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authorUgen J.S. Antsilevich <ugen@FreeBSD.org>1995-02-15 18:41:21 +0000
committerUgen J.S. Antsilevich <ugen@FreeBSD.org>1995-02-15 18:41:21 +0000
commit73bac2c219302f22d4ff4588c3a6d4e19c2faec5 (patch)
treead1ff4bd3ea4353dc169f56b854243ce49d573f5 /sys/sys/snoop.h
parent8c91744a04205f48b8495d8443929a2b3c4346e9 (diff)
downloadsrc-73bac2c219302f22d4ff4588c3a6d4e19c2faec5.tar.gz
src-73bac2c219302f22d4ff4588c3a6d4e19c2faec5.zip
More changes to support user calls.
Notes
Notes: svn path=/head/; revision=6453
Diffstat (limited to 'sys/sys/snoop.h')
-rw-r--r--sys/sys/snoop.h16
1 files changed, 15 insertions, 1 deletions
diff --git a/sys/sys/snoop.h b/sys/sys/snoop.h
index 4e07b63678d1..3790b0006a67 100644
--- a/sys/sys/snoop.h
+++ b/sys/sys/snoop.h
@@ -64,10 +64,24 @@ struct snptty {
#define ST_MAXTYPE 2
};
+/*
+ * Theese are snoop io controls
+ * SNPSTTY accepts 'struct snptty' as input.
+ * If ever type or unit set to -1,snoop device
+ * detached from it's current tty.
+ */
+
#define SNPSTTY _IOW('T', 90, struct snptty)
#define SNPGTTY _IOR('T', 89, struct snptty)
-
+/*
+ * Theese values would be returned by FIONREAD ioctl
+ * instead of number of characters in buffer in case
+ * of specific errors.
+ */
+#define SNP_OFLOW -1
+#define SNP_TTYCLOSE -2
+#define SNP_DETACH -3
#endif