niklas/rcl
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Topic fix rcl lifecycle test issue (#715) (#796)

Browse source 
* Fix missing call fini() for lifecycle_transition and node in test_rcl_lifecycle

Signed-off-by: Barry Xu <barry.xu@sony.com>

* Fix error overwritten while allocator is Nullptr.

Signed-off-by: Barry Xu <barry.xu@sony.com>

* Optimize used variables

Signed-off-by: Barry Xu <barry.xu@sony.com>
Signed-off-by: Shane Loretz <sloretz@osrfoundation.org>

Co-authored-by: Barry Xu <barry.xu@sony.com>
This commit is contained in:
Shane Loretz 2020-09-09 15:25:10 -07:00 • committed by GitHub
parent 474754586c
commit 055d7eba62
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 52 additions and 20 deletions
Download patch file Download diff file Expand all files Collapse all files

32
rcl_lifecycle/src/default_state_machine.c
View file

@ -23,6 +23,7 @@
#include "rcl/error_handling.h"
#include "rcl/rcl.h"
#include "rcutils/strdup.h"
#include "rcl_lifecycle/transition_map.h"
@ -658,7 +659,11 @@ rcl_lifecycle_init_default_state_machine(
{
rcl_ret_t ret = RCL_RET_ERROR;
// Used for concatenating error messages in the fail: block.
const char * fail_error_message = "";
// The cause or error which leads to jump to fail:
char * fail_error_message = NULL;
// The error happens in fail:
char * fini_error_message = NULL;
rcl_allocator_t default_allocator;
// ***************************
// register all primary states
@ -695,25 +700,40 @@ rcl_lifecycle_init_default_state_machine(
fail:
// If rcl_lifecycle_transition_map_fini() fails, it will clobber the error string here.
// Concatenate the error strings if that happens
default_allocator = rcl_get_default_allocator();
if (rcl_error_is_set()) {
fail_error_message = rcl_get_error_string().str;
fail_error_message = rcutils_strdup(rcl_get_error_string().str, default_allocator);
rcl_reset_error();
}
if (rcl_lifecycle_transition_map_fini(&state_machine->transition_map, allocator) != RCL_RET_OK) {
const char * fini_error = "";
if (rcl_error_is_set()) {
fini_error = rcl_get_error_string().str;
fini_error_message = rcutils_strdup(rcl_get_error_string().str, default_allocator);
rcl_reset_error();
}
RCL_SET_ERROR_MSG_WITH_FORMAT_STRING(
"Freeing transition map failed while handling a previous error. Leaking memory!"
"\nOriginal error:\n\t%s\nError encountered in rcl_lifecycle_transition_map_fini():\n\t%s\n",
fail_error_message, fini_error);
fail_error_message != NULL ?
fail_error_message : "Failed to duplicate error while init state machine !",
fini_error_message != NULL ?
fini_error_message : "Failed to duplicate error while fini transition map !");
}
if (!rcl_error_is_set()) {
RCL_SET_ERROR_MSG("Unspecified error in default_state_machine _register_transitions()");
RCL_SET_ERROR_MSG(
(fail_error_message != NULL) ?
fail_error_message : "Unspecified error in rcl_lifecycle_init_default_state_machine() !");
}
if (fail_error_message != NULL) {
default_allocator.deallocate(fail_error_message, default_allocator.state);
}
if (fini_error_message != NULL) {
default_allocator.deallocate(fini_error_message, default_allocator.state);
}
return RCL_RET_ERROR;
}