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Introduce our own shutdown callback mechanism.

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Instead of adding stuff to `_shutdown()`, we can now register a shutdown
routine from the respective `init()` function of our modules.

This also has the advantage, that we're sure they're called in reverse
order from how the initialization happened.

I didn't simply use `atexit()` because POSIX says that the number of
possible callbacks is limited (min 32) and I was not sure whether
we will maybe extend this number at one point.

Signed-off-by: Steffen Jaeckel <s@jaeckel.eu>
This commit is contained in:
Steffen Jaeckel
2025-03-07 11:44:31 +01:00
parent 662a0be633
commit c5a131ee46
39 changed files with 321 additions and 327 deletions
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29
src/xmpp/capabilities.c
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@@ -69,10 +69,26 @@ static EntityCapabilities* _caps_by_ver(const char* const ver);
static EntityCapabilities* _caps_by_jid(const char* const jid);
static EntityCapabilities* _caps_copy(EntityCapabilities* caps);
static void
_caps_close(void)
{
free_keyfile(&caps_prof_keyfile);
cache = NULL;
g_hash_table_destroy(jid_to_ver);
g_hash_table_destroy(jid_to_caps);
g_free(cache_loc);
cache_loc = NULL;
g_hash_table_destroy(prof_features);
prof_features = NULL;
}
void
caps_init(void)
{
log_info("Loading capabilities cache");
prof_add_shutdown_routine(_caps_close);
load_data_keyfile(&caps_prof_keyfile, FILE_CAPSCACHE);
cache = caps_prof_keyfile.keyfile;
@@ -339,19 +355,6 @@ caps_reset_ver(void)
}
}
void
caps_close(void)
{
free_keyfile(&caps_prof_keyfile);
cache = NULL;
g_hash_table_destroy(jid_to_ver);
g_hash_table_destroy(jid_to_caps);
g_free(cache_loc);
cache_loc = NULL;
g_hash_table_destroy(prof_features);
prof_features = NULL;
}
static EntityCapabilities*
_caps_by_ver(const char* const ver)
{