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fix thread locking in lte-softmodem (it was stuck sometimes at exit)

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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@7564 818b1a75-f10b-46b9-bf7c-635c3b92a50f
This commit is contained in:
Cedric Roux
2015-06-16 10:08:17 +00:00
parent 65f8298ae7
commit 97f0611371
1 changed files with 12 additions and 3 deletions
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targets/RT/USER/lte-softmodem.c
+12 -3
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@@ -1114,12 +1114,20 @@ static void* eNB_thread_tx( void* param )
exit_fun("nothing to add");
break;
}
/* wait for our turn */
while (sync_phy_proc[proc->subframe].phy_proc_CC_id != proc->CC_id) {
/* wait for our turn or oai_exit */
while (sync_phy_proc[proc->subframe].phy_proc_CC_id != proc->CC_id && !oai_exit) {
pthread_cond_wait(&sync_phy_proc[proc->subframe].cond_phy_proc_tx,
&sync_phy_proc[proc->subframe].mutex_phy_proc_tx);
}
if (oai_exit) {
if (pthread_mutex_unlock(&sync_phy_proc[proc->subframe].mutex_phy_proc_tx) != 0) {
LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
exit_fun("nothing to add");
}
break;
}
phy_procedures_eNB_TX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay, NULL );
/* we're done, let the next one proceed */
@@ -1127,7 +1135,7 @@ static void* eNB_thread_tx( void* param )
sync_phy_proc[proc->subframe].phy_proc_CC_id %= MAX_NUM_CCs;
pthread_cond_broadcast(&sync_phy_proc[proc->subframe].cond_phy_proc_tx);
if (pthread_mutex_unlock(&sync_phy_proc[proc->subframe].mutex_phy_proc_tx) != 0) {
LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
exit_fun("nothing to add");
break;
}
@@ -1433,6 +1441,7 @@ void kill_eNB_proc(void)
PHY_vars_eNB_g[0][CC_id]->proc[i].instance_cnt_tx = 0; // FIXME data race!
pthread_cond_signal( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_tx );
pthread_cond_broadcast(&sync_phy_proc[i].cond_phy_proc_tx);
#ifdef DEBUG_THREADS
printf( "Joining eNB TX CC_id %d thread %d...\n", CC_id, i );