Clear errno just in case.

GitOrigin-RevId: b45ff66a66fba605e5a1b500a1ab66eb87140e19
genesem · Jan 30, 2018 · 6cf95c3 · 6cf95c3
1 parent d7ecc96
commit 6cf95c3
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/tdutils/td/utils/port/Fd.h b/tdutils/td/utils/port/Fd.h
@@ -182,6 +182,7 @@ auto skip_eintr(F &&f) {
   decltype(f()) res;
   static_assert(std::is_integral<decltype(res)>::value, "integral type expected");
   do {
+    errno = 0;  // just in case
     res = f();
   } while (res < 0 && errno == EINTR);
   return res;
@@ -190,6 +191,7 @@ template <class F>
 auto skip_eintr_cstr(F &&f) {
   char *res;
   do {
+    errno = 0;  // just in case
     res = f();
   } while (res == nullptr && errno == EINTR);
   return res;