Fix: cmd_rotate_session() returns unexpected error codes

[lttng-tools.git] / src / bin / lttng-sessiond / kernel.h

diff --git a/src/bin/lttng-sessiond/kernel.h b/src/bin/lttng-sessiond/kernel.h
index 4813c931dadda4a86f2781cd1014d22a859e8851..e9024a83e975290b53b9f624d8e8cc8060984f0d 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.h
+++ b/src/bin/lttng-sessiond/kernel.h
@@ -19,6 +19,7 @@
 #define _LTT_KERNEL_CTL_H
 
 #include "session.h"
+#include "snapshot.h"
 #include "trace-kernel.h"
 
 /*
@@ -29,17 +30,21 @@
  * dynamic reallocation is performed.
  */
 #define KERNEL_EVENT_INIT_LIST_SIZE 64
+#define KERNEL_TRACKER_PIDS_INIT_LIST_SIZE 64
 
 int kernel_add_channel_context(struct ltt_kernel_channel *chan,
-               struct lttng_kernel_context *ctx);
+               struct ltt_kernel_context *ctx);
 int kernel_create_session(struct ltt_session *session, int tracer_fd);
 int kernel_create_channel(struct ltt_kernel_session *session,
-               struct lttng_channel *chan, char *path);
-int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel);
+               struct lttng_channel *chan);
+int kernel_create_event(struct lttng_event *ev, struct ltt_kernel_channel *channel,
+               char *filter_expression, struct lttng_filter_bytecode *filter);
 int kernel_disable_channel(struct ltt_kernel_channel *chan);
 int kernel_disable_event(struct ltt_kernel_event *event);
 int kernel_enable_event(struct ltt_kernel_event *event);
 int kernel_enable_channel(struct ltt_kernel_channel *chan);
+int kernel_track_pid(struct ltt_kernel_session *session, int pid);
+int kernel_untrack_pid(struct ltt_kernel_session *session, int pid);
 int kernel_open_metadata(struct ltt_kernel_session *session);
 int kernel_open_metadata_stream(struct ltt_kernel_session *session);
 int kernel_open_channel_stream(struct ltt_kernel_channel *channel);
@@ -49,11 +54,20 @@ int kernel_start_session(struct ltt_kernel_session *session);
 int kernel_stop_session(struct ltt_kernel_session *session);
 ssize_t kernel_list_events(int tracer_fd, struct lttng_event **event_list);
 void kernel_wait_quiescent(int fd);
-int kernel_calibrate(int fd, struct lttng_kernel_calibrate *calibrate);
-int kernel_validate_version(int tracer_fd);
+int kernel_validate_version(int tracer_fd,
+               struct lttng_kernel_tracer_version *kernel_tracer_version,
+               struct lttng_kernel_tracer_abi_version *kernel_tracer_abi_version);
 void kernel_destroy_session(struct ltt_kernel_session *ksess);
 void kernel_destroy_channel(struct ltt_kernel_channel *kchan);
+int kernel_snapshot_record(struct ltt_kernel_session *ksess,
+               struct snapshot_output *output, int wait,
+               uint64_t nb_packets_per_stream);
+int kernel_syscall_mask(int chan_fd, char **syscall_mask, uint32_t *nr_bits);
+enum lttng_error_code kernel_rotate_session(struct ltt_session *session);
 
 int init_kernel_workarounds(void);
+ssize_t kernel_list_tracker_pids(struct ltt_kernel_session *session,
+               int **_pids);
+int kernel_supports_ring_buffer_snapshot_sample_positions(int tracer_fd);
 
 #endif /* _LTT_KERNEL_CTL_H */