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/module.h" /* xbt_init/exit */
14 #include "Virtu/virtu_interface.h" /* Module mechanism FIXME: deplace&rename */
15 #include "gras_modinter.h" /* module init/exit */
16 #include "amok/amok_modinter.h" /* module init/exit */
17 #include "xbt_modinter.h" /* module init/exit */
20 #include "gras/process.h" /* FIXME: killme and put process_init in modinter */
22 #include "portable.h" /* hexa_*(); signalling stuff */
24 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras,XBT_LOG_ROOT_CAT,"All GRAS categories (cf. section \ref GRAS_API)");
25 static int gras_running_process = 0;
27 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
28 static void gras_sigusr_handler(int sig) {
29 INFO0("SIGUSR1 received. Display the backtrace");
30 xbt_backtrace_display();
33 static void gras_sigint_handler(int sig) {
34 static double lastone = 0;
35 if (lastone == 0 || gras_os_time() - lastone > 5) {
36 lastone = gras_os_time();
37 xbt_backtrace_display();
38 fprintf(stderr,"\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
45 void gras_init(int *argc,char **argv) {
47 VERB0("Initialize GRAS");
49 /* First initialize the XBT */
52 /* module registrations:
53 * - declare process specific data we need (without creating them)
55 if (gras_running_process == 0) {
61 * Initialize the process specific stuff
63 gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
66 * Initialize the global stuff if it's not the first process created
68 if (gras_running_process++ == 0) {
73 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
75 signal(SIGUSR1,gras_sigusr_handler);
77 signal(SIGINT,gras_sigint_handler);
81 /* and then init amok */
85 void gras_exit(void) {
86 INFO0("Exiting GRAS");
89 if (--gras_running_process == 0) {
100 const char *hexa_str(unsigned char *data, int size, int downside) {
101 static char*buff=NULL;
102 static int buffsize=0;
105 if (buffsize<5*(size+1)) {
109 buff=xbt_malloc(buffsize);
121 for (i=begin; 0<=i && i<size ; i+=increment) {
122 if (data[i]<32 || data[i]>126)
123 sprintf(buff+pos,".");
125 sprintf(buff+pos,"%c",data[i]);
128 sprintf(buff+pos,"(");
130 for (i=begin; 0<=i && i<size ; i+=increment) {
131 sprintf(buff+pos,"%02x",data[i]);
134 sprintf(buff+pos,")");
139 void hexa_print(const char*name, unsigned char *data, int size) {
140 printf("%s: %s\n", name,hexa_str(data,size,0));