/*
- * lttng-context.c
- *
- * LTTng UST trace/channel/event context management.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * LTTng UST trace/channel/event context management.
*/
#define _LGPL_SOURCE
#include <lttng/ust-events.h>
#include <lttng/ust-tracer.h>
#include <lttng/ust-context-provider.h>
-#include <urcu-pointer.h>
+#include <lttng/urcu/pointer.h>
#include <usterr-signal-safe.h>
#include <helper.h>
+#include <stddef.h>
#include <string.h>
#include <assert.h>
+#include "tracepoint-internal.h"
+
+#include "context-internal.h"
/*
* The filter implementation requires that two consecutive "get" for the
}
*nf = *f;
lttng_context_update(new_ctx);
- rcu_assign_pointer(*ctx_p, new_ctx);
- synchronize_trace();
+ lttng_ust_rcu_assign_pointer(*ctx_p, new_ctx);
+ lttng_ust_synchronize_trace();
if (old_ctx) {
free(old_ctx->fields);
free(old_ctx);
type = &ctx->fields[i].event_field.type;
switch (type->atype) {
case atype_integer:
- field_align = type->u.basic.integer.alignment;
+ field_align = type->u.integer.alignment;
break;
case atype_array:
{
struct lttng_basic_type *btype;
- btype = &type->u.array.elem_type;
+ btype = &type->u.legacy.array.elem_type;
switch (btype->atype) {
case atype_integer:
field_align = btype->u.basic.integer.alignment;
break;
case atype_array:
+ case atype_array_nestable:
+ case atype_sequence:
+ case atype_sequence_nestable:
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+ break;
+ }
+ case atype_array_nestable:
+ {
+ const struct lttng_type *nested_type;
+
+ nested_type = type->u.array_nestable.elem_type;
+ switch (nested_type->atype) {
+ case atype_integer:
+ field_align = nested_type->u.integer.alignment;
+ break;
+ case atype_string:
+ break;
+
+ case atype_array:
+ case atype_array_nestable:
case atype_sequence:
+ case atype_sequence_nestable:
default:
WARN_ON_ONCE(1);
break;
}
+ field_align = max_t(size_t, field_align,
+ type->u.array_nestable.alignment);
break;
}
case atype_sequence:
{
struct lttng_basic_type *btype;
- btype = &type->u.sequence.length_type;
+ btype = &type->u.legacy.sequence.length_type;
switch (btype->atype) {
case atype_integer:
field_align = btype->u.basic.integer.alignment;
case atype_string:
case atype_array:
+ case atype_array_nestable:
case atype_sequence:
+ case atype_sequence_nestable:
default:
WARN_ON_ONCE(1);
break;
}
- btype = &type->u.sequence.elem_type;
+ btype = &type->u.legacy.sequence.elem_type;
switch (btype->atype) {
case atype_integer:
field_align = max_t(size_t,
break;
case atype_array:
+ case atype_array_nestable:
case atype_sequence:
+ case atype_sequence_nestable:
default:
WARN_ON_ONCE(1);
break;
}
break;
}
+ case atype_sequence_nestable:
+ {
+ const struct lttng_type *nested_type;
+
+ nested_type = type->u.sequence_nestable.elem_type;
+ switch (nested_type->atype) {
+ case atype_integer:
+ field_align = nested_type->u.integer.alignment;
+ break;
+
+ case atype_string:
+ break;
+
+ case atype_array:
+ case atype_array_nestable:
+ case atype_sequence:
+ case atype_sequence_nestable:
+ default:
+ WARN_ON_ONCE(1);
+ break;
+ }
+ field_align = max_t(size_t, field_align,
+ type->u.sequence_nestable.alignment);
+ break;
+ }
case atype_string:
break;
case atype_dynamic:
break;
case atype_enum:
+ case atype_enum_nestable:
default:
WARN_ON_ONCE(1);
break;
new_fields[i].get_value = get_value;
}
new_ctx->fields = new_fields;
- rcu_assign_pointer(*_ctx, new_ctx);
- synchronize_trace();
+ lttng_ust_rcu_assign_pointer(*_ctx, new_ctx);
+ lttng_ust_synchronize_trace();
free(ctx->fields);
free(ctx);
return 0;
return ret;
}
-int lttng_session_context_init(struct lttng_ctx **ctx)
+int lttng_context_init_all(struct lttng_ctx **ctx)
{
int ret;
WARN("Cannot add context lttng_add_cpu_id_to_ctx");
goto error;
}
+ ret = lttng_add_cgroup_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_cgroup_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_ipc_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_ipc_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_mnt_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_mnt_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_net_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_net_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_pid_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_pid_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_time_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_time_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_user_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_user_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_uts_ns_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_uts_ns_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_vuid_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_vuid_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_veuid_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_veuid_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_vsuid_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_vsuid_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_vgid_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_vgid_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_vegid_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_vegid_to_ctx");
+ goto error;
+ }
+ ret = lttng_add_vsgid_to_ctx(ctx);
+ if (ret) {
+ WARN("Cannot add context lttng_add_vsgid_to_ctx");
+ goto error;
+ }
lttng_context_update(*ctx);
return 0;
lttng_destroy_context(*ctx);
return ret;
}
-
-/* For backward compatibility. Leave those exported symbols in place. */
-struct lttng_ctx *lttng_static_ctx;
-
-void lttng_context_init(void)
-{
-}
-
-void lttng_context_exit(void)
-{
-}
projects / lttng-ust.git / blobdiff