System call filtering

[lttng-modules.git] / lttng-events.h

diff --git a/lttng-events.h b/lttng-events.h
index 64a1ac56777f5a141c012b758a449e34fed16627..e0337993cc8c5d830e4a63c6c7097a08d324b43f 100644 (file)
--- a/lttng-events.h
+++ b/lttng-events.h
@@ -280,6 +280,8 @@ struct lttng_transport {
        struct lttng_channel_ops ops;
 };
 
+struct lttng_syscall_filter;
+
 struct lttng_channel {
        unsigned int id;
        struct channel *chan;           /* Channel buffers */
@@ -297,9 +299,13 @@ struct lttng_channel {
        struct lttng_event *sc_unknown; /* for unknown syscalls */
        struct lttng_event *sc_compat_unknown;
        struct lttng_event *sc_exit;    /* for syscall exit */
+       struct lttng_syscall_filter *sc_filter;
        int header_type;                /* 0: unset, 1: compact, 2: large */
        enum channel_type channel_type;
-       unsigned int metadata_dumped:1;
+       unsigned int metadata_dumped:1,
+               sys_enter_registered:1,
+               sys_exit_registered:1,
+               syscall_all:1;
 };
 
 struct lttng_metadata_stream {
@@ -392,6 +398,10 @@ int lttng_metadata_output_channel(struct lttng_metadata_stream *stream,
 #if defined(CONFIG_HAVE_SYSCALL_TRACEPOINTS)
 int lttng_syscalls_register(struct lttng_channel *chan, void *filter);
 int lttng_syscalls_unregister(struct lttng_channel *chan);
+int lttng_syscall_filter_enable(struct lttng_channel *chan,
+               const char *name);
+int lttng_syscall_filter_disable(struct lttng_channel *chan,
+               const char *name);
 #else
 static inline int lttng_syscalls_register(struct lttng_channel *chan, void *filter)
 {
@@ -402,6 +412,18 @@ static inline int lttng_syscalls_unregister(struct lttng_channel *chan)
 {
        return 0;
 }
+
+int lttng_syscall_filter_enable(struct lttng_channel *chan,
+               const char *name)
+{
+       return -ENOSYS;
+}
+
+int lttng_syscall_filter_disable(struct lttng_channel *chan,
+               const char *name)
+{
+       return -ENOSYS;
+}
 #endif
 
 struct lttng_ctx_field *lttng_append_context(struct lttng_ctx **ctx);