suexec.patch

diff -rupN apache2-2.2.9_orig/support/suexec.c apache2-2.2.9/support/suexec.c
--- apache2-2.2.9_orig/support/suexec.c	2010-01-31 20:28:51.000000000 +0300
+++ apache2-2.2.9/support/suexec.c	2010-01-31 20:34:10.000000000 +0300
@@ -439,14 +439,34 @@ int main(int argc, char *argv[])
     actual_uname = strdup(pw->pw_name);
     target_homedir = strdup(pw->pw_dir);
 
+    /* patch start */
+
+    char cgroup_path[128];
+    sprintf(cgroup_path, "/mnt/cgroup/%s/tasks", actual_gname);
+    
+
     /*
      * Log the transaction here to be sure we have an open log
      * before we setuid().
      */
+
+    /* old version
     log_no_err("uid: (%s/%s) gid: (%s/%s) cmd: %s\n",
                target_uname, actual_uname,
                target_gname, actual_gname,
                cmd);
+    */
+
+    /* patched version */
+    log_no_err("pid: %d uid: (%s/%s) gid: (%s/%s) cmd: %s cgroup_path: %s\n",
+        getpid(),
+        target_uname, actual_uname,
+        target_gname, actual_gname,
+        cmd,
+        cgroup_path
+    );
+
+    /* patch end */
 
     /*
      * Error out if attempt is made to execute as root or as
@@ -466,6 +486,20 @@ int main(int argc, char *argv[])
         exit(108);
     }
 
+    /* patch start */
+
+    FILE* cgroup_tasks = fopen(cgroup_path, "w");
+    
+    if (cgroup_tasks) {
+        fprintf(cgroup_tasks, "%d\n", getpid());
+        
+        fclose(cgroup_tasks);
+    } else {
+        log_err("failed to open cgroup %s\n", cgroup_path);
+    }
+
+    /* patch end */
+
     /*
      * Change UID/GID here so that the following tests work over NFS.
      *