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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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readcmd.c
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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.h
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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet >>> total 276K
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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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/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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-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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-rwxr-xr-x 1 laurent laurent 2.1K Apr 13 10:42 README.md
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-rwxr-xr-x 1 laurent laurent 2.2K May 23 16:24 readcmd.h
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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 continued: sleep 5
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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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/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés >>>
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27
Makefile
27
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CC = gcc
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LDFLAGS = -Wall
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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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clean:
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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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|
||||||
{/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>
|
{/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>
|
||||||
Output written on "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf" (2 pages, 124006 bytes).
|
Output written on "/home/laurent/Documents/Cours/ENSEEIHT/S6 - Systèmes d'Exploitation Centralisés/projet/latex/notes.pdf" (2 pages, 124369 bytes).
|
||||||
PDF statistics:
|
PDF statistics:
|
||||||
35 PDF objects out of 1000 (max. 8388607)
|
35 PDF objects out of 1000 (max. 8388607)
|
||||||
25 compressed objects within 1 object stream
|
25 compressed objects within 1 object stream
|
||||||
|
|
|
||||||
BIN
latex/notes.pdf
BIN
latex/notes.pdf
Binary file not shown.
Binary file not shown.
|
|
@ -57,4 +57,6 @@ Pour ce qui est de la question 6 et 7, la principale difficulté a été de choi
|
||||||
|
|
||||||
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).
|
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).
|
||||||
|
|
||||||
|
Un petit fichier de test est disponible et permet de tester les fonctionnalités principales du minishell. Il se nomme test.sh
|
||||||
|
|
||||||
\end{document}
|
\end{document}
|
||||||
|
|
|
||||||
24
test.sh
24
test.sh
|
|
@ -1,10 +1,11 @@
|
||||||
green=`tput setaf 2`
|
green=`tput setaf 2`
|
||||||
reset=`tput sgr0`
|
reset=`tput sgr0`
|
||||||
|
|
||||||
extralongpipe=`printf '| sort | uniq | rev %.0s' {1..20}`
|
extralongpipe=`printf '| sort | uniq | rev %.0s' {1..50}`
|
||||||
|
|
||||||
rm .testms > /dev/null
|
rm .testms > /dev/null
|
||||||
touch .testms
|
touch .testms
|
||||||
|
make
|
||||||
clear
|
clear
|
||||||
tail -f .testms &
|
tail -f .testms &
|
||||||
tailpid=$!
|
tailpid=$!
|
||||||
|
|
@ -76,7 +77,7 @@ tmux send-keys -t testms Enter
|
||||||
|
|
||||||
sleep 0.5
|
sleep 0.5
|
||||||
|
|
||||||
echo "${green}^Z${reset}"
|
printf "${green}^Z${reset}"
|
||||||
tmux send-keys -t testms C-z
|
tmux send-keys -t testms C-z
|
||||||
|
|
||||||
sleep 0.5
|
sleep 0.5
|
||||||
|
|
@ -108,7 +109,24 @@ echo "${green}pwd${reset}"
|
||||||
tmux send-keys -t testms -l "pwd"
|
tmux send-keys -t testms -l "pwd"
|
||||||
tmux send-keys -t testms Enter
|
tmux send-keys -t testms Enter
|
||||||
|
|
||||||
sleep 12
|
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
|
tmux send-keys -t testms C-d
|
||||||
kill $tailpid
|
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(cursor2free);
|
||||||
}
|
}
|
||||||
|
|
||||||
free(*l_ptr);
|
|
||||||
*l_ptr = NULL;
|
*l_ptr = NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
@ -144,4 +143,4 @@ cell *trouver_id(list *l_ptr, int id)
|
||||||
}
|
}
|
||||||
|
|
||||||
return NULL; // erreur
|
return NULL; // erreur
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -22,4 +22,4 @@ void supprimer(cell **list, int pid);
|
||||||
cell *trouver(list *l_ptr, int pid);
|
cell *trouver(list *l_ptr, int pid);
|
||||||
cell *trouver_id(list *l_ptr, int id);
|
cell *trouver_id(list *l_ptr, int id);
|
||||||
|
|
||||||
#endif
|
#endif
|
||||||
|
|
|
||||||
|
|
@ -6,104 +6,42 @@
|
||||||
#include <sys/wait.h>
|
#include <sys/wait.h>
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
#include <signal.h>
|
#include <signal.h>
|
||||||
|
#include <fcntl.h>
|
||||||
#include <errno.h>
|
#include <errno.h>
|
||||||
#include <setjmp.h>
|
#include <setjmp.h>
|
||||||
#include "readcmd.h"
|
#include "readcmd.h"
|
||||||
#include "jobs.h"
|
