aboutsummaryrefslogtreecommitdiff
path: root/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp')
-rw-r--r--src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp25
1 files changed, 23 insertions, 2 deletions
diff --git a/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
index d572f5339..40cb6043f 100644
--- a/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
+++ b/src/modules/ekf_att_pos_estimator/ekf_att_pos_estimator_main.cpp
@@ -125,6 +125,13 @@ public:
int start();
/**
+ * Task status
+ *
+ * @return true if the mainloop is running
+ */
+ bool task_running() { return _task_running; }
+
+ /**
* Print the current status.
*/
void print_status();
@@ -151,7 +158,8 @@ public:
private:
bool _task_should_exit; /**< if true, sensor task should exit */
- int _estimator_task; /**< task handle for sensor task */
+ bool _task_running; /**< if true, task is running in its mainloop */
+ int _estimator_task; /**< task handle for sensor task */
#ifndef SENSOR_COMBINED_SUB
int _gyro_sub; /**< gyro sensor subscription */
int _accel_sub; /**< accel sensor subscription */
@@ -313,12 +321,13 @@ namespace estimator
#endif
static const int ERROR = -1;
-FixedwingEstimator *g_estimator;
+FixedwingEstimator *g_estimator = nullptr;
}
FixedwingEstimator::FixedwingEstimator() :
_task_should_exit(false),
+ _task_running(false),
_estimator_task(-1),
/* subscriptions */
@@ -741,6 +750,8 @@ FixedwingEstimator::task_main()
_gps.vel_e_m_s = 0.0f;
_gps.vel_d_m_s = 0.0f;
+ _task_running = true;
+
while (!_task_should_exit) {
/* wait for up to 500ms for data */
@@ -1491,6 +1502,8 @@ FixedwingEstimator::task_main()
perf_end(_loop_perf);
}
+ _task_running = false;
+
warnx("exiting.\n");
_estimator_task = -1;
@@ -1643,6 +1656,14 @@ int ekf_att_pos_estimator_main(int argc, char *argv[])
err(1, "start failed");
}
+ /* avoid memory fragmentation by not exiting start handler until the task has fully started */
+ while (estimator::g_estimator == nullptr || !estimator::g_estimator->task_running()) {
+ usleep(50000);
+ printf(".");
+ fflush(stdout);
+ }
+ printf("\n");
+
exit(0);
}