X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2e43b2f67e50679deaceaa445c1ad48ecacd2f47..2cc20f1526f80e1c731e986a50c5b77fa7e223d8:/src/gras/gras.c

diff --git a/src/gras/gras.c b/src/gras/gras.c
index a49174a30f..73615c52e5 100644
--- a/src/gras/gras.c
+++ b/src/gras/gras.c
@@ -1,51 +1,52 @@
-/* $Id$ */
-
 /* gras.c -- generic functions not fitting anywhere else                    */
 
-/* Copyright (c) 2003, 2004 Martin Quinson.                                 */
-/* All rights reserved.                                                     */
+/* Copyright (c) 2004, 2005, 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
 
 #include "xbt/log.h"
-#include "xbt/virtu.h" /* set the XBT virtualization to use GRAS */
-#include "xbt/module.h" /* xbt_init/exit */
-#include "xbt/xbt_os_time.h" /* xbt_os_time */
+#include "xbt/virtu.h"          /* set the XBT virtualization to use GRAS */
+#include "xbt/module.h"         /* xbt_init/exit */
+#include "xbt/xbt_os_time.h"    /* xbt_os_time */
 #include "xbt/synchro.h"
 
-#include "Virtu/virtu_interface.h" /* Module mechanism FIXME: deplace&rename */
+#include "Virtu/virtu_interface.h"      /* Module mechanism FIXME: deplace&rename */
 #include "Virtu/virtu_private.h"
-#include "gras_modinter.h"   /* module init/exit */
-#include "amok/amok_modinter.h"   /* module init/exit */
-#include "xbt_modinter.h"   /* module init/exit */
+#include "gras_modinter.h"      /* module init/exit */
+#include "amok/amok_modinter.h" /* module init/exit */
+#include "xbt_modinter.h"       /* module init/exit */
 
 #include "gras.h"
-#include "gras/process.h" /* FIXME: killme and put process_init in modinter */
+#include "gras/process.h"       /* FIXME: killme and put process_init in modinter */
 #include "gras/Msg/msg_private.h"
-#include "portable.h" /* hexa_*(); signalling stuff */
+#include "portable.h"           /* hexa_*(); signalling stuff */
 
-XBT_LOG_NEW_DEFAULT_CATEGORY(gras,"All GRAS categories (cf. section \ref GRAS_API)");
+XBT_LOG_NEW_DEFAULT_CATEGORY(gras,
+                             "All GRAS categories (cf. section \ref GRAS_API)");
 static int gras_running_process = 0;
 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
-static void gras_sigusr_handler(int sig) {
-   INFO0("SIGUSR1 received. Display the backtrace");
-   xbt_backtrace_display_current();
+static void gras_sigusr_handler(int sig)
+{
+  XBT_INFO("SIGUSR1 received. Display the backtrace");
+  xbt_backtrace_display_current();
 }
 
-static void gras_sigint_handler(int sig) {
-   static double lastone = 0;
-   if (lastone == 0 || xbt_os_time() - lastone > 5) {
-      if (gras_if_RL())
-    	  xbt_backtrace_display_current();
-      else
-    	  SIMIX_display_process_status();
-      fprintf(stderr,
-	      "\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
-      lastone = xbt_os_time();
-   } else {
-      exit(1);
-   }
+static void gras_sigint_handler(int sig)
+{
+  static double lastone = 0;
+  if (lastone == 0 || xbt_os_time() - lastone > 5) {
+    if (gras_if_RL())
+      xbt_backtrace_display_current();
+    else
+      SIMIX_display_process_status();
+    fprintf(stderr,
+            "\nBacktrace displayed because Ctrl-C was pressed. Press again (within 5 sec) to abort the process.\n");
+    lastone = xbt_os_time();
+  } else {
+    exit(1);
+  }
 }
 #endif
 
@@ -67,66 +68,73 @@ XBT_LOG_EXTERNAL_CATEGORY(gras_virtu);
 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu_emul);
 XBT_LOG_EXTERNAL_CATEGORY(gras_virtu_process);
 
