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");
54 if (SIMIX_process_self() != NULL ) {
55 trp_pd->ppid = gras_os_getpid();
57 else trp_pd->ppid = -1;
58 trp_pd->mutex = SIMIX_mutex_init();
59 trp_pd->cond = SIMIX_cond_init();
60 trp_pd->active_socket = NULL;
61 /* take a free channel for this process */
63 trp_pd = (gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
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);
71 hd->proc[ i ] = MSG_process_self_PID();
73 /* regiter it to the ports structure */
77 //xbt_dynar_push(hd->ports,&pr);
79 /* take a free meas channel for this process */
81 for (i=0; i<XBT_MAX_CHANNEL && hd->proc[i]; i++);
82 if (i == XBT_MAX_CHANNEL) {
83 THROW2(system_error,0,
84 "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.",
85 MSG_host_get_name(MSG_host_self()),XBT_MAX_CHANNEL);
89 hd->proc[ i ] = MSG_process_self_PID();
91 /* register it to the ports structure */
95 //xbt_dynar_push(hd->ports,&prmeas);
97 VERB2("Creating process '%s' (%ld)",
98 SIMIX_process_get_name(SIMIX_process_self()),
103 gras_process_exit() {
104 gras_hostdata_t *hd=(gras_hostdata_t *)SIMIX_host_get_data(SIMIX_host_self());
105 gras_procdata_t *pd=(gras_procdata_t*)SIMIX_process_get_data(SIMIX_process_self());
107 gras_msg_procdata_t msg_pd=(gras_msg_procdata_t)gras_libdata_by_name("gras_msg");
108 //gras_trp_procdata_t trp_pd=(gras_trp_procdata_t)gras_libdata_by_name("gras_trp");
109 //int myPID=gras_os_getpid();
111 //gras_sg_portrec_t pr;
113 xbt_assert0(hd,"Run gras_process_init (ie, gras_init)!!");
115 VERB2("GRAS: Finalizing process '%s' (%ld)",
116 SIMIX_process_get_name(SIMIX_process_self()),gras_os_getpid());
118 if (xbt_dynar_length(msg_pd->msg_queue))
119 WARN1("process %ld terminated, but some messages are still queued",
123 for (cpt=0; cpt< XBT_MAX_CHANNEL; cpt++)
124 if (myPID == hd->proc[cpt])
128 /* remove ports from host, maybe i can do it on the socket destroy function */
130 xbt_dynar_foreach(hd->ports, cpt, pr) {
131 if (pr.port == trp_pd->chan || pr.port == trp_pd->measChan) {
132 xbt_dynar_cursor_rm(hd->ports, &cpt);
136 if ( ! --(hd->refcount)) {
137 xbt_dynar_free(&hd->ports);
140 gras_procdata_exit();
144 /* **************************************************************************
146 * **************************************************************************/
148 gras_procdata_t *gras_procdata_get(void) {
150 (gras_procdata_t *)SIMIX_process_get_data(SIMIX_process_self());
152 xbt_assert0(pd,"Run gras_process_init! (ie, gras_init)");
157 gras_libdata_by_name_from_remote(const char *name, smx_process_t p) {
159 (gras_procdata_t *)SIMIX_process_get_data(p);
161 xbt_assert2(pd,"process '%s' on '%s' didn't run gras_process_init! (ie, gras_init)",
162 SIMIX_process_get_name(p),SIMIX_host_get_name(SIMIX_process_get_host(p)));
164 return gras_libdata_by_name_from_procdata(name, pd);
167 const char* xbt_procname(void) {
168 const char *res = NULL;
169 smx_process_t process = SIMIX_process_self();
170 if ((process != NULL) && (process->simdata))
171 res = SIMIX_process_get_name(process);
178 long int gras_os_getpid(void) {
180 smx_process_t process = SIMIX_process_self();
181 if ((process != NULL) && (process->data))
182 return ((gras_procdata_t*)process->data)->pid;