From 8ca960fa0274018cb4f94a1826029d74e6f762e0 Mon Sep 17 00:00:00 2001 From: Dimitri Staessens Date: Mon, 21 Jun 2021 20:24:03 +0200 Subject: lib, ipcpd, irmd: Wrap pthread unlocks for cleanup This add an ouroboros/pthread.h header that wraps the pthread_..._unlock() functions for cleanup using pthread_cleanup_push() as this casting is not safe (and there were definitely bad casts in the code). The close() function is now also wrapped for cleanup in ouroboros/sockets.h. This allows enabling more compiler checks. Signed-off-by: Dimitri Staessens Signed-off-by: Sander Vrijders --- src/ipcpd/unicast/dht.c | 18 +++++++----------- src/ipcpd/unicast/fa.c | 5 ++--- src/ipcpd/unicast/pol/link_state.c | 19 ++++++++++--------- 3 files changed, 19 insertions(+), 23 deletions(-) (limited to 'src/ipcpd/unicast') diff --git a/src/ipcpd/unicast/dht.c b/src/ipcpd/unicast/dht.c index 3dc592db..2b668f9f 100644 --- a/src/ipcpd/unicast/dht.c +++ b/src/ipcpd/unicast/dht.c @@ -42,12 +42,12 @@ #include #include #include +#include #include "common/connmgr.h" #include "dht.h" #include "dt.h" -#include #include #include #include @@ -308,8 +308,7 @@ int dht_wait_running(struct dht * dht) pthread_mutex_lock(&dht->mtx); - pthread_cleanup_push((void *)(void *) pthread_mutex_unlock, - &dht->mtx); + pthread_cleanup_push(__cleanup_mutex_unlock, &dht->mtx); while (dht->state == DHT_JOINING) pthread_cond_wait(&dht->cond, &dht->mtx); @@ -466,8 +465,7 @@ static int kad_req_wait(struct kad_req * req, req->state = REQ_PENDING; - pthread_cleanup_push((void *)(void *) pthread_mutex_unlock, - &req->lock); + pthread_cleanup_push(__cleanup_mutex_unlock, &req->lock); while (req->state == REQ_PENDING && ret != -ETIMEDOUT) ret = -pthread_cond_timedwait(&req->cond, &req->lock, &abs); @@ -819,8 +817,7 @@ static void lookup_update(struct dht * dht, return; } - pthread_cleanup_push((void *)(void *) pthread_mutex_unlock, - &lu->lock); + pthread_cleanup_push(__cleanup_mutex_unlock, &lu->lock); while (lu->state == LU_INIT) { pthread_rwlock_unlock(&dht->lock); @@ -967,7 +964,7 @@ static void lookup_set_state(struct lookup * lu, pthread_mutex_unlock(&lu->lock); } -static void cleanup_wait(void * o) +static void cancel_lookup_wait(void * o) { struct lookup * lu = (struct lookup *) o; lu->state = LU_NULL; @@ -991,7 +988,7 @@ static enum lookup_state lookup_wait(struct lookup * lu) if (lu->state == LU_INIT || lu->state == LU_UPDATE) lu->state = LU_PENDING; - pthread_cleanup_push(cleanup_wait, lu); + pthread_cleanup_push(cancel_lookup_wait, lu); while (lu->state == LU_PENDING && ret != -ETIMEDOUT) ret = -pthread_cond_timedwait(&lu->cond, &lu->lock, &abs); @@ -2421,8 +2418,7 @@ static void * dht_handle_packet(void * o) pthread_mutex_lock(&dht->mtx); - pthread_cleanup_push((void *)(void *) pthread_mutex_unlock, - &dht->mtx); + pthread_cleanup_push(__cleanup_mutex_unlock, &dht->mtx); while (list_is_empty(&dht->cmds)) pthread_cond_wait(&dht->cond, &dht->mtx); diff --git a/src/ipcpd/unicast/fa.c b/src/ipcpd/unicast/fa.c index b3b9b42c..3ebdc1f1 100644 --- a/src/ipcpd/unicast/fa.c +++ b/src/ipcpd/unicast/fa.c @@ -38,6 +38,7 @@ #include #include #include +#include #include "dir.h" #include "fa.h" @@ -47,7 +48,6 @@ #include "ca.h" #include -#include #include #include @@ -442,8 +442,7 @@ static void * fa_handle_packet(void * o) pthread_mutex_lock(&fa.mtx); - pthread_cleanup_push((void (*)(void *)) pthread_mutex_unlock, - &fa.mtx); + pthread_cleanup_push(__cleanup_mutex_unlock, &fa.mtx); while (list_is_empty(&fa.cmds)) pthread_cond_wait(&fa.cond, &fa.mtx); diff --git a/src/ipcpd/unicast/pol/link_state.c b/src/ipcpd/unicast/pol/link_state.c index e8983ec6..cca85d63 100644 --- a/src/ipcpd/unicast/pol/link_state.c +++ b/src/ipcpd/unicast/pol/link_state.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -52,7 +53,6 @@ #include #include #include -#include #define RECALC_TIME 4 #define LS_UPDATE_TIME 15 @@ -648,8 +648,7 @@ static void * lsupdate(void * o) pthread_rwlock_wrlock(&ls.db_lock); - pthread_cleanup_push((void (*) (void *)) pthread_rwlock_unlock, - (void *) &ls.db_lock); + pthread_cleanup_push(__cleanup_rwlock_unlock, &ls.db_lock); list_for_each_safe(p, h, &ls.db) { struct adjacency * adj; @@ -709,8 +708,7 @@ static void forward_lsm(uint8_t * buf, pthread_rwlock_rdlock(&ls.db_lock); - pthread_cleanup_push((void (*))(void *) pthread_rwlock_unlock, - &ls.db_lock); + pthread_cleanup_push(__cleanup_rwlock_unlock, &ls.db_lock); list_for_each(p, &ls.nbs) { struct nb * nb = list_entry(p, struct nb, next); @@ -721,6 +719,11 @@ static void forward_lsm(uint8_t * buf, pthread_cleanup_pop(true); } +static void cleanup_fqueue(void * fq) +{ + fqueue_destroy((fqueue_t *) fq); +} + static void * lsreader(void * o) { fqueue_t * fq; @@ -739,8 +742,7 @@ static void * lsreader(void * o) if (fq == NULL) return (void *) -1; - pthread_cleanup_push((void (*) (void *)) fqueue_destroy, - (void *) fq); + pthread_cleanup_push(cleanup_fqueue, fq); while (true) { ret = fevent(ls.mgmt_set, fq, NULL); @@ -813,8 +815,7 @@ static void handle_event(void * self, case NOTIFY_DT_CONN_ADD: pthread_rwlock_rdlock(&ls.db_lock); - pthread_cleanup_push((void (*) (void *)) pthread_rwlock_unlock, - (void *) &ls.db_lock); + pthread_cleanup_push(__cleanup_rwlock_unlock, &ls.db_lock); send_lsm(ipcpi.dt_addr, c->conn_info.addr, 0); pthread_cleanup_pop(true); -- cgit v1.2.3