2015-02-26 15:02:31 +00:00
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#include <stdlib.h>
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2015-06-01 15:28:29 +00:00
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#include "trick/VariableServerThread.hh"
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2015-02-26 15:02:31 +00:00
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void Trick::VariableServerThread::preload_checkpoint() {
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// Let the thread complete any data copying it has to do
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// and then suspend data copying until the checkpoint is reloaded.
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pthread_mutex_lock(©_mutex);
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// Save the pause state of this thread.
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saved_pause_cmd = pause_cmd;
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// Disallow data writing.
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pause_cmd = true ;
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// Temporarily "disconnect" the variable references from Trick Managed Memory
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// by tagging each as a "bad reference".
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std::vector <VariableReference *>::iterator it ;
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for (it = vars.begin(); it != vars.end() ; it++) {
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(*it)->ref->address = (char*)&bad_ref_int;
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(*it)->ref->attr = new ATTRIBUTES() ;
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(*it)->ref->attr->type = TRICK_NUMBER_OF_TYPES ;
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(*it)->ref->attr->units = (char *)"--" ;
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(*it)->ref->attr->size = sizeof(int) ;
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}
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}
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void Trick::VariableServerThread::restart() {
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// Set the pause state of this thread back to its "pre-checkpoint reload" state.
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pause_cmd = saved_pause_cmd ;
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// Set retry_bad_ref so that variables in this varible server thread will
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// be re-resolved to the newly re-created memory objects.
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var_retry_bad_ref();
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// Allow data copying to continue.
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pthread_mutex_unlock(©_mutex);
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}
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