signal caught segfault fix

software/libcariboulite/src/CaribouLite.hpp

@@ -243,7 +243,7 @@ public:
     std::string GetHwGuid(void);
     CaribouLiteRadio* GetRadioChannel(CaribouLiteRadio::RadioType ch);
     
-    // Ststic detection and factory
+    // Static detection and factory
     static CaribouLite &GetInstance(bool forceFpgaProg = false, LogLevel logLvl = LogLevel::None);
     static bool DetectBoard(SysVersion *sysVer, std::string& name, std::string& guid);
     static void DefaultSignalHandler(void* context, int signal_number, siginfo_t *si);

software/libcariboulite/src/CaribouLiteCpp.cpp

@@ -9,7 +9,7 @@ void CaribouLite::DefaultSignalHandler(void* context, int signal_number, siginfo
 {
     CaribouLite* cl = (CaribouLite*)context;
     std::cout << " >> Signal caught: " << signal_number << std::endl << std::flush;
-    cl->ReleaseResources();
+    //cl->ReleaseResources();
 }
 
 //==================================================================
@@ -81,12 +81,19 @@ CaribouLite::CaribouLite(bool forceFpgaProg, LogLevel logLvl)
 void CaribouLite::ReleaseResources(void)
 {
     if (!_instance) return;
+    
     for (size_t i = 0; i < _instance->_channels.size(); i++)
     {
-        if (_instance->_channels[i]) delete _instance->_channels[i];
-        _instance->_channels[i] = NULL;
+        if (_instance->_channels[i]) 
+        {
+            delete _instance->_channels[i];
+        }
+    }
+    
+    if (cariboulite_is_initialized()) 
+    {
+        cariboulite_close();
     }
-    if (cariboulite_is_initialized()) cariboulite_close();
 }
 
 //==================================================================

software/libcariboulite/src/caribou_fpga/caribou_fpga.h

@@ -153,6 +153,7 @@ int caribou_fpga_set_debug_modes (caribou_fpga_st* dev, bool dbg_fifo_push, bool
 
 int caribou_fpga_set_sys_ctrl_tx_sample_gap (caribou_fpga_st* dev, uint8_t gap);
 int caribou_fpga_get_sys_ctrl_tx_sample_gap (caribou_fpga_st* dev, uint8_t *gap);
+
 // I/O Controller
 int caribou_fpga_set_io_ctrl_mode (caribou_fpga_st* dev, uint8_t debug_mode, caribou_fpga_io_ctrl_rfm_en rfm);
 int caribou_fpga_get_io_ctrl_mode (caribou_fpga_st* dev, uint8_t *debug_mode, caribou_fpga_io_ctrl_rfm_en *rfm);

software/libcariboulite/src/cariboulite.c

@@ -35,13 +35,13 @@ static void internal_sighandler( struct sys_st_t *sys,
                                  int signal_number,
                                  siginfo_t *si)
 {
+    if (ctx.sighandler) ctx.sighandler(ctx.sig_context, signal_number, si);
+    
     if (ctx.signal_shown != signal_number)
     {
         fprintf(stderr, "Received signal %d", signal_number);
         ctx.signal_shown = signal_number;
     }
-
-    if (ctx.sighandler) ctx.sighandler(ctx.sig_context, signal_number, si);
 }
 
 //=============================================================================