Import sources from 2011-03-30 iso image

1 files changed, 31 insertions, 0 deletions

diff --git a/sys/src/libventi/hangup.c b/sys/src/libventi/hangup.c
new file mode 100755
index 000000000..365baf1da
--- /dev/null
+++ b/sys/src/libventi/hangup.c
@@ -0,0 +1,31 @@
+#include <u.h>
+#ifdef PLAN9PORT
+#include <sys/socket.h>
+#endif
+#include <libc.h>
+#include <venti.h>
+#include "queue.h"
+
+void
+vthangup(VtConn *z)
+{
+	qlock(&z->lk);
+	z->state = VtStateClosed;
+#ifdef PLAN9PORT
+	/* try to make the read in vtrecvproc fail */
+	shutdown(SHUT_WR, z->infd);
+	shutdown(SHUT_WR, z->outfd);
+#endif
+	if(z->infd >= 0)
+		close(z->infd);
+	if(z->outfd >= 0 && z->outfd != z->infd)
+		close(z->outfd);
+	z->infd = -1;
+	z->outfd = -1;
+	if(z->writeq)
+		_vtqhangup(z->writeq);
+	if(z->readq)
+		_vtqhangup(z->readq);
+	qunlock(&z->lk);
+}
+