C++ (Cpp) os_get_random_bytes示例

示例#1

文件： km_adaptor.c 项目： Timesys/linux-timesys

static void *my_malloc(void *ref, size_t n)
{
	register void *mem;

#ifndef DIAG_MEM_ERRORS
	mem = os_alloc_memory(n, GFP_KERNEL);

#else
	{
		uint32_t rand;
		/* are we feeling lucky ? */
		os_get_random_bytes(&rand, sizeof(rand));
		if ((rand % DIAG_MEM_CONST) == 0) {
			mem = 0;
		} else {
			mem = os_alloc_memory(n, GFP_ATOMIC);
		}
	}
#endif				/* DIAG_MEM_ERRORS */

#ifdef DIAG_MEM
	sprintf(Diag_msg, "API kmalloc: %p for %d\n", mem, n);
	LOG_KDIAG(Diag_msg);
#endif
	ref = 0;		/* unused param warning */
	return mem;
}

示例#2

文件： km_adaptor.c 项目： Timesys/linux-timesys

static sah_Head_Desc *my_alloc_head_desc(void *ref)
{
	register sah_Head_Desc *ptr;

#ifndef DIAG_MEM_ERRORS
	ptr = sah_Alloc_Head_Descriptor();

#else
	{
		uint32_t rand;
		/* are we feeling lucky ? */
		os_get_random_bytes(&rand, sizeof(rand));
		if ((rand % DIAG_MEM_CONST) == 0) {
			ptr = 0;
		} else {
			ptr = sah_Alloc_Head_Descriptor();
		}
	}
#endif
	ref = 0;
	return ptr;
}

示例#3

文件： ut_tm_client.c 项目： OznOg/OpenExanodes

static void __setup_cluster(test_cluster_t *c)
{
    os_get_random_bytes(&c->uuid, sizeof(exa_uuid_t));
    c->tms[0] = NULL;
    c->tms[1] = NULL;
}