src/bin/lttng-sessiond/ust-registry-session-pid.hpp

   1 /*
   2  * Copyright (C) 2022 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: GPL-2.0-only
   5  *
   6  */
   7
   8 #ifndef LTTNG_UST_REGISTRY_SESSION_PID_H
   9 #define LTTNG_UST_REGISTRY_SESSION_PID_H
  10
  11 #include "trace-class.hpp"
  12 #include "ust-registry-session.hpp"
  13
  14 #include <lttng/lttng.h>
  15
  16 #include <cstdint>
  17 #include <ctime>
  18 #include <string>
  19 #include <unistd.h>
  20
  21 namespace lttng {
  22 namespace sessiond {
  23 namespace ust {
  24
  25 class registry_session_per_pid : public registry_session {
  26 public:
  27         registry_session_per_pid(const struct ust_app& app,
  28                                  const struct lttng::sessiond::trace::abi& trace_abi,
  29                                  uint32_t major,
  30                                  uint32_t minor,
  31                                  const char *root_shm_path,
  32                                  const char *shm_path,
  33                                  uid_t euid,
  34                                  gid_t egid,
  35                                  uint64_t tracing_id);
  36
  37         lttng_buffer_type buffering_scheme() const noexcept final;
  38         void accept(lttng::sessiond::trace::trace_class_environment_visitor& environment_visitor)
  39                 const final;
  40
  41 private:
  42         const unsigned int _tracer_patch_level_version;
  43         const pid_t _vpid;
  44         const std::string _procname;
  45         const std::time_t _app_creation_time;
  46 };
  47
  48 } /* namespace ust */
  49 } /* namespace sessiond */
  50 } /* namespace lttng */
  51
  52 #endif /* LTTNG_UST_REGISTRY_SESSION_PID_H */