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1 files changed, 21 insertions, 0 deletions

diff --git a/sys/ki/ksaread.x b/sys/ki/ksaread.x
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+++ b/sys/ki/ksaread.x
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+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"ki.h"
+
+# KS_AREAD -- Read from the kernel server device driver given the node
+# descriptor of a kernel server channel.  If the error bit is set on the
+# node return error w/o doing any i/o, since the channel will have been closed.
+
+procedure ks_aread (server, buf, maxbytes)
+
+int	server			# node descriptor index of server
+char	buf[ARB]		# i/o buffer
+int	maxbytes		# maxbytes to read
+
+int	and()
+include	"kinode.com"
+
+begin
+	if (and (n_status[server], F_IOERR) == 0)
+	    call zardks (n_kschan[server], buf, maxbytes, long(0))
+end