From 2c546c5c620f36d92ac7b9628caf54f1bc4d5dba Mon Sep 17 00:00:00 2001
From: Rui Peng Li <li50@llnl.gov>
Date: Wed, 27 Mar 2024 21:47:09 -0700
Subject: [PATCH] bug fix

---
 bbb/exmain.c | 117 +++++++++++++++++++++++++--------------------------
 1 file changed, 58 insertions(+), 59 deletions(-)

diff --git a/bbb/exmain.c b/bbb/exmain.c
index 6828f483..df2f88a5 100755
--- a/bbb/exmain.c
+++ b/bbb/exmain.c
@@ -27,7 +27,7 @@ static struct sigaction act,oact;
 static sigjmp_buf ev;
 
 
-/* 
+/*
     Handler for SIGINT signal
 */
 void int_handler() {
@@ -36,59 +36,58 @@ void int_handler() {
    printf("\nType \"cont\" to continue exmain(), \"abort\" (not compatible with openmp) or \"stop\" (with openmp) to return to Python prompt \n");
    printf("or a single line to be evaluated by Python.\n");
 #pragma omp master
-    {
-int condition;
-condition=1;
-   while(1){
+   {
+      int condition;
+      condition=1;
+      while(1){
 #ifdef HAS_READLINE
-       ret = readline("Debug>>> ");
-       if(ret == (char *)NULL)return;
-       add_history(ret); 
-       strncpy(mymyline,ret,sizeof(mymyline)-1); 
-       free(ret); 
+         ret = readline("Debug>>> ");
+         if(ret == (char *)NULL) break;
+         add_history(ret);
+         strncpy(mymyline,ret,sizeof(mymyline)-1);
+         free(ret);
 #else
-       printf("Debug>>> ");
-       ret = fgets(mymyline,150,stdin);
-       if(ret == (char *)NULL)return;
+         printf("Debug>>> ");
+         ret = fgets(mymyline,150,stdin);
+         if(ret == (char *)NULL)break;
 #endif
-       if(strncmp(mymyline,"cont",4) == 0){
-           return;
-       } else if (strncmp(mymyline,"abort",5) == 0) {
-          PyRun_SimpleString("bbb.exmain_aborted = True");
-          siglongjmp(ev,1);
-       } else if (strncmp(mymyline,"stop",4) == 0) {
-	  PyRun_SimpleString("print(\"Stopping exmain ... Please wait...\")");
-          PyRun_SimpleString("bbb.exmain_aborted = True");
-          return;
-       } else if (strncmp(mymyline,"exit",4) == 0) {
-          PyRun_SimpleString("bbb.exmain_aborted = True");
-          siglongjmp(ev,1);
-       } else {
-          PyRun_SimpleString(mymyline);
-          /* matplotlib seems to unset the hander
-             so it is set again just in case */
-          sigfillset(&block_mask);
-          act.sa_handler = int_handler;
-          act.sa_mask = block_mask;
-          act.sa_flags = 0;
-          sigaction(SIGINT,&act,NULL);
-       }
+         if(strncmp(mymyline,"cont",4) == 0){
+            break;
+         } else if (strncmp(mymyline,"abort",5) == 0) {
+            PyRun_SimpleString("bbb.exmain_aborted = True");
+            siglongjmp(ev,1);
+         } else if (strncmp(mymyline,"stop",4) == 0) {
+            PyRun_SimpleString("print(\"Stopping exmain ... Please wait...\")");
+            PyRun_SimpleString("bbb.exmain_aborted = True");
+            break;
+         } else if (strncmp(mymyline,"exit",4) == 0) {
+            PyRun_SimpleString("bbb.exmain_aborted = True");
+            siglongjmp(ev,1);
+         } else {
+            PyRun_SimpleString(mymyline);
+            /* matplotlib seems to unset the hander
+               so it is set again just in case */
+            sigfillset(&block_mask);
+            act.sa_handler = int_handler;
+            act.sa_mask = block_mask;
+            act.sa_flags = 0;
+            sigaction(SIGINT,&act,NULL);
+         }
+      }
    }
-   
-}
 }
 #endif
 
 
 
-/* FORTHON is defined by the Python build. This exmain does nothing when 
+/* FORTHON is defined by the Python build. This exmain does nothing when
    compiled for the basis version of the code, it just drops through to
    the Fortran routine.  */
 
 #if defined(FC_FUNC)
-void FC_FUNC(exmain_f, EXMAIN_F)(void); 
+void FC_FUNC(exmain_f, EXMAIN_F)(void);
 #else
-void exmain_f_(void); 
+void exmain_f_(void);
 #endif
 
 #if defined(FC_FUNC)
@@ -99,40 +98,40 @@ void exmain_() {
 #ifdef FORTHON
    sigset_t block_mask;
    int ival;
+   int err = 0;
 #pragma omp master
-{
-   ival = sigsetjmp(ev,1);
-   if(ival != 0){
-       sigaction(SIGINT,&oact,NULL);
-       return;
-   }
+   {
+      ival = sigsetjmp(ev,1);
+      if(ival != 0) {
+         sigaction(SIGINT,&oact,NULL);
+         err = 1;
+      }
    }
-   
+
+   if (err) { return; }
 
 /* setup to catch SIGINT and save the previous handler to be restored
    on return */
 #pragma omp master
-{
-   sigfillset(&block_mask);
-   act.sa_handler = int_handler;
-   act.sa_mask = block_mask;
-   act.sa_flags = 0;
-   sigaction(SIGINT,&act,&oact);
-
-   PyRun_SimpleString("from uedge import bbb");
-   PyRun_SimpleString("bbb.exmain_aborted = False");
+   {
+      sigfillset(&block_mask);
+      act.sa_handler = int_handler;
+      act.sa_mask = block_mask;
+      act.sa_flags = 0;
+      sigaction(SIGINT,&act,&oact);
+
+      PyRun_SimpleString("from uedge import bbb");
+      PyRun_SimpleString("bbb.exmain_aborted = False");
    }
-   
 
 #endif
 
-
 /*  now call the Fortran version of exmain  */
 
 #if defined(FC_FUNC)
    FC_FUNC(exmain_f, EXMAIN_F)();
 #else
-   exmain_f_(); 
+   exmain_f_();
 #endif
 #ifdef FORTHON
    sigaction(SIGINT,&oact,NULL);