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This commit is contained in:
Laureηt
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.testms
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> bonjour, je suis un message vert de debug
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> à zipper
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jobs.c
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jobs.h
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latex
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Makefile
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minishell
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minishell.c
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readcmd.c
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readcmd.h
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README.md
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sujet.pdf
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test1
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test.sh
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utils.c
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utils.h
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> total 276K
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drwxr-xr-x 6 laurent laurent 4.0K May 23 18:53 .
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drwxrwxrwx 9 laurent laurent 4.0K May 5 08:07 ..
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drwxr-xr-x 2 laurent laurent 4.0K May 23 16:32 à zipper
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drwxr-xr-x 8 laurent laurent 4.0K May 23 16:28 .git
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-rw-r--r-- 1 laurent laurent 2.6K May 23 18:12 jobs.c
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-rw-r--r-- 1 laurent laurent 403 May 23 16:22 jobs.h
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drwxr-xr-x 4 laurent laurent 4.0K Apr 25 20:56 latex
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-rw-r--r-- 1 laurent laurent 205 May 10 15:49 Makefile
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-rwxr-xr-x 1 laurent laurent 27K May 23 18:53 minishell
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-rw-r--r-- 1 laurent laurent 7.2K May 23 18:51 minishell.c
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-rwxr-xr-x 1 laurent laurent 5.0K Apr 21 14:03 readcmd.c
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-rwxr-xr-x 1 laurent laurent 2.2K May 23 16:24 readcmd.h
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-rwxr-xr-x 1 laurent laurent 2.1K Apr 13 10:42 README.md
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-rw-r--r-- 1 laurent laurent 163K Apr 25 20:25 sujet.pdf
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-rw-r--r-- 1 laurent laurent 1.9K May 23 16:41 test1
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-rw-r--r-- 1 laurent laurent 452 May 23 18:53 .testms
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-rw-r--r-- 1 laurent laurent 2.3K May 23 18:26 test.sh
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-rw-r--r-- 1 laurent laurent 4.6K May 23 18:09 utils.c
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-rw-r--r-- 1 laurent laurent 165 May 23 16:22 utils.h
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drwxr-xr-x 2 laurent laurent 4.0K Apr 20 21:34 .vscode
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> -rwxr-xr-x 1 laurent laurent 27K May 23 18:53 minishell
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-rw-r--r-- 1 laurent laurent 7.2K May 23 18:51 minishell.c
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> 2 18 116
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> -rw-r--r-- 1 laurent laurent 1.9K May 23 16:41 test1
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drwxr-xr-x 6 laurent laurent 4.0K May 23 18:53 .
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drwxrwxrwx 9 laurent laurent 4.0K May 5 08:07 ..
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-rwxr-xr-x 1 laurent laurent 5.0K Apr 21 14:03 readcmd.c
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-rw-r--r-- 1 laurent laurent 7.2K May 23 18:51 minishell.c
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-rw-r--r-- 1 laurent laurent 2.6K May 23 18:12 jobs.c
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-rw-r--r-- 1 laurent laurent 4.6K May 23 18:09 utils.c
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-rwxr-xr-x 1 laurent laurent 2.1K Apr 13 10:42 README.md
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drwxr-xr-x 2 laurent laurent 4.0K Apr 20 21:34 .vscode
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-rw-r--r-- 1 laurent laurent 205 May 10 15:49 Makefile
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-rw-r--r-- 1 laurent laurent 163K Apr 25 20:25 sujet.pdf
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-rwxr-xr-x 1 laurent laurent 2.2K May 23 16:24 readcmd.h
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-rw-r--r-- 1 laurent laurent 403 May 23 16:22 jobs.h
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-rw-r--r-- 1 laurent laurent 165 May 23 16:22 utils.h
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-rw-r--r-- 1 laurent laurent 2.3K May 23 18:26 test.sh
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total 276K
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-rwxr-xr-x 1 laurent laurent 27K May 23 18:53 minishell
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drwxr-xr-x 2 laurent laurent 4.0K May 23 16:32 à zipper
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-rw-r--r-- 1 laurent laurent 2.0K May 23 18:53 .testms
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drwxr-xr-x 8 laurent laurent 4.0K May 23 16:28 .git
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drwxr-xr-x 4 laurent laurent 4.0K Apr 25 20:56 latex
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>>
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>>
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>>
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [1] 30197
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [2] 30200
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [3] 30203
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [4] 30206
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [5] 30209
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [6] 30212
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [7] 30215
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [8] 30218
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [9] 30221
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [10] 30224
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [11] 30227
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [8] 30218 stopped: sleep 12
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [1] 30197 running: sleep 5
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[1] 30197 stopped: sleep 5
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [1] 30197 continued: sleep 5
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> [1] 30197 : sleep 5
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[2] 30200 : sleep 6
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[3] 30203 : sleep 7
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[4] 30206 : sleep 8
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[5] 30209 : sleep 9
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[6] 30212 : sleep 10
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[7] 30215 : sleep 11
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[8] 30218 : sleep 12
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[9] 30221 : sleep 13
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[10] 30224 : sleep 14
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[11] 30227 : sleep 15
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> /home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> /home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>> /home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[1] 30197 exited: sleep 5
