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author | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2016-08-08 21:15:57 +0200 |
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committer | dimitri staessens <dimitri.staessens@intec.ugent.be> | 2016-08-08 21:15:57 +0200 |
commit | 18e440197cae6d537765a4de6a915f074dce4de5 (patch) | |
tree | 5f55b8d82826fc182c9408350200b7ecaa932a27 /src/irmd/registry.c | |
parent | c2b7a0bf9978091c9a51b72fdbd94cc9286041df (diff) | |
download | ouroboros-18e440197cae6d537765a4de6a915f074dce4de5.tar.gz ouroboros-18e440197cae6d537765a4de6a915f074dce4de5.zip |
irmd: Refactor and bugfixes
Refactors the IRMd to extract reg_api and irm_flow structures to their
own sources.
Fixes some locking bugs.
Diffstat (limited to 'src/irmd/registry.c')
-rw-r--r-- | src/irmd/registry.c | 113 |
1 files changed, 3 insertions, 110 deletions
diff --git a/src/irmd/registry.c b/src/irmd/registry.c index 7745efaa..ec1c3987 100644 --- a/src/irmd/registry.c +++ b/src/irmd/registry.c @@ -53,117 +53,9 @@ struct reg_dif { enum ipcp_type type; }; -enum api_state { - REG_I_NULL = 0, - REG_I_INIT, - REG_I_SLEEP, - REG_I_WAKE, - REG_I_DESTROY -}; - -struct reg_api { - struct list_head next; - pid_t api; - - /* the api will block on this */ - enum api_state state; - pthread_cond_t state_cond; - pthread_mutex_t state_lock; -}; - -static struct reg_api * reg_api_create(pid_t api) -{ - struct reg_api * i; - i = malloc(sizeof(*i)); - if (i == NULL) - return NULL; - - i->api = api; - i->state = REG_I_INIT; - - pthread_mutex_init(&i->state_lock, NULL); - pthread_cond_init(&i->state_cond, NULL); - - INIT_LIST_HEAD(&i->next); - - return i; -} - -static void reg_api_destroy(struct reg_api * i) -{ - pthread_mutex_lock(&i->state_lock); - - if (i->state != REG_I_NULL) - i->state = REG_I_DESTROY; - - pthread_cond_signal(&i->state_cond); - - pthread_mutex_unlock(&i->state_lock); - - pthread_cleanup_push((void(*)(void *)) pthread_mutex_unlock, - (void *) &i->state_lock); - - while (i->state != REG_I_NULL) - pthread_cond_wait(&i->state_cond, &i->state_lock); - - pthread_cleanup_pop(true); - - pthread_cond_destroy(&i->state_cond); - pthread_mutex_destroy(&i->state_lock); - - free(i); -} - -static void cleanup_sleeper(void * o) { - struct reg_api * i = (struct reg_api *) o; - i->state = REG_I_NULL; - pthread_cond_signal(&i->state_cond); - pthread_mutex_unlock(&i->state_lock); -} - -void reg_api_sleep(struct reg_api * i) -{ - if (i == NULL) - return; - - pthread_mutex_lock(&i->state_lock); - if (i->state != REG_I_INIT) { - pthread_mutex_unlock(&i->state_lock); - return; - } - - i->state = REG_I_SLEEP; - - pthread_cleanup_push(cleanup_sleeper, (void *) i); - - while (i->state == REG_I_SLEEP) - pthread_cond_wait(&i->state_cond, &i->state_lock); - - pthread_cleanup_pop(true); -} - -void reg_api_wake(struct reg_api * i) -{ - pthread_mutex_lock(&i->state_lock); - - if (i->state == REG_I_NULL) { - pthread_mutex_unlock(&i->state_lock); - return; - } - - i->state = REG_I_WAKE; - - pthread_cond_broadcast(&i->state_cond); - - while (i->state == REG_I_WAKE) - pthread_cond_wait(&i->state_cond, &i->state_lock); - - pthread_mutex_unlock(&i->state_lock); -} - static struct reg_binding * reg_binding_create(char * apn, - uint32_t flags, - char ** argv) + uint32_t flags, + char ** argv) { struct reg_binding * b = malloc(sizeof(*b)); if (b == NULL) @@ -248,6 +140,7 @@ static void reg_entry_destroy(struct reg_entry * e) pthread_cond_broadcast(&e->state_cond); pthread_mutex_unlock(&e->state_lock); + pthread_cond_destroy(&e->state_cond); pthread_mutex_destroy(&e->state_lock); if (e->name != NULL) |