shutdown causes concurrent and future calls to ep.Connect(), ep.SendRecv(),
// ep.RecvFirst(), and ep.SendLast(), as well as the same calls in the peer
-// Endpoint, to unblock and return errors. It does not wait for concurrent
-// calls to return. Successive calls to Shutdown have no effect.
+// Endpoint, to unblock and return ShutdownErrors. It does not wait for
+// concurrent calls to return. Successive calls to Shutdown have no effect.
//
// Shutdown is the only Endpoint method that may be called concurrently with
// other methods on the same Endpoint.
@@ -154,10 +154,12 @@ func (ep *Endpoint) isShutdownLocally() bool {
return atomic.LoadUint32(&ep.shutdown) != 0
}
-type shutdownError struct{}
+// ShutdownError is returned by most Endpoint methods after Endpoint.Shutdown()
+// has been called.
+type ShutdownError struct{}
// Error implements error.Error.
-func (shutdownError) Error() string {
+func (ShutdownError) Error() string {
return "flipcall connection shutdown"
}