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Scheduling updates to the kernel. Sched() function now is single point for

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policy. Actual policy not yet implemented.

PM calculates nice values for processes in boot image.

IS debug dumps improved (Shift+F1-F4).
This commit is contained in:
Jorrit Herder
2005-08-22 15:14:11 +00:00
parent a17d7c827b
commit 872687ddfc
12 changed files with 142 additions and 103 deletions
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8
kernel/system/do_fork.c
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@@ -51,8 +51,12 @@ 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;
rpc->p_sched_ticks /= 2; /* parent and child have to share quantum */
rpp->p_sched_ticks /= 2;
/* Parent and child have to share the quantum that the forked process had,
* so that queued processes do not have to wait longer because of the fork.
* If the time left is odd, the child gets an extra tick.
*/
rpc->p_ticks_left = (rpc->p_ticks_left + 1) / 2;
rpp->p_ticks_left = rpp->p_ticks_left / 2;
/* 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.