diff options
Diffstat (limited to 'lib/System/Unix/Program.inc')
| -rw-r--r-- | lib/System/Unix/Program.inc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/System/Unix/Program.inc b/lib/System/Unix/Program.inc index c10498a375ac..b4cc875df8c7 100644 --- a/lib/System/Unix/Program.inc +++ b/lib/System/Unix/Program.inc @@ -113,8 +113,9 @@ static bool RedirectIO(const Path *Path, int FD, std::string* ErrMsg) { } // Install it as the requested FD - if (-1 == dup2(InFD, FD)) { + if (dup2(InFD, FD) == -1) { MakeErrMsg(ErrMsg, "Cannot dup2"); + close(InFD); return true; } close(InFD); // Close the original FD |