Exemplos de SCSpinInit em C++ (Cpp)

Exemplo n.º 1

Arquivo: util-time.c Projeto: bmeeks8/suricata

void TimeInit(void)
{
    SCSpinInit(&current_time_spinlock, 0);

    /* Initialize Time Zone settings. */
    tzset();
}

Exemplo n.º 2

Arquivo: flow-hash.c Projeto: Hyperwise/suricata

void FlowHashDebugInit(void)
{
#ifdef FLOW_DEBUG_STATS
    SCSpinInit(&flow_hash_count_lock, 0);
#endif
    flow_hash_count_fp = fopen("flow-debug.log", "w+");
    if (flow_hash_count_fp != NULL) {
        fprintf(flow_hash_count_fp, "ts,all,tcp,udp,icmp,other\n");
    }
}

Exemplo n.º 3

Arquivo: threads.c Projeto: yuecailing/rep_test

/**
 * \brief Test Spinlock Macros
 *
 * Valgrind's DRD tool (valgrind-3.5.0-Debian) reports:
 *
 * ==31156== Recursive locking not allowed: mutex 0x7fefff97c, recursion count 1, owner 1.
 * ==31156==    at 0x4C2C77E: pthread_spin_trylock (drd_pthread_intercepts.c:829)
 * ==31156==    by 0x40EB3E: ThreadMacrosTest02Spinlocks (threads.c:40)
 * ==31156==    by 0x532E8A: UtRunTests (util-unittest.c:182)
 * ==31156==    by 0x4065C3: main (suricata.c:789)
 *
 * To me this is a false positve, as the whole point of "trylock" is to see
 * if a spinlock is actually locked.
 *
 */
int ThreadMacrosTest02Spinlocks(void) {
    SCSpinlock mut;
    int r = 0;
    r |= SCSpinInit(&mut, 0);
    r |= SCSpinLock(&mut);
#ifndef __OpenBSD__
    r |= (SCSpinTrylock(&mut) == EBUSY)? 0 : 1;
#else
    r |= (SCSpinTrylock(&mut) == EDEADLK)? 0 : 1;
#endif
    r |= SCSpinUnlock(&mut);
    r |= SCSpinDestroy(&mut);

    return (r == 0)? 1 : 0;
}

Exemplo n.º 4

Arquivo: util-ringbuffer.c Projeto: Hyperwise/suricata

RingBuffer16 *RingBufferInit(void) {
    RingBuffer16 *rb = SCMalloc(sizeof(RingBuffer16));
    if (unlikely(rb == NULL)) {
        return NULL;
    }

    memset(rb, 0x00, sizeof(RingBuffer16));

    SC_ATOMIC_INIT(rb->write);
    SC_ATOMIC_INIT(rb->read);

    SCSpinInit(&rb->spin, 0);
#ifdef RINGBUFFER_MUTEX_WAIT
    SCMutexInit(&rb->wait_mutex, NULL);
    SCCondInit(&rb->wait_cond, NULL);
#endif
    return rb;
}

Exemplo n.º 5

Arquivo: util-profiling.c Projeto: decanio/suricata-np

static int
ProfilingGenericTicksTest01(void)
{
#define TEST_RUNS 1024
    uint64_t ticks_start = 0;
    uint64_t ticks_end = 0;
    void *ptr[TEST_RUNS];
    int i;

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        ptr[i] = SCMalloc(1024);
    }
    ticks_end = UtilCpuGetTicks();
    printf("malloc(1024) %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCFree(ptr[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCFree(1024) %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    SCMutex m[TEST_RUNS];

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexInit(&m[i], NULL);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexInit() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexLock(&m[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexLock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexUnlock(&m[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexUnlock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCMutexDestroy(&m[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCMutexDestroy() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    SCSpinlock s[TEST_RUNS];

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinInit(&s[i], 0);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinInit() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinLock(&s[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinLock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinUnlock(&s[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinUnlock() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SCSpinDestroy(&s[i]);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SCSpinDestroy() %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    SC_ATOMIC_DECL_AND_INIT(unsigned int, test);
    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        (void) SC_ATOMIC_ADD(test,1);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SC_ATOMIC_ADD %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);

    ticks_start = UtilCpuGetTicks();
    for (i = 0; i < TEST_RUNS; i++) {
        SC_ATOMIC_CAS(&test,i,i+1);
    }
    ticks_end = UtilCpuGetTicks();
    printf("SC_ATOMIC_CAS %"PRIu64"\n", (ticks_end - ticks_start)/TEST_RUNS);
    return 1;
}