int main(int argc, char *argv[]) {
char name[64];
int pid, cmd;
int pd[2];
while(1){
printf("\n----------------------------------------------\n");
#ifndef _LAB_3_
printf("I am proc %d in U mode with ppid %d: running segment=%x\n",getpid(), getppid(), getcs());
#else
printf("I am proc "); getpid(); printf(" in U mode: running segment=%x\n", getcs());
#endif
#ifdef _SLEEPER_
while(1) {
printf("PID: %d PPID: %d\n", getpid(), getppid());
sleep(5);
return 0;
}
#endif
show_menu();
printf("Command? ");
gets(name);
printf("\n");
if (name[0]==0)
continue;
cmd = find_cmd(name);
switch(cmd){
case 0: getpid(); break;
case 1: ps(); break;
case 2: chname(); break;
case 3: kswitch(); break;
case 4: wait(); break;
case 5: ufork(); break;
case 6: uexec(); break;
case 7: exit(); break;
case 8: pipe(pd); break;
case 9: pfd(); break;
case 10: uclose(); break;
case 11: uread(); break;
case 12: uwrite(); break;
case 13: usleep(); break;
default:invalid(name);break;
}
}
}
main(int argc, char *argv[])
{
char name[64]; int pid, cmd, segment, i, active;
pid = getpid();
color = 0x000B + (pid % 5); // avoid black on black baground
printf("enter main() : argc = %d\n", argc);
for (i=0; i<argc; i++)
printf("argv[%d] = %s\n", i, argv[i]);
while(1){
pid = getpid();
active = getmode();
color = 0x000B + (pid % 5);
segment = (pid+1)*0x1000;
printf("==============================================\n");
printf("I am proc %din U mode: segment=%x active=%d\n",
pid, segment,active);
show_menu();
printf("Command ? ");
gets(name);
if (name[0]==0)
continue;
cmd = find_cmd(name);
switch(cmd){
case 0 : getpid(); break;
case 1 : ps(); break;
case 2 : chname(); break;
case 3 : kmode(); break;
case 4 : uswitch(); break;
case 5 : uwait(); break;
case 6 : uexit(); break;
case 7 : ufork(); break;
case 8 : uexec(); break;
default: invalid(name); break;
}
}
}
main()
{
char name[64];
int pid, cmd;
while(1){
printf("==============================================\n");
printf("\nIch bin Prozess %d in der U Weise: das laufen im Segment=%x\n",
getpid(), getcs());
show_menu();
printf("Command ? ");
gets(name);
if (name[0]==0)
continue;
cmd = find_cmd(name);
switch(cmd){
case 0 : getpid(); break;
case 1 : ps(); break;
case 2 : chname(); break;
case 3 : kmode(); break;
case 4 : kswitch(); break;
case 5 : wait(); break;
case 6 : die(); break;
case 7 : ufork(); break;
case 8 : uexec(); break;
case 9 : chcolor(); break;
default: invalid(name); break;
}
}
}
