3 /* process_sg - GRAS process handling on simulator */
5 /* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved. */
7 /* This program is free software; you can redistribute it and/or modify it
8 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "gras_modinter.h" /* module initialization interface */
12 #include "gras/Virtu/virtu_sg.h"
13 #include "gras/Msg/msg_interface.h" /* For some checks at simulation end */
14 #include "gras/Transport/transport_interface.h" /* For some checks at simulation end */
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
22 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
23 gras_procdata_t *pd=xbt_new0(gras_procdata_t,1);
24 gras_trp_procdata_t trp_pd;
25 gras_sg_portrec_t prmeas,pr;
28 if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK)
29 THROW0(system_error,0,"Error in MSG_process_set_data()");
34 /* First process on this host */
35 hd=xbt_new(gras_hostdata_t,1);
37 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
39 memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL);
41 if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK)
42 THROW0(system_error,0,"Error in MSG_host_set_data()");
47 /* take a free channel for this process */
48 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
49 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
50 if (i == XBT_MAX_CHANNEL)
51 THROW2(system_error,0,
52 "Can't add a new process on %s, because all channels are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS.",
53 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
56 hd->proc[ i ] = MSG_process_self_PID();
58 /* regiter it to the ports structure */
62 xbt_dynar_push(hd->ports,&pr);
64 /* take a free meas channel for this process */
65 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
66 if (i == XBT_MAX_CHANNEL) {
67 THROW2(system_error,0,
68 "Can't add a new process on %s, because all channels are already in use. Please increase MAX CHANNEL (which is %d for now) and recompile GRAS.",
69 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
73 hd->proc[ i ] = MSG_process_self_PID();
75 /* register it to the ports structure */
79 xbt_dynar_push(hd->ports,&prmeas);
81 VERB2("Creating process '%s' (%d)",
82 MSG_process_get_name(MSG_process_self()),
83 MSG_process_self_PID());
88 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
89 gras_procdata_t *pd=(gras_procdata_t*)MSG_process_get_data(MSG_process_self());
91 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
92 gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
93 int myPID=MSG_process_self_PID();
97 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
99 VERB2("GRAS: Finalizing process '%s' (%d)",
100 MSG_process_get_name(MSG_process_self()),MSG_process_self_PID());
102 if (xbt_dynar_length(msg_pd->msg_queue))
103 WARN1("process %d terminated, but some messages are still queued",
104 MSG_process_self_PID());
106 for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
107 if (myPID == hd->proc[cpt])
110 xbt_dynar_foreach(hd->ports, cpt, pr) {
111 if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
112 xbt_dynar_cursor_rm(hd->ports, &cpt);
116 if ( ! --(hd->refcount)) {
117 xbt_dynar_free(&hd->ports);
120 gras_procdata_exit();
124 /* **************************************************************************
126 * **************************************************************************/
128 gras_procdata_t *gras_procdata_get(void) {
130 (gras_procdata_t *)MSG_process_get_data(MSG_process_self());
132 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
137 gras_libdata_by_name_from_remote(const char *name, m_process_t p) {
139 (gras_procdata_t *)MSG_process_get_data(p);
141 xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
142 MSG_process_get_name(p),MSG_host_get_name(MSG_process_get_host(p)));
144 return gras_libdata_by_name_from_procdata(name, pd);
147 const char* xbt_procname(void) {
148 const char *res = NULL;
149 m_process_t process = MSG_process_self();
150 if ((process != NULL) && (process->simdata))
151 res = MSG_process_get_name(process);
158 long int gras_os_getpid(void) {
159 m_process_t process = MSG_process_self();
160 if ((process != NULL) && (process->simdata))
161 return (long int)MSG_process_get_PID(MSG_process_self());