src/side.c

   1 // SPDX-License-Identifier: MIT
   2 /*
   3  * Copyright 2022 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  */
   5
   6 #include <side/trace.h>
   7 #include "tracer.h"
   8 #include "rcu.h"
   9
  10 #define SIDE_EVENT_ENABLED_KERNEL_USER_EVENT_MASK       0x80000000
  11
  12 void side_call(const struct side_event_description *desc, const struct side_arg_vec_description *sav_desc)
  13 {
  14         if (side_unlikely(desc->flags & SIDE_EVENT_FLAG_VARIADIC)) {
  15                 printf("ERROR: unexpected variadic event description\n");
  16                 abort();
  17         }
  18         if (side_unlikely(*desc->enabled & SIDE_EVENT_ENABLED_KERNEL_USER_EVENT_MASK)) {
  19                 // TODO: call kernel write.
  20         }
  21         //TODO: replace tracer_call by rcu iteration on list of registered callbacks
  22         tracer_call(desc, sav_desc, NULL);
  23 }
  24
  25 void side_call_variadic(const struct side_event_description *desc,
  26         const struct side_arg_vec_description *sav_desc,
  27         const struct side_arg_dynamic_event_struct *var_struct)
  28 {
  29         if (side_unlikely(*desc->enabled & SIDE_EVENT_ENABLED_KERNEL_USER_EVENT_MASK)) {
  30                 // TODO: call kernel write.
  31         }
  32         //TODO: replace tracer_call by rcu iteration on list of registered callbacks
  33         tracer_call_variadic(desc, sav_desc, var_struct, NULL);
  34 }