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_CATEGORY(process);
17 XBT_LOG_DEFAULT_CATEGORY(process);
21 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
22 gras_procdata_t *pd=xbt_new(gras_procdata_t,1);
23 gras_trp_procdata_t trp_pd;
24 gras_sg_portrec_t prmeas,pr;
27 if (MSG_process_set_data(MSG_process_self(),(void*)pd) != MSG_OK)
28 THROW0(system_error,0,"Error in MSG_process_set_data()");
33 /* First process on this host */
34 hd=xbt_new(gras_hostdata_t,1);
36 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
38 memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL);
40 if (MSG_host_set_data(MSG_host_self(),(void*)hd) != MSG_OK)
41 THROW0(system_error,0,"Error in MSG_host_set_data()");
46 /* take a free channel for this process */
47 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
48 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
49 if (i == XBT_MAX_CHANNEL)
50 THROW2(system_error,0,
51 "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.",
52 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
55 hd->proc[ i ] = MSG_process_self_PID();
57 /* regiter it to the ports structure */
61 xbt_dynar_push(hd->ports,&pr);
63 /* take a free meas channel for this process */
64 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
65 if (i == XBT_MAX_CHANNEL) {
66 THROW2(system_error,0,
67 "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.",
68 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
72 hd->proc[ i ] = MSG_process_self_PID();
74 /* register it to the ports structure */
78 xbt_dynar_push(hd->ports,&prmeas);
80 VERB2("Creating process '%s' (%d)",
81 MSG_process_get_name(MSG_process_self()),
82 MSG_process_self_PID());
87 gras_hostdata_t *hd=(gras_hostdata_t *)MSG_host_get_data(MSG_host_self());
88 gras_procdata_t *pd=(gras_procdata_t*)MSG_process_get_data(MSG_process_self());
90 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
91 gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
92 int myPID=MSG_process_self_PID();
96 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
98 VERB2("GRAS: Finalizing process '%s' (%d)",
99 MSG_process_get_name(MSG_process_self()),MSG_process_self_PID());
101 if (xbt_dynar_length(msg_pd->msg_queue))
102 WARN1("process %d terminated, but some messages are still queued",
103 MSG_process_self_PID());
105 for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
106 if (myPID == hd->proc[cpt])
109 xbt_dynar_foreach(hd->ports, cpt, pr) {
110 if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
111 xbt_dynar_cursor_rm(hd->ports, &cpt);
115 if ( ! --(hd->refcount)) {
116 xbt_dynar_free(&hd->ports);
119 gras_procdata_exit();
123 /* **************************************************************************
125 * **************************************************************************/
127 gras_procdata_t *gras_procdata_get(void) {
129 (gras_procdata_t *)MSG_process_get_data(MSG_process_self());
131 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
136 const char* xbt_procname(void) {
137 const char *res = NULL;
138 m_process_t process = MSG_process_self();
139 if ((process != NULL) && (process->simdata))
140 res = MSG_process_get_name(process);
147 int gras_os_getpid(void) {
148 m_process_t process = MSG_process_self();
149 if ((process != NULL) && (process->simdata))
150 return MSG_process_get_PID(MSG_process_self());