From 3e8ad023348059a52c1ce080e6449deda029c0ad Mon Sep 17 00:00:00 2001
From: Matthew Flatt <mflatt@racket-lang.org>
Date: Sun, 25 Jun 2017 08:38:30 -0600
Subject: [PATCH] rktio: add some missing `#include`s in some configurations

---
 racket/src/racket/src/jitstack.c  | 2 +-
 racket/src/rktio/rktio_flock.c    | 1 +
 racket/src/rktio/rktio_poll_set.c | 3 +++
 racket/src/rktio/rktio_process.c  | 3 +++
 4 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/racket/src/racket/src/jitstack.c b/racket/src/racket/src/jitstack.c
index f69f459559..53618956e3 100644
--- a/racket/src/racket/src/jitstack.c
+++ b/racket/src/racket/src/jitstack.c
@@ -743,7 +743,7 @@ void* scheme_jit_find_code_end(void *p) { return NULL; }
 
 void scheme_thread_start_child(Scheme_Thread *child, Scheme_Object *child_thunk)
 {
-  return scheme_do_thread_start_child(child, child_thunk);
+  scheme_do_thread_start_child(child, child_thunk);
 }
 
 #endif
diff --git a/racket/src/rktio/rktio_flock.c b/racket/src/rktio/rktio_flock.c
index 3a3207eefa..2e81516c83 100644
--- a/racket/src/rktio/rktio_flock.c
+++ b/racket/src/rktio/rktio_flock.c
@@ -15,6 +15,7 @@
 #if defined(RKTIO_USE_FCNTL_AND_FORK_FOR_FILE_LOCKS)
 #include <unistd.h>
 #include <fcntl.h>
+#include <sys/wait.h>
 typedef struct pair_t { int car, cdr; } pair_t;
 #endif
 
diff --git a/racket/src/rktio/rktio_poll_set.c b/racket/src/rktio/rktio_poll_set.c
index cbc38bdbf2..b2ea330260 100644
--- a/racket/src/rktio/rktio_poll_set.c
+++ b/racket/src/rktio/rktio_poll_set.c
@@ -6,6 +6,9 @@
 # include <fcntl.h>
 # include <errno.h>
 # include <math.h>
+# ifdef USE_ULIMIT
+#  include <ulimit.h>
+# endif
 #endif
 #ifdef HAVE_POLL_SYSCALL
 # include <poll.h>
diff --git a/racket/src/rktio/rktio_process.c b/racket/src/rktio/rktio_process.c
index 1a1bc20067..fee1dae5c5 100644
--- a/racket/src/rktio/rktio_process.c
+++ b/racket/src/rktio/rktio_process.c
@@ -9,6 +9,9 @@
 # include <sys/wait.h>
 # include <errno.h>
 # include <unistd.h>
+# ifdef USE_ULIMIT
+#  include <ulimit.h>
+# endif
 #endif
 
 #if defined(RKTIO_SYSTEM_UNIX) && defined(RKTIO_USE_PTHREADS)