#include <time.h>
#include <assert.h>
#include <signal.h>
+#include <dlfcn.h>
#include <urcu/uatomic.h>
#include <urcu/futex.h>
#include <urcu/compiler.h>
char wait_shm_path[PATH_MAX];
char *wait_shm_mmap;
+ struct lttng_session *session_enabled;
};
/* Socket from app (connect) to session daemon (listen) for communication */
.notify_socket = -1,
.wait_shm_path = "/" LTTNG_UST_WAIT_FILENAME,
+
+ .session_enabled = NULL,
};
/* TODO: allow global_apps_sock_path override */
.socket = -1,
.notify_socket = -1,
+
+ .session_enabled = NULL,
};
static int wait_poll_fallback;
static const char *str_timeout;
static int got_timeout_env;
+static void *ust_baddr_handle;
extern void lttng_ring_buffer_client_overwrite_init(void);
extern void lttng_ring_buffer_client_overwrite_rt_init(void);
lttng_ust_obj_get_name(handle), handle);
}
+static
+void *lttng_ust_baddr_handle(void)
+{
+ if (!ust_baddr_handle) {
+ ust_baddr_handle = dlopen(
+ "liblttng-ust-baddr.so.0", RTLD_NOW | RTLD_GLOBAL);
+ if (ust_baddr_handle == NULL)
+ ERR("%s", dlerror());
+ }
+ return ust_baddr_handle;
+}
+
+static
+int lttng_ust_baddr_statedump(struct lttng_session *session)
+{
+ static
+ int (*lttng_ust_baddr_init_fn)(struct lttng_session *);
+
+ if (!lttng_ust_baddr_init_fn) {
+ void *baddr_handle = lttng_ust_baddr_handle();
+ if (baddr_handle) {
+ lttng_ust_baddr_init_fn = dlsym(baddr_handle,
+ "lttng_ust_baddr_statedump");
+ if (lttng_ust_baddr_init_fn == NULL)
+ ERR("%s", dlerror());
+ }
+ if (!lttng_ust_baddr_init_fn)
+ return -1;
+ }
+
+ return lttng_ust_baddr_init_fn(session);
+}
+
static
int setup_local_apps(void)
{
ret = handle_message(sock_info, sock, &lum);
if (ret) {
ERR("Error handling message for %s socket", sock_info->name);
+ } else {
+ struct lttng_session *session =
+ sock_info->session_enabled;
+ if (session) {
+ sock_info->session_enabled = NULL;
+ lttng_ust_baddr_statedump(session);
+ }
}
continue;
default:
* cleanup the threads if there are stalled in a syscall.
*/
lttng_ust_cleanup(1);
+
+ if (ust_baddr_handle) {
+ int ret = dlclose(ust_baddr_handle);
+ if (ret)
+ ERR("%s", dlerror());
+ }
}
/*
ust_after_fork_common(restore_sigset);
lttng_ust_init();
}
+
+void lttng_ust_sockinfo_session_enabled(void *owner,
+ struct lttng_session *session_enabled)
+{
+ struct sock_info *sock_info = owner;
+ sock_info->session_enabled = session_enabled;
+}