Move all sources to 'src/'

[lttng-ust.git] / src / liblttng-ust / lttng-tracer-core.h

diff --git a/src/liblttng-ust/lttng-tracer-core.h b/src/liblttng-ust/lttng-tracer-core.h
new file mode 100644 (file)
index 0000000..7714dbf
--- /dev/null
+++ b/src/liblttng-ust/lttng-tracer-core.h
@@ -0,0 +1,139 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ * Copyright (C) 2005-2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This contains the core definitions for the Linux Trace Toolkit.
+ */
+
+#ifndef _LTTNG_TRACER_CORE_H
+#define _LTTNG_TRACER_CORE_H
+
+#include <stddef.h>
+#include <urcu/arch.h>
+#include <urcu/list.h>
+#include <lttng/ust-tracer.h>
+#include <lttng/ringbuffer-context.h>
+#include <usterr-signal-safe.h>
+
+/*
+ * The longuest possible namespace proc path is with the cgroup ns
+ * and the maximum theoretical linux pid of 536870912 :
+ *
+ *  /proc/self/task/536870912/ns/cgroup
+ */
+#define LTTNG_PROC_NS_PATH_MAX 40
+
+struct lttng_ust_session;
+struct lttng_ust_channel_buffer;
+struct lttng_ust_ctx_field;
+struct lttng_ust_lib_ring_buffer_ctx;
+struct lttng_ust_ctx_value;
+struct lttng_ust_event_recorder;
+struct lttng_ust_event_notifier;
+struct lttng_ust_notification_ctx;
+
+int ust_lock(void) __attribute__ ((warn_unused_result))
+       __attribute__((visibility("hidden")));
+
+void ust_lock_nocheck(void)
+       __attribute__((visibility("hidden")));
+
+void ust_unlock(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_ust_fixup_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_event_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_vtid_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_procname_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_cgroup_ns_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_ipc_ns_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_net_ns_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_time_ns_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_fixup_uts_ns_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_ust_fixup_fd_tracker_tls(void)
+       __attribute__((visibility("hidden")));
+
+const char *lttng_ust_obj_get_name(int id)
+       __attribute__((visibility("hidden")));
+
+int lttng_get_notify_socket(void *owner)
+       __attribute__((visibility("hidden")));
+
+char* lttng_ust_sockinfo_get_procname(void *owner)
+       __attribute__((visibility("hidden")));
+
+void lttng_ust_sockinfo_session_enabled(void *owner)
+       __attribute__((visibility("hidden")));
+
+ssize_t lttng_ust_read(int fd, void *buf, size_t len)
+       __attribute__((visibility("hidden")));
+
+size_t lttng_ust_dummy_get_size(void *priv, size_t offset)
+       __attribute__((visibility("hidden")));
+
+void lttng_ust_dummy_record(void *priv, struct lttng_ust_lib_ring_buffer_ctx *ctx,
+                struct lttng_ust_channel_buffer *chan)
+       __attribute__((visibility("hidden")));
+
+void lttng_ust_dummy_get_value(void *priv, struct lttng_ust_ctx_value *value)
+       __attribute__((visibility("hidden")));
+
+void lttng_event_notifier_notification_send(
+               struct lttng_ust_event_notifier *event_notifier,
+               const char *stack_data,
+               struct lttng_ust_notification_ctx *notif_ctx)
+       __attribute__((visibility("hidden")));
+
+struct lttng_counter_transport *lttng_counter_transport_find(const char *name)
+       __attribute__((visibility("hidden")));
+
+void lttng_counter_transport_register(struct lttng_counter_transport *transport)
+       __attribute__((visibility("hidden")));
+
+void lttng_counter_transport_unregister(struct lttng_counter_transport *transport)
+       __attribute__((visibility("hidden")));
+
+#ifdef HAVE_LINUX_PERF_EVENT_H
+void lttng_ust_fixup_perf_counter_tls(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_perf_lock(void)
+       __attribute__((visibility("hidden")));
+
+void lttng_perf_unlock(void)
+       __attribute__((visibility("hidden")));
+#else /* #ifdef HAVE_LINUX_PERF_EVENT_H */
+static inline
+void lttng_ust_fixup_perf_counter_tls(void)
+{
+}
+static inline
+void lttng_perf_lock(void)
+{
+}
+static inline
+void lttng_perf_unlock(void)
+{
+}
+#endif /* #else #ifdef HAVE_LINUX_PERF_EVENT_H */
+
+#endif /* _LTTNG_TRACER_CORE_H */