SRSUE: proc_ra.h/.cc use C++11 mutex

srsue/hdr/stack/mac/proc_ra.h

@@ -22,6 +22,7 @@
 #ifndef SRSUE_PROC_RA_H
 #define SRSUE_PROC_RA_H
 
+#include <mutex>
 #include <stdint.h>
 
 #include "srslte/common/log.h"
@@ -182,7 +183,7 @@ private:
   uint64_t    transmitted_contention_id;
   uint16_t    transmitted_crnti;
 
-  pthread_mutex_t mutex;
+  std::mutex mutex;
 
   enum { PDCCH_CRNTI_NOT_RECEIVED = 0, PDCCH_CRNTI_UL_GRANT, PDCCH_CRNTI_DL_GRANT } pdcch_to_crnti_received;
 

srsue/src/stack/mac/proc_ra.cc

@@ -63,13 +63,10 @@ void ra_proc::init(phy_interface_mac_lte*        phy_h_,
   
   srslte_softbuffer_rx_init(&softbuffer_rar, 10);
 
-  pthread_mutex_init(&mutex, NULL);
-
   reset();
 }
 
 ra_proc::~ra_proc() {
-  pthread_mutex_destroy(&mutex);
   srslte_softbuffer_rx_free(&softbuffer_rar);
 }
 
@@ -88,16 +85,15 @@ void ra_proc::start_pcap(srslte::mac_pcap* pcap_)
 
 void ra_proc::set_config(srsue::mac_interface_rrc::rach_cfg_t& rach_cfg)
 {
-  pthread_mutex_lock(&mutex);
+  std::unique_lock<std::mutex> ul(mutex);
   new_cfg = rach_cfg;
-  pthread_mutex_unlock(&mutex);
 }
 
 void ra_proc::read_params()
 {
-  pthread_mutex_lock(&mutex);
+  mutex.lock();
   rach_cfg = new_cfg;
-  pthread_mutex_unlock(&mutex);
+  mutex.unlock();
 
   // Read initialization parameters   
   if (noncontention_enabled) {