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Re-structure callback registration tracepoint

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This commit is contained in:
Christophe Bedard 2019-05-28 16:35:47 +02:00
parent cee1327930
commit 372f0296c0
3 changed files with 18 additions and 14 deletions
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20
tracetools/src/tracetools.c
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@ -12,12 +12,16 @@
const char * get_symbol(const void * function_ptr) {
#if defined(WITH_LTTNG) && !defined(_WIN32)
char** symbols = backtrace_symbols(&function_ptr, 1);
const char * result = symbols[0];
free(symbols);
return result;
// If it's actually a lambda
if (NULL == function_ptr) {
return "";
}
char ** symbols = backtrace_symbols(&function_ptr, 1);
const char * result = symbols[0];
free(symbols);
return result;
#else
return "";
return "";
#endif
}
@ -166,8 +170,8 @@ void TRACEPOINT(
void TRACEPOINT(
rclcpp_callback_register,
const void * handle,
const void * callback)
const void * callback,
const void * function_target)
{
CONDITIONAL_TP(ros2, rclcpp_callback_register, handle, get_symbol(callback));
CONDITIONAL_TP(ros2, rclcpp_callback_register, callback, get_symbol(function_target));
}