Add base support for event rule hit

[lttng-tools.git] / include / lttng / userspace-probe-internal.h

diff --git a/include/lttng/userspace-probe-internal.h b/include/lttng/userspace-probe-internal.h
index e602a64e748bccee6fa91aaa230b60f8aee66799..b530e2963b70dfe4a2e9155e8754bbe0fd0b951c 100644 (file)
--- a/include/lttng/userspace-probe-internal.h
+++ b/include/lttng/userspace-probe-internal.h
@@ -21,6 +21,8 @@ struct lttng_dynamic_buffer;
 typedef bool (*userspace_probe_location_equal_cb)(
                const struct lttng_userspace_probe_location *a,
                const struct lttng_userspace_probe_location *b);
+typedef unsigned long (*userspace_probe_location_hash_cb)(
+               const struct lttng_userspace_probe_location *location);
 
 /*
  * No elf-specific comm structure is defined since no elf-specific payload is
@@ -88,6 +90,7 @@ struct lttng_userspace_probe_location {
        enum lttng_userspace_probe_location_type type;
        struct lttng_userspace_probe_location_lookup_method *lookup_method;
        userspace_probe_location_equal_cb equal;
+       userspace_probe_location_hash_cb hash;
 };
 
 struct lttng_userspace_probe_location_function {
@@ -150,4 +153,8 @@ bool lttng_userspace_probe_location_is_equal(
                const struct lttng_userspace_probe_location *a,
                const struct lttng_userspace_probe_location *b);
 
+LTTNG_HIDDEN
+unsigned long lttng_userspace_probe_location_hash(
+               const struct lttng_userspace_probe_location *location);
+
 #endif /* LTTNG_USERSPACE_PROBE_INTERNAL_H */