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#include <tce/syscall.h>
#include <stdio.h>
#include <stdlib.h>
int threads = 1;
void thread_cascade(void* d) {
int n = (int)d;
char *v = malloc(2048);
if (!v) printk("!");
if (d == 0) {
//printk("{#} 0 cascade element started => end\n");
printk("*");
} else {
if (n < 0) {
//printk("{#} - cascade element started\n");
printk("-");
n = 0 - n;
} else {
//printk("{#} + cascade element started\n");
printk("+");
}
//printk("{#} FORK + ...\n");
printk(">");
threads += 2;
thread_new(thread_cascade, (void*)(n - 1));
//printk("{#} FORK - ...\n");
printk("<");
thread_new(thread_cascade, (void*)(1 - n));
//printk("{#} Thread cascade element finished.\n");
printk(".");
}
free(v);
threads--;
}
void useless_thread(void* d) {
while(1) {
printk("~");
schedule();
}
}
int main(int argc, char** args) {
char**a;
if (args != 0) {
printk("(test) args");
for (a = args; *a != 0; a++) {
printk(" - ");
printk(*a);
}
printk("\n");
}
printk("(test) Creating thread cascade (total 2**6 = 64 threads)\n");
thread_new(useless_thread, 0);
thread_new(thread_cascade, (void*)6);
while (1) {
schedule();
if (threads == 0) break;
}
printk("\n(test) Test process exiting. Press the super key to go to the home terminal.\n");
printf("(test) End.\n");
return 0;
}
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