#include "jobs.h"
|
||||||
|
#include "utils.h"
|
||||||
|
|
||||||
extern int errno;
|
extern int errno;
|
||||||
|
|
||||||
struct cmdline *cmd;
|
struct cmdline *cmd;
|
||||||
|
|
||||||
int pid_fils, wait_code;
|
|
||||||
|
|
||||||
list jobs;
|
list jobs;
|
||||||
|
|
||||||
|
int pid_fils;
|
||||||
|
int wait_code;
|
||||||
|
int builtin_code;
|
||||||
|
|
||||||
int prompting = 0;
|
int prompting = 0;
|
||||||
jmp_buf goto_prompt;
|
jmp_buf goto_prompt;
|
||||||
|
|
||||||
char initcd[256], currentcd[256];
|
char initcd[256], currentcd[256];
|
||||||
|
|
||||||
void handler_sigchld(int sig_num)
|
int file_in, file_out;
|
||||||
{
|
|
||||||
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);
|
|
||||||
}
|
|
||||||
|
|
||||||
cell *job = trouver(&jobs, pid_fils);
|
int pipes[256][2];
|
||||||
if (job != NULL)
|
int sous_fils[256];
|
||||||
{
|
|
||||||
if (prompting)
|
|
||||||
{
|
|
||||||
printf("\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
if (WIFSTOPPED(wait_code))
|
struct sigaction action;
|
||||||
{
|
|
||||||
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);
|
|
||||||
}
|
|
||||||
|
|
||||||
int main(int argc, char *argv[])
|
int main(int argc, char *argv[])
|
||||||
{
|
{
|
||||||
|
setvbuf(stdout, NULL, _IONBF, 0); // pratique pour test.sh, optionnel sinon (normalement)
|
||||||
initialiser(&jobs);
|
initialiser(&jobs);
|
||||||
getcwd(initcd, sizeof(initcd));
|
getcwd(initcd, sizeof(initcd));
|
||||||
|
|
||||||
// gestion des signaux
|
// gestion des signaux
|
||||||
struct sigaction action;
|
|
||||||
sigemptyset(&action.sa_mask);
|
sigemptyset(&action.sa_mask);
|
||||||
action.sa_flags = SA_SIGINFO | SA_RESTART;
|
action.sa_flags = SA_SIGINFO | SA_RESTART;
|
||||||
action.sa_handler = handler_sigchld;
|
action.sa_handler = handler_sigchld;
|
||||||
|
|
@ -124,111 +62,137 @@ int main(int argc, char *argv[])
|
||||||
cmd = readcmd();
|
cmd = readcmd();
|
||||||
prompting = 0;
|
prompting = 0;
|
||||||
|
|
||||||
if (cmd == NULL)
|
builtin_code = builtin();
|
||||||
{ // EOF
|
if (builtin_code == 1)
|
||||||
|
{
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
else if (cmd->seq[0] == NULL)
|
else if (builtin_code == 2)
|
||||||
{ // empty
|
{
|
||||||
continue;
|
continue;
|
||||||
}
|
}
|
||||||
else if (!strcmp(cmd->seq[0][0], "exit"))
|
else if (builtin_code != 0)
|
||||||
{ // "exit"
|
{
|
||||||
break;
|
fprintf(stderr, "ERROR: builtin command failed");
|
||||||
}
|
exit(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));
|
|
||||||
}
|
|
||||||
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;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
pid_fils = fork();
|
int nb_pipe = -1;
|
||||||
if (pid_fils == -1)
|
char ***cursor = cmd->seq;
|
||||||
{ // fork fail ?
|
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));
|
fprintf(stderr, "ERROR: forking failed, (%d) %s\n", errno, strerror(errno));
|
||||||
exit(errno);
|
exit(errno);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (pid_fils == 0)
|
if (pid_fils == 0)
|
||||||
{ // instructions du fils
|
{ // instructions du fils
|
||||||
action.sa_handler = SIG_IGN;
|
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
|
sigaction(SIGINT, &action, NULL); // on ignore SIGINT
|
||||||
|
|
||||||
execvp(cmd->seq[0][0], cmd->seq[0]);
|
if (cmd->in)
|
||||||
exit(errno); // si execlp échoue on exit avec une erreur
|
{ // "<"
|
||||||
|
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
|
else
|
||||||
{ // instructions du père
|
{ // instructions du père
|
||||||
|
|
@ -239,21 +203,19 @@ int main(int argc, char *argv[])
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{ // foreground
|
{ // foreground
|
||||||
pid_t id = waitpid(pid_fils, &wait_code, 0);
|
if (waitpid(pid_fils, &wait_code, 0) == -1)
|
||||||
|
{ // wait failed ?
|
||||||
if (id == -1)
|
fprintf(stderr, "ERROR: waiting for %d failed, (%d) %s\n", pid_fils, errno, strerror(errno));
|
||||||
{ // wait fail ?
|
|
||||||
fprintf(stderr, "ERROR: waiting for %d failed, (%d) %s\n", wait_code, errno, strerror(errno));
|
|
||||||
exit(errno);
|
exit(errno);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (wait_code)
|
if (wait_code)
|
||||||
{ // execvp fail ?
|
{ // execvp failed ?
|
||||||
fprintf(stderr, "ERROR: command failed, (%d) %s\n", wait_code, strerror(wait_code));
|
fprintf(stderr, "ERROR: child failed, (%d) %s\n", wait_code, strerror(wait_code));
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
liberer(&jobs);
|
||||||
return EXIT_SUCCESS;
|
return EXIT_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Binary file not shown.
|
|
@ -17,7 +17,7 @@ struct cmdline *readcmd(void);
|
||||||
struct cmdline
|
struct cmdline
|
||||||
{
|
{
|
||||||
char *err; /* Si non null : message d'erreur à afficher.
|
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 *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 *out; /* Si non null : nom du fichier vers lequel la sortie doit être redirigée. */
|
||||||
char *backgrounded; /* Si non null : commande en tâche de fond */
|
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
|
green=`tput setaf 2`
|
||||||
printf "\n\n --- bonjour --- \n\n"
|
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