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Cleaned up table. Moved policies to table.

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Small fixes to do_copy, do_privctl and do_fork.
This commit is contained in:
Jorrit Herder
2005-08-02 15:28:09 +00:00
parent 619a202720
commit ab7c0a9926
7 changed files with 95 additions and 84 deletions
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kernel/system/do_fork.c
+14 -4
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@@ -32,17 +32,19 @@ register message *m_ptr; /* pointer to request message */
rpc = proc_addr(m_ptr->PR_PROC_NR);
if (isemptyp(rpp) || ! isemptyp(rpc)) return(EINVAL);
/* If this is a system process, make sure the child process gets its own
* privilege structure for accounting. This is the only part that can fail,
* so do this before allocating the process table slot.
#if DEAD_CODE
/* If the parent is a privileged process, ensure the child process also gets
* its own privilege structure for accounting. This is the only part that can
* fail, so do this before allocating the process table slot.
*/
if (priv(rpc)->s_flags & SYS_PROC) {
if (priv(rpp)->s_flags & SYS_PROC) {
if (OK != (i=get_priv(rpc, SYS_PROC))) return(i); /* get structure */
for (i=0; i< BITMAP_CHUNKS(NR_SYS_PROCS); i++) /* remove pending: */
priv(rpc)->s_notify_pending.chunk[i] = 0; /* - notifications */
priv(rpc)->s_int_pending = 0; /* - interrupts */
sigemptyset(&priv(rpc)->s_sig_pending); /* - signals */
}
#endif
/* Copy parent 'proc' struct to child. And reinitialize some fields. */
#if (CHIP == INTEL)
@@ -63,6 +65,14 @@ register message *m_ptr; /* pointer to request message */
rpc->p_user_time = 0; /* set all the accounting times to 0 */
rpc->p_sys_time = 0;
/* If the parent is a privileged process, take away the privileges from the
* child process and inhibit it from running by setting the NO_PRIV flag.
* The caller should explicitely set the new privileges before executing.
*/
if (priv(rpp)->s_flags & SYS_PROC) {
rpc->p_priv = priv_addr(USER_PRIV_ID);
rpc->p_rts_flags |= NO_PRIV;
}
return(OK);
}