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New NOTIFY system call! Queued at kernel. Duplicate messages (with same source

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and type) are overwritten with newer flags/ arguments. The interface from
within the kernel is lock_notify(). User processes can make a system call with
notify(). NOTIFY fully replaces the old notification mechanism.
This commit is contained in:
Jorrit Herder
2005-05-24 10:06:17 +00:00
parent 80e38daead
commit ccd17ecfed
22 changed files with 304 additions and 377 deletions
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7
kernel/system/clock.c
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@@ -164,7 +164,12 @@ timer_t *tp;
* alarm. The process number is stored in timer argument 'ta_int'. Notify that
* process given with a SYN_ALARM message.
*/
lock_notify(tmr_arg(tp)->ta_int, SYN_ALARM);
message m;
m.NOTIFY_SOURCE = HARDWARE;
m.NOTIFY_TYPE = SYN_ALARM;
m.NOTIFY_ARG = get_uptime();
m.NOTIFY_FLAGS = 0;
lock_notify(HARDWARE, tmr_arg(tp)->ta_int, &m);
}