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[2] 30200 exited: sleep 6
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[3] 30203 exited: sleep 7
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[4] 30206 exited: sleep 8
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[5] 30209 exited: sleep 9
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[6] 30212 exited: sleep 10
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[7] 30215 exited: sleep 11
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[9] 30221 exited: sleep 13
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[10] 30224 exited: sleep 14
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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[11] 30227 exited: sleep 15
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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27
Makefile
27
Makefile
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@ -1,15 +1,34 @@
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CC = gcc
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LDFLAGS = -Wall
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LDFLAGS = -Wall -g
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all: minishell
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all: minishell Q1 Q3 Q4 Q5 Q6 Q7
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minishell: jobs.c readcmd.c minishell.c
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minishell: utils.c jobs.c readcmd.c minishell.c
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$(CC) $(LDFLAGS) $^ -o $@
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Q1: jobs.c readcmd.c Q1.c
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$(CC) $(LDFLAGS) $^ -o $@
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Q3: jobs.c readcmd.c Q3.c
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$(CC) $(LDFLAGS) $^ -o $@
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Q4: jobs.c readcmd.c Q4.c
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$(CC) $(LDFLAGS) $^ -o $@
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Q5: jobs.c readcmd.c Q5.c
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$(CC) $(LDFLAGS) $^ -o $@
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Q6: jobs.c readcmd.c Q6.c
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$(CC) $(LDFLAGS) $^ -o $@
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Q7: jobs.c readcmd.c Q7.c
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$(CC) $(LDFLAGS) $^ -o $@
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clean:
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rm minishell readcmd jobs
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rm minishell readcmd jobs utils Q1 Q3 Q4 Q5 Q6 Q7
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.PHONY: clean all
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readcmd.o: readcmd.h
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jobs.o: jobs.h
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utils.o: utils.h
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@ -1,8 +1,8 @@
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# Fdb version 3
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["pdflatex"] 1619376891 "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.tex" "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf" "notes" 1619376893
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"/dev/null" 1619348936 0 d41d8cd98f00b204e9800998ecf8427e ""
|
||||
"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.aux" 1619376893 845 467bc9a0de3c71bf18b9a0157f8def98 ""
|
||||
"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.tex" 1619376890 1910 342138058897a9344f648b92cf61941b ""
|
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["pdflatex"] 1621881898 "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.tex" "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf" "notes" 1621881900
|
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"/dev/null" 1621880663 0 d41d8cd98f00b204e9800998ecf8427e ""
|
||||
"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.aux" 1621881899 845 467bc9a0de3c71bf18b9a0157f8def98 ""
|
||||
"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.tex" 1621881897 2038 d0c24313d6481f7788145d1bee0004c8 ""
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"/usr/share/texmf-dist/fonts/enc/dvips/cm-super/cm-super-t1.enc" 1616952564 2971 def0b6c1f0b107b3b936def894055589 ""
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||||
"/usr/share/texmf-dist/fonts/map/fontname/texfonts.map" 1616952564 3524 cb3e574dea2d1052e39280babc910dc8 ""
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||||
"/usr/share/texmf-dist/fonts/tfm/jknappen/ec/ecbx2074.tfm" 1616952564 3584 7666d038713b9e38abb5c2e0f6972188 ""
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@ -108,16 +108,16 @@
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"/usr/share/texmf-dist/tex/latex/upquote/upquote.sty" 1607185936 1048 517e01cde97c1c0baf72e69d43aa5a2e ""
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"/usr/share/texmf-dist/tex/latex/url/url.sty" 1616952564 12796 8edb7d69a20b857904dd0ea757c14ec9 ""
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"/usr/share/texmf-dist/web2c/texmf.cnf" 1616952564 33301 a3134070eacafb10b1f371612ce2650d ""
|
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"/var/lib/texmf/fonts/map/pdftex/updmap/pdftex.map" 1618924313 4885835 225b430335ea75120e4d14f95280dfb9 ""
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"/var/lib/texmf/web2c/pdftex/pdflatex.fmt" 1618924260 2635857 8ed966d5a25715e6e8fe7a58ee087971 ""
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"/var/lib/texmf/fonts/map/pdftex/updmap/pdftex.map" 1620463121 4885835 225b430335ea75120e4d14f95280dfb9 ""
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"/var/lib/texmf/web2c/pdftex/pdflatex.fmt" 1620463077 2635857 ce71ba2e9c61a222d6d9dcfa2d0986e6 ""
|
||||
"inp_n7.jpg" 1618500153 64325 a4188587e23e19cb9a8d50da0c47b845 ""
|
||||
"notes.aux" 1619376893 845 467bc9a0de3c71bf18b9a0157f8def98 "pdflatex"
|
||||
"notes.out" 1619376893 0 d41d8cd98f00b204e9800998ecf8427e "pdflatex"
|
||||
"notes.tex" 1619376890 1910 342138058897a9344f648b92cf61941b ""
|
||||
"notes.aux" 1621881899 845 467bc9a0de3c71bf18b9a0157f8def98 "pdflatex"
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"notes.out" 1621881899 0 d41d8cd98f00b204e9800998ecf8427e "pdflatex"
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"notes.tex" 1621881897 2038 d0c24313d6481f7788145d1bee0004c8 ""
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(generated)
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"notes.out"
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"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.log"
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"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf"
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"notes.pdf"
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"notes.log"
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"notes.out"
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"notes.aux"
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"/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf"
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@ -1,4 +1,4 @@
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This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020/Arch Linux) (preloaded format=pdflatex 2021.4.20) 25 APR 2021 20:54
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This is pdfTeX, Version 3.14159265-2.6-1.40.21 (TeX Live 2020/Arch Linux) (preloaded format=pdflatex 2021.5.8) 24 MAY 2021 20:44
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entering extended mode
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\write18 enabled.
