add FreeBSD support

[dpdk.git] / lib / librte_eal / linuxapp / eal / eal_log.c

diff --git a/lib/librte_eal/linuxapp/eal/eal_log.c b/lib/librte_eal/linuxapp/eal/eal_log.c
index 3d3d7ba..753f180 100644 (file)
--- a/lib/librte_eal/linuxapp/eal/eal_log.c
+++ b/lib/librte_eal/linuxapp/eal/eal_log.c
@@ -1,36 +1,34 @@
 /*-
  *   BSD LICENSE
  * 
- *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
  * 
- *   Redistribution and use in source and binary forms, with or without 
- *   modification, are permitted provided that the following conditions 
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
  *   are met:
  * 
- *     * Redistributions of source code must retain the above copyright 
+ *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright 
- *       notice, this list of conditions and the following disclaimer in 
- *       the documentation and/or other materials provided with the 
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
  *       distribution.
- *     * Neither the name of Intel Corporation nor the names of its 
- *       contributors may be used to endorse or promote products derived 
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
  * 
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
- *  version: DPDK.L.1.2.3-3
  */
 
 #include <string.h>
@@ -119,7 +117,7 @@ static cookie_io_functions_t console_log_func = {
  * once memzones are available.
  */
 int
-rte_eal_log_init(void)
+rte_eal_log_init(const char *id, int facility)
 {
        FILE *log_stream;
 
@@ -127,7 +125,7 @@ rte_eal_log_init(void)
        if (log_stream == NULL)
                return -1;
 
-       openlog("rte", LOG_NDELAY | LOG_PID, LOG_DAEMON);
+       openlog(id, LOG_NDELAY | LOG_PID, facility);
 
        if (rte_eal_common_log_init(log_stream) < 0)
                return -1;
@@ -135,3 +133,65 @@ rte_eal_log_init(void)
        return 0;
 }
 
+/* early logs */
+
+/*
+ * early log function, used during boot when mempool (hence log
+ * history) is not available
+ */
+static ssize_t
+early_log_write(__attribute__((unused)) void *c, const char *buf, size_t size)
+{
+       ssize_t ret;
+       ret = fwrite(buf, size, 1, stdout);
+       fflush(stdout);
+       if (ret == 0)
+               return -1;
+       return ret;
+}
+
+static ssize_t
+early_log_read(__attribute__((unused)) void *c,
+              __attribute__((unused)) char *buf,
+              __attribute__((unused)) size_t size)
+{
+       return 0;
+}
+
+static int
+early_log_seek(__attribute__((unused)) void *c,
+              __attribute__((unused)) off64_t *offset,
+              __attribute__((unused)) int whence)
+{
+       return -1;
+}
+
+static int
+early_log_close(__attribute__((unused)) void *c)
+{
+       return 0;
+}
+
+static cookie_io_functions_t early_log_func = {
+       .read  = early_log_read,
+       .write = early_log_write,
+       .seek  = early_log_seek,
+       .close = early_log_close
+};
+static FILE *early_log_stream;
+
+/*
+ * init the log library, called by rte_eal_init() to enable early
+ * logs
+ */
+int
+rte_eal_log_early_init(void)
+{
+       early_log_stream = fopencookie(NULL, "w+", early_log_func);
+       if (early_log_stream == NULL) {
+               printf("Cannot configure early_log_stream\n");
+               return -1;
+       }
+       rte_openlog_stream(early_log_stream);
+       return 0;
+}