diff options
Diffstat (limited to 'debian')
-rw-r--r-- | debian/patches/ihash0001-libihash-fix-index-computation.patch | 44 | ||||
-rw-r--r-- | debian/patches/ihash0002-libihash-keep-track-of-free-slots.patch | 89 | ||||
-rw-r--r-- | debian/patches/series | 2 |
3 files changed, 0 insertions, 135 deletions
diff --git a/debian/patches/ihash0001-libihash-fix-index-computation.patch b/debian/patches/ihash0001-libihash-fix-index-computation.patch deleted file mode 100644 index 9a98528b..00000000 --- a/debian/patches/ihash0001-libihash-fix-index-computation.patch +++ /dev/null @@ -1,44 +0,0 @@ -From f318ac5b55327ba8787d675b3f2470644b7a81e8 Mon Sep 17 00:00:00 2001 -From: Justus Winter <justus@gnupg.org> -Date: Thu, 28 Apr 2016 23:59:26 +0200 -Subject: [PATCH hurd 1/2] libihash: fix index computation - -Previously, find_index would return a suboptimal slot if a tombstone -was in the optimal slot. - -* libihash/ihash.c (find_index): Fix index computation. ---- - libihash/ihash.c | 7 +------ - 1 file changed, 1 insertion(+), 6 deletions(-) - -diff --git a/libihash/ihash.c b/libihash/ihash.c -index 4bc54fd..01ba23b 100644 ---- a/libihash/ihash.c -+++ b/libihash/ihash.c -@@ -81,15 +81,9 @@ find_index (hurd_ihash_t ht, hurd_ihash_key_t key) - - idx = hash (ht, key) & mask; - -- if (ht->items[idx].value == _HURD_IHASH_EMPTY -- || compare (ht, ht->items[idx].key, key)) -- return idx; -- - up_idx = idx; -- - do - { -- up_idx = (up_idx + 1) & mask; - if (ht->items[up_idx].value == _HURD_IHASH_EMPTY) - return first_deleted_set ? first_deleted : up_idx; - if (compare (ht, ht->items[up_idx].key, key)) -@@ -97,6 +91,7 @@ find_index (hurd_ihash_t ht, hurd_ihash_key_t key) - if (! first_deleted_set - && ht->items[up_idx].value == _HURD_IHASH_DELETED) - first_deleted = up_idx, first_deleted_set = 1; -+ up_idx = (up_idx + 1) & mask; - } - while (up_idx != idx); - --- -2.1.4 - diff --git a/debian/patches/ihash0002-libihash-keep-track-of-free-slots.patch b/debian/patches/ihash0002-libihash-keep-track-of-free-slots.patch deleted file mode 100644 index 2000c7f7..00000000 --- a/debian/patches/ihash0002-libihash-keep-track-of-free-slots.patch +++ /dev/null @@ -1,89 +0,0 @@ -From a85bf3db7ccc42b8e4520991bafa3d0675f2c74d Mon Sep 17 00:00:00 2001 -From: Justus Winter <justus@gnupg.org> -Date: Thu, 28 Apr 2016 20:11:27 +0200 -Subject: [PATCH hurd 2/2] libihash: keep track of free slots - -* libihash/ihash.c (hurd_ihash_init): Init new field 'nr_free'. -(add_one): Decrement counter if a free slot is used. -(hurd_ihash_locp_add): Likewise. -(hurd_ihash_add): Reset counter on reallocation. -* libihash/ihash.h (struct hurd_ihash): New field 'nr_free'. -(hurd_ihash_get_effective_load): New function. ---- - libihash/ihash.c | 9 +++++++++ - libihash/ihash.h | 11 +++++++++++ - 2 files changed, 20 insertions(+) - -diff --git a/libihash/ihash.c b/libihash/ihash.c -index 01ba23b..800f492 100644 ---- a/libihash/ihash.c -+++ b/libihash/ihash.c -@@ -131,6 +131,7 @@ hurd_ihash_init (hurd_ihash_t ht, intptr_t locp_offs) - ht->cleanup = 0; - ht->fct_hash = NULL; - ht->fct_cmp = NULL; -+ ht->nr_free = 0; - } - - -@@ -246,6 +247,11 @@ add_one (hurd_ihash_t ht, hurd_ihash_key_t key, hurd_ihash_value_t value) - if (index_empty (ht, idx)) - { - ht->nr_items++; -+ if (ht->items[idx].value == _HURD_IHASH_EMPTY) -+ { -+ assert (ht->nr_free > 0); -+ ht->nr_free--; -+ } - ht->items[idx].value = value; - ht->items[idx].key = key; - -@@ -290,6 +296,8 @@ hurd_ihash_locp_add (hurd_ihash_t ht, hurd_ihash_locp_t locp, - { - item->key = key; - ht->nr_items += 1; -+ assert (ht->nr_free > 0); -+ ht->nr_free -= 1; - } - else - { -@@ -335,6 +343,7 @@ hurd_ihash_add (hurd_ihash_t ht, hurd_ihash_key_t key, hurd_ihash_value_t item) - ht->size = HURD_IHASH_MIN_SIZE; - else - ht->size <<= 1; -+ ht->nr_free = ht->size; - - /* calloc() will initialize all values to _HURD_IHASH_EMPTY implicitly. */ - ht->items = calloc (ht->size, sizeof (struct _hurd_ihash_item)); -diff --git a/libihash/ihash.h b/libihash/ihash.h -index 356f647..80679f1 100644 ---- a/libihash/ihash.h -+++ b/libihash/ihash.h -@@ -113,6 +113,9 @@ struct hurd_ihash - /* User-supplied functions for the generalized key interface. */ - hurd_ihash_fct_hash_t fct_hash; - hurd_ihash_fct_cmp_t fct_cmp; -+ -+ /* Number of free slots. */ -+ size_t nr_free; - }; - typedef struct hurd_ihash *hurd_ihash_t; - -@@ -225,6 +228,14 @@ hurd_ihash_get_load (hurd_ihash_t ht) - return d >= 0 ? ht->nr_items >> d : ht->nr_items << -d; - } - -+/* Similar, but counts tombstones as well. */ -+static inline unsigned int -+hurd_ihash_get_effective_load (hurd_ihash_t ht) -+{ -+ int d = __builtin_ctzl (ht->size) - 7; -+ return -+ d >= 0 ? (ht->size - ht->nr_free) >> d : (ht->size - ht->nr_free) << -d; -+} - - /* Add ITEM to the hash table HT under the key KEY. If there already - is an item under this key, call the cleanup function (if any) for --- -2.1.4 - diff --git a/debian/patches/series b/debian/patches/series index c114a7cf..56241515 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -50,5 +50,3 @@ startup0002-startup-implement-bits-of-the-fs-and-io-protocols.patch startup0003-startup-add-verbose-parameter.patch startup0004-startup-use-the-generated-default-server-implementat.patch startup0005-startup-write-all-messages-to-stderr.patch -ihash0001-libihash-fix-index-computation.patch -ihash0002-libihash-keep-track-of-free-slots.patch |