Function alloc_chunk

src/hx/cppia/sljit_src/sljitProtExecAllocator.c:168–199

}

static SLJIT_INLINE struct chunk_header* alloc_chunk(sljit_uw size)
{
	struct chunk_header *retval;
	int fd;

	fd = create_tempfile();
	if (fd == -1)
		return NULL;

	if (ftruncate(fd, size)) {
		close(fd);
		return NULL;
	}

	retval = (struct chunk_header *)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);

	if (retval == MAP_FAILED) {
		close(fd);
		return NULL;
	}

	retval->executable = mmap(NULL, size, PROT_READ | PROT_EXEC, MAP_SHARED, fd, 0);

	if (retval->executable == MAP_FAILED) {
		munmap(retval, size);
		close(fd);
		return NULL;
	}

	retval->fd = fd;
	return retval;
}

static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size)
{