CTerminal now catches seg-faults (SIGSEGV)

Author: cthornsb

Core/include/CTerminal.h

@@ -9,7 +9,7 @@
   * 
   * \date Oct. 1st, 2015
   * 
-  * \version 1.2.01
+  * \version 1.2.02
 */
 
 #ifndef CTERMINAL_H
@@ -23,13 +23,11 @@
 ///Default size of terminal scroll back buffer in lines.
 #define SCROLLBACK_SIZE 1000
 
-#define CTERMINAL_VERSION "1.2.01"
-#define CTERMINAL_DATE "Oct. 1st, 2015"
+#define CTERMINAL_VERSION "1.2.02"
+#define CTERMINAL_DATE "Oct. 2nd, 2015"
 
 #include <curses.h>
 
-extern bool SIGNAL_INTERRUPT;
-
 extern std::string CPP_APP_VERSION;
 
 template <typename T>

Core/source/CTerminal.cpp

@@ -7,9 +7,9 @@
   *
   * \author Cory R. Thornsberry
   * 
-  * \date Oct. 1st, 2015
+  * \date Oct. 2nd, 2015
   * 
-  * \version 1.2.00
+  * \version 1.2.02
 */
 
 #include <iostream>
@@ -31,6 +31,7 @@
 
 #ifdef USE_NCURSES
 
+bool SIGNAL_SEGFAULT = false;
 bool SIGNAL_INTERRUPT = false;
 bool SIGNAL_TERMSTOP = false;
 bool SIGNAL_RESIZE = false;
@@ -275,6 +276,10 @@ void CommandString::Pop(unsigned int index_){
 // Terminal
 ///////////////////////////////////////////////////////////////////////////////
 
+void sig_segv_handler(int ignore_){
+	SIGNAL_SEGFAULT = true;
+}
+
 void sig_int_handler(int ignore_){
 	SIGNAL_INTERRUPT = true;
 }
@@ -290,6 +295,13 @@ void signalResize(int ignore_) {
 
 // Setup the interrupt signal intercept
 void setup_signal_handlers(){ 
+	// Handle segmentation faults press (SIGSEGV)
+	if(signal(SIGSEGV, SIG_IGN) != SIG_IGN){	
+		if(signal(SIGSEGV, sig_segv_handler) == SIG_ERR){
+			throw std::runtime_error(" Error setting up SIGSEGV signal handler!");
+		}
+	}
+
 	// Handle ctrl-c press (SIGINT)
 	if(signal(SIGINT, SIG_IGN) != SIG_IGN){	
 		if(signal(SIGINT, sig_int_handler) == SIG_ERR){
@@ -816,6 +828,10 @@ std::string Terminal::GetCommand(){
 	}
 
 	while(true){
+		if(SIGNAL_SEGFAULT){ // segmentation fault (SIGSEGV)
+			Close();
+			return "_SIGSEGV_";
+		}
 		if(SIGNAL_INTERRUPT){ // ctrl-c (SIGINT)
 			SIGNAL_INTERRUPT = false;
 			output = "CTRL_C";

Poll/include/poll2_core.h

@@ -10,9 +10,9 @@
   *
   * \author Cory R. Thornsberry
   * 
-  * \date Sept. 29th, 2015
+  * \date Oct. 2nd, 2015
   * 
-  * \version 1.3.07
+  * \version 1.3.08
 */
 
 #ifndef POLL2_CORE_H
@@ -24,8 +24,8 @@
 #include "hribf_buffers.h"
 #define maxEventSize 4095 // (0x1FFE0000 >> 17)
 
-#define POLL2_CORE_VERSION "1.3.07"
-#define POLL2_CORE_DATE "Oct. 1st, 2015"
+#define POLL2_CORE_VERSION "1.3.08"
+#define POLL2_CORE_DATE "Oct. 2nd, 2015"
 
 // Maximum length of UDP data packet (in bytes)
 #define MAX_ORPH_DATA 1464

Poll/source/poll2_core.cpp

@@ -12,7 +12,7 @@
   * 
   * \date Oct. 1st, 2015
   * 
-  * \version 1.3.07
+  * \version 1.3.08
 */
 
 #include <algorithm>
@@ -757,7 +757,12 @@ void Poll::CommandControl(){
 		}
 
 		cmd = poll_term_->GetCommand();
-		if(cmd == "CTRL_D"){ 
+		if(cmd == "_SIGSEGV_"){
+			std::cout << Display::ErrorStr("SEGMENTATION FAULT") << std::endl;
+			Close();
+			exit(EXIT_FAILURE);
+		}
+		else if(cmd == "CTRL_D"){ 
 			std::cout << sys_message_head << "Received EOF (ctrl-d) signal. Exiting...\n";
 			cmd = "quit"; 
 		}