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-rw-r--r--mysys/my_write.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mysys/my_write.c b/mysys/my_write.c
index c77c3a1cb2b..4b1ccb6fe41 100644
--- a/mysys/my_write.c
+++ b/mysys/my_write.c
@@ -40,6 +40,11 @@ size_t my_write(File Filedes, const uchar *Buffer, size_t Count, myf MyFlags)
#else
writtenbytes= write(Filedes, Buffer, Count);
#endif
+ DBUG_EXECUTE_IF("simulate_file_write_error",
+ {
+ errno= ENOSPC;
+ writtenbytes= (size_t) -1;
+ });
if (writtenbytes == Count)
break;
if (writtenbytes != (size_t) -1)