Add support for capturing stdout/err in Application
This also makes it so that the Application object can poll instead of
just relying on SIGCHLD to watch for application stops, to make it a bit
cleaner for simple use-cases.
Change-Id: I8af71e1dd89e0cfa1b189ba1e5264df0df9b9560
Signed-off-by: James Kuszmaul <james.kuszmaul@bluerivertech.com>
diff --git a/aos/util/scoped_pipe.h b/aos/util/scoped_pipe.h
index 6716fb5..fb91e02 100644
--- a/aos/util/scoped_pipe.h
+++ b/aos/util/scoped_pipe.h
@@ -3,8 +3,8 @@
#include <stdint.h>
+#include <memory>
#include <optional>
-#include <tuple>
#include "absl/types/span.h"
@@ -16,11 +16,18 @@
class ScopedReadPipe;
class ScopedWritePipe;
- static std::tuple<ScopedReadPipe, ScopedWritePipe> MakePipe();
+ struct PipePair {
+ std::unique_ptr<ScopedReadPipe> read;
+ std::unique_ptr<ScopedWritePipe> write;
+ };
+
+ static PipePair MakePipe();
virtual ~ScopedPipe();
int fd() const { return fd_; }
+ // Sets FD_CLOEXEC on the file descriptor.
+ void SetCloexec();
private:
ScopedPipe(int fd = -1);