25 lines
519 B
C
25 lines
519 B
C
#include "pthread_impl.h"
|
|
#include "atomic.h"
|
|
#include "syscall.h"
|
|
/* cheat and reuse CRTJMP macro from dynlink code */
|
|
#include "dynlink.h"
|
|
|
|
static void *unmap_base;
|
|
static size_t unmap_size;
|
|
static char shared_stack[256];
|
|
|
|
static void do_unmap()
|
|
{
|
|
__syscall(SYS_munmap, unmap_base, unmap_size);
|
|
__syscall(SYS_exit);
|
|
}
|
|
|
|
void __unmapself(void *base, size_t size)
|
|
{
|
|
char *stack = shared_stack + sizeof shared_stack;
|
|
stack -= (uintptr_t)stack % 16;
|
|
unmap_base = base;
|
|
unmap_size = size;
|
|
CRTJMP(do_unmap, stack);
|
|
}
|