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file:line:error style messages enabled.
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@ -538,14 +538,14 @@ Package rerunfilecheck Info: File `notes.out' has not changed.
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)
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Here is how much of TeX's memory you used:
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12226 strings out of 479383
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200736 string characters out of 5875830
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||||
200736 string characters out of 5875831
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||||
668182 words of memory out of 5000000
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||||
29109 multiletter control sequences out of 15000+600000
|
||||
409409 words of font info for 43 fonts, out of 8000000 for 9000
|
||||
1141 hyphenation exceptions out of 8191
|
||||
80i,7n,85p,622b,424s stack positions out of 5000i,500n,10000p,200000b,80000s
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{/usr/share/texmf-dist/fonts/enc/dvips/cm-super/cm-super-t1.enc}</usr/share/texmf-dist/fonts/type1/public/cm-super/sfbx2074.pfb></usr/share/texmf-dist/fonts/type1/public/cm-super/sfrm1200.pfb></usr/share/texmf-dist/fonts/type1/public/cm-super/sfrm1440.pfb></usr/share/texmf-dist/fonts/type1/public/cm-super/sfrm2074.pfb>
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Output written on "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf" (2 pages, 124006 bytes).
|
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Output written on "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf" (2 pages, 124369 bytes).
|
||||
PDF statistics:
|
||||
35 PDF objects out of 1000 (max. 8388607)
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25 compressed objects within 1 object stream
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|
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BIN
latex/notes.pdf
BIN
latex/notes.pdf
Binary file not shown.
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@ -57,4 +57,6 @@ Pour ce qui est de la question 6 et 7, la principale difficulté a été de choi
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Mon implémentation de la question 6 et 7 fonctionne dans la plupart des cas, puisqu'il y a encore quelques cas exceptionnels où mon code ne fournit pas le résultat espéré. Cela est dû à ma gestion des signaux parfois un peu hasardeuse (et surtout car l'on doit gérer l'exécution de programmes en parallèle).
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Un petit fichier de test est disponible et permet de tester les fonctionnalités principales du minishell. Il se nomme test.sh
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\end{document}
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24
test.sh
24
test.sh
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@ -1,10 +1,11 @@
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green=`tput setaf 2`
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reset=`tput sgr0`
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extralongpipe=`printf '| sort | uniq | rev %.0s' {1..20}`
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extralongpipe=`printf '| sort | uniq | rev %.0s' {1..50}`
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rm .testms > /dev/null
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touch .testms
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make
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clear
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tail -f .testms &
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tailpid=$!
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@ -76,7 +77,7 @@ tmux send-keys -t testms Enter
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sleep 0.5
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echo "${green}^Z${reset}"
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printf "${green}^Z${reset}"
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tmux send-keys -t testms C-z
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sleep 0.5
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@ -108,7 +109,24 @@ echo "${green}pwd${reset}"
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tmux send-keys -t testms -l "pwd"
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tmux send-keys -t testms Enter
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sleep 12
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sleep 6
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echo "${green}jobs${reset}"
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tmux send-keys -t testms -l "jobs"
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tmux send-keys -t testms Enter
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sleep 7
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echo "${green}jobs${reset}"
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tmux send-keys -t testms -l "jobs"
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tmux send-keys -t testms Enter
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sleep 0.5
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echo "${green}^D${reset}"
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tmux send-keys -t testms C-d
|
||||
kill $tailpid
|
||||
|
||||
printf "\n\n\n"
|
||||
rm .testms > /dev/null
|
||||
make clean
|
||||
|
|
|
|||
BIN
à zipper/FAINSIN_Laurent.tar
Normal file
BIN
à zipper/FAINSIN_Laurent.tar
Normal file
Binary file not shown.
