unify errno for crossing platform

src/sf_define.h

@@ -53,17 +53,23 @@
 #define SF_RETRIABLE_ERROR_NO_CHANNEL      9914
 #define SF_RETRIABLE_ERROR_CHANNEL_INVALID 9915  //client should re-setup channel
 
+//std errno wrapper for crossing platform
+#define SF_ERROR_EINVAL       8811
+#define SF_ERROR_EAGAIN       8835
+#define SF_ERROR_EOVERFLOW    8884
+
 #define SF_FORCE_CLOSE_CONNECTION_ERROR_MIN  SF_RETRIABLE_ERROR_NOT_MASTER
 #define SF_FORCE_CLOSE_CONNECTION_ERROR_MAX  SF_RETRIABLE_ERROR_MAX
 
 #define SF_IS_RETRIABLE_ERROR(code) \
     ((code >= SF_RETRIABLE_ERROR_MIN && code <= SF_RETRIABLE_ERROR_MAX) || \
-     (code == EAGAIN) || is_network_error(code))
+     (code == SF_ERROR_EAGAIN) || is_network_error(code))
 
 #define SF_FORCE_CLOSE_CONNECTION_ERROR(code) \
     ((code >= SF_FORCE_CLOSE_CONNECTION_ERROR_MIN &&  \
       code <= SF_FORCE_CLOSE_CONNECTION_ERROR_MAX) || \
-      (result == EINVAL) || (result == EOVERFLOW)  || \
+      (result == SF_ERROR_EINVAL) ||     \
+      (result == SF_ERROR_EOVERFLOW)  || \
       (result != 0 && is_network_error(code)))
 
 

src/sf_util.c

@@ -183,6 +183,12 @@ const char *sf_strerror(const int errnum)
             return "idempotency channel not exist";
         case SF_RETRIABLE_ERROR_CHANNEL_INVALID:
             return "idempotency channel is invalid";
+        case SF_ERROR_EINVAL:
+            return STRERROR(EINVAL);
+        case SF_ERROR_EAGAIN:
+            return STRERROR(EAGAIN);
+        case SF_ERROR_EOVERFLOW:
+            return STRERROR(EOVERFLOW);
         default:
             return STRERROR(errnum);
     }

src/sf_util.h

@@ -20,6 +20,7 @@
 
 #include "fastcommon/logger.h"
 #include "fastcommon/sched_thread.h"
+#include "sf_define.h"
 #include "sf_types.h"
 
 #ifdef DEBUG_FLAG  /*only for format check*/
@@ -89,6 +90,20 @@ static inline void sf_setup_schedule(struct log_context *pContext,
     scheduleArray->count = scheduleEntry - scheduleArray->entries;
 }
 
+static inline int sf_unify_errno(const int errnum)
+{
+    switch (errnum) {
+        case EINVAL:
+            return SF_ERROR_EINVAL;
+        case EAGAIN:
+            return SF_ERROR_EAGAIN;
+        case EOVERFLOW:
+            return SF_ERROR_EOVERFLOW;
+        default:
+            return errnum;
+    }
+}
+
 const char *sf_strerror(const int errnum);
 
 #ifdef __cplusplus