void trace_submit(int pid, int *status, int *usedtime, int *usedmem, int timelimit, int casetimelimit, int memlimit, int language, int spj)
{
int pstat, sig, ecode;
struct user_regs_struct regs;
struct rusage usage;
int tmpmem, tmptime, sub=0;
while(1)
{
wait4(pid, &pstat, 0, &usage);
if(language==LANG_JAVA)tmpmem=(usage.ru_minflt*getpagesize())>>10;
else tmpmem=get_proc_status(pid, "VmPeak:");
if(tmpmem>*usedmem)*usedmem=tmpmem;
if(get_file_size("error.out"))
{
*status=JG_RE;
ptrace(PTRACE_KILL, pid, NULL, NULL);
break;
}
if(!spj&&get_file_size("user.out")>get_file_size("data.out")*2+1024)
{
*status=JG_OL;
ptrace(PTRACE_KILL, pid, NULL, NULL);
break;
}
if(WIFEXITED(pstat))break;
ecode=WEXITSTATUS(pstat);
if(ecode==0x05||ecode==0);
else
{
if(*status==JG_AC)
{
switch(ecode)
{
case SIGCHLD:
case SIGALRM:
alarm(0);
case SIGKILL:
case SIGXCPU:
*status=JG_TL;
break;
case SIGXFSZ:
*status=JG_OL;
break;
default:
*status=JG_RE;
}
print_runtime_error(strsignal(ecode));
}
ptrace(PTRACE_KILL, pid, NULL, NULL);
break;
}
if(WIFSIGNALED(pstat))
{
sig=WTERMSIG(pstat);
if(*status==JG_AC)
{
switch(sig)
{
case SIGCHLD:
case SIGALRM:
alarm(0);
case SIGKILL:
case SIGXCPU:
*status=JG_TL;
break;
case SIGXFSZ:
*status=JG_OL;
break;
default:
*status=JG_RE;
}
print_runtime_error(strsignal(sig));
}
break;
}
ptrace(PTRACE_GETREGS, pid, NULL, ®s);
if(oksyscall[regs.REG_SYSCALL]==0)
{
*status=JG_RE;
char msg[MAXLINE+1];
sprintf(msg, "does not allow syscall id:%d name:%s", (int)regs.REG_SYSCALL, syscallname[regs.REG_SYSCALL]);
print_runtime_error(msg);
ptrace(PTRACE_KILL, pid, NULL, NULL);
break;
}
else if(sub==1&&oksyscall[regs.REG_SYSCALL]>0)
--oksyscall[regs.REG_SYSCALL];
sub=1-sub;
ptrace(PTRACE_SYSCALL, pid, NULL, NULL);
}
/*
* Description: Executes the second transition
* Input: 1. Input file handle
* 2. Name of input file
* 3. Code length in memory word
* 4. Data length in memory word
*/
void second_transition_execute(FILE* pFile, char* file_name_without_extension, unsigned int previous_transition_ic, unsigned int previous_transition_dc) {
compiler_output_files output_files;
int line_number = 0;
/* Creates transition first data */
transition_data* transition = create_transition_data();
if (transition == NULL) {
return;
}
/* Create ob file */
output_files.ob_file = create_output_file(file_name_without_extension, CODE_FILE_EXT);
if (output_files.ob_file == NULL) {
return;
}
output_files.entry_file = NULL;
output_files.extern_file = NULL;
/* Write first line to ob file */
write_code_and_data_size_to_output_file(previous_transition_ic, previous_transition_dc, output_files.ob_file);
/* Step 1 - Initializes IC to zero*/
transition->IC = 0;
/* Reads all code lines */
while (!feof(pFile) && !transition->is_runtimer_error) {
char line[MAX_LINE_LENGTH];
line_number++;
/* Step 2 - Read next line*/
if (fgets(line, MAX_LINE_LENGTH + 1, pFile)) {
/* This isn't an empty line or a comment */
if (!is_empty_or_comment(line)) {
transition->current_line_information =
create_line_info(file_name_without_extension, line_number, line);
/* Process line */
if (transition->current_line_information != NULL) {
second_transition_process_line(transition, &output_files);
free(transition->current_line_information);
} else {
transition->is_runtimer_error = true;
}
}
}
}
/* No error has occurred */
if (!transition->is_runtimer_error && !transition->is_compiler_error) {
/* Write data initialization section into ob file */
write_data_to_output_file(output_files.ob_file);
/* Close files */
if (output_files.ob_file != NULL) {
fclose(output_files.ob_file);
}
if (output_files.extern_file != NULL) {
fclose(output_files.extern_file);
}
if (output_files.entry_file != NULL) {
fclose(output_files.entry_file);
}
} else {
/* Close and delete file */
if (output_files.ob_file != NULL) {
char* full_name = allocate_string(strlen(file_name_without_extension) + strlen(CODE_FILE_EXT));
fclose(output_files.ob_file);
if (full_name != NULL) {
strcpy(full_name, file_name_without_extension);
strcat(full_name, CODE_FILE_EXT);
remove(full_name);
free(full_name);
} else {
print_runtime_error("Couldn't delete compilation files");
}
}
/* Close and delete file */
if (output_files.extern_file != NULL) {
char* full_name = allocate_string(strlen(file_name_without_extension) + strlen(EXTERN_FILE_EXT));
fclose(output_files.extern_file);
if (full_name != NULL) {
strcpy(full_name, file_name_without_extension);
strcat(full_name, EXTERN_FILE_EXT);
remove(full_name);
free(full_name);
} else {
print_runtime_error("Couldn't delete compilation files");
}
}
/* Close and delete file */
if (output_files.entry_file != NULL) {
char* full_name = allocate_string(strlen(file_name_without_extension) + strlen(ENTRY_FILE_EXT));
fclose(output_files.entry_file);
if (full_name != NULL) {
strcpy(full_name, file_name_without_extension);
strcat(full_name, ENTRY_FILE_EXT);
remove(full_name);
free(full_name);
} else {
print_runtime_error("Couldn't delete compilation files");
}
}
}
}
