./sdriver.pl -t trace01.txt -s ./tsh -a "-p" # # trace01.txt - Properly terminate on EOF. # ./sdriver.pl -t trace02.txt -s ./tsh -a "-p" # # trace02.txt - Process builtin quit command. # ./sdriver.pl -t trace03.txt -s ./tsh -a "-p" # # trace03.txt - Run a foreground job. # tsh> quit ./sdriver.pl -t trace04.txt -s ./tsh -a "-p" # # trace04.txt - Run a background job. # tsh> ./myspin 1 & [1] (24010) ./myspin 1 & ./sdriver.pl -t trace05.txt -s ./tsh -a "-p" # # trace05.txt - Process jobs builtin command. # tsh> ./myspin 2 & [1] (24014) ./myspin 2 & tsh> ./myspin 3 & [2] (24016) ./myspin 3 & tsh> jobs [1] (24014) Running ./myspin 2 & [2] (24016) Running ./myspin 3 & ./sdriver.pl -t trace06.txt -s ./tsh -a "-p" # # trace06.txt - Forward SIGINT to foreground job. # tsh> ./myspin 4 Job [1] (24021) terminated by signal 2 ./sdriver.pl -t trace07.txt -s ./tsh -a "-p" # # trace07.txt - Forward SIGINT only to foreground job. # tsh> ./myspin 4 & [1] (24025) ./myspin 4 & tsh> ./myspin 5 Job [2] (24027) terminated by signal 2 tsh> jobs [1] (24025) Running ./myspin 4 & ./sdriver.pl -t trace08.txt -s ./tsh -a "-p" # # trace08.txt - Forward SIGTSTP only to foreground job. # tsh> ./myspin 4 & [1] (24032) ./myspin 4 & tsh> ./myspin 5 Job [2] (24034) stopped by signal 20 tsh> jobs [1] (24032) Running ./myspin 4 & [2] (24034) Stopped ./myspin 5 ./sdriver.pl -t trace09.txt -s ./tsh -a "-p" # # trace09.txt - Process bg builtin command # tsh> ./myspin 4 & [1] (24039) ./myspin 4 & tsh> ./myspin 5 Job [2] (24041) stopped by signal 20 tsh> jobs [1] (24039) Running ./myspin 4 & [2] (24041) Stopped ./myspin 5 tsh> bg %2 [2] (24041) ./myspin 5 tsh> jobs [1] (24039) Running ./myspin 4 & [2] (24041) Running ./myspin 5 ./sdriver.pl -t trace10.txt -s ./tsh -a "-p" # # trace10.txt - Process fg builtin command. # tsh> ./myspin 4 & [1] (24048) ./myspin 4 & tsh> fg %1 Job [1] (24048) stopped by signal 20 tsh> jobs [1] (24048) Stopped ./myspin 4 & tsh> fg %1 tsh> jobs ./sdriver.pl -t trace11.txt -s ./tsh -a "-p" # # trace11.txt - Forward SIGINT to every process in foreground process group # tsh> ./mysplit 4 Job [1] (24056) terminated by signal 2 tsh> /bin/ps a PID TTY STAT TIME COMMAND 16955 pts/10 S 0:00 -tcsh 23999 pts/10 S 0:00 make tests 24053 pts/10 S 0:00 perl ./sdriver.pl -t trace11.txt -s ./tsh -a -p 24054 pts/10 S 0:00 ./tsh -p 24059 pts/10 R 0:00 /bin/ps a ./sdriver.pl -t trace12.txt -s ./tsh -a "-p" # # trace12.txt - Forward SIGTSTP to every process in foreground process group # tsh> ./mysplit 4 Job [1] (24063) stopped by signal 20 tsh> jobs [1] (24063) Stopped ./mysplit 4 tsh> /bin/ps a PID TTY STAT TIME COMMAND 16955 pts/10 S 0:00 -tcsh 23999 pts/10 S 0:00 make tests 24060 pts/10 S 0:00 perl ./sdriver.pl -t trace12.txt -s ./tsh -a -p 24061 pts/10 S 0:00 ./tsh -p 24063 pts/10 T 0:00 ./mysplit 4 24064 pts/10 T 0:00 ./mysplit 4 24067 pts/10 R 0:00 /bin/ps a ./sdriver.pl -t trace13.txt -s ./tsh -a "-p" # # trace13.txt - Restart every stopped process in process group # tsh> ./mysplit 4 Job [1] (24071) stopped by signal 20 tsh> jobs [1] (24071) Stopped ./mysplit 4 tsh> /bin/ps a PID TTY STAT TIME COMMAND 16955 pts/10 S 0:00 -tcsh 23999 pts/10 S 0:00 make tests 24068 pts/10 S 0:00 perl ./sdriver.pl -t trace13.txt -s ./tsh -a -p 24069 pts/10 S 0:00 ./tsh -p 24071 pts/10 T 0:00 ./mysplit 4 24072 pts/10 T 0:00 ./mysplit 4 24075 pts/10 R 0:00 /bin/ps a tsh> fg %1 tsh> /bin/ps a PID TTY STAT TIME COMMAND 16955 pts/10 S 0:00 -tcsh 23999 pts/10 S 0:00 make tests 24068 pts/10 S 0:00 perl ./sdriver.pl -t trace13.txt -s ./tsh -a -p 24069 pts/10 S 0:00 ./tsh -p 24078 pts/10 R 0:00 /bin/ps a ./sdriver.pl -t trace14.txt -s ./tsh -a "-p" # # trace14.txt - Simple error handling # tsh> ./bogus ./bogus: Command not found tsh> ./myspin 4 & [1] (24084) ./myspin 4 & tsh> fg fg command requires PID or %jobid argument tsh> bg bg command requires PID or %jobid argument tsh> fg a fg: argument must be a PID or %jobid tsh> bg a bg: argument must be a PID or %jobid tsh> fg 9999999 (9999999): No such process tsh> bg 9999999 (9999999): No such process tsh> fg %2 %2: No such job tsh> fg %1 Job [1] (24084) stopped by signal 20 tsh> bg %2 %2: No such job tsh> bg %1 [1] (24084) ./myspin 4 & tsh> jobs [1] (24084) Running ./myspin 4 & ./sdriver.pl -t trace15.txt -s ./tsh -a "-p" # # trace15.txt - Putting it all together # tsh> ./bogus ./bogus: Command not found tsh> ./myspin 10 Job [1] (24101) terminated by signal 2 tsh> ./myspin 3 & [1] (24103) ./myspin 3 & tsh> ./myspin 4 & [2] (24105) ./myspin 4 & tsh> jobs [1] (24103) Running ./myspin 3 & [2] (24105) Running ./myspin 4 & tsh> fg %1 Job [1] (24103) stopped by signal 20 tsh> jobs [1] (24103) Stopped ./myspin 3 & [2] (24105) Running ./myspin 4 & tsh> bg %3 %3: No such job tsh> bg %1 [1] (24103) ./myspin 3 & tsh> jobs [1] (24103) Running ./myspin 3 & [2] (24105) Running ./myspin 4 & tsh> fg %1 tsh> quit ./sdriver.pl -t trace16.txt -s ./tsh -a "-p" # # trace16.txt - Additional test for signal handlers # tsh> ./mystop 2 Job [1] (24117) stopped by signal 20 tsh> jobs [1] (24117) Stopped ./mystop 2 tsh> ./myint 2 Job [2] (24120) terminated by signal 2