--- /dev/null
+#define CCAN_TIMER_DEBUG
+/* Include the C files directly. */
+#include <ccan/timer/timer.c>
+#include <ccan/tap/tap.h>
+
+static void *test_alloc(size_t len, void *arg)
+{
+ (*(size_t *)arg)++;
+ return malloc(len);
+}
+
+static void test_free(const void *p, void *arg)
+{
+ if (p) {
+ (*(size_t *)arg)--;
+ free((void *)p);
+ }
+}
+
+static struct timemono timemono_from_nsec(unsigned long long nsec)
+{
+ struct timemono epoch = { { 0, 0 } };
+ return timemono_add(epoch, time_from_nsec(nsec));
+}
+
+int main(void)
+{
+ struct timers timers;
+ struct timer t[64];
+ size_t num_allocs = 0;
+ const struct timemono epoch = { { 0, 0 } };
+
+ plan_tests(7);
+
+ timers_set_allocator(test_alloc, test_free, &num_allocs);
+ timers_init(&timers, epoch);
+ timer_init(&t[0]);
+
+ timer_addmono(&timers, &t[0],
+ timemono_from_nsec(TIMER_GRANULARITY << TIMER_LEVEL_BITS));
+ timers_expire(&timers, timemono_from_nsec(1));
+ ok1(num_allocs == 1);
+ timer_del(&timers, &t[0]);
+ ok1(num_allocs == 1);
+ timers_cleanup(&timers);
+ ok1(num_allocs == 0);
+
+ /* Should restore defaults */
+ timers_set_allocator(NULL, NULL, NULL);
+ ok1(timer_alloc == timer_default_alloc);
+ ok1(timer_free == timer_default_free);
+
+ timers_init(&timers, epoch);
+ timer_addmono(&timers, &t[0],
+ timemono_from_nsec(TIMER_GRANULARITY << TIMER_LEVEL_BITS));
+ ok1(num_allocs == 0);
+ timers_cleanup(&timers);
+ ok1(num_allocs == 0);
+
+ /* This exits depending on whether all tests passed */
+ return exit_status();
+}
struct list_head list[PER_LEVEL];
};
+static void *timer_default_alloc(size_t len, void *arg)
+{
+ return malloc(len);
+}
+
+static void timer_default_free(const void *p, void *arg)
+{
+ free((void *)p);
+}
+
+static void *(*timer_alloc)(size_t, void *) = timer_default_alloc;
+static void (*timer_free)(const void *, void *) = timer_default_free;
+static void *timer_arg;
+
+void timers_set_allocator(void *(*alloc)(size_t len, void *arg),
+ void (*free)(const void *p, void *arg),
+ void *arg)
+{
+ if (!alloc)
+ alloc = timer_default_alloc;
+ if (!free)
+ free = timer_default_free;
+ timer_alloc = alloc;
+ timer_free = free;
+ timer_arg = arg;
+}
+
static uint64_t time_to_grains(struct timemono t)
{
return t.ts.tv_sec * ((uint64_t)1000000000 / TIMER_GRANULARITY)
unsigned int i;
struct list_head from_far;
- l = malloc(sizeof(*l));
+ l = timer_alloc(sizeof(*l), timer_arg);
if (!l)
return;
unsigned int l;
for (l = 0; l < ARRAY_SIZE(timers->level); l++)
- free(timers->level[l]);
+ timer_free(timers->level[l], timer_arg);
}
*/
struct timers *timers_check(const struct timers *t, const char *abortstr);
+/**
+ * timers_set_allocator - set malloc/free functions.
+ * @alloc: allocator to use
+ * @free: unallocator to use (@p is NULL or a return from @alloc)
+ * @arg: argument to pass.
+ *
+ * This replaces the underlying malloc/free with these allocators.
+ * Setting either one to NULL restores the default allocators.
+ */
+void timers_set_allocator(void *(*alloc)(size_t len, void *arg),
+ void (*free)(const void *p, void *arg),
+ void *arg);
+
#ifdef CCAN_TIMER_DEBUG
#include <stdio.h>