diff options
| -rw-r--r-- | libbutl/fdstream.cxx | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libbutl/fdstream.cxx b/libbutl/fdstream.cxx index 18f611f..8098e50 100644 --- a/libbutl/fdstream.cxx +++ b/libbutl/fdstream.cxx @@ -34,6 +34,7 @@ # include <wchar.h> // wcsncmp(), wcsstr() +# include <thread> // this_thread::yield() # include <algorithm> // count() #endif @@ -2064,7 +2065,9 @@ namespace butl // Use exponential backoff but not too aggressive and with 25ms max. // - DWORD t (static_cast<DWORD> (i >= 100 ? 25 : 1 + (i / 4))); + DWORD t ( + static_cast<DWORD> (i <= 1000 ? 0 : + i >= 1000 + 100 ? 25 : 1 + ((i - 1000) / 4))); if (timeout) { @@ -2081,7 +2084,10 @@ namespace butl break; } - Sleep (t); + if (t == 0) + this_thread::yield (); + else + Sleep (t); } return make_pair (r, 0); |