#ifndef _LTT_SESSIOND_H
#define _LTT_SESSIOND_H
+#define _LGPL_SOURCE
+#include <urcu/wfqueue.h>
+
+#include "traceable-app.h"
+
#define DEFAULT_HOME_DIR "/tmp"
#define DEFAULT_UST_SOCK_DIR DEFAULT_HOME_DIR "/ust-app-socks"
#define DEFAULT_GLOBAL_APPS_PIPE DEFAULT_UST_SOCK_DIR "/global"
#define DEFAULT_TRACE_OUTPUT DEFAULT_HOME_DIR "/lttng"
+#define DEFAULT_GLOBAL_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait"
+#define DEFAULT_HOME_APPS_WAIT_SHM_PATH "/lttng-ust-apps-wait-%u"
+
struct module_param {
const char *name;
int required;
{ "lttng-probe-irq", 0 },
{ "lttng-probe-kvm", 0 },
{ "lttng-probe-sched", 0 },
- { "lttng-probe-syscalls", 0 },
};
extern const char default_home_dir[],
struct lttcomm_session_msg *lsm;
};
+struct ust_command {
+ int sock;
+ struct ust_register_msg reg_msg;
+ struct cds_wfq_node node;
+};
+
+/*
+ * Queue used to enqueue UST registration request (ust_commant) and protected
+ * by a futex with a scheme N wakers / 1 waiters. See futex.c/.h
+ */
+struct ust_cmd_queue {
+ int32_t futex;
+ struct cds_wfq_queue queue;
+};
+
#endif /* _LTT_SESSIOND_H */