|
|
@ -110,7 +110,6 @@ void liberer(list *l_ptr)
|
|||
free(cursor2free);
|
||||
}
|
||||
|
||||
free(*l_ptr);
|
||||
*l_ptr = NULL;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -6,104 +6,42 @@
|
|||
#include <sys/wait.h>
|
||||
#include <string.h>
|
||||
#include <signal.h>
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
#include <setjmp.h>
|
||||
#include "readcmd.h"
|
||||
#include "jobs.h"
|
||||
#include "utils.h"
|
||||
|
||||
extern int errno;
|
||||
|
||||
struct cmdline *cmd;
|
||||
|
||||
int pid_fils, wait_code;
|
||||
|
||||
list jobs;
|
||||
|
||||
int pid_fils;
|
||||
int wait_code;
|
||||
int builtin_code;
|
||||
|
||||
int prompting = 0;
|
||||
jmp_buf goto_prompt;
|
||||
|
||||
char initcd[256], currentcd[256];
|
||||
|
||||
void handler_sigchld(int sig_num)
|
||||
{
|
||||
do
|
||||
{
|
||||
pid_fils = waitpid(-1, &wait_code, WNOHANG | WUNTRACED | WCONTINUED);
|
||||
if ((pid_fils == -1) && (errno != ECHILD))
|
||||
{ // wait fail ?
|
||||
fprintf(stderr, "ERROR: waiting for child failed, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
int file_in, file_out;
|
||||
|
||||
cell *job = trouver(&jobs, pid_fils);
|
||||
if (job != NULL)
|
||||
{
|
||||
if (prompting)
|
||||
{
|
||||
printf("\n");
|
||||
}
|
||||
int pipes[256][2];
|
||||
int sous_fils[256];
|
||||
|
||||
if (WIFSTOPPED(wait_code))
|
||||
{
|
||||
printf("[%d] %d stopped: %s\n", job->id, job->pid, job->cmd);
|
||||
}
|
||||
else if (WIFCONTINUED(wait_code))
|
||||
{
|
||||
printf("[%d] %d continued: %s\n", job->id, job->pid, job->cmd);
|
||||
if (!strcmp(cmd->seq[0][0], "fg"))
|
||||
{
|
||||
supprimer(&jobs, job->pid);
|
||||
}
|
||||
}
|
||||
else if (WIFEXITED(wait_code))
|
||||
{
|
||||
printf("[%d] %d exited: %s\n", job->id, job->pid, job->cmd);
|
||||
supprimer(&jobs, job->pid);
|
||||
}
|
||||
else if (wait_code == SIGKILL)
|
||||
{
|
||||
printf("[%d] %d killed: %s\n", job->id, job->pid, job->cmd);
|
||||
supprimer(&jobs, job->pid);
|
||||
}
|
||||
}
|
||||
} while (pid_fils > 0);
|
||||
|
||||
if (prompting)
|
||||
{
|
||||
siglongjmp(goto_prompt, sig_num);
|
||||
}
|
||||
}
|
||||
|
||||
void handler_sigint(int sig_num)
|
||||
{
|
||||
printf("\n");
|
||||
if (!prompting)
|
||||
{
|
||||
kill(pid_fils, SIGKILL);
|
||||
pause();
|
||||
}
|
||||
siglongjmp(goto_prompt, sig_num);
|
||||
}
|
||||
|
||||
void handler_sigtstp(int sig_num)
|
||||
{
|
||||
printf("\n");
|
||||
if (!prompting)
|
||||
{
|
||||
ajouter(&jobs, pid_fils, *(cmd->seq));
|
||||
kill(pid_fils, SIGSTOP);
|
||||
pause();
|
||||
}
|
||||
siglongjmp(goto_prompt, sig_num);
|
||||
}
|
||||
struct sigaction action;
|
||||
|
||||
int main(int argc, char *argv[])
|
||||
{
|
||||
setvbuf(stdout, NULL, _IONBF, 0); // pratique pour test.sh, optionnel sinon (normalement)
|
||||
initialiser(&jobs);
|
||||
getcwd(initcd, sizeof(initcd));
|
||||
|
||||
// gestion des signaux
|
||||
struct sigaction action;
|
||||
sigemptyset(&action.sa_mask);
|
||||
action.sa_flags = SA_SIGINFO | SA_RESTART;
|
||||
action.sa_handler = handler_sigchld;
|
||||
|
|
@ -124,111 +62,137 @@ int main(int argc, char *argv[])
|
|||
cmd = readcmd();
|
||||
prompting = 0;
|
||||
|
||||
if (cmd == NULL)
|
||||
{ // EOF
|
||||
builtin_code = builtin();
|
||||
if (builtin_code == 1)
|
||||
{
|
||||
break;
|
||||
}
|
||||
else if (cmd->seq[0] == NULL)
|
||||
{ // empty
|
||||
else if (builtin_code == 2)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "exit"))
|
||||
{ // "exit"
|
||||
break;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "cd"))
|
||||
{ // "cd"
|
||||
int ret = 0;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no path
|
||||
ret = chdir(initcd);
|
||||
}
|
||||
else
|
||||
{ // with path
|
||||
ret = chdir(cmd->seq[0][1]);
|
||||
