===================================================================
RCS file: /home/cvs/OpenXM/src/kxx/oxserver00.c,v
retrieving revision 1.14
retrieving revision 1.24
diff -u -p -r1.14 -r1.24
--- OpenXM/src/kxx/oxserver00.c	2004/03/08 08:24:42	1.14
+++ OpenXM/src/kxx/oxserver00.c	2016/08/28 02:43:15	1.24
@@ -1,4 +1,4 @@
-/* $OpenXM: OpenXM/src/kxx/oxserver00.c,v 1.13 2003/11/20 11:41:44 takayama Exp $ */
+/* $OpenXM: OpenXM/src/kxx/oxserver00.c,v 1.23 2016/03/31 05:27:34 takayama Exp $ */
 /* nullserver01 */
 #include <stdio.h>
 #include <sys/types.h>
@@ -8,6 +8,7 @@
 #include <netdb.h>
 #include <signal.h>
 #include <setjmp.h>
+#include <stdlib.h>
 /* -lnsl -lsocket /usr/ucblib/libucb.a */
 #include "ox_kan.h"
 #include "serversm.h"
@@ -20,8 +21,10 @@ int NoExecution = 0;
 extern int SerialOX;  /* Serial number of the packets sent. */
 extern int SerialCurrent;  /* Current Serial number of the recieved packet. */
 extern int OXprintMessage; /* print oxmessages? */
+extern int Calling_ctrlC_hook;
+extern int RestrictedMode, RestrictedMode_saved;
 
-#if defined(__CYGWIN__)
+#if defined(__CYGWIN__) || defined(__MSYS__)
 sigjmp_buf EnvOfChildServer;
 #else
 jmp_buf EnvOfChildServer;
@@ -97,7 +100,7 @@ nullserver(int fdStreamIn,int fdStreamOut) {
   ox_stream ostreamOut;
   char sreason[1024];
   extern void controlResetHandler();
-#if defined(__CYGWIN__)
+#if defined(__CYGWIN__) || defined(__MSYS__)
   extern sigjmp_buf EnvOfStackMachine;
 #else
   extern jmp_buf EnvOfStackMachine;
@@ -129,27 +132,35 @@ nullserver(int fdStreamIn,int fdStreamOut) {
     if (PacketMonitor) fp2watch(ostreamOut,stdout);
   }
 
+  /* fprintf(stderr,"Hello world.\n"); OXprintMessage = 1;
+     JmpMessage = 1; */
+
   aaa : ;
 #if defined(__CYGWIN__)
-  if (sigsetjmp(EnvOfChildServer,1)) {
+  if (MYSIGSETJMP(EnvOfChildServer,1)) {
 #else
-  if (setjmp(EnvOfChildServer)) {
+  if (MYSETJMP(EnvOfChildServer)) {
 #endif
     fprintf(stderr,"childServerMain: jump here.\n");
     if (OxInterruptFlag == 0) {
       fprintf(stderr," ?! \n"); fflush(NULL);
     }
-	KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
+    if (!Calling_ctrlC_hook) {
+      Calling_ctrlC_hook = 1; RestrictedMode = 0;
+      KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
+      RestrictedMode = RestrictedMode_saved;
+    }
+    Calling_ctrlC_hook = 0;
 	KSexecuteString(" (Computation is interrupted.) ");
-    signal(SIGUSR1,controlResetHandler); goto aaa;
+    mysignal(SIGUSR1,controlResetHandler); goto aaa;
   } else {  
     if (JmpMessage) fprintf(stderr,"Set EnvOfChildServer.\n");
-    signal(SIGUSR1,controlResetHandler);
+    mysignal(SIGUSR1,controlResetHandler);
   }
 #if defined(__CYGWIN__)
-  if (sigsetjmp(EnvOfStackMachine,1)) {
+  if (MYSIGSETJMP(EnvOfStackMachine,1)) {
 #else  
-  if (setjmp(EnvOfStackMachine)) {
+  if (MYSETJMP(EnvOfStackMachine)) {
 #endif
     fprintf(stderr,"childServerMain: jump here by EnvOfStackMachine or timeout.\n");
     if (OxInterruptFlag == 0) {
@@ -165,12 +176,17 @@ nullserver(int fdStreamIn,int fdStreamOut) {
     */
     Sm1_pushError2(SerialCurrent,-1,"Global jump by sm1 error");
 
