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authorRoland McGrath <roland@gnu.org>1999-09-19 05:42:05 +0000
committerRoland McGrath <roland@gnu.org>1999-09-19 05:42:05 +0000
commitaefc5849d2ad0b3c78e0d79597e5dfae06836aaf (patch)
treea824a71f7d584e0aaa125776da5fd656c4fa9e6a /hurd/hurdprio.c
parent8a386ec18659c26dab1fa8c534f4d108b32a5268 (diff)
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1999-09-19 Roland McGrath <roland@baalperazim.frob.com>
* hurd/hurdprio.c (_hurd_priority_which_map): Rearrange the code a bit. Use __munmap instead of __vm_deallocate.
Diffstat (limited to 'hurd/hurdprio.c')
-rw-r--r--hurd/hurdprio.c63
1 files changed, 27 insertions, 36 deletions
diff --git a/hurd/hurdprio.c b/hurd/hurdprio.c
index b1e0c06450..66bd5cce54 100644
--- a/hurd/hurdprio.c
+++ b/hurd/hurdprio.c
@@ -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;
}