[mc] pread_whole must restart in cas of EINTR, not EAGAIN

This probably won't happen with this file anyway.

diff --git a/src/mc/mc_page_snapshot.cpp b/src/mc/mc_page_snapshot.cpp
index f2e227a..833d70c 100644 (file)
--- a/src/mc/mc_page_snapshot.cpp
+++ b/src/mc/mc_page_snapshot.cpp
@@ -67,9 +67,9 @@ static size_t pread_whole(int fd, void* buf, size_t count, off_t offset) {
     if (n==0)
       return res;
 
     if (n==0)
       return res;
 

-    // Error (or EAGAIN):
+    // Error (or EINTR):

     if (n==-1) {
     if (n==-1) {

-      if (errno == EAGAIN)
+      if (errno == EINTR)

         continue;
       else
         return -1;
         continue;
       else
         return -1;