3 /* process_sg - GRAS process handling on simulator */
5 /* Authors: Martin Quinson */
6 /* Copyright (C) 2003,2004 da GRAS posse. */
8 /* This program is free software; you can redistribute it and/or modify it
9 under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "Virtu/virtu_sg.h"
13 GRAS_LOG_NEW_DEFAULT_SUBCATEGORY(process,GRAS);
18 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
22 if (!(pd=(gras_procdata_t *)malloc(sizeof(gras_procdata_t))))
25 if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK) {
28 TRY(gras_procdata_init());
31 if (!(hd=(gras_hostdata_t *)malloc(sizeof(gras_hostdata_t))))
34 TRY(gras_dynar_new(&(hd->ports),sizeof(gras_sg_portrec_t),NULL));
36 memset(hd->proc, 0, sizeof(hd->proc[0]) * GRAS_MAX_CHANNEL);
38 if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK) {
43 /* take a free channel for this process */
44 for (i=0; i<GRAS_MAX_CHANNEL && hd->proc[i]; i++);
45 if (i == GRAS_MAX_CHANNEL)
47 "GRAS: Can't add a new process on %s, because all channel are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS\n.",
48 MSG_host_get_name(MSG_host_self()),GRAS_MAX_CHANNEL);
51 hd->proc[ i ] = MSG_process_self_PID();
53 /* take a free RAW channel for this process */
54 for (i=0; i<GRAS_MAX_CHANNEL && hd->proc[i]; i++);
55 if (i == GRAS_MAX_CHANNEL) {
57 "GRAS: Can't add a new process on %s, because all channel are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS\n.",
58 MSG_host_get_name(MSG_host_self()),GRAS_MAX_CHANNEL);
62 hd->proc[ i ] = MSG_process_self_PID();
64 /* Connect a dummy socket to ourselves. It's returned by select() */
65 TRY(gras_socket_client(MSG_host_get_name(MSG_host_self()),
66 pd->chan, &(pd->sock)));
68 VERB2("Creating process '%s' (%d)",
69 MSG_process_get_name(MSG_process_self()),
70 MSG_process_self_PID());
76 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
77 gras_procdata_t *pd=gras_procdata_get();
78 int myPID=MSG_process_self_PID();
82 gras_assert0(hd && pd,"Run gras_process_init!!");
84 INFO2("GRAS: Finalizing process '%s' (%d)",
85 MSG_process_get_name(MSG_process_self()),MSG_process_self_PID());
87 if (gras_dynar_length(pd->msg_queue))
88 WARN1("process %d terminated, but some messages are still queued",
89 MSG_process_self_PID());
91 for (cpt=0; cpt< GRAS_MAX_CHANNEL; cpt++)
92 if (myPID == hd->proc[cpt])
95 gras_dynar_foreach(hd->ports, cpt, pr) {
96 if (pr.port == pd->chan || pr.port == pd->rawChan) {
97 gras_dynar_cursor_rm(hd->ports, &cpt);
104 /* **************************************************************************
106 * **************************************************************************/
108 gras_procdata_t *gras_procdata_get(void) {
110 (gras_procdata_t *)MSG_process_get_data(MSG_process_self());
112 gras_assert0(pd,"Run gras_process_init!");