From 9f8f1cc5cf565ebe09a9f9c4b3b1f66ab6c22c21 Mon Sep 17 00:00:00 2001
From: Gregory Nutt <gnutt@nuttx.org>
Date: Sun, 16 Sep 2018 11:07:24 -0600
Subject: [PATCH] libs/libc/wqueue/work_usrthread.c:  Fix some errors that I
 introduced in a recent commit.

---
 libs/libc/wqueue/work_usrthread.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/libs/libc/wqueue/work_usrthread.c b/libs/libc/wqueue/work_usrthread.c
index b0f06c3a98..42ee091eb5 100644
--- a/libs/libc/wqueue/work_usrthread.c
+++ b/libs/libc/wqueue/work_usrthread.c
@@ -42,6 +42,7 @@
 #include <stdint.h>
 #include <unistd.h>
 #include <pthread.h>
+#include <signal.h>
 #include <sched.h>
 #include <errno.h>
 #include <assert.h>
@@ -268,7 +269,7 @@ void work_process(FAR struct usr_wqueue_s *wqueue)
    * signals directed to the worker thread to pend.
    */
 
-  (void)nxsig_procmask(SIG_BLOCK, &sigset, &oldset);
+  (void)sigprocmask(SIG_BLOCK, &sigset, &oldset);
   work_unlock();
 
   if (next == WORK_DELAY_MAX)
@@ -291,10 +292,10 @@ void work_process(FAR struct usr_wqueue_s *wqueue)
       rqtp.tv_sec  = sec;
       rqtp.tv_nsec = (next - (sec * 1000000)) * 1000;