3 /* gras.c -- generic functions not fitting anywhere else */
5 /* Copyright (c) 2003, 2004 Martin Quinson. */
6 /* All rights reserved. */
8 /* This program is free software; you can redistribute it and/or modify it
9 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "xbt/virtu.h" /* set the XBT virtualization to use GRAS */
13 #include "xbt/module.h" /* xbt_init/exit */
14 #include "xbt/xbt_os_time.h" /* xbt_os_time */
15 #include "xbt/synchro.h"
17 #include "Virtu/virtu_interface.h" /* Module mechanism FIXME: deplace&rename */
18 #include "Virtu/virtu_private.h"
19 #include "gras_modinter.h" /* module init/exit */
20 #include "amok/amok_modinter.h" /* module init/exit */
21 #include "xbt_modinter.h" /* module init/exit */
24 #include "gras/process.h" /* FIXME: killme and put process_init in modinter */
25 #include "gras/Msg/msg_private.h"
26 #include "portable.h" /* hexa_*(); signalling stuff */
28 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras,XBT_LOG_ROOT_CAT,"All GRAS categories (cf. section \ref GRAS_API)");
29 static int gras_running_process = 0;
30 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
31 static void gras_sigusr_handler(int sig) {
32 INFO0("SIGUSR1 received. Display the backtrace");
33 xbt_backtrace_display_current();
36 static void gras_sigint_handler(int sig) {
37 static double lastone = 0;
38 if (lastone == 0 || xbt_os_time() - lastone > 5) {
39 xbt_backtrace_display_current();
41 "\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
42 lastone = xbt_os_time();
49 void gras_init(int *argc,char **argv) {
52 gras_msg_procdata_t msg_pd;
53 VERB0("Initialize GRAS");
55 xbt_getpid = &gras_os_getpid;
56 /* First initialize the XBT */
59 /* module registrations:
60 * - declare process specific data we need (without creating them)
62 if (gras_running_process == 0) {
68 * Initialize the process specific stuff
70 gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
73 * Initialize the global stuff if it's not the first process created
75 if (gras_running_process++ == 0) {
80 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
82 signal(SIGUSR1,gras_sigusr_handler);
84 signal(SIGINT,gras_sigint_handler);
88 /* and then init amok */
90 pd = gras_procdata_get();
91 msg_pd = gras_libdata_by_name("gras_msg");
92 pd->listener = gras_msg_listener_launch(msg_pd->msg_received);
95 void gras_exit(void) {
97 INFO0("Exiting GRAS");
100 pd = gras_procdata_get();
101 gras_msg_listener_shutdown(pd->listener);
103 if (--gras_running_process == 0) {
106 gras_datadesc_exit();
113 const char *hexa_str(unsigned char *data, int size, int downside) {
114 static char*buff=NULL;
115 static int buffsize=0;
119 if (buffsize<5*(size+1)) {
123 buff=xbt_malloc(buffsize);
135 for (i=begin; 0<=i && i<size ; i+=increment) {
136 if (data[i]<32 || data[i]>126)
137 sprintf(buff+pos,".");
139 sprintf(buff+pos,"%c",data[i]);
142 sprintf(buff+pos,"(");
144 for (i=begin; 0<=i && i<size ; i+=increment) {
145 sprintf(buff+pos,"%02x",data[i]);
148 sprintf(buff+pos,")");
153 void hexa_print(const char*name, unsigned char *data, int size) {
154 printf("%s: %s\n", name,hexa_str(data,size,0));