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make internal thread liveliness monitoring optional

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Internal thread liveliness monitoring means having a thread that wakes up periodically, doing nothing but checking whether all seems well. In most case, this is not worth the resources and energy.

Signed-off-by: Erik Boasson <eb@ilities.com>
This commit is contained in:
Erik Boasson 2018-08-01 08:57:40 +02:00
parent 519a1ffb92
commit a72a581cb0
4 changed files with 29 additions and 17 deletions
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33
src/core/ddsc/src/dds_init.c
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@ -105,19 +105,22 @@ dds_init(void)
ut_avlInit(&dds_domaintree_def, &dds_global.m_domains);
/* Start monitoring the liveliness of all threads and renewing the
service lease if everything seems well. */
gv.servicelease = nn_servicelease_new(0, 0);
if (gv.servicelease == NULL)
/* Start monitoring the liveliness of all threads. */
if (!config.liveliness_monitoring)
gv.servicelease = NULL;
else
{
ret = DDS_ERRNO(DDS_RETCODE_OUT_OF_RESOURCES, "Failed to create a servicelease.");
goto fail_servicelease_new;
}
if (nn_servicelease_start_renewing(gv.servicelease) < 0)
{
ret = DDS_ERRNO(DDS_RETCODE_ERROR, "Failed to start the servicelease.");
goto fail_servicelease_start;
gv.servicelease = nn_servicelease_new(0, 0);
if (gv.servicelease == NULL)
{
ret = DDS_ERRNO(DDS_RETCODE_OUT_OF_RESOURCES, "Failed to create a servicelease.");
goto fail_servicelease_new;
}
if (nn_servicelease_start_renewing(gv.servicelease) < 0)
{
ret = DDS_ERRNO(DDS_RETCODE_ERROR, "Failed to start the servicelease.");
goto fail_servicelease_start;
}
}
if (rtps_init() < 0)
@ -159,7 +162,8 @@ skip:
fail_rtps_init:
fail_servicelease_start:
nn_servicelease_free (gv.servicelease);
if (gv.servicelease)
nn_servicelease_free (gv.servicelease);
gv.servicelease = NULL;
fail_servicelease_new:
thread_states_fini();
@ -195,7 +199,8 @@ extern void dds_fini (void)
dds__builtin_fini();
rtps_term ();
nn_servicelease_free (gv.servicelease);
if (gv.servicelease)
nn_servicelease_free (gv.servicelease);
gv.servicelease = NULL;
downgrade_main_thread ();
thread_states_fini ();