}
|
||||
if (ret)
|
||||
{ // wrong path
|
||||
fprintf(stderr, "ERROR: cd failed, (%d) %s\n", errno, strerror(errno));
|
||||
}
|
||||
continue;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "jobs"))
|
||||
{ // "jobs"
|
||||
afficher(&jobs);
|
||||
continue;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "bg"))
|
||||
{ // "bg"
|
||||
cell *job;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no id
|
||||
fprintf(stderr, "ERROR: id missing\n");
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{ // id specified
|
||||
job = trouver_id(&jobs, atoi(cmd->seq[0][1]));
|
||||
}
|
||||
kill(job->pid, SIGCONT);
|
||||
pause();
|
||||
continue;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "fg"))
|
||||
{ // "fg"
|
||||
cell *job;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no id
|
||||
fprintf(stderr, "ERROR: id missing\n");
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{ // id specified
|
||||
job = trouver_id(&jobs, atoi(cmd->seq[0][1]));
|
||||
pid_fils = job->pid;
|
||||
}
|
||||
kill(pid_fils, SIGCONT);
|
||||
pause();
|
||||
waitpid(pid_fils, NULL, 0);
|
||||
continue;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "stop"))
|
||||
{ // "stop"
|
||||
cell *job;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no id
|
||||
fprintf(stderr, "ERROR: id missing\n");
|
||||
continue;
|
||||
}
|
||||
else
|
||||
{ // id specified
|
||||
job = trouver_id(&jobs, atoi(cmd->seq[0][1]));
|
||||
}
|
||||
kill(job->pid, SIGSTOP);
|
||||
pause();
|
||||
continue;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "pid"))
|
||||
{ // "pid"
|
||||
printf("pid=%d\n", getpid());
|
||||
continue;
|
||||
else if (builtin_code != 0)
|
||||
{
|
||||
fprintf(stderr, "ERROR: builtin command failed");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
pid_fils = fork();
|
||||
if (pid_fils == -1)
|
||||
{ // fork fail ?
|
||||
int nb_pipe = -1;
|
||||
char ***cursor = cmd->seq;
|
||||
while (*cursor)
|
||||
{ // compter le nombre de commandes séparées par des pipes
|
||||
cursor++;
|
||||
nb_pipe++;
|
||||
}
|
||||
if (nb_pipe < 0)
|
||||
{ // counting failed ?
|
||||
fprintf(stderr, "ERROR: counting pipes failed");
|
||||
exit(2);
|
||||
}
|
||||
|
||||
if ((pid_fils = fork()) == -1)
|
||||
{ // fork failed ?
|
||||
fprintf(stderr, "ERROR: forking failed, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
|
||||
if (pid_fils == 0)
|
||||
{ // instructions du fils
|
||||
action.sa_handler = SIG_IGN;
|
||||
sigaction(SIGTSTP, &action, NULL); // on igonre SIGTSTP
|
||||
sigaction(SIGTSTP, &action, NULL); // on ignore SIGTSTP
|
||||
sigaction(SIGINT, &action, NULL); // on ignore SIGINT
|
||||
|
||||
execvp(cmd->seq[0][0], cmd->seq[0]);
|
||||
exit(errno); // si execlp échoue on exit avec une erreur
|
||||
if (cmd->in)
|
||||
{ // "<"
|
||||
file_in = open(cmd->in, O_RDONLY);
|
||||
dup2(file_in, STDIN_FILENO);
|
||||
}
|
||||
if (cmd->out)
|
||||
{ // ">"
|
||||
file_out = open(cmd->out, O_CREAT | O_TRUNC | O_WRONLY, 0640);
|
||||
dup2(file_out, STDOUT_FILENO);
|
||||
}
|
||||
|
||||
if (nb_pipe > 0)
|
||||
{ // "|"
|
||||
for (int i = 0; i <= nb_pipe; i++)
|
||||
{ // on créé itérativement nb_pipe fils et pipes
|
||||
if (pipe(pipes[i]) < 0)
|
||||
{ // pipe failed ?
|
||||
fprintf(stderr, "ERROR: pipe error, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
|
||||
if ((sous_fils[i] = fork()) < 0)
|
||||
{ // fork failed ?
|
||||
fprintf(stderr, "ERROR: fork error, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
else if (sous_fils[i] == 0)
|
||||
{ // instructions des sous-fils
|
||||
|
||||
if (i == 0)
|
||||
{ // premier sous-fils
|
||||
close(pipes[0][0]);
|
||||
}
|
||||
else if (dup2(pipes[i - 1][0], STDIN_FILENO) == -1)
|
||||
{ // dup2 failed ?
