1999-09-19 Roland McGrath <roland@baalperazim.frob.com>
authorRoland McGrath <roland@gnu.org>
Sun, 19 Sep 1999 05:42:05 +0000 (05:42 +0000)
committerRoland McGrath <roland@gnu.org>
Sun, 19 Sep 1999 05:42:05 +0000 (05:42 +0000)
* hurd/hurdprio.c (_hurd_priority_which_map): Rearrange the code a bit.
Use __munmap instead of __vm_deallocate.

hurd/hurdprio.c

index b1e0c06..66bd5cc 100644 (file)
@@ -17,8 +17,9 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <hurd/resource.h>
 #include <hurd.h>
+#include <hurd/resource.h>
+#include <sys/mman.h>
 #include <unistd.h>
 
 error_t
@@ -35,64 +36,54 @@ _hurd_priority_which_map (enum __priority_which which, int who,
 
   switch (which)
     {
+    default:
+      return EINVAL;
+
     case PRIO_PROCESS:
-      npids = 1;
-      pids[0] = who ?: getpid (); /* XXX function could special-case self? */
-      err = 0;
+      err = (*function) (who ?: getpid (), 0); /* XXX special-case self? */
       break;
 
     case PRIO_PGRP:
       err = __USEPORT (PROC, __proc_getpgrppids (port, who, &pids, &npids));
+      for (i = 0; !err && i < npids; ++i)
+       err = (*function) (pids[i], 0);
       break;
 
     case PRIO_USER:
       if (who == 0)
        who = geteuid ();
       err = __USEPORT (PROC, __proc_getallpids (port, &pids, &npids));
-      break;
-
-    default:
-      return EINVAL;
-    }
-
-  for (i = 0; !err && i < npids; ++i)
-    {
-      if (which == PRIO_USER)
+      for (i = 0; !err && i < npids; ++i)
        {
          /* Get procinfo to check the owner.  */
          int *oldpi = pi;
          mach_msg_type_number_t oldpisize = pisize;
          char *tw = 0;
          size_t twsz = 0;
-         if (err = __USEPORT (PROC, __proc_getprocinfo (port, pids[i],
-                                                        &pi_flags,
-                                                        &pi, &pisize,
-                                                        &tw, &twsz)))
-           continue;
-         if (twsz)
-           /* Gratuitous.  */
-           __vm_deallocate (__mach_task_self (), (vm_address_t) tw, twsz);
-         if (pi != oldpi && oldpi != pibuf)
-           /* Old buffer from last call was not reused; free it.  */
-           __vm_deallocate (__mach_task_self (),
-                            (vm_address_t) oldpi, oldpisize * sizeof pi[0]);
+         err = __USEPORT (PROC, __proc_getprocinfo (port, pids[i],
+                                                    &pi_flags,
+                                                    &pi, &pisize,
+                                                    &tw, &twsz));
+         if (!err)
+           {
+             if (twsz)         /* Gratuitous.  */
+               __munmap (tw, twsz);
+             if (pi != oldpi && oldpi != pibuf)
+               /* Old buffer from last call was not reused; free it.  */
+               __munmap (oldpi, oldpisize * sizeof pi[0]);
 
-         pip = (struct procinfo *) pi;
-         if (pip->owner != (uid_t) who)
-           continue;
+             pip = (struct procinfo *) pi;
+             if (pip->owner == (uid_t) who)
+               err = (*function) (pids[i], pip);
+           }
        }
-      else
-       pip = NULL;
-
-      err = (*function) (pids[i], pip);
+      break;
     }
 
   if (pids != pidbuf)
-    __vm_deallocate (__mach_task_self (),
-                    (vm_address_t) pids, npids * sizeof pids[0]);
+    __munmap (pids, npids * sizeof pids[0]);
   if (pi != pibuf)
-    __vm_deallocate (__mach_task_self (),
-                    (vm_address_t) pi, pisize * sizeof pi[0]);
+    __munmap (pi, pisize * sizeof pi[0]);
 
   return err;
 }