#include <pthread.h>
+#include <errno.h>
#include "libc.h"
+#include "lock.h"
+
+#define malloc __libc_malloc
+#define calloc undef
+#define realloc undef
+#define free undef
static struct atfork_funcs {
void (*prepare)(void);
struct atfork_funcs *prev, *next;
} *funcs;
-static int lock[2];
+static volatile int lock[1];
void __fork_handler(int who)
{
int pthread_atfork(void (*prepare)(void), void (*parent)(void), void (*child)(void))
{
struct atfork_funcs *new = malloc(sizeof *new);
- if (!new) return -1;
+ if (!new) return ENOMEM;
LOCK(lock);
new->next = funcs;