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authorDavid Herrmann <dh.herrmann@googlemail.com>2015-06-18 22:05:09 +0200
committerDavid Herrmann <dh.herrmann@googlemail.com>2015-06-18 22:05:09 +0200
commit38489ef8b2998e2015de629d80932ffcb6a2e78c (patch)
treecdf52d75fa8aeecf40a26fbfb271f8dac225e1ab /src/basic/hashmap.c
parent7324b6e4ef7a52be07b9e6c40eafca0560b3561a (diff)
parent4f1b306169c2651f20a20befd18926677a272d8f (diff)
Merge pull request #294 from teg/hashmap-debug-locking-2
hashmap: debug - lock access to the global hashmap list
Diffstat (limited to 'src/basic/hashmap.c')
-rw-r--r--src/basic/hashmap.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/src/basic/hashmap.c b/src/basic/hashmap.c
index e5f05f36f8..7d2a4160c6 100644
--- a/src/basic/hashmap.c
+++ b/src/basic/hashmap.c
@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <errno.h>
+#include <pthread.h>
#include "util.h"
#include "hashmap.h"
@@ -157,6 +158,7 @@ struct hashmap_debug_info {
/* Tracks all existing hashmaps. Get at it from gdb. See sd_dump_hashmaps.py */
static LIST_HEAD(struct hashmap_debug_info, hashmap_debug_list);
+static pthread_mutex_t hashmap_debug_list_mutex = PTHREAD_MUTEX_INITIALIZER;
#define HASHMAP_DEBUG_FIELDS struct hashmap_debug_info debug;
@@ -806,10 +808,12 @@ static struct HashmapBase *hashmap_base_new(const struct hash_ops *hash_ops, enu
}
#ifdef ENABLE_DEBUG_HASHMAP
- LIST_PREPEND(debug_list, hashmap_debug_list, &h->debug);
h->debug.func = func;
h->debug.file = file;
h->debug.line = line;
+ assert_se(pthread_mutex_lock(&hashmap_debug_list_mutex) == 0);
+ LIST_PREPEND(debug_list, hashmap_debug_list, &h->debug);
+ assert_se(pthread_mutex_unlock(&hashmap_debug_list_mutex) == 0);
#endif
return h;
@@ -861,7 +865,9 @@ static void hashmap_free_no_clear(HashmapBase *h) {
assert(!h->n_direct_entries);
#ifdef ENABLE_DEBUG_HASHMAP
+ assert_se(pthread_mutex_lock(&hashmap_debug_list_mutex) == 0);
LIST_REMOVE(debug_list, hashmap_debug_list, &h->debug);
+ assert_se(pthread_mutex_unlock(&hashmap_debug_list_mutex) == 0);
#endif
if (h->from_pool)