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);
20 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
21 gras_procdata_t *pd=xbt_new(gras_procdata_t,1);
22 gras_trp_procdata_t trp_pd;
23 gras_sg_portrec_t prmeas,pr;
26 if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK)
27 THROW0(system_error,0,"Error in MSG_process_set_data()");
32 /* First process on this host */
33 hd=xbt_new(gras_hostdata_t,1);
35 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
37 memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL);
39 if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK)
40 THROW0(system_error,0,"Error in MSG_host_set_data()");
45 /* take a free channel for this process */
46 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
47 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
48 if (i == XBT_MAX_CHANNEL)
49 THROW2(system_error,0,
50 "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.",
51 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
54 hd->proc[ i ] = MSG_process_self_PID();
56 /* regiter it to the ports structure */
60 xbt_dynar_push(hd->ports,&pr);
62 /* take a free meas channel for this process */
63 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
64 if (i == XBT_MAX_CHANNEL) {
65 THROW2(system_error,0,
66 "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.",
67 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
71 hd->proc[ i ] = MSG_process_self_PID();
73 /* register it to the ports structure */
77 xbt_dynar_push(hd->ports,&prmeas);
79 VERB2("Creating process '%s' (%d)",
80 MSG_process_get_name(MSG_process_self()),
81 MSG_process_self_PID());
86 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
87 gras_procdata_t *pd=(gras_procdata_t*)MSG_process_get_data(MSG_process_self());
89 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
90 gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
91 int myPID=MSG_process_self_PID();
95 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
97 VERB2("GRAS: Finalizing process '%s' (%d)",
98 MSG_process_get_name(MSG_process_self()),MSG_process_self_PID());
100 if (xbt_dynar_length(msg_pd->msg_queue))
101 WARN1("process %d terminated, but some messages are still queued",
102 MSG_process_self_PID());
104 for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
105 if (myPID == hd->proc[cpt])
108 xbt_dynar_foreach(hd->ports, cpt, pr) {
109 if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
110 xbt_dynar_cursor_rm(hd->ports, &cpt);
114 if ( ! --(hd->refcount)) {
115 xbt_dynar_free(&hd->ports);
118 gras_procdata_exit();
122 /* **************************************************************************
124 * **************************************************************************/
126 gras_procdata_t *gras_procdata_get(void) {
128 (gras_procdata_t *)MSG_process_get_data(MSG_process_self());
130 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
135 const char* xbt_procname(void) {
136 const char *res = NULL;
137 m_process_t process = MSG_process_self();
138 if ((process != NULL) && (process->simdata))
139 res = MSG_process_get_name(process);
146 long int gras_os_getpid(void) {
147 m_process_t process = MSG_process_self();
148 if ((process != NULL) && (process->simdata))
149 return (long int)MSG_process_get_PID(MSG_process_self());