|
||||
fprintf(stderr, "ERROR: dup2 error, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
|
||||
if (i == nb_pipe)
|
||||
{ // dernier sous-fils
|
||||
close(pipes[i][1]);
|
||||
}
|
||||
else if (dup2(pipes[i][1], STDOUT_FILENO) == -1)
|
||||
{ // dup2 failed ?
|
||||
fprintf(stderr, "ERROR: dup2 error, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
|
||||
for (int j = 0; j <= i; j++)
|
||||
{ // on ferme les pipes non nécéssaires
|
||||
if (j <= i - 2)
|
||||
{ // on ferme tous les pipes que l'on utilise pas
|
||||
close(pipes[j][0]);
|
||||
close(pipes[j][1]);
|
||||
}
|
||||
else if (j == i - 1)
|
||||
{ // on ferme l'écriture du pipe précédent
|
||||
close(pipes[j][1]);
|
||||
}
|
||||
else if (j == i)
|
||||
{ // on ferme la lecture de son propre pipe
|
||||
close(pipes[j][0]);
|
||||
}
|
||||
}
|
||||
|
||||
execvp(cmd->seq[i][0], cmd->seq[i]);
|
||||
fprintf(stderr, "ERROR: execvp failed, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno); // si execvp échoue on exit avec une erreur
|
||||
}
|
||||
}
|
||||
for (int i = 0; i <= nb_pipe; i++)
|
||||
{ // on ferme tous les pipes pour le fils
|
||||
close(pipes[i][0]);
|
||||
close(pipes[i][1]);
|
||||
}
|
||||
for (int i = 0; i <= nb_pipe; i++)
|
||||
{ // on attend chaque sous-fils
|
||||
if (waitpid(sous_fils[i], &wait_code, 0) == -1)
|
||||
if (wait_code)
|
||||
{ // execvp failed ?
|
||||
fprintf(stderr, "ERROR: child n°%d failed, (%d) %s\n", i, wait_code, strerror(wait_code));
|
||||
}
|
||||
}
|
||||
exit(0); // on termine le fils
|
||||
}
|
||||
else
|
||||
{ // pas de pipes dans la commande
|
||||
execvp(cmd->seq[0][0], cmd->seq[0]);
|
||||
fprintf(stderr, "ERROR: execvp failed, (%d) %s\n", errno, strerror(errno));
|
||||
exit(errno); // si execvp échoue on exit avec une erreur
|
||||
}
|
||||
}
|
||||
else
|
||||
{ // instructions du père
|
||||
|
|
@ -239,21 +203,19 @@ int main(int argc, char *argv[])
|
|||
}
|
||||
else
|
||||
{ // foreground
|
||||
pid_t id = waitpid(pid_fils, &wait_code, 0);
|
||||
|
||||
if (id == -1)
|
||||
{ // wait fail ?
|
||||
fprintf(stderr, "ERROR: waiting for %d failed, (%d) %s\n", wait_code, errno, strerror(errno));
|
||||
if (waitpid(pid_fils, &wait_code, 0) == -1)
|
||||
{ // wait failed ?
|
||||
fprintf(stderr, "ERROR: waiting for %d failed, (%d) %s\n", pid_fils, errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
|
||||
if (wait_code)
|
||||
{ // execvp fail ?
|
||||
fprintf(stderr, "ERROR: command failed, (%d) %s\n", wait_code, strerror(wait_code));
|
||||
{ // execvp failed ?
|
||||
fprintf(stderr, "ERROR: child failed, (%d) %s\n", wait_code, strerror(wait_code));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
liberer(&jobs);
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
Binary file not shown.
|
|
@ -17,7 +17,7 @@ struct cmdline *readcmd(void);
|
|||
struct cmdline
|
||||
{
|
||||
char *err; /* Si non null : message d'erreur à afficher.
|
||||
* Dans ce cas, les autres champs sont nuls. */
|
||||
* Dans ce cas, les autres champs sont nuls. */
|
||||
char *in; /* Si non null : nom du fichier vers lequel l'entrée doit être redirigée. */
|
||||
char *out; /* Si non null : nom du fichier vers lequel la sortie doit être redirigée. */
|
||||
char *backgrounded; /* Si non null : commande en tâche de fond */
|
||||
|
|
|
|||
134
à zipper/test.sh
134
à zipper/test.sh
|
|
@ -1,2 +1,132 @@
|
|||
sleep 4
|
||||
printf "\n\n --- bonjour --- \n\n"
|
||||
green=`tput setaf 2`
|
||||
reset=`tput sgr0`
|
||||
|
||||
extralongpipe=`printf '| sort | uniq | rev %.0s' {1..50}`
|
||||
|
||||
rm .testms > /dev/null
|
||||
touch .testms
|
||||
make
|
||||
clear
|
||||
tail -f .testms &
|
||||
tailpid=$!