-void gras_init(int *argc,char **argv) {
-
-	gras_procdata_t *pd;
-	gras_msg_procdata_t msg_pd;
-  VERB0("Initialize GRAS");
+/**
+ * @ingroup GRAS_API
+ * \brief Initialize the gras mechanisms.
+ */
+void gras_init(int *argc, char **argv)
+{
+  int first = 0;
+  gras_procdata_t *pd;
+  gras_msg_procdata_t msg_pd;
+  XBT_VERB("Initialize GRAS");
 
   xbt_getpid = gras_os_getpid;
   /* First initialize the XBT */
-  xbt_init(argc,argv);
+  xbt_init(argc, argv);
 
   /* module registrations:
    *    - declare process specific data we need (without creating them)
    */
   if (gras_running_process == 0) {
-     /* Connect our log channels: that must be done manually under windows */
-     XBT_LOG_CONNECT(gras_ddt, gras);
-       XBT_LOG_CONNECT(gras_ddt_cbps, gras_ddt);
-       XBT_LOG_CONNECT(gras_ddt_convert, gras_ddt);
-       XBT_LOG_CONNECT(gras_ddt_create, gras_ddt);
-       XBT_LOG_CONNECT(gras_ddt_exchange, gras_ddt);
-       XBT_LOG_CONNECT(gras_ddt_lexer, gras_ddt_parse);
-       XBT_LOG_CONNECT(gras_ddt_parse, gras_ddt);
+    first = 1;
+    /* Connect our log channels: that must be done manually under windows */
+    XBT_LOG_CONNECT(gras_ddt, gras);
+    XBT_LOG_CONNECT(gras_ddt_cbps, gras_ddt);
+    XBT_LOG_CONNECT(gras_ddt_convert, gras_ddt);
+    XBT_LOG_CONNECT(gras_ddt_create, gras_ddt);
+    XBT_LOG_CONNECT(gras_ddt_exchange, gras_ddt);
+    XBT_LOG_CONNECT(gras_ddt_lexer, gras_ddt_parse);
+    XBT_LOG_CONNECT(gras_ddt_parse, gras_ddt);
 
-     XBT_LOG_CONNECT(gras_modules, gras);
+    XBT_LOG_CONNECT(gras_modules, gras);
 
-     XBT_LOG_CONNECT(gras_msg, gras);
-       XBT_LOG_CONNECT(gras_msg_read, gras_msg);
-       XBT_LOG_CONNECT(gras_msg_rpc, gras_msg);
+    XBT_LOG_CONNECT(gras_msg, gras);
+    XBT_LOG_CONNECT(gras_msg_read, gras_msg);
+    XBT_LOG_CONNECT(gras_msg_rpc, gras_msg);
 
-     XBT_LOG_CONNECT(gras_timer, gras);
+    XBT_LOG_CONNECT(gras_timer, gras);
 
-     XBT_LOG_CONNECT(gras_trp, gras);
-       XBT_LOG_CONNECT(gras_trp_meas, gras_trp);
+    XBT_LOG_CONNECT(gras_trp, gras);
+    XBT_LOG_CONNECT(gras_trp_meas, gras_trp);
 
-     XBT_LOG_CONNECT(gras_virtu, gras);
-       XBT_LOG_CONNECT(gras_virtu_emul, gras_virtu);
-       XBT_LOG_CONNECT(gras_virtu_process, gras_virtu);
+    XBT_LOG_CONNECT(gras_virtu, gras);
+    XBT_LOG_CONNECT(gras_virtu_emul, gras_virtu);
+    XBT_LOG_CONNECT(gras_virtu_process, gras_virtu);
 
-     gras_trp_register();
-     gras_msg_register();
+    gras_trp_register();
+    gras_msg_register();
   }
+  gras_running_process++;
 
   /*
    * Initialize the process specific stuff
    */
-  gras_process_init(); /* calls procdata_init, which creates process specific data for each module */
+  gras_process_init();          /* calls procdata_init, which creates process specific data for each module */
 
