int
benchmark (void)
{
prep1((CHARTYPE *) search, 3);
exec1((CHARTYPE *) buf, strlen(buf));
prep2((CHARTYPE *) search, 3);
exec2((CHARTYPE *) buf, strlen(buf));
return 0;
}
int main(int argc, char *argv[], char *envp[]) {
char line[256];
char ch;
char *pwd;
int i;
cmd_ptr *cmdptr = NULL;
pwd = malloc(sizeof(char) * 1024);
jlist = jobs_init();
//signal(SIGCHLD, SIG_DFL);
signal(SIGINT, SIG_IGN);
signal(SIGTERM, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
signal(SIGTSTP, SIG_IGN);
signal(SIGSTOP, SIG_IGN);
for (;;) {
struct task *newtask;
struct tnode *nodelist;
strcpy(pwd, getenv("PWD"));
printf("[CSC3150 shell:%s]$", pwd);
line[0] = 0;
i = 0;
while ((ch = getchar()) != '\n')
line[i++] = ch;
line[i] = 0;
if (line[0] == 0)
continue;
//temp=malloc(sizeof(char)*(strlen(line)+1));
//strcpy(temp,line);
if (!firstck(line)) {
printf("Error: invalid input command line\n");
continue;
}
//printf("Error\n");
cmdptr = malloc(sizeof(cmd_ptr));
initialize2(cmdptr);
newtask = malloc(sizeof(struct task));
newtask->cmd = malloc(sizeof(char) * (strlen(line) + 1));
strcpy(newtask->cmd, line);
jlist->job[jlist->n++] = newtask;
if (start_chk(line) == 2) {
nodelist = bnode(line);
exec1(nodelist);
continue;
}
if (start_chk(line) == 3)
getcmd3(line, cmdptr);
else if (start_chk(line) == 4)
getcmd4(line, cmdptr);
else if (start_chk(line) == 5)
getcmd5(line, cmdptr);
else if (start_chk(line) == 6)
getcmd6(line, cmdptr);
else if (start_chk(line) == 7)
getcmd7(line, cmdptr);
else if (start_chk(line) == 8)
getcmd8(line, cmdptr);
else {
printf("Error: invalid input command line\n");
continue;
}
nodelist = newnode(cmdptr);
newtask->tids = execute(nodelist, NULL, NULL);
if (newtask->tids != NULL) {
jlist->job[jlist->n] = newtask;
jlist->n++;
}
lwait(newtask->tids);
}
return 0;
}
