exec: close child pipes from the parent process

[nit.git] / lib / core / exec.nit

diff --git a/lib/core/exec.nit b/lib/core/exec.nit
index d5ab952..fedc5de 100644 (file)
--- a/lib/core/exec.nit
+++ b/lib/core/exec.nit
@@ -164,7 +164,7 @@ class Process
                                return NULL;
                        }
                        start_info.hStdInput = in_fd[0];
-                       result->in_fd = _open_osfhandle((intptr_t)in_fd[1], _O_APPEND);
+                       result->in_fd = _open_osfhandle((intptr_t)in_fd[1], _O_WRONLY);
                        if ( !SetHandleInformation(in_fd[1], HANDLE_FLAG_INHERIT, 0) )
                                return NULL;
                } else {
@@ -214,6 +214,10 @@ class Process
                        &start_info,
                        &proc_info);
 
+               if (pipeflag & 1) CloseHandle(in_fd[0]);
+               if (pipeflag & 2) CloseHandle(out_fd[1]);
+               if (pipeflag & 3) CloseHandle(err_fd[1]);
+
                // Error?
                if (!created) {
                        result->running = 0;