int
main(int argc, char *argv[]){
int n, pid, i , j, h;
int stime_cpu = 0,stime_scpu = 0, stime_IO = 0;
int retime_cpu = 0, retime_scpu = 0, retime_IO = 0;
int tatime_cpu = 0, tatime_scpu = 0, tatime_IO = 0;
int retime, rutime, stime;
enum test_type test;
if (argc != 2)
return -1;
n = atoi(argv[1]);
for(i = 0 ; i < 3 * n ; ++i) {
pid = fork();
if(pid == 0) {
test = getpid() % 3;
if(test == CPU) {
for(j = 0 ; j < 100 ; ++j)
for(h = 0 ; h < 1000000 ; ++h){}
}
else if(test == S_CPU) {
for(j = 0 ; j < 100 ; ++j) {
for(h = 0 ; h < 1000000 ; ++h){}
yield();
}
}
else { //IO
for(j = 0 ; j < 100 ; ++j)
sleep(1);
}
exit();
}
else if (pid < 0) {
printf(1, "fork number %d, failed!!! \n", i);
}
else{}
}
while((pid =wait2(&retime, &rutime, &stime)) > 0) { // pid != 0 (parent code)
test = pid % 3;
printf(1, "process id: %d, type: %s \n", pid, get_test_name(test));
printf(1,"wait time: %d, run time: %d, IO time: %d \n",
retime, rutime, stime);
switch(test) {
case CPU:
stime_cpu += stime;
retime_cpu += retime;
tatime_cpu += stime + retime + rutime;
break;
case S_CPU:
stime_scpu += stime;
retime_scpu += retime;
tatime_scpu += stime + retime + rutime;
break;
case IO:
stime_IO += stime;
retime_IO += retime;
tatime_IO += stime + retime + rutime;
break;
}
}
sleeptime(CPU,n,stime_cpu);
sleeptime(S_CPU,n,stime_scpu);
sleeptime(IO,n,stime_IO);
readytime(CPU,n,retime_cpu);
readytime(S_CPU,n,retime_scpu);
readytime(IO,n,retime_IO);
turnaroundtime(CPU,n,tatime_cpu);
turnaroundtime(S_CPU,n,tatime_scpu);
turnaroundtime(IO,n,tatime_IO);
exit();
}
int main(int argc, char** argv)
{
char sh[200];
strcpy(sh,"SHELL=");
strcat(sh,getenv("PWD"));
putenv(sh);
if(argc==2)
{
//printf("file readin");
if(freopen(argv[1],"r",stdin)==NULL){
fprintf(stdout,"Failure to open");
}
}
//char* comm;
char str[200];
char* commands[NUMBER_OF_COMMANDS]={"clr","dir","environ","quit","echo","cd","pause","help"};
while(1)
{
//initializing redirection values
in_=0;
out_=0;
app_=0;
dont_wait=0; //sets next arguement to auto wait.
fprintf(stdout,"%s==>",getenv("PWD"));
fflush(stdout);
//start reading function
//get string and note that it has a newline character at the end of the string.
if(fgets(str,200,stdin)==NULL)
{
fclose(stdin);
}
//end reading function
strcpy(masterstr,str);
//malloc buffer size
int argcount=0;
char* buffer =NULL;
buffer=strtok(str," \n\t");
char** argarray=(char**) malloc(sizeof(str));
while(buffer!=NULL)
{
if(strcmp(buffer,"&")==0)
{
fprintf(stdout,"%s",buffer);
dont_wait=1;
}
else if(strcmp(buffer,"<")==0)
{
fprintf(stdout,"%s",buffer);
fprintf(stdin,"Input changed");
buffer=strtok(NULL," \n\t");
if(buffer!=NULL)
{
strcpy(in,buffer);
in_=1;
}
}
else if(strcmp(buffer,">")==0)
{
fprintf(stdout,"%s",buffer);
fprintf(stdin,"Output changed");
buffer=strtok(NULL," \n\t");
if(buffer!=NULL)
{
strcpy(out,buffer);
out_=1;
}
}
else if(strcmp(buffer,">>")==0)
{
fprintf(stdout,"%s",buffer);
fprintf(stdin,"append Out changed");
buffer=strtok(NULL," \n\t");
if(buffer!=NULL)
{
strcpy(app,buffer);
app_=1;
}
}
else
{
argarray[argcount]=(char*) malloc(sizeof(buffer)); //allocate space for each argument
strcpy(argarray[argcount++],buffer);
//take next value from command string
}
buffer=strtok(NULL," \n\t");
}
//start command parse
int l;
if(argarray[0]!=NULL)
{
for(l=0;l<NUMBER_OF_COMMANDS;l++)
{
//remove to test string comparison
//fprintf(stdout,"%s:%s\n",arguments,commands[l]);
if(strcmp(argarray[0],commands[l])==0)
{
break;
}
}
//argarray[argcount++]=(char*) malloc (sizeof(str));
//argarray[argcount++]='\0';
//remove to test the value of l
//fprintf(stdout,"HELLO? %d",l);
switch(l)
{
case(0):clr(argarray);break;
case(1):dir(argarray,argcount);break;
case(2):envi();break;
case(3):return 0;break;
case(4):echoarg(argarray,argcount);break;
case(5):cd(argarray,argcount);break;
case(6):sleeptime();break;
case(7):help();break;
default:other(argarray);break;
}
}
}
}
/*
* Main entry point:
*/
int MAIN(int argc, char **argv)
{
// First print GPL information:
printf("%s %s [%s] Copyright (C) 2017 basil\n", PROGRAM_NAME_LONG,
PROGRAM_VERSION, PLATFORM);
puts("License GPLv3+: GNU GPL version 3 or later "
"<http://gnu.org/licenses/gpl.html>.");
puts("This is free software: you are free to change and redistribute it.");
puts("There is NO WARRANTY, to the extent permitted by law.");
putchar('\n');
// Process options:
options_init(argc, argv);
// Initialise various components (order is important!).
log_init();
trace("changing to home directory %s", PROGRAM_DIR);
chdir_home();
trace("installing files (if required)");
install_files();
trace("initialising user configuration");
config_init();
trace("initialising tunnel management");
tunnel_init();
// Initialise the sockets library (if required on this platform).
trace("initialising sockets");
init_sockets();
// Get number of threads.
int num_threads =
(options_get()->seen_num_threads? options_get()->val_num_threads:
NUM_THREADS_DEFAULT);
if (num_threads < 1 || num_threads > NUM_THREADS_MAX)
{
error("unable to spawn %d threads; expected a number within the "
"range 1..%u", num_threads, NUM_THREADS_MAX);
}
// Create configuration server thread.
trace("launching configuration server thread");
if (thread_lock_init(&config_lock))
{
error("unable to initialise global configuration lock");
}
thread_t config_thread;
if (!options_get()->seen_no_ui &&
thread_create(&config_thread, configuration_thread, NULL) != 0)
{
error("unable to create configuration server thread");
}
// Open the packet capture/injection device driver.
trace("initialising packet capture");
if (!options_get()->seen_no_capture)
{
init_capture();
}
// Open the tunnels.
trace("initialising tunnels");
tunnel_file_read();
tunnel_open();
// Go to sleep if we are not capturing packets.
while (options_get()->seen_no_capture)
{
sleeptime(UINT64_MAX);
}
// Start worker threads.
for (int i = 1; i < num_threads; i++)
{
thread_t work_thread;
if (thread_create(&work_thread, worker_thread, NULL) != 0)
{
error("unable to create worker thread");
}
}
worker_thread((void *)0);
return EXIT_SUCCESS;
}