   /*
    * Initialize the global stuff if it's not the first process created
    */
-  if (gras_running_process++ == 0) {
+  if (first) {
     gras_emul_init();
     gras_msg_init();
     gras_trp_init();
     gras_datadesc_init();
 #if defined(HAVE_SIGNAL) && defined(HAVE_SIGNAL_H)
 # ifdef SIGUSR1
-    signal(SIGUSR1,gras_sigusr_handler);
+    signal(SIGUSR1, gras_sigusr_handler);
 # endif
-    signal(SIGINT,gras_sigint_handler);
+    signal(SIGINT, gras_sigint_handler);
 #endif
   }
 
@@ -134,18 +142,21 @@ void gras_init(int *argc,char **argv) {
   amok_init();
 
   /* And finally, launch the listener thread */
-   pd = gras_procdata_get();
-   msg_pd = gras_libdata_by_name("gras_msg");
-   pd->listener = gras_msg_listener_launch(msg_pd->msg_received);
+  pd = gras_procdata_get();
+  msg_pd = gras_libdata_by_name("gras_msg");
+  pd->listener = gras_msg_listener_launch(msg_pd->msg_received);
 }
 
-void gras_exit(void) {
-	gras_procdata_t *pd;
-  INFO0("Exiting GRAS");
+/**
+ * @ingroup GRAS_API
+ * @brief Finalize the gras mechanisms.
+ * */
+void gras_exit(void)
+{
+  XBT_INFO("Exiting GRAS");
   amok_exit();
   gras_moddata_leave();
-	pd = gras_procdata_get();
-	gras_msg_listener_shutdown(pd->listener);
+  gras_msg_listener_shutdown();
   gras_process_exit();
   if (--gras_running_process == 0) {
     gras_msg_exit();
@@ -154,50 +165,51 @@ void gras_exit(void) {
     gras_emul_exit();
     gras_moddata_exit();
   }
-  xbt_exit();
 }
 
-const char *hexa_str(unsigned char *data, int size, int downside) {
-  static char*buff=NULL;
-  static int buffsize=0;
-  int i,pos=0;
-  int begin,increment;
+const char *hexa_str(unsigned char *data, int size, int downside)
+{
+  static char *buff = NULL;
+  static int buffsize = 0;
+  int i, pos = 0;
+  int begin, increment;
 
-  if (buffsize<5*(size+1)) {
+  if (buffsize < 5 * (size + 1)) {
     if (buff)
       free(buff);
-    buffsize=5*(size+1);
-    buff=xbt_malloc(buffsize);
+    buffsize = 5 * (size + 1);
+    buff = xbt_malloc(buffsize);
   }
 
 
   if (downside) {
-     begin=size-1;
-     increment=-1;
+    begin = size - 1;
+    increment = -1;
   } else {
-     begin=0;
-     increment=1;
+    begin = 0;
+    increment = 1;
   }
 
-  for (i=begin; 0<=i && i<size ; i+=increment)  {
-    if (data[i]<32 || data[i]>126)
-      sprintf(buff+pos,".");
+  for (i = begin; 0 <= i && i < size; i += increment) {
+    if (data[i] < 32 || data[i] > 126)
+      sprintf(buff + pos, ".");
     else
-      sprintf(buff+pos,"%c",data[i]);
+      sprintf(buff + pos, "%c", data[i]);
     while (buff[++pos]);
-   }
-  sprintf(buff+pos,"(");
+  }
+  sprintf(buff + pos, "(");
   while (buff[++pos]);
-  for (i=begin; 0<=i && i<size ; i+=increment)  {
-    sprintf(buff+pos,"%02x",data[i]);
+  for (i = begin; 0 <= i && i < size; i += increment) {
+    sprintf(buff + pos, "%02x", data[i]);
     while (buff[++pos]);
-   }
-  sprintf(buff+pos,")");
+  }
+  sprintf(buff + pos, ")");
   while (buff[++pos]);
-  buff[pos]='\0';
+  buff[pos] = '\0';
   return buff;
 }
-void hexa_print(const char*name, unsigned char *data, int size) {
-   printf("%s: %s\n", name,hexa_str(data,size,0));
-}
 
+void hexa_print(const char *name, unsigned char *data, int size)
+{
+  printf("%s: %s\n", name, hexa_str(data, size, 0));
+}