kernel: event notifier: kernel-ctl interface

[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.h

diff --git a/src/common/kernel-ctl/kernel-ctl.h b/src/common/kernel-ctl/kernel-ctl.h
index 60fcabd6ef038ca6c0b91de0cdeda5de3b5abff6..b73a1d68effbd0eb507be842ead973dec2052616 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.h
+++ b/src/common/kernel-ctl/kernel-ctl.h
@@ -9,6 +9,8 @@
 #ifndef _LTTNG_KERNEL_CTL_H
 #define _LTTNG_KERNEL_CTL_H
 
+#include <stdbool.h>
+
 #include <lttng/lttng.h>
 #include <common/lttng-kernel.h>
 #include <common/lttng-kernel-old.h>
@@ -26,7 +28,14 @@ int kernctl_disable(int fd);
 int kernctl_start_session(int fd);
 int kernctl_stop_session(int fd);
 
-/* Apply on event FD */
+int kernctl_create_event_notifier_group(int fd);
+
+/* Apply on event notifier_group file descriptor. */
+int kernctl_create_event_notifier_group_notification_fd(int fd);
+int kernctl_create_event_notifier(int fd,
+               const struct lttng_kernel_event_notifier *event_notifier);
+
+/* Apply on event file descriptor. */
 int kernctl_filter(int fd, struct lttng_filter_bytecode *filter);
 int kernctl_add_callsite(int fd, struct lttng_kernel_event_callsite *callsite);
 
@@ -37,7 +46,8 @@ int kernctl_tracer_abi_version(int fd, struct lttng_kernel_tracer_abi_version *v
 int kernctl_wait_quiescent(int fd);
 
 /*
- * kernctl_syscall_mask - Get syscall mask associated to a channel FD.
+ * kernctl_syscall_mask - Get syscall mask associated to a channel file
+ * descriptor.
  *
  * The parameter @syscall_mask should initially be either NULL or point
  * to memory allocated with malloc(3) or realloc(3). When the function
@@ -50,7 +60,7 @@ int kernctl_wait_quiescent(int fd);
 int kernctl_syscall_mask(int fd, char **syscall_mask,
                uint32_t *nr_bits);
 
-/* Process ID tracking can be applied to session FD */
+/* Process ID tracking can be applied to session file descriptor. */
 int kernctl_track_pid(int fd, int pid);
 int kernctl_untrack_pid(int fd, int pid);
 int kernctl_list_tracker_pids(int fd);
@@ -94,6 +104,7 @@ int kernctl_buffer_flush_empty(int fd);
 int kernctl_buffer_clear(int fd);
 int kernctl_get_metadata_version(int fd, uint64_t *version);
 int kernctl_metadata_cache_dump(int fd);
+int kernctl_get_next_subbuf_metadata_check(int fd, bool *consistent);
 
 /* index */
 int kernctl_get_timestamp_begin(int fd, uint64_t *timestamp_begin);