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_simix/Virtu/gras_simix_virtu_sg.h"
13 #include "gras_simix/Msg/gras_simix_msg_interface.h" /* For some checks at simulation end */
14 #include "gras_simix/Transport/gras_simix_transport_interface.h" /* For some checks at simulation end */
16 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(gras_virtu_process);
18 static long int PID = 1;
23 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
24 gras_procdata_t *pd=xbt_new0(gras_procdata_t,1);
25 gras_trp_procdata_t trp_pd;
26 //gras_sg_portrec_t prmeas,pr;
29 SIMIX_process_set_data(SIMIX_process_self(),(void*)pd);
36 /* First process on this host */
37 hd=xbt_new(gras_hostdata_t,1);
39 hd->ports = xbt_dynar_new(sizeof(gras_sg_portrec_t),NULL);
41 // memset(hd->proc, 0, sizeof(hd->proc[0]) * XBT_MAX_CHANNEL);
43 for (i=0;i<65536;i++) {
44 hd->cond_port[i] =NULL;
45 hd->mutex_port[i] =NULL;
47 SIMIX_host_set_data(SIMIX_host_self(),(void*)hd);
52 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
55 if (SIMIX_process_self() != NULL ) {
56 // trp_pd->ppid = gras_os_getpid();
59 else trp_pd->ppid = -1;
60 trp_pd->mutex = SIMIX_mutex_init();
61 trp_pd->cond = SIMIX_cond_init();
62 trp_pd->active_socket = xbt_fifo_new();
63 /* take a free channel for this process */
65 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
66 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
67 if (i == XBT_MAX_CHANNEL)
68 THROW2(system_error,0,
69 "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.",
70 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
73 hd->proc[ i ] = MSG_process_self_PID();
75 /* regiter it to the ports structure */
79 //xbt_dynar_push(hd->ports,&pr);
81 /* take a free meas channel for this process */
83 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
84 if (i == XBT_MAX_CHANNEL) {
85 THROW2(system_error,0,
86 "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.",
87 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
91 hd->proc[ i ] = MSG_process_self_PID();
93 /* register it to the ports structure */
97 //xbt_dynar_push(hd->ports,&prmeas);
99 VERB2("Creating process '%s' (%ld)",
100 SIMIX_process_get_name(SIMIX_process_self()),
105 gras_process_exit() {
107 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
108 gras_procdata_t *pd=(gras_procdata_t*)SIMIX_process_get_data(SIMIX_process_self());
110 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
111 gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
113 SIMIX_mutex_destroy(trp_pd->mutex);
114 SIMIX_cond_destroy(trp_pd->cond);
115 xbt_fifo_free(trp_pd->active_socket);
116 //int myPID=gras_os_getpid();
118 //gras_sg_portrec_t pr;
120 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
122 VERB2("GRAS: Finalizing process '%s' (%ld)",
123 SIMIX_process_get_name(SIMIX_process_self()),gras_os_getpid());
125 if (xbt_dynar_length(msg_pd->msg_queue))
126 WARN1("process %ld terminated, but some messages are still queued",
130 for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
131 if (myPID == hd->proc[cpt])
135 /* remove ports from host, maybe i can do it on the socket destroy function */
137 xbt_dynar_foreach(hd->ports, cpt, pr) {
138 if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
139 xbt_dynar_cursor_rm(hd->ports, &cpt);
143 if ( ! --(hd->refcount)) {
144 xbt_dynar_free(&hd->ports);
145 for (i=0; i<65536; i++) {
146 if(hd->mutex_port[i] != NULL) {
147 SIMIX_mutex_destroy(hd->mutex_port[i]);
148 SIMIX_cond_destroy(hd->cond_port[i]);
149 hd->mutex_port[i] = NULL;
150 hd->cond_port[i] = NULL;
155 gras_procdata_exit();
159 /* **************************************************************************
161 * **************************************************************************/
163 gras_procdata_t *gras_procdata_get(void) {
165 (gras_procdata_t *)SIMIX_process_get_data(SIMIX_process_self());
167 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
172 gras_libdata_by_name_from_remote(const char *name, smx_process_t p) {
174 (gras_procdata_t *)SIMIX_process_get_data(p);
176 xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
177 SIMIX_process_get_name(p),SIMIX_host_get_name(SIMIX_process_get_host(p)));
179 return gras_libdata_by_name_from_procdata(name, pd);
182 const char* xbt_procname(void) {
183 const char *res = NULL;
184 smx_process_t process = SIMIX_process_self();
185 if ((process != NULL) && (process->simdata))
186 res = SIMIX_process_get_name(process);
193 long int gras_os_getpid(void) {
195 smx_process_t process = SIMIX_process_self();
197 if ((process != NULL) && (process->data))