|
||||
|
||||
tmux kill-session -t testms > /dev/null 2>&1
|
||||
tmux new-session -d -s testms './minishell > .testms'
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}echo bonjour, je suis un message vert de debug${reset}"
|
||||
tmux send-keys -t testms -l "echo bonjour, je suis un message vert de debug"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}ls${reset}"
|
||||
tmux send-keys -t testms -l "ls"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}ls -l${reset}"
|
||||
tmux send-keys -t testms -l "ls -lah"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}ls -lah | grep mini${reset}"
|
||||
tmux send-keys -t testms -l "ls -lah | grep mini"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}ls -lah | grep mini | wc${reset}"
|
||||
tmux send-keys -t testms -l "ls -lah | grep mini | wc"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}ls -lah | sort | rev | sort | ... ${reset}"
|
||||
tmux send-keys -t testms -l "ls -lah $extralongpipe"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}^C${reset}"
|
||||
tmux send-keys -t testms C-c
|
||||
echo "${green}^C${reset}"
|
||||
tmux send-keys -t testms C-c
|
||||
echo "${green}^C${reset}"
|
||||
tmux send-keys -t testms C-c
|
||||
|
||||
for i in {5..15}
|
||||
do
|
||||
echo "${green}sleep $i &${reset}"
|
||||
tmux send-keys -t testms -l "sleep $i &"
|
||||
tmux send-keys -t testms Enter
|
||||
done
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}stop 8${reset}"
|
||||
tmux send-keys -t testms -l "stop 8"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
echo "${green}fg 1${reset}"
|
||||
tmux send-keys -t testms -l "fg 1"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
printf "${green}^Z${reset}"
|
||||
tmux send-keys -t testms C-z
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}bg 1${reset}"
|
||||
tmux send-keys -t testms -l "bg 1"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}jobs${reset}"
|
||||
tmux send-keys -t testms -l "jobs"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}pwd${reset}"
|
||||
tmux send-keys -t testms -l "pwd"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}cd ..${reset}"
|
||||
tmux send-keys -t testms -l "cd .."
|
||||
tmux send-keys -t testms Enter
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}pwd${reset}"
|
||||
tmux send-keys -t testms -l "pwd"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 6
|
||||
|
||||
echo "${green}jobs${reset}"
|
||||
tmux send-keys -t testms -l "jobs"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 7
|
||||
|
||||
echo "${green}jobs${reset}"
|
||||
tmux send-keys -t testms -l "jobs"
|
||||
tmux send-keys -t testms Enter
|
||||
|
||||
sleep 0.5
|
||||
|
||||
echo "${green}^D${reset}"
|
||||
tmux send-keys -t testms C-d
|
||||
kill $tailpid
|
||||
|
||||
printf "\n\n\n"
|
||||
rm .testms > /dev/null
|
||||
make clean
|
||||
|
|
|
|||
197
à zipper/utils.c
Normal file
197
à zipper/utils.c
Normal file
|
|
@ -0,0 +1,197 @@
|
|||
#define _GNU_SOURCE
|
||||
|
||||
#include <stdio.h>
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
#include <sys/wait.h>
|
||||
#include <string.h>
|
||||
#include <signal.h>
|
||||
#include <fcntl.h>
|
||||
#include <errno.h>
|
||||
#include <setjmp.h>
|
||||
#include "readcmd.h"
|
||||
#include "jobs.h"
|
||||
|
||||
extern int errno;
|
||||
extern int pid_fils;
|
||||
extern int wait_code;
|
||||
extern int prompting;
|
||||
extern list jobs;
|
||||
extern struct cmdline *cmd;
|
||||
extern jmp_buf goto_prompt;
|
||||
extern char initcd[];
|
||||
extern struct sigaction action;
|
||||
|
||||
int builtin()
|
||||
{
|
||||
if (cmd == NULL)
|
||||
{ // EOF
|
||||
return 1;
|
||||
}
|
||||
else if (cmd->err)
|
||||
{ // error from readcmd
|
||||
fprintf(stderr, "ERROR: readcmd failed, %s\n", cmd->err);
|
||||
return 2;
|
||||
}
|
||||
else if (cmd->seq[0] == NULL)
|
||||
{ // empty
|
||||
return 2;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "exit"))
|
||||
{ // "exit"
|
||||
return 1;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "cd"))
|
||||
{ // "cd"
|
||||
