Jemalloc updated to 4.4.0.

The original jemalloc source tree was modified to:

1. Remove the configure error that prevents nested builds.
2. Insert the Redis private Jemalloc API in order to allow the
Redis fragmentation function to work.

deps/jemalloc/test/src/mtx.c

@@ -11,6 +11,8 @@ mtx_init(mtx_t *mtx)
 #ifdef _WIN32
 	if (!InitializeCriticalSectionAndSpinCount(&mtx->lock, _CRT_SPINCOUNT))
 		return (true);
+#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
+	mtx->lock = OS_UNFAIR_LOCK_INIT;
 #elif (defined(JEMALLOC_OSSPIN))
 	mtx->lock = 0;
 #else
@@ -33,6 +35,7 @@ mtx_fini(mtx_t *mtx)
 {
 
 #ifdef _WIN32
+#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
 #elif (defined(JEMALLOC_OSSPIN))
 #else
 	pthread_mutex_destroy(&mtx->lock);
@@ -45,6 +48,8 @@ mtx_lock(mtx_t *mtx)
 
 #ifdef _WIN32
 	EnterCriticalSection(&mtx->lock);
+#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
+	os_unfair_lock_lock(&mtx->lock);
 #elif (defined(JEMALLOC_OSSPIN))
 	OSSpinLockLock(&mtx->lock);
 #else
@@ -58,6 +63,8 @@ mtx_unlock(mtx_t *mtx)
 
 #ifdef _WIN32
 	LeaveCriticalSection(&mtx->lock);
+#elif (defined(JEMALLOC_OS_UNFAIR_LOCK))
+	os_unfair_lock_unlock(&mtx->lock);
 #elif (defined(JEMALLOC_OSSPIN))
 	OSSpinLockUnlock(&mtx->lock);
 #else

deps/jemalloc/test/src/test.c

@@ -60,32 +60,30 @@ p_test_fini(void)
 	malloc_printf("%s: %s\n", test_name, test_status_string(test_status));
 }
 
-test_status_t
-p_test(test_t *t, ...)
+static test_status_t
+p_test_impl(bool do_malloc_init, test_t *t, va_list ap)
 {
 	test_status_t ret;
-	va_list ap;
 
-	/*
-	 * Make sure initialization occurs prior to running tests.  Tests are
-	 * special because they may use internal facilities prior to triggering
-	 * initialization as a side effect of calling into the public API.  This
-	 * is a final safety that works even if jemalloc_constructor() doesn't
-	 * run, as for MSVC builds.
-	 */
-	if (nallocx(1, 0) == 0) {
-		malloc_printf("Initialization error");
-		return (test_status_fail);
+	if (do_malloc_init) {
+		/*
+		 * Make sure initialization occurs prior to running tests.
+		 * Tests are special because they may use internal facilities
+		 * prior to triggering initialization as a side effect of
+		 * calling into the public API.
+		 */
+		if (nallocx(1, 0) == 0) {
+			malloc_printf("Initialization error");
+			return (test_status_fail);
+		}
 	}
 
 	ret = test_status_pass;
-	va_start(ap, t);
 	for (; t != NULL; t = va_arg(ap, test_t *)) {
 		t();
 		if (test_status > ret)
 			ret = test_status;
 	}
-	va_end(ap);
 
 	malloc_printf("--- %s: %u/%u, %s: %u/%u, %s: %u/%u ---\n",
 	    test_status_string(test_status_pass),
@@ -98,6 +96,34 @@ p_test(test_t *t, ...)
 	return (ret);
 }
 
+test_status_t
+p_test(test_t *t, ...)
+{
+	test_status_t ret;
+	va_list ap;
+
+	ret = test_status_pass;
+	va_start(ap, t);
+	ret = p_test_impl(true, t, ap);
+	va_end(ap);
+
+	return (ret);
+}
+
+test_status_t
+p_test_no_malloc_init(test_t *t, ...)
+{
+	test_status_t ret;
+	va_list ap;
+
+	ret = test_status_pass;
+	va_start(ap, t);
+	ret = p_test_impl(false, t, ap);
+	va_end(ap);
+
+	return (ret);
+}
+
 void
 p_test_fail(const char *prefix, const char *message)
 {

deps/jemalloc/test/src/timer.c

@@ -4,50 +4,26 @@ void
 timer_start(timedelta_t *timer)
 {
 
-#ifdef _WIN32
-	GetSystemTimeAsFileTime(&timer->ft0);
-#elif JEMALLOC_CLOCK_GETTIME
-	if (sysconf(_SC_MONOTONIC_CLOCK) <= 0)
-		timer->clock_id = CLOCK_REALTIME;
-	else
-		timer->clock_id = CLOCK_MONOTONIC;
-	clock_gettime(timer->clock_id, &timer->ts0);
-#else
-	gettimeofday(&timer->tv0, NULL);
-#endif
+	nstime_init(&timer->t0, 0);
+	nstime_update(&timer->t0);
 }
 
 void
 timer_stop(timedelta_t *timer)
 {
 
-#ifdef _WIN32
-	GetSystemTimeAsFileTime(&timer->ft0);
-#elif JEMALLOC_CLOCK_GETTIME
-	clock_gettime(timer->clock_id, &timer->ts1);
-#else
-	gettimeofday(&timer->tv1, NULL);
-#endif
+	nstime_copy(&timer->t1, &timer->t0);
+	nstime_update(&timer->t1);
 }
 
 uint64_t
 timer_usec(const timedelta_t *timer)
 {
+	nstime_t delta;
 
-#ifdef _WIN32
-	uint64_t t0, t1;
-	t0 = (((uint64_t)timer->ft0.dwHighDateTime) << 32) |
-	    timer->ft0.dwLowDateTime;
-	t1 = (((uint64_t)timer->ft1.dwHighDateTime) << 32) |
-	    timer->ft1.dwLowDateTime;
-	return ((t1 - t0) / 10);
-#elif JEMALLOC_CLOCK_GETTIME
-	return (((timer->ts1.tv_sec - timer->ts0.tv_sec) * 1000000) +
-	    (timer->ts1.tv_nsec - timer->ts0.tv_nsec) / 1000);
-#else
-	return (((timer->tv1.tv_sec - timer->tv0.tv_sec) * 1000000) +
-	    timer->tv1.tv_usec - timer->tv0.tv_usec);
-#endif
+	nstime_copy(&delta, &timer->t1);
+	nstime_subtract(&delta, &timer->t0);
+	return (nstime_ns(&delta) / 1000);
 }
 
 void
@@ -56,9 +32,8 @@ timer_ratio(timedelta_t *a, timedelta_t *b, char *buf, size_t buflen)
 	uint64_t t0 = timer_usec(a);
 	uint64_t t1 = timer_usec(b);
 	uint64_t mult;
-	unsigned i = 0;
-	unsigned j;
-	int n;
+	size_t i = 0;
+	size_t j, n;
 
 	/* Whole. */
 	n = malloc_snprintf(&buf[i], buflen-i, "%"FMTu64, t0 / t1);