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Sun Apr 7 10:37:30 1996 Roland McGrath <roland@whiz-bang.gnu.ai.mit.edu>

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* sysdeps/mach/hurd/fork.c: Don't leak send rights to the child's proc
 	port in the parent.
Fri Apr  5 17:43:41 1996  Miles Bader  <miles@gnu.ai.mit.edu>
This commit is contained in:
Roland McGrath 1996-04-07 17:44:31 +00:00
parent d70576891e
commit 3125073e10
2 changed files with 8 additions and 3 deletions
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8
ChangeLog
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@ -1,7 +1,9 @@
Fri Apr 5 17:43:41 1996 Miles Bader <miles@gnu.ai.mit.edu>
Sun Apr 7 10:37:30 1996 Roland McGrath <roland@whiz-bang.gnu.ai.mit.edu>
* sysdeps/mach/hurd/fork.c (__fork): Don't leak send-rights to the
child's proc port in the parent.
* sysdeps/mach/hurd/fork.c: Don't leak send rights to the child's proc
port in the parent.
Fri Apr 5 17:43:41 1996 Miles Bader <miles@gnu.ai.mit.edu>
* sysdeps/mach/hurd/i386/sigreturn.c (__sigreturn): Store
MACH_PORT_DEAD in the thread reply-port variable before destroying

3
sysdeps/mach/hurd/fork.c
View File

@ -297,6 +297,7 @@ __fork (void)
Give the child as many references for it as we have. */
mach_port_urefs_t refs, *record_refs = NULL;
mach_port_t insert;
mach_msg_type_name_t insert_type = MACH_MSG_TYPE_COPY_SEND;
if (portnames[i] == newtask)
/* Skip the name we use for the child's task port. */
continue;
@ -309,6 +310,7 @@ __fork (void)
/* Get the proc server port for the new task. */
if (err = __proc_task2proc (portnames[i], newtask, &insert))
LOSE;
insert_type = MACH_MSG_TYPE_MOVE_SEND;
}
else if (portnames[i] == ss->thread)
{
@ -347,6 +349,7 @@ __fork (void)
if (j < nthreads)
continue;
/* Copy our own send right. */
insert = portnames[i];
}
/* Find out how many user references we have for