-	KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
-    signal(SIGUSR1,controlResetHandler); goto aaa ;
+    if (!Calling_ctrlC_hook) {
+      Calling_ctrlC_hook = 1; RestrictedMode = 0;
+      KSexecuteString(" ctrlC-hook "); /* Execute User Defined functions. */
+      RestrictedMode = RestrictedMode_saved;
+    }
+    Calling_ctrlC_hook = 0;
+    mysignal(SIGUSR1,controlResetHandler); goto aaa ;
   } else {
     if (JmpMessage) fprintf(stderr,"Set EnvOfStackMachine.\n"); 
-    if (signal(SIGUSR1,SIG_IGN) != SIG_IGN) {
-      signal(SIGUSR1,controlResetHandler);
+    if (mysignal(SIGUSR1,SIG_IGN) != SIG_IGN) {
+      mysignal(SIGUSR1,controlResetHandler);
     }
   }
   
@@ -285,7 +301,7 @@ nullserverCommand(ox_stream ostreamIn,ox_stream ostrea
 	}else{
 	  iresult = Sm1_executeStringByLocalParser();
 	}
-    OxCritical = 1; signal(SIGUSR1,controlResetHandler);
+    OxCritical = 1; mysignal(SIGUSR1,controlResetHandler);
     if (iresult < 0) {
       emsg = Sm1_popErrorMessage("executeString: ");
       Sm1_pushError2(SerialCurrent,-1,emsg);
@@ -299,7 +315,7 @@ nullserverCommand(ox_stream ostreamIn,ox_stream ostrea
 	}else{
 	  iresult = Sm1_executeStringByLocalParser();
 	}
-    OxCritical = 1; signal(SIGUSR1,controlResetHandler);
+    OxCritical = 1; mysignal(SIGUSR1,controlResetHandler);
     if (iresult < 0) {
       emsg = Sm1_popErrorMessage("executeFunction: ");
       Sm1_pushError2(SerialCurrent,-1,emsg);
@@ -313,7 +329,7 @@ nullserverCommand(ox_stream ostreamIn,ox_stream ostrea
 	}else{
 	  iresult = Sm1_executeStringByLocalParser();
 	}
-    OxCritical = 1; signal(SIGUSR1,controlResetHandler);
+    OxCritical = 1; mysignal(SIGUSR1,controlResetHandler);
     if (iresult < 0) {
       emsg = Sm1_popErrorMessage("executeFunctionWithOptionalArgument: ");
       Sm1_pushError2(SerialCurrent,-1,emsg);
@@ -339,6 +355,8 @@ nullserverCommand(ox_stream ostreamIn,ox_stream ostrea
     fprintf(stderr,"This command has not yet been implemented.\n");
     return(-1);
     break;
+  case SM_nop:
+    break;
   default:
     fprintf(stderr,"Fatal error. Unknown function_id %d\n",id);
     return(-1);
@@ -352,7 +370,7 @@ nullserver_simplest(int fd) {
   int c;
   while(1) {
     c = readOneByte(fd);
-    if (c == '@') { return; }
+    if (c == '@') { return 0; }
   }
 }
 
@@ -360,17 +378,18 @@ nullserver_simplest(int fd) {
 void controlResetHandler(sig)
      int sig;
 {
-  signal(sig,SIG_IGN);
+  mysignal(sig,SIG_IGN);
   cancelAlarm();
   fprintf(stderr,"From controlResetHandler. OxCritical = %d\n",OxCritical);
   OxInterruptFlag = 1;
   if (OxCritical) {
     return;
   }else{
-#if defined(__CYGWIN__)
-    siglongjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */
+    (void) traceShowStack(); traceClearStack();
+#if defined(__CYGWIN__) || defined(__MSYS__)
+    MYSIGLONGJMP(EnvOfChildServer,2); /* returns 2 for ctrl-C */
 #else
-    longjmp(EnvOfChildServer,2); /* returns 2 for ctrl-C */
+    MYLONGJMP(EnvOfChildServer,2); /* returns 2 for ctrl-C */
 #endif
   }
 }