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authorkikht <kikht@yandex-team.ru>2022-02-10 16:45:14 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:14 +0300
commit194cae0e8855b11be2005e1eff12c660c3ee9774 (patch)
treeed29c437b616690880c017855ebe0be34fdf81a2 /contrib/libs/libevent/minheap-internal.h
parent49116032d905455a7b1c994e4a696afc885c1e71 (diff)
downloadydb-194cae0e8855b11be2005e1eff12c660c3ee9774.tar.gz
Restoring authorship annotation for <kikht@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/libevent/minheap-internal.h')
-rw-r--r--contrib/libs/libevent/minheap-internal.h128
1 files changed, 64 insertions, 64 deletions
diff --git a/contrib/libs/libevent/minheap-internal.h b/contrib/libs/libevent/minheap-internal.h
index b3a0eb1fb5..ee5138ea0e 100644
--- a/contrib/libs/libevent/minheap-internal.h
+++ b/contrib/libs/libevent/minheap-internal.h
@@ -25,11 +25,11 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifndef MINHEAP_INTERNAL_H_INCLUDED_
-#define MINHEAP_INTERNAL_H_INCLUDED_
+#ifndef MINHEAP_INTERNAL_H_INCLUDED_
+#define MINHEAP_INTERNAL_H_INCLUDED_
#include "event2/event-config.h"
-#include "evconfig-private.h"
+#include "evconfig-private.h"
#include "event2/event.h"
#include "event2/event_struct.h"
#include "event2/util.h"
@@ -42,41 +42,41 @@ typedef struct min_heap
unsigned n, a;
} min_heap_t;
-static inline void min_heap_ctor_(min_heap_t* s);
-static inline void min_heap_dtor_(min_heap_t* s);
-static inline void min_heap_elem_init_(struct event* e);
-static inline int min_heap_elt_is_top_(const struct event *e);
-static inline int min_heap_empty_(min_heap_t* s);
-static inline unsigned min_heap_size_(min_heap_t* s);
-static inline struct event* min_heap_top_(min_heap_t* s);
-static inline int min_heap_reserve_(min_heap_t* s, unsigned n);
-static inline int min_heap_push_(min_heap_t* s, struct event* e);
-static inline struct event* min_heap_pop_(min_heap_t* s);
-static inline int min_heap_adjust_(min_heap_t *s, struct event* e);
-static inline int min_heap_erase_(min_heap_t* s, struct event* e);
+static inline void min_heap_ctor_(min_heap_t* s);
+static inline void min_heap_dtor_(min_heap_t* s);
+static inline void min_heap_elem_init_(struct event* e);
+static inline int min_heap_elt_is_top_(const struct event *e);
+static inline int min_heap_empty_(min_heap_t* s);
+static inline unsigned min_heap_size_(min_heap_t* s);
+static inline struct event* min_heap_top_(min_heap_t* s);
+static inline int min_heap_reserve_(min_heap_t* s, unsigned n);
+static inline int min_heap_push_(min_heap_t* s, struct event* e);
+static inline struct event* min_heap_pop_(min_heap_t* s);
+static inline int min_heap_adjust_(min_heap_t *s, struct event* e);
+static inline int min_heap_erase_(min_heap_t* s, struct event* e);
static inline void min_heap_shift_up_(min_heap_t* s, unsigned hole_index, struct event* e);
-static inline void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e);
+static inline void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e);
static inline void min_heap_shift_down_(min_heap_t* s, unsigned hole_index, struct event* e);
-#define min_heap_elem_greater(a, b) \
- (evutil_timercmp(&(a)->ev_timeout, &(b)->ev_timeout, >))
+#define min_heap_elem_greater(a, b) \
+ (evutil_timercmp(&(a)->ev_timeout, &(b)->ev_timeout, >))
-void min_heap_ctor_(min_heap_t* s) { s->p = 0; s->n = 0; s->a = 0; }
-void min_heap_dtor_(min_heap_t* s) { if (s->p) mm_free(s->p); }
-void min_heap_elem_init_(struct event* e) { e->ev_timeout_pos.min_heap_idx = -1; }
-int min_heap_empty_(min_heap_t* s) { return 0u == s->n; }
-unsigned min_heap_size_(min_heap_t* s) { return s->n; }
-struct event* min_heap_top_(min_heap_t* s) { return s->n ? *s->p : 0; }
+void min_heap_ctor_(min_heap_t* s) { s->p = 0; s->n = 0; s->a = 0; }
+void min_heap_dtor_(min_heap_t* s) { if (s->p) mm_free(s->p); }
+void min_heap_elem_init_(struct event* e) { e->ev_timeout_pos.min_heap_idx = -1; }
+int min_heap_empty_(min_heap_t* s) { return 0u == s->n; }
+unsigned min_heap_size_(min_heap_t* s) { return s->n; }
+struct event* min_heap_top_(min_heap_t* s) { return s->n ? *s->p : 0; }
