X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/90080b6e30497a2d34d6622e14ef9bbae209a981..bed55a06c0de08698519ba251e4c4298cc2ff4b6:/src/xbt/xbt_log_appender_file.c

diff --git a/src/xbt/xbt_log_appender_file.c b/src/xbt/xbt_log_appender_file.c
index d6a1b1a6b4..3c74fc7d69 100644
--- a/src/xbt/xbt_log_appender_file.c
+++ b/src/xbt/xbt_log_appender_file.c
@@ -1,33 +1,47 @@
-/* $Id$ */
+/* file_appender - a dumb log appender which simply prints to a file        */
 
-/* file_appender - a dumb log appender which simply prints to stdout        */
-
-/* Copyright (c) 2003, 2004 Martin Quinson. All rights reserved.            */
+/* Copyright (c) 2007-2012. 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/sysdep.h"
-#include "xbt/log.h"
+#include "xbt/log_private.h"
+#include "smpi/private.h" // to access bench_begin/end. Not ultraclean, I confess
 #include <stdio.h>
 
-/**
- * The root category's default logging function.
- */
+static void append_file(xbt_log_appender_t this_, char *str) {
+  fputs(str, (FILE *) this_->data);
+}
 
-extern const char *xbt_log_priority_names[7];
+static void smpi_append_file(xbt_log_appender_t this_, char *str) {
+  fputs(str, (FILE *) this_->data);
+}
 
+static void free_(xbt_log_appender_t this_) {
+  if (this_->data != stderr)
+    fclose(this_->data);
+}
 
-static void append_file(xbt_log_appender_t this_appender,
-			char *str) {
+void __smpi_bench_dont (void); // Stupid prototype
+void __smpi_bench_dont (void) { /* I'm only a place-holder in case we link without SMPI */; }
+void smpi_bench_begin(void) __attribute__ ((weak, alias ("__smpi_bench_dont")));
+void smpi_bench_end(void)   __attribute__ ((weak, alias ("__smpi_bench_dont")));
 
-  fprintf((FILE*)(this_appender->data), "%s", str);
-}
 
-xbt_log_appender_t xbt_log_appender_file_new(char *arg){
-  xbt_log_appender_t res = xbt_new0(s_xbt_log_appender_t,1);
-  res->do_append = append_file;
-  res->free_ = NULL;
-  res->data = (void*)stderr;
+XBT_LOG_EXTERNAL_CATEGORY(smpi); // To detect if SMPI is inited
+
+xbt_log_appender_t xbt_log_appender_file_new(char *arg) {
+
+  xbt_log_appender_t res = xbt_new0(s_xbt_log_appender_t, 1);
+  if (_XBT_LOGV(smpi).initialized) // HACK to detect if we run in SMPI mode. Relies on MAIN__ source disposition
+    res->do_append = smpi_append_file;
+  else
+    res->do_append = append_file;
+  res->free_ = free_;
+  if (arg)
+    res->data = (void *) fopen(arg, "w");
+  else
+    res->data = (void *) stderr;
   return res;
 }