* - Takes instrumentation source specific arguments.
*/
+#define _LGPL_SOURCE
#include <lttng/ust-abi.h>
#include <lttng/ust-error.h>
#include <urcu/compiler.h>
#include <lttng/ust-events.h>
#include <lttng/ust-version.h>
#include <lttng/tracepoint.h>
+#include <ust-fd.h>
#include "tracepoint-internal.h"
#include <usterr-signal-safe.h>
#include <helper.h>
#include "lttng-tracer.h"
+#include "string-utils.h"
#include "../libringbuffer/shm.h"
#include "../libringbuffer/frontend_types.h"
void objd_ref(int id)
{
struct lttng_ust_obj *obj = _objd_get(id);
+ assert(obj != NULL);
obj->u.s.f_count++;
}
}
if ((--obj->u.s.f_count) == 1) {
const struct lttng_ust_objd_ops *ops = objd_ops(id);
-
+
if (ops->release)
ops->release(id);
objd_free(id);
static
long lttng_abi_add_context(int objd,
struct lttng_ust_context *context_param,
+ union ust_args *uargs,
struct lttng_ctx **ctx, struct lttng_session *session)
{
- return lttng_attach_context(context_param, ctx, session);
+ return lttng_attach_context(context_param, uargs, ctx, session);
}
/**
switch (type) {
case LTTNG_UST_CHAN_PER_CPU:
if (config->output == RING_BUFFER_MMAP) {
- transport_name = config->mode == RING_BUFFER_OVERWRITE ?
- "relay-overwrite-mmap" : "relay-discard-mmap";
+ if (config->mode == RING_BUFFER_OVERWRITE) {
+ if (config->wakeup == RING_BUFFER_WAKEUP_BY_WRITER) {
+ transport_name = "relay-overwrite-mmap";
+ } else {
+ transport_name = "relay-overwrite-rt-mmap";
+ }
+ } else {
+ if (config->wakeup == RING_BUFFER_WAKEUP_BY_WRITER) {
+ transport_name = "relay-discard-mmap";
+ } else {
+ transport_name = "relay-discard-rt-mmap";
+ }
+ }
} else {
ret = -EINVAL;
goto notransport;
chan_name = "channel";
break;
default:
- transport_name = "<unknown>";
- chan_name = "<unknown>";
ret = -EINVAL;
goto notransport;
}
/* error path after channel was created */
objd_error:
notransport:
- free(lttng_chan);
alloc_error:
channel_destroy(chan, channel_handle, 0);
return ret;
{
int close_ret;
+ lttng_ust_lock_fd_tracker();
close_ret = close(wakeup_fd);
+ lttng_ust_unlock_fd_tracker();
if (close_ret) {
PERROR("close");
}
case LTTNG_UST_SESSION_STOP:
case LTTNG_UST_DISABLE:
return lttng_session_disable(session);
+ case LTTNG_UST_SESSION_STATEDUMP:
+ return lttng_session_statedump(session);
default:
return -EINVAL;
}
{
struct lttng_ust_event *event_param =
(struct lttng_ust_event *) arg;
- if (event_param->name[strlen(event_param->name) - 1] == '*') {
- /* If ends with wildcard, create wildcard. */
+
+ if (strutils_is_star_glob_pattern(event_param->name)) {
+ /*
+ * If the event name is a star globbing pattern,
+ * we create the special star globbing enabler.
+ */
return lttng_abi_create_enabler(objd, event_param,
- owner, LTTNG_ENABLER_WILDCARD);
+ owner, LTTNG_ENABLER_STAR_GLOB);
} else {
return lttng_abi_create_enabler(objd, event_param,
owner, LTTNG_ENABLER_EVENT);
}
case LTTNG_UST_CONTEXT:
return lttng_abi_add_context(objd,
- (struct lttng_ust_context *) arg,
+ (struct lttng_ust_context *) arg, uargs,
&channel->ctx, channel->session);
case LTTNG_UST_ENABLE:
return lttng_channel_enable(channel);
* Disable recording for this enabler
* LTTNG_UST_FILTER
* Attach a filter to an enabler.
+ * LTTNG_UST_EXCLUSION
+ * Attach exclusions to an enabler.
*/
static
long lttng_enabler_cmd(int objd, unsigned int cmd, unsigned long arg,
return ret;
return 0;
}
+ case LTTNG_UST_EXCLUSION:
+ {
+ return lttng_enabler_attach_exclusion(enabler,
+ (struct lttng_ust_excluder_node *) arg);
+ }
default:
return -EINVAL;
}
void lttng_ust_abi_exit(void)
{
lttng_ust_abi_close_in_progress = 1;
+ ust_lock_nocheck();
objd_table_destroy();
+ ust_unlock();
lttng_ust_abi_close_in_progress = 0;
}