Debugging stdout from child

diff --git a/src/server/handler_door.c b/src/server/handler_door.c
index a15a433..fe8d1d9 100644 (file)
--- a/src/server/handler_door.c
+++ b/src/server/handler_door.c
@@ -44,8 +44,8 @@ volatile int  giDoor_ChildStatus;
 void Door_SIGCHLDHandler(int signum)
 {
        signum = 0;
-       printf("SIGCHLD\n");
        giDoor_ChildStatus ++;
+       printf("SIGCHLD: giDoor_ChildStatus = %i \n", giDoor_ChildStatus);
 }
 
 int Door_InitHandler(void)
@@ -127,7 +127,6 @@ int Door_DoDispense(int User, int Item)
        // Child process
        if( childPid == 0 )
        {
-               
                // Close write end of stdin, and set it to #0
                close(stdin_pair[1]);   dup2(stdin_pair[0], 0);
                // Close read end of stdout, and set it to #1
@@ -142,11 +141,20 @@ int Door_DoDispense(int User, int Item)
        close(stdin_pair[0]);   // child stdin read
        close(stdout_pair[1]);  // child stdout write
        
-       if( giDoor_ChildStatus || read(stdout_pair[0], buf, 512) < 0) {
+       {
+                int    len;
+               if( giDoor_ChildStatus || (len = read(stdout_pair[0], buf, 512)) < 0)
+               {
+                       #if DEBUG
+                       printf("Door_DoDispense: fread fail\n");
+                       #endif
+                       return -1;
+               }
+               buf[len] = '\0';
+               
                #if DEBUG
-               printf("Door_DoDispense: fread fail\n");
+               printf("Door_DoDispense: buf = %i '%s'\n", len, buf);
                #endif
-               return -1;
        }
        
        // Send password
@@ -195,6 +203,8 @@ int Door_DoDispense(int User, int Item)
        printf("Door_DoDispense: User %i opened door\n", User);
        #endif
 
+       kill(childPid, SIGKILL);
+
        return 0;
 }