int ret = 0;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no path
|
||||
ret = chdir(initcd);
|
||||
}
|
||||
else
|
||||
{ // with path
|
||||
ret = chdir(cmd->seq[0][1]);
|
||||
}
|
||||
if (ret)
|
||||
{ // wrong path
|
||||
fprintf(stderr, "ERROR: cd failed, (%d) %s\n", errno, strerror(errno));
|
||||
}
|
||||
return 2;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "jobs"))
|
||||
{ // "jobs"
|
||||
afficher(&jobs);
|
||||
return 2;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "bg"))
|
||||
{ // "bg"
|
||||
cell *job;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no id
|
||||
fprintf(stderr, "ERROR: id missing\n");
|
||||
return 2;
|
||||
}
|
||||
else
|
||||
{ // id specified
|
||||
job = trouver_id(&jobs, atoi(cmd->seq[0][1]));
|
||||
}
|
||||
kill(job->pid, SIGCONT);
|
||||
pause();
|
||||
return 2;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "fg"))
|
||||
{ // "fg"
|
||||
cell *job;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no id
|
||||
fprintf(stderr, "ERROR: id missing\n");
|
||||
return 2;
|
||||
}
|
||||
else
|
||||
{ // id specified
|
||||
job = trouver_id(&jobs, atoi(cmd->seq[0][1]));
|
||||
pid_fils = job->pid;
|
||||
}
|
||||
kill(pid_fils, SIGCONT);
|
||||
printf("[%d] %d running: %s\n", job->id, job->pid, job->cmd);
|
||||
pause();
|
||||
waitpid(pid_fils, NULL, 0);
|
||||
return 2;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "stop"))
|
||||
{ // "stop"
|
||||
cell *job;
|
||||
if (cmd->seq[0][1] == NULL)
|
||||
{ // no id
|
||||
fprintf(stderr, "ERROR: id missing\n");
|
||||
return 2;
|
||||
}
|
||||
else
|
||||
{ // id specified
|
||||
job = trouver_id(&jobs, atoi(cmd->seq[0][1]));
|
||||
}
|
||||
kill(job->pid, SIGSTOP);
|
||||
pause();
|
||||
return 2;
|
||||
}
|
||||
else if (!strcmp(cmd->seq[0][0], "pid"))
|
||||
{ // "pid"
|
||||
printf("pid=%d\n", getpid());
|
||||
return 2;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void handler_sigchld(int sig_num)
|
||||
{
|
||||
do
|
||||
{
|
||||
pid_fils = waitpid(-1, &wait_code, WNOHANG | WUNTRACED | WCONTINUED);
|
||||
if ((pid_fils == -1) && (errno != ECHILD))
|
||||
{ // wait failed ?
|
||||
fprintf(stderr, "ERROR: waiting for %d failed, (%d) %s\n", pid_fils, errno, strerror(errno));
|
||||
exit(errno);
|
||||
}
|
||||
|
||||
cell *job = trouver(&jobs, pid_fils);
|
||||
if (job != NULL)
|
||||
{
|
||||
if (prompting)
|
||||
{
|
||||
printf("\n");
|
||||
}
|
||||
|
||||
if (WIFSTOPPED(wait_code))
|
||||
{
|
||||
printf("[%d] %d stopped: %s\n", job->id, job->pid, job->cmd);
|
||||
}
|
||||
else if (WIFCONTINUED(wait_code))
|
||||
{
|
||||
printf("[%d] %d continued: %s\n", job->id, job->pid, job->cmd);
|
||||
if (!strcmp(cmd->seq[0][0], "fg"))
|
||||
{
|
||||
supprimer(&jobs, job->pid);
|
||||
}
|
||||
}
|
||||
else if (WIFEXITED(wait_code))
|
||||
{
|
||||
printf("[%d] %d exited: %s\n", job->id, job->pid, job->cmd);
|
||||
supprimer(&jobs, job->pid);
|
||||
}
|
||||
else if (wait_code == SIGKILL)
|
||||
{
|
||||
printf("[%d] %d killed: %s\n", job->id, job->pid, job->cmd);
|
||||
supprimer(&jobs, job->pid);
|
||||
}
|
||||
}
|
||||
} while (pid_fils > 0);
|
||||
|
||||
if (prompting)
|
||||
{
|
||||
siglongjmp(goto_prompt, sig_num);
|
||||
}
|
||||
}
|
||||
|
||||
void handler_sigint(int sig_num)
|
||||
{
|
||||
printf("\n");
|
||||
if (!prompting)
|
||||
{
|
||||
kill(pid_fils, SIGKILL);
|
||||
pause();
|
||||
}
|
||||
siglongjmp(goto_prompt, sig_num);
|
||||
}
|
||||
|
||||
void handler_sigtstp(int sig_num)
|
||||
{
|
||||
printf("\n");
|
||||
if (!prompting)
|
||||
{
|
||||
//ajouter(&jobs, pid_fils, *(cmd->seq));
|
||||
kill(pid_fils, SIGSTOP);
|
||||
pause();
|
||||
}
|
||||
siglongjmp(goto_prompt, sig_num);
|
||||
}
|
||||
10
à zipper/utils.h
Normal file
10
à zipper/utils.h
Normal file
|
|
@ -0,0 +1,10 @@
|
|||
#ifndef __UTILS_H
|
||||
#define __UTILS_H
|
||||
|
||||
int builtin();
|
||||
|
||||
void handler_sigchld(int sig_num);
|
||||
void handler_sigint(int sig_num);
|
||||
void handler_sigtstp(int sig_num);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in a new issue