-int min_heap_push_(min_heap_t* s, struct event* e)
+int min_heap_push_(min_heap_t* s, struct event* e)
{
- if (s->n == UINT32_MAX || min_heap_reserve_(s, s->n + 1))
+ if (s->n == UINT32_MAX || min_heap_reserve_(s, s->n + 1))
return -1;
min_heap_shift_up_(s, s->n++, e);
return 0;
}
-struct event* min_heap_pop_(min_heap_t* s)
+struct event* min_heap_pop_(min_heap_t* s)
{
if (s->n)
{
@@ -88,12 +88,12 @@ struct event* min_heap_pop_(min_heap_t* s)
return 0;
}
-int min_heap_elt_is_top_(const struct event *e)
+int min_heap_elt_is_top_(const struct event *e)
{
return e->ev_timeout_pos.min_heap_idx == 0;
}
-int min_heap_erase_(min_heap_t* s, struct event* e)
+int min_heap_erase_(min_heap_t* s, struct event* e)
{
if (-1 != e->ev_timeout_pos.min_heap_idx)
{
@@ -105,7 +105,7 @@ int min_heap_erase_(min_heap_t* s, struct event* e)
to be less than the parent, it can't need to shift both up and
down. */
if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], last))
- min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, last);
+ min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, last);
else
min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, last);
e->ev_timeout_pos.min_heap_idx = -1;
@@ -114,34 +114,34 @@ int min_heap_erase_(min_heap_t* s, struct event* e)
return -1;
}
-int min_heap_adjust_(min_heap_t *s, struct event *e)
-{
- if (-1 == e->ev_timeout_pos.min_heap_idx) {
- return min_heap_push_(s, e);
- } else {
- unsigned parent = (e->ev_timeout_pos.min_heap_idx - 1) / 2;
- /* The position of e has changed; we shift it up or down
- * as needed. We can't need to do both. */
- if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], e))
- min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, e);
- else
- min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, e);
- return 0;
- }
-}
-
-int min_heap_reserve_(min_heap_t* s, unsigned n)
+int min_heap_adjust_(min_heap_t *s, struct event *e)
{
+ if (-1 == e->ev_timeout_pos.min_heap_idx) {
+ return min_heap_push_(s, e);
+ } else {
+ unsigned parent = (e->ev_timeout_pos.min_heap_idx - 1) / 2;
+ /* The position of e has changed; we shift it up or down
+ * as needed. We can't need to do both. */
+ if (e->ev_timeout_pos.min_heap_idx > 0 && min_heap_elem_greater(s->p[parent], e))
+ min_heap_shift_up_unconditional_(s, e->ev_timeout_pos.min_heap_idx, e);
+ else
+ min_heap_shift_down_(s, e->ev_timeout_pos.min_heap_idx, e);
+ return 0;
+ }
+}
+
+int min_heap_reserve_(min_heap_t* s, unsigned n)
+{
if (s->a < n)
{
struct event** p;
unsigned a = s->a ? s->a * 2 : 8;
if (a < n)
a = n;
-#if (SIZE_MAX == UINT32_MAX)
- if (a > SIZE_MAX / sizeof *p)
- return -1;
-#endif
+#if (SIZE_MAX == UINT32_MAX)
+ if (a > SIZE_MAX / sizeof *p)
+ return -1;
+#endif
if (!(p = (struct event**)mm_realloc(s->p, a * sizeof *p)))
return -1;
s->p = p;
@@ -150,18 +150,18 @@ int min_heap_reserve_(min_heap_t* s, unsigned n)
return 0;
}
-void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e)
-{
- unsigned parent = (hole_index - 1) / 2;
- do
- {
- (s->p[hole_index] = s->p[parent])->ev_timeout_pos.min_heap_idx = hole_index;
- hole_index = parent;
- parent = (hole_index - 1) / 2;
- } while (hole_index && min_heap_elem_greater(s->p[parent], e));
- (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index;
-}
-
+void min_heap_shift_up_unconditional_(min_heap_t* s, unsigned hole_index, struct event* e)
+{
+ unsigned parent = (hole_index - 1) / 2;
+ do
+ {
+ (s->p[hole_index] = s->p[parent])->ev_timeout_pos.min_heap_idx = hole_index;
+ hole_index = parent;
+ parent = (hole_index - 1) / 2;
+ } while (hole_index && min_heap_elem_greater(s->p[parent], e));
+ (s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index;
+}
+
void min_heap_shift_up_(min_heap_t* s, unsigned hole_index, struct event* e)
{
unsigned parent = (hole_index - 1) / 2;
@@ -189,4 +189,4 @@ void min_heap_shift_down_(min_heap_t* s, unsigned hole_index, struct event* e)
(s->p[hole_index] = e)->ev_timeout_pos.min_heap_idx = hole_index;
}
-#endif /* MINHEAP_INTERNAL_H_INCLUDED_ */
+#endif /* MINHEAP_INTERNAL_H_INCLUDED_ */