1 files changed, 53 insertions, 0 deletions
diff --git a/src/autoplay/child_process.h b/src/autoplay/child_process.h
new file mode 100644
index 0000000..6c03ecd
--- /dev/null
+++ b/src/autoplay/child_process.h
@@ -0,0 +1,53 @@
+// child_process.h -- description
+
+#ifndef _CHILD_PROCESS_H_
+#define _CHILD_PROCESS_H_
+
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <vector>
+using namespace std;
+
+namespace util {
+
+class ChildProcess {
+ public:
+  explicit ChildProcess(const char *commandline)
+    : commandline_(strdup(commandline)),
+      name_(NULL),
+      running_(false),
+      pid_(-1),
+      to_(NULL),
+      from_(NULL),
+      child_ready_(false) {}
+  virtual ~ChildProcess() {
+    Stop();
+    free(commandline_);
+    commandline_ = NULL;
+  }
+
+  virtual void Start();
+  virtual void Stop();
+  void Send(char *line);
+  void Receive(char *line, int size);
+  bool Poll();
+  void Flush();
+
+ private:
+  void ParseCommandline(vector<char *> *args);
+  char *commandline_;
+  char *name_;
+  bool running_;
+  pid_t pid_;
+  int write_pipe_[2];
+  int read_pipe_[2];
+  FILE *to_;
+  FILE *from_;
+  volatile bool child_ready_;
+};
+
+}  // namespace
+
+#endif /* _CHILD_PROCESS_H_ */