1 files changed, 24 insertions, 0 deletions
diff --git a/sys/ki/ksawait.x b/sys/ki/ksawait.x
new file mode 100644
index 00000000..069826d5
--- /dev/null
+++ b/sys/ki/ksawait.x
@@ -0,0 +1,24 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"ki.h"
+
+# KS_AWAIT -- Wait for i/o to the kernel server device driver given the node
+# descriptor of a kernel server channel.  If the error bit is set on the
+# node return immediately, since the channel will have been closed.
+
+procedure ks_await (server, status)
+
+int	server			# node descriptor index of server
+int	status			# receives i/o status
+
+int	and()
+include	"kinode.com"
+
+begin
+	if (and (n_status[server], F_IOERR) == 0) {
+	    call zawtks (n_kschan[server], status)
+	    if (status == ERR)
+		call ki_error (server)
+	} else
+	    status = ERR
+end