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 "gras_modinter.h" /* module init/exit */
15 #include "xbt_modinter.h" /* module init/exit */
18 #include "gras/process.h" /* FIXME: killme and put process_init in modinter */
20 #include "portable.h" /* hexa_*(); signalling stuff */
22 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(gras,XBT_LOG_ROOT_CAT,"All GRAS categories (cf. section \ref GRAS_API)");
23 static int gras_running_process = 0;
25 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
26 static void gras_sigusr_handler(int sig) {
27 INFO0("SIGUSR1 received. Display the backtrace");
28 xbt_backtrace_display();
32 void gras_init(int *argc,char **argv) {
34 VERB0("Initialize GRAS");
36 /* First initialize the XBT */
39 /* module registrations:
40 * - declare process specific data we need (without creating them)
42 if (gras_running_process == 0) {
48 * Initialize the process specific stuff
50 gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
53 * Initialize the global stuff if it's not the first process created
55 if (gras_running_process++ == 0) {
60 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
61 signal(SIGUSR1,gras_sigusr_handler);
66 void gras_exit(void) {
67 INFO0("Exiting GRAS");
68 if (--gras_running_process == 0) {
78 const char *hexa_str(unsigned char *data, int size) {
79 static char*buff=NULL;
80 static int buffsize=0;
83 if (buffsize<5*(size+1)) {
87 buff=xbt_malloc(buffsize);
89 for (i=0;i<size;i++) {
90 if (data[i]<32 || data[i]>126)
91 sprintf(buff+pos,".(%02x)",data[i]);
93 sprintf(buff+pos,"%c(%02x)",data[i],data[i]);
99 void hexa_print(const char*name, unsigned char *data, int size) {
100 printf("%s: %s\n", name,hexa_str(data,size));