/*
* Read in from stdin and run MD5 on the input
*/
static void read_file(const char *filename)
{
unsigned char sig[MD5_SIZE];
char buffer[4096];
md5_t md5;
int ret;
FILE *stream;
if (strcmp(filename, "-") == 0) {
stream = stdin;
}
else {
stream = fopen(filename, "r");
if (stream == NULL) {
perror(filename);
exit(1);
}
}
md5_init(&md5);
/* iterate over file */
while (1) {
/* read in from our file */
ret = fread(buffer, sizeof(char), sizeof(buffer), stream);
if (ret <= 0)
break;
/* process our buffer buffer */
md5_process(&md5, buffer, ret);
}
md5_finish(&md5, sig);
if (stream != stdin) {
(void)fclose(stream);
}
(void)printf("%25s '", "Resulting signature:");
print_sig(sig);
(void)printf("'\n");
/* convert to string to print */
md5_sig_to_string(sig, buffer, sizeof(buffer));
(void)printf("%25s '%s'\n", "Results of md5_to_string:", buffer);
/* now we convert it from string back into the sig */
md5_sig_from_string(sig, buffer);
(void)printf("%25s '", "After md5_from_string:");
print_sig(sig);
(void)printf("'\n");
}
void sighandler(int sig){
message_t msgsnd, msgrcv;
printf("\ncompute get signal ");
print_sig(sig);
msgsnd.type= CEND;
msgsnd.id= getpid();
msgsnd.data= (finished= TRUE? n: n-1);
if(my_send(fds, &msgsnd, sizeof(message_t), 0)== -1){
fprintf(stderr, "my_send\n");
close(fds);
exit(EXIT_FAILURE);
}
if(my_recv(fds, &msgrcv, sizeof(message_t), 0)== -1){
fprintf(stderr, "my_recv\n");
close(fds);
exit(EXIT_FAILURE);
}
if(msgrcv.type!= CEND){
fprintf(stderr, "unexpected type\n");
close(fds);
exit(EXIT_FAILURE);
}
close(fds);
exit(EXIT_SUCCESS);
}
int main()
{
signal(2, handler);
sigset_t s, p, o;
sigemptyset(&s);
sigemptyset(&o);
sigaddset(&s, SIGINT);
sigprocmask(SIG_SETMASK, &s, &o);
int count = 0;
while(1)
{
sigemptyset(&p);
sigpending(&p);
print_sig(&p);
sleep(1);
if(count++ == 10)
{
sigprocmask(SIG_SETMASK, &o, NULL);
printf("recover block\n");
sleep(3);
}
}
return 0;
}
void handler(int signo){
int i;
printf("\nenter manage handler\n");
print_sig(signo);
// loop and find active compute processes, no need a queue to keep track
for(i=0; i< NUM_PROC; i++){
if(seg->proc[i].pid !=(pid_t)0){
kill(seg->proc[i].pid, SIGINT);
printf("\n send signal to compute process: %d\n", seg->proc[i].pid);
}
}
sleep(5);
shmdt((void*)seg);
struct shmid_ds ds;
shmctl(shmid, IPC_STAT, &ds);
printf("nattch before calling rm: %ld\n", ds.shm_nattch);
if(shmctl(shmid, IPC_RMID, NULL)== -1){
perror("shmctl rm");
exit(EXIT_FAILURE);
}
if(msgctl(msqid, IPC_RMID, NULL)== -1){
perror("msgctl rm");
exit(EXIT_FAILURE);
}
exit(EXIT_SUCCESS);
}
void jl_type_infer(jl_lambda_info_t *li, jl_tuple_t *argtypes,
jl_lambda_info_t *def)
{
int last_ii = jl_in_inference;
jl_in_inference = 1;
if (jl_typeinf_func != NULL) {
// TODO: this should be done right before code gen, so if it is
// interrupted we can try again the next time the function is
// called
assert(li->inInference == 0);
li->inInference = 1;
jl_value_t *fargs[4];
fargs[0] = (jl_value_t*)li;
fargs[1] = (jl_value_t*)argtypes;
fargs[2] = (jl_value_t*)jl_null;
fargs[3] = (jl_value_t*)def;
#ifdef TRACE_INFERENCE
ios_printf(ios_stderr,"inference on %s(", li->name->name);
print_sig(argtypes);
ios_printf(ios_stderr, ")\n");
#endif
#ifdef ENABLE_INFERENCE
jl_value_t *newast = jl_apply(jl_typeinf_func, fargs, 4);
li->ast = jl_tupleref(newast, 0);
li->inferred = jl_true;
#endif
li->inInference = 0;
}
jl_in_inference = last_ii;
}
// if signal comes before report send out request, shall report send terminate msg?
void handler(int sig){
printf("\nenter report handler\n");
print_sig(sig);
message_t msgsnd;
msgsnd.id= getpid();
msgsnd.type= (flag==TRUE? RKILL: REPORT);
if(my_send(fds, &msgsnd, sizeof(message_t), 0)!= sizeof(message_t)){
exit(EXIT_FAILURE);
}
close(fds);
exit(EXIT_SUCCESS);
}
static void print_sig(jl_tuple_t *type)
{
size_t i;
for(i=0; i < type->length; i++) {
if (i > 0) ios_printf(ios_stderr, ", ");
jl_value_t *v = jl_tupleref(type,i);
if (jl_is_tuple(v)) {
ios_putc('(', ios_stderr);
print_sig((jl_tuple_t*)v);
ios_putc(')', ios_stderr);
}
else {
ios_printf(ios_stderr, "%s", type_summary(v));
}
}
}
