ast_comparator/test/student_data/handout/shlab-handout/cases/51_tsh.c
/*
 * waitfg - Block until process pid is no longer the foreground process
 */
Block until process pid is no longer the foreground process
Block until process pid is no longer the foreground process
void waitfg(pid_t pid)
{
  while(fgpid(jobs) ==  pid) {sleep(1);} 
  return;
}
void waitfg ( pid_t pid ) { while ( fgpid ( jobs ) == pid ) { sleep ( 1 ) ; } return ; }
waitfg - Block until process pid is no longer the foreground process
waitfg - Block until process pid is no longer the foreground process
// wait until the current foreground process is finished