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Diffstat (limited to 'lib/librte_eal/common/eal_common_errno.c')
-rw-r--r--lib/librte_eal/common/eal_common_errno.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/lib/librte_eal/common/eal_common_errno.c b/lib/librte_eal/common/eal_common_errno.c
new file mode 100644
index 0000000..9ed45e5
--- /dev/null
+++ b/lib/librte_eal/common/eal_common_errno.c
@@ -0,0 +1,72 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2012 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
+ * are met:
+ *
+ * * 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
+ * distribution.
+ * * 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
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * version: DPDK.L.1.2.3-3
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <errno.h>
+
+#include <rte_per_lcore.h>
+#include <rte_errno.h>
+#include <rte_string_fns.h>
+
+RTE_DEFINE_PER_LCORE(int, _rte_errno);
+
+const char *
+rte_strerror(int errnum)
+{
+#define RETVAL_SZ 256
+ static RTE_DEFINE_PER_LCORE(char[RETVAL_SZ], retval);
+
+ /* since some implementations of strerror_r throw an error
+ * themselves if errnum is too big, we handle that case here */
+ if (errnum > RTE_MAX_ERRNO)
+ rte_snprintf(RTE_PER_LCORE(retval), RETVAL_SZ,
+ "Unknown error %d", errnum);
+ else
+ switch (errnum){
+ case E_RTE_SECONDARY:
+ return "Invalid call in secondary process";
+ case E_RTE_NO_CONFIG:
+ return "Missing rte_config structure";
+ case E_RTE_NO_TAILQ:
+ return "No TAILQ initialised";
+ default:
+ strerror_r(errnum, RTE_PER_LCORE(retval), RETVAL_SZ);
+ }
+
+ return RTE_PER_LCORE(retval);
+}