ad hoc flow control

1 files changed, 26 insertions, 2 deletions

diff --git a/src/zenmaster/zenmaster.cpp b/src/zenmaster/zenmaster.cpp
index 4981a3eb0..c9576e4a4 100644
--- a/src/zenmaster/zenmaster.cpp
+++ b/src/zenmaster/zenmaster.cpp
@@ -44,7 +44,30 @@ ZEN_THIRD_PARTY_INCLUDES_END
 #if ZEN_PLATFORM_LINUX || ZEN_PLATFORM_MAC
 #	include <sys/ioctl.h>
 #	include <unistd.h>
-#endif
+#	include <termios.h>
+
+char getch(void)
+{
+    char buf = 0;
+    struct termios old = {0};
+    fflush(stdout);
+    if(tcgetattr(0, &old) < 0)
+        perror("tcsetattr()");
+    old.c_lflag &= ~ICANON;
+    old.c_lflag &= ~ECHO;
+    old.c_cc[VMIN] = 1;
+    old.c_cc[VTIME] = 0;
+    if(tcsetattr(0, TCSANOW, &old) < 0)
+        perror("tcsetattr ICANON");
+    if(read(0, &buf, 1) < 0)
+        perror("read()");
+    old.c_lflag |= ICANON;
+    old.c_lflag |= ECHO;
+    if(tcsetattr(0, TCSADRAIN, &old) < 0)
+        perror("tcsetattr ~ICANON");
+    return buf;
+ }
+ #endif
 
 //////////////////////////////////////////////////////////////////////////
 
@@ -338,7 +361,8 @@ main(int argc, char** argv)
 			}
 		});
 
-		zen::Sleep(10000);
+		ZEN_INFO("press any key to tear instances down");
+		::getch();
 
 		TimedBlock("Shutting down instances", [&] {
 			for (int i = 0; i < SpawnCount; ++i)