nonblocking to avoid block on all pipes

meisterT · Nov 30, 2023 · 4174e56 · 4174e56
1 parent 170f0ec
commit 4174e56
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Showing 3 changed files with 3 additions and 1 deletion.
diff --git a/judge/judgedaemon.main.php b/judge/judgedaemon.main.php
@@ -410,7 +410,7 @@ function fetch_executable_internal(
                         $buildscript .= "gcc -Wall -O2 -std=gnu11 $source -o run -lm\n";
                         break;
                     case 'cpp':
-                        $buildscript .= "g++ -Wall -O2 -std=gnu++17 $source -o run\n";
+                        $buildscript .= "g++ -Wall -g -O2 -std=gnu++17 $source -o run\n";
                         break;
                     case 'java':
                         $buildscript .= "javac -cp . -d . $source\n";

diff --git a/judge/runguard.c b/judge/runguard.c
@@ -1341,6 +1341,7 @@ int main(int argc, char **argv)
 		}
 
 		/* Return the exitstatus of the command */
+        verbose("WE ARE ABORTING OUR MISSION: %d", exitcode);
 		return exitcode;
 	}
 

diff --git a/judge/runpipe.cc b/judge/runpipe.cc
@@ -650,6 +650,7 @@ struct state_t {
                write_end, j, read_end);
         other.proxy_to_process = write_end;
         other.stdin_fd = read_end;
+        set_non_blocking(other.proxy_to_process);
       } else {
         // No proxy: direct communication.
         tie(read_end, write_end) = make_pipe();
-Original file line number
+Diff line change
@@ Expand Up / @@ -1341,6 +1341,7 @@ int main(int argc, char **argv) @@
     		}
     		/* Return the exitstatus of the command */
+            verbose("WE ARE ABORTING OUR MISSION: %d", exitcode);
     		return exitcode;
     	}
@@ Expand Down @@