From 4b48aa187bd7917842ec651dbd0322396b363c2f Mon Sep 17 00:00:00 2001
From: John Denker <jsd@av8n.com>
Date: Sun, 15 Jul 2012 00:43:51 -0700
Subject: annoying race condition, works sometimes but not reliable

---
 tools/hi-q.c       | 7 ++++---
 tools/hi-test.c    | 2 +-
 tools/hi-test.conf | 6 +++---
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/tools/hi-q.c b/tools/hi-q.c
index 14ca5ec..1e71ef4 100644
--- a/tools/hi-q.c
+++ b/tools/hi-q.c
@@ -217,7 +217,7 @@ int main(int argc, char** argv, char const * const * env) {
 //     doesn't choose it.  That allows N-1 of the kids
 //     to close it and dup() something useful onto it.
 
-  for (unsigned int ii=0; ii < nkids; ii++){  /* loop over all kids */
+  for (unsigned int ii=0; ii < nkids; ii++){  /* loop starting all kids */
     int datapipe[2];
     int kid_end;
 
@@ -307,13 +307,14 @@ int main(int argc, char** argv, char const * const * env) {
 // it is important to let kid#0 run a while;
 // otherwise it won't fully exist when the other kids start,
 // and depending race conditions, the setpgid could fail
-    if (1) usleep(0);
+////////???    if (1) usleep(0);
+  if (ii == 0) usleep(1);
 #if 1
     cerr << "forked kid #" << ii 
             << " (" << kidpid[ii] << ") "
             << endl;
 #endif
-  }
+  } /* end loop starting all kids */
 
 // here with the whole pipeline of kids running
 
diff --git a/tools/hi-test.c b/tools/hi-test.c
index 3befedd..01e475b 100644
--- a/tools/hi-test.c
+++ b/tools/hi-test.c
@@ -3,5 +3,5 @@
 
 using namespace std;
 int main(){
-  cerr << getpid() << " : " << getpgid(0) << endl;
+  cerr << "++++   " << getpid() << " : " << getpgid(0) << endl;
 }
diff --git a/tools/hi-test.conf b/tools/hi-test.conf
index d09ba81..6c697c2 100644
--- a/tools/hi-test.conf
+++ b/tools/hi-test.conf
@@ -1,3 +1,3 @@
-hi-test
-hi-test
-hi-test
+hi-test x0
+hi-test x1
+hi-test x2
-- 
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