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Prioritized NOTIFY messages for reliable asynchonrous delivery of system events.

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Cristiano Giuffrida
2010-03-22 23:44:55 +00:00
parent ef95bf1bb9
commit 45db6482e8
2 changed files with 11 additions and 4 deletions
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11
kernel/table.c
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@@ -51,6 +51,11 @@ PUBLIC char *t_stack[TOT_STACK_SPACE / sizeof(char *)];
/* The system image table lists all programs that are part of the boot image.
* The order of the entries here MUST agree with the order of the programs
* in the boot image and all kernel tasks must come first.
* The order of the entries here matches the priority NOTIFY messages are
* delivered to a given process. NOTIFY messages are always delivered with
* the highest priority. DS must be the first system process in the list to
* allow reliable asynchronous publishing of system events. RS comes right after
* to prioritize ping messages periodically delivered to system processes.
*
* Each entry provides the process number, flags, quantum size, scheduling
* queue, and a name for the process table. The initial program counter and
@@ -65,13 +70,15 @@ PUBLIC struct boot_image image[] = {
{CLOCK, NULL, 0, 0, 0, IDL_S, "clock" },
{SYSTEM, NULL, 0, 0, 0, IDL_S, "system"},
{HARDWARE, 0, 0, 8, TASK_Q, HRD_S, "kernel"},
{DS_PROC_NR, 0, BVM_F, 4, 4, 0, "ds" },
{RS_PROC_NR, 0, 0, 4, 4, 0, "rs" },
{PM_PROC_NR, 0, 0, 32, 4, 0, "pm" },
{FS_PROC_NR, 0, 0, 32, 5, 0, "vfs" },
{RS_PROC_NR, 0, 0, 4, 4, 0, "rs" },
{MEM_PROC_NR, 0, BVM_F, 4, 3, 0, "memory"},
{LOG_PROC_NR, 0, BVM_F, 4, 2, 0, "log" },
{TTY_PROC_NR, 0, BVM_F, 4, 1, 0, "tty" },
{DS_PROC_NR, 0, BVM_F, 4, 4, 0, "ds" },
{MFS_PROC_NR, 0, BVM_F, 32, 5, 0, "mfs" },
{VM_PROC_NR, 0, 0, 32, 2, 0, "vm" },
{PFS_PROC_NR, 0, BVM_F, 32, 5, 0, "pfs" },