1 /* file_appender - a dumb log appender which simply prints to a file */
3 /* Copyright (c) 2007-2012. The SimGrid Team. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "xbt/sysdep.h"
9 #include "xbt/log_private.h"
11 #include "smpi/private.h" // to access bench_begin/end. Not ultraclean, I confess
15 static void append_file(xbt_log_appender_t this_, char *str) {
16 fputs(str, (FILE *) this_->data);
19 static void smpi_append_file(xbt_log_appender_t this_, char *str) {
20 fputs(str, (FILE *) this_->data);
23 static void free_(xbt_log_appender_t this_) {
24 if (this_->data != stderr)
29 void __smpi_bench_dont (void); // Stupid prototype
30 void __smpi_bench_dont (void) { /* I'm only a place-holder in case we link without SMPI */; }
31 void smpi_bench_begin(void) __attribute__ ((weak, alias ("__smpi_bench_dont")));
32 void smpi_bench_end(void) __attribute__ ((weak, alias ("__smpi_bench_dont")));
35 XBT_LOG_EXTERNAL_CATEGORY(smpi); // To detect if SMPI is inited
37 xbt_log_appender_t xbt_log_appender_file_new(char *arg) {
39 xbt_log_appender_t res = xbt_new0(s_xbt_log_appender_t, 1);
40 if (_XBT_LOGV(smpi).initialized) // HACK to detect if we run in SMPI mode. Relies on MAIN__ source disposition
41 res->do_append = smpi_append_file;
43 res->do_append = append_file;
46 res->data = (void *) fopen(arg, "w");
48 res->data = (void *) stderr;