1 files changed, 103 insertions, 0 deletions
diff --git a/Radio/HW/BladeRF/src/init_fini.c b/Radio/HW/BladeRF/src/init_fini.c
new file mode 100644
index 0000000..f38eaf5
--- /dev/null
+++ b/Radio/HW/BladeRF/src/init_fini.c
@@ -0,0 +1,103 @@
+/*
+ * This file is part of the bladeRF project:
+ *   http://www.github.com/nuand/bladeRF
+ *
+ * Copyright (C) 2013 Nuand LLC
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <stdlib.h>
+#include <stdio.h>
+#include <limits.h>
+#include <string.h>
+#include "conversions.h"
+#include "version.h"
+#if !defined(WIN32) && !defined(__CYGWIN__) && defined(LOG_SYSLOG_ENABLED)
+#include <syslog.h>
+#endif
+#include "log.h"
+
+#if !defined(WIN32) && !defined(__CYGWIN__)
+#if !defined(__clang__) && !defined(__GNUC__)
+#error init/fini mechanism not known to work for your compiler.
+#endif
+#define __init __attribute__((constructor))
+#define __fini __attribute__((destructor))
+#else
+/* Corresponding syntax for Windows (TBD) */
+#define __init
+#define __fini
+#endif
+
+#ifdef LOG_SYSLOG_ENABLED
+#   define DEF_LOG_LEVEL BLADERF_LOG_LEVEL_WARNING
+#else
+#   define DEF_LOG_LEVEL BLADERF_LOG_LEVEL_INFO
+#endif
+#define ENV_LOG_LEVEL "BLADERF_LOG_LEVEL"
+
+/* Module initializers/deinitializers. When used as library (who don't have
+ * a natural entry/exit function) these are used to initialize
+ * deinitialize. Use to set predefined/default states and cleanup.
+ *
+ * This will work with shared libraries as well as with static as they get
+ * invoked by RTL load/unload, with or without C++ code (i.e. functions will
+ * play nice with C++ normal ctors/dtors).
+ *
+ * Keep log in to at least once per new build-/run-environment assert that
+ * the mechanism works.
+ */
+
+static int get_loglevel(void) {
+    int log_level = DEF_LOG_LEVEL;
+
+    if ((getenv(ENV_LOG_LEVEL) != NULL)
+        && (strlen(getenv(ENV_LOG_LEVEL)) > 0)) {
+
+        bool valid_value;
+        log_level = str2loglevel(getenv(ENV_LOG_LEVEL), &valid_value);
+
+        if (!valid_value) {
+            log_level = DEF_LOG_LEVEL;
+        }
+    }
+    return log_level;
+}
+
+void __init __bladerf_init(void)
+{
+    int log_level = get_loglevel();
+
+#if !defined(WIN32) && !defined(__CYGWIN__) && defined(LOG_SYSLOG_ENABLED)
+    openlog("bladeRF",
+            LOG_CONS | LOG_NDELAY | LOG_NOWAIT | LOG_PERROR | LOG_PID,
+            LOG_USER);
+#endif
+
+    bladerf_log_set_verbosity(log_level);
+    log_debug("libbladeRF %s: initializing\n", LIBBLADERF_VERSION);
+}
+
+void __fini __bladerf_fini(void)
+{
+    int log_level = get_loglevel();
+
+    bladerf_log_set_verbosity(log_level);
+    log_debug("libbladeRF %s: deinitializing\n", LIBBLADERF_VERSION);
+    fflush(NULL);
+#if !defined(WIN32) && !defined(__CYGWIN__) && defined(LOG_SYSLOG_ENABLED)
+    closelog();
+#endif
+}