mirror of
https://github.com/nasa/trick.git
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101 lines
2.2 KiB
C++
101 lines
2.2 KiB
C++
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#include <iostream>
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#include <sstream>
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#include <fcntl.h>
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#include <iomanip>
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#include <errno.h>
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#include <unistd.h>
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#include "trick/DebugPause.hh"
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#include "trick/message_proto.h"
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#include "trick/message_type.h"
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#include "trick/exec_proto.h"
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#include "trick/exec_proto.hh"
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Trick::DebugPause * the_debug_pause = NULL ;
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Trick::DebugPause::DebugPause() {
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debug_pause_flag = false ;
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the_debug_pause = this ;
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}
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int Trick::DebugPause::debug_pause(Trick::JobData * curr_job) {
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// The target job was copied to sup_class_data in Trick::ScheduledJobQueueInstrument::call()
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Trick::JobData * target_job = (Trick::JobData *)curr_job->sup_class_data ;
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int sem_ret ;
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if ( target_job != NULL ) {
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// Pause for all job classes that are not initialization or for init jobs greater than phase 1.
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if ( target_job->job_class_name.compare("initialization") or target_job->phase > 1 ) {
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message_publish(MSG_NORMAL, "%12.6f pausing before %s\n" , exec_get_sim_time() ,
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target_job->name.c_str() ) ;
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do {
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sem_ret = sem_wait(debug_sem);
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} while ((sem_ret < 0) && (errno == EINTR));
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if (sem_ret != 0) {
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perror("Call to sem_wait");
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fflush(stderr);
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}
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}
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}
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return(0) ;
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}
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int Trick::DebugPause::debug_signal() {
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sem_post(debug_sem);
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return(0) ;
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}
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int Trick::DebugPause::debug_pause_on() {
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std::stringstream sem_name_stream ;
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if ( debug_pause_flag == true ) {
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return(0) ;
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}
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debug_pause_flag = true ;
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sem_name_stream << "itimersepmaphore_" << getpid() ;
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sem_name = sem_name_stream.str() ;
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debug_sem = sem_open(sem_name.c_str(), O_CREAT, S_IRWXU , 0);
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exec_instrument_before("trick_instruments.debug_pause.debug_pause") ;
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//TODO: turn off real-time clock if on.
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return(0) ;
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}
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int Trick::DebugPause::debug_pause_off() {
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if ( debug_pause_flag == false ) {
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return(0) ;
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}
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debug_pause_flag = false ;
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exec_instrument_remove("trick_instruments.debug_pause.debug_pause") ;
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debug_signal() ;
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sem_unlink(sem_name.c_str()) ;
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//TODO: turn back on real-time clock if on before debug_pause started.
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return(0);
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}
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