#include <stdlib.h>
#include "libc.h"
+#include "lock.h"
#define COUNT 32
static void (*funcs[COUNT])(void);
static int count;
-static int lock[2];
+static volatile int lock[1];
void __funcs_on_quick_exit()
{
int at_quick_exit(void (*func)(void))
{
- if (count == 32) return -1;
+ int r = 0;
LOCK(lock);
- funcs[count++] = func;
+ if (count == 32) r = -1;
+ else funcs[count++] = func;
UNLOCK(lock);
- return 0;
+ return r;
}