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();
31 static void gras_sigint_handler(int sig) {
32 static double lastone = 0;
33 if (lastone == 0 || gras_os_time() - lastone > 5) {
34 lastone = gras_os_time();
35 xbt_backtrace_display();
36 fprintf(stderr,"\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
43 void gras_init(int *argc,char **argv) {
45 VERB0("Initialize GRAS");
47 /* First initialize the XBT */
50 /* module registrations:
51 * - declare process specific data we need (without creating them)
53 if (gras_running_process == 0) {
59 * Initialize the process specific stuff
61 gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
64 * Initialize the global stuff if it's not the first process created
66 if (gras_running_process++ == 0) {
71 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
72 signal(SIGUSR1,gras_sigusr_handler);
73 signal(SIGINT,gras_sigint_handler);
78 void gras_exit(void) {
79 INFO0("Exiting GRAS");
80 if (--gras_running_process == 0) {
90 const char *hexa_str(unsigned char *data, int size) {
91 static char*buff=NULL;
92 static int buffsize=0;
95 if (buffsize<5*(size+1)) {
99 buff=xbt_malloc(buffsize);
101 for (i=0;i<size;i++) {
102 if (data[i]<32 || data[i]>126)
103 sprintf(buff+pos,".(%02x)",data[i]);
105 sprintf(buff+pos,"%c(%02x)",data[i],data[i]);
111 void hexa_print(const char*name, unsigned char *data, int size) {
112 printf("%s: %s\n", name,hexa_str(data,size));