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author1 <NotZed@Ximian.com>2001-11-03 03:33:16 +0800
committerMichael Zucci <zucchi@src.gnome.org>2001-11-03 03:33:16 +0800
commitda698af7bf49fa3cb4036046a902a0d31010b0aa (patch)
tree0e155568d58a7a5423c230cfabec68de2b3c0a89
parent5f018c622aca667d51f272b4d13eeaaeda2fd0a9 (diff)
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Move all searching operations outside of any locks except subfolder lock,
2001-11-01 <NotZed@Ximian.com> * camel-vee-folder.c (folder_changed_change): Move all searching operations outside of any locks except subfolder lock, same as build_folder. Fix for #14294. svn path=/trunk/; revision=14571
-rw-r--r--camel/ChangeLog6
-rw-r--r--camel/camel-vee-folder.c133
2 files changed, 86 insertions, 53 deletions
diff --git a/camel/ChangeLog b/camel/ChangeLog
index 992e6c4009..88f557a2a1 100644
--- a/camel/ChangeLog
+++ b/camel/ChangeLog
@@ -1,3 +1,9 @@
+2001-11-01 <NotZed@Ximian.com>
+
+ * camel-vee-folder.c (folder_changed_change): Move all searching
+ operations outside of any locks except subfolder lock, same as
+ build_folder. Fix for #14294.
+
2001-10-31 <NotZed@Ximian.com>
* providers/local/camel-spool-folder.c (spool_get_message): Same
diff --git a/camel/camel-vee-folder.c b/camel/camel-vee-folder.c
index 91e42dc287..5ddd90d5b7 100644
--- a/camel/camel-vee-folder.c
+++ b/camel/camel-vee-folder.c
@@ -1272,7 +1272,11 @@ folder_changed_change(CamelSession *session, CamelSessionThreadMsg *msg)
CamelVeeMessageInfo *vinfo;
int i, vuidlen = 0;
CamelFolderChangeInfo *vf_changes = NULL, *unmatched_changes = NULL;
- GPtrArray *matches, *newchanged = NULL, *changed;
+ GPtrArray *matches_added = NULL, /* newly added, that match */
+ *matches_changed = NULL, /* newly changed, that now match */
+ *newchanged = NULL,
+ *changed;
+ GPtrArray *always_changed = NULL;
GHashTable *matches_hash;
/* Check the folder hasn't beem removed while we weren't watching */
@@ -1281,13 +1285,55 @@ folder_changed_change(CamelSession *session, CamelSessionThreadMsg *msg)
CAMEL_VEE_FOLDER_UNLOCK(vf, subfolder_lock);
return;
}
- CAMEL_VEE_FOLDER_UNLOCK(vf, subfolder_lock);
+
+ camel_vee_folder_hash_folder(sub, hash);
+
+ /* Lookup anything before we lock anything, to avoid deadlock with build_folder */
+
+ /* Find newly added that match */
+ if (changes->uid_added->len > 0) {
+ dd(printf(" Searching for added matches '%s'\n", vf->expression));
+ matches_added = camel_folder_search_by_uids(sub, vf->expression, changes->uid_added, NULL);
+ }
+
+ /* TODO:
+ In this code around here, we can work out if the search will affect the changes
+ we had, and only re-search against them if they might have */
+
+ /* Search for changed items that newly match, but only if we dont have them */
+ changed = changes->uid_changed;
+ if (changed->len > 0) {
+ dd(printf(" Searching for changed matches '%s'\n", vf->expression));
+
+ if ((vf->flags & CAMEL_STORE_VEE_FOLDER_AUTO) == 0) {
+ newchanged = g_ptr_array_new();
+ always_changed = g_ptr_array_new();
+ for (i=0;i<changed->len;i++) {
+ uid = changed->pdata[i];
+ if (strlen(uid)+9 > vuidlen) {
+ vuidlen = strlen(uid)+64;
+ vuid = g_realloc(vuid, vuidlen);
+ }
+ memcpy(vuid, hash, 8);
+ strcpy(vuid+8, uid);
+ vinfo = (CamelVeeMessageInfo *)camel_folder_summary_uid(folder->summary, vuid);
+ if (vinfo == NULL) {
+ g_ptr_array_add(newchanged, (char *)uid);
+ } else {
+ g_ptr_array_add(always_changed, (char *)uid);
+ camel_folder_summary_info_free(folder->summary, (CamelMessageInfo *)vinfo);
+ }
+ }
+ changed = newchanged;
+ }
+
+ if (changed->len)
+ matches_changed = camel_folder_search_by_uids(sub, vf->expression, changed, NULL);
+ }
CAMEL_VEE_FOLDER_LOCK(vf, summary_lock);
CAMEL_VEE_FOLDER_LOCK(folder_unmatched, summary_lock);
- camel_vee_folder_hash_folder(sub, hash);
-
dd(printf("Vfolder '%s' subfolder changed '%s'\n", folder->full_name, sub->full_name));
dd(printf(" changed %d added %d removed %d\n", changes->uid_changed->len, changes->uid_added->len, changes->uid_removed->len));
@@ -1296,59 +1342,30 @@ folder_changed_change(CamelSession *session, CamelSessionThreadMsg *msg)
dd(printf(" removing uid '%s'\n", (char *)changes->uid_removed->pdata[i]));
folder_changed_remove_uid(sub, changes->uid_removed->pdata[i], hash, FALSE, vf);
}
-
- /* Always add any new uid's, if they match */
- if (changes->uid_added->len > 0)
- dd(printf(" Searching for added matches '%s'\n", vf->expression));
- if (changes->uid_added->len > 0
- && (matches = camel_folder_search_by_uids(sub, vf->expression, changes->uid_added, NULL))) {
- for (i=0;i<matches->len;i++) {
- dd(printf(" adding uid '%s' [newly matched]\n", (char *)matches->pdata[i]));
- folder_changed_add_uid(sub, matches->pdata[i], hash, vf);
+ /* Add any newly matched */
+ if (matches_added) {
+ for (i=0;i<matches_added->len;i++) {
+ dd(printf(" adding uid '%s' [newly matched]\n", (char *)matches_added->pdata[i]));
+ folder_changed_add_uid(sub, matches_added->pdata[i], hash, vf);
}
- camel_folder_search_free(sub, matches);
}
- if (changes->uid_changed->len > 0)
- dd(printf(" Searching for changed matches '%s'\n", vf->expression));
-
- /* TODO:
- In this code around here, we can work out if the search will affect the changes
- we had, and only re-search against them if they might have */
-
- matches = NULL;
- changed = changes->uid_changed;
- if (changed->len
- && (vf->flags & CAMEL_STORE_VEE_FOLDER_AUTO) == 0) {
- newchanged = g_ptr_array_new();
- for (i=0;i<changed->len;i++) {
- uid = changed->pdata[i];
- if (strlen(uid)+9 > vuidlen) {
- vuidlen = strlen(uid)+64;
- vuid = g_realloc(vuid, vuidlen);
- }
- memcpy(vuid, hash, 8);
- strcpy(vuid+8, uid);
- vinfo = (CamelVeeMessageInfo *)camel_folder_summary_uid(folder->summary, vuid);
- if (vinfo == NULL)
- g_ptr_array_add(newchanged, (char *)uid);
- else {
- camel_folder_summary_info_free(folder->summary, (CamelMessageInfo *)vinfo);
- folder_changed_change_uid(sub, uid, hash, vf);
- }
- }
- changed = newchanged;
+ /* Change any newly changed */
+ if (always_changed) {
+ for (i=0;i<always_changed->len;i++)
+ folder_changed_change_uid(sub, always_changed->pdata[i], hash, vf);
+ g_ptr_array_free(always_changed, TRUE);
}
- if (changed->len
- && (matches = camel_folder_search_by_uids(sub, vf->expression, changed, NULL))) {
+ /* Change/add/remove any changed */
+ if (matches_changed) {
/* If we are auto-updating, then re-check changed uids still match */
dd(printf(" Vfolder %supdate\nuids match:", (vf->flags & CAMEL_STORE_VEE_FOLDER_AUTO)?"auto-":""));
matches_hash = g_hash_table_new(g_str_hash, g_str_equal);
- for (i=0;i<matches->len;i++) {
- dd(printf(" %s", (char *)matches->pdata[i]));
- g_hash_table_insert(matches_hash, matches->pdata[i], matches->pdata[i]);
+ for (i=0;i<matches_changed->len;i++) {
+ dd(printf(" %s", (char *)matches_changed->pdata[i]));
+ g_hash_table_insert(matches_hash, matches_changed->pdata[i], matches_changed->pdata[i]);
}
dd(printf("\n"));
for (i=0;i<changed->len;i++) {
@@ -1380,14 +1397,9 @@ folder_changed_change(CamelSession *session, CamelSessionThreadMsg *msg)
camel_folder_summary_info_free(folder->summary, (CamelMessageInfo *)vinfo);
}
}
- g_free(vuid);
g_hash_table_destroy(matches_hash);
- camel_folder_search_free(sub, matches);
}
- if (newchanged)
- g_ptr_array_free(newchanged, TRUE);
-
if (camel_folder_change_info_changed(folder_unmatched->changes)) {
unmatched_changes = folder_unmatched->changes;
folder_unmatched->changes = camel_folder_change_info_new();
@@ -1401,6 +1413,21 @@ folder_changed_change(CamelSession *session, CamelSessionThreadMsg *msg)
CAMEL_VEE_FOLDER_UNLOCK(folder_unmatched, summary_lock);
CAMEL_VEE_FOLDER_UNLOCK(vf, summary_lock);
+ /* Cleanup stuff on our folder */
+ if (matches_added)
+ camel_folder_search_free(sub, matches_added);
+
+ if (matches_changed)
+ camel_folder_search_free(sub, matches_changed);
+
+ CAMEL_VEE_FOLDER_UNLOCK(vf, subfolder_lock);
+
+ /* cleanup the rest */
+ if (newchanged)
+ g_ptr_array_free(newchanged, TRUE);
+
+ g_free(vuid);
+
if (unmatched_changes) {
camel_object_trigger_event((CamelObject *)folder_unmatched, "folder_changed", unmatched_changes);
camel_folder_change_info_free(unmatched_changes);