kernel: event notifier: kernel-ctl interface

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

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index 10e281d69315a638a24b96102b601415eeb18801..f7b92f045498c870de9181c1e754228353ea033d 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -14,7 +14,7 @@
 #include <string.h>
 #include <common/align.h>
 #include <common/macros.h>
-#include <errno.h>
+#include <common/compat/errno.h>
 #include <stdarg.h>
 #include <assert.h>
 #include <common/time.h>
@@ -418,6 +418,25 @@ int kernctl_stop_session(int fd)
                        LTTNG_KERNEL_SESSION_STOP);
 }
 
+int kernctl_create_event_notifier_group(int fd)
+{
+       return LTTNG_IOCTL_NO_CHECK(fd,
+                       LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_CREATE);
+}
+
+int kernctl_create_event_notifier_group_notification_fd(int group_fd)
+{
+       return LTTNG_IOCTL_NO_CHECK(group_fd,
+                       LTTNG_KERNEL_EVENT_NOTIFIER_GROUP_NOTIFICATION_FD);
+}
+
+int kernctl_create_event_notifier(int group_fd,
+               const struct lttng_kernel_event_notifier *event_notifier)
+{
+       return LTTNG_IOCTL_NO_CHECK(group_fd,
+                       LTTNG_KERNEL_EVENT_NOTIFIER_CREATE, event_notifier);
+}
+
 int kernctl_filter(int fd, struct lttng_filter_bytecode *filter)
 {
        struct lttng_kernel_filter_bytecode *kb;