zend_mm_dev_zero_fd 200 Zend/zend_alloc.c static int zend_mm_dev_zero_fd = -1; zend_mm_dev_zero_fd 204 Zend/zend_alloc.c if (zend_mm_dev_zero_fd == -1) { zend_mm_dev_zero_fd 205 Zend/zend_alloc.c zend_mm_dev_zero_fd = open("/dev/zero", O_RDWR, S_IRUSR | S_IWUSR); zend_mm_dev_zero_fd 207 Zend/zend_alloc.c if (zend_mm_dev_zero_fd >= 0) { zend_mm_dev_zero_fd 216 Zend/zend_alloc.c close(zend_mm_dev_zero_fd); zend_mm_dev_zero_fd 222 Zend/zend_alloc.c zend_mm_segment *ret = (zend_mm_segment*)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, zend_mm_dev_zero_fd, 0);