timeouts reading from spawned processes

[blank.git] / src / app / Process.hpp

diff --git a/src/app/Process.hpp b/src/app/Process.hpp
index 732fd2f4ac413c49eef56234bc1daf1569d57843..0e84ccdd1e1f1c5c4fb5ed1b81ca623e21498997 100644 (file)
--- a/src/app/Process.hpp
+++ b/src/app/Process.hpp
@@ -38,15 +38,19 @@ public:
 
        /// read from the process' output stream
        /// data is stored in the given buffer, at most max_len bytes
+       /// timeout is the number of milliseconds to wait for the process
+       /// to produce output, -1 for indefinite
        /// @return the number of bytes read
-       std::size_t ReadOut(void *buffer, std::size_t max_len);
+       std::size_t ReadOut(void *buffer, std::size_t max_len, int timeout);
        /// close program's output stream
        void CloseOut();
 
        /// read from the process' error stream
        /// data is stored in the given buffer, at most max_len bytes
+       /// timeout is the number of milliseconds to wait for the process
+       /// to produce output, -1 for indefinite
        /// @return the number of bytes read
-       std::size_t ReadErr(void *buffer, std::size_t max_len);
+       std::size_t ReadErr(void *buffer, std::size_t max_len, int timeout);
        /// close program's output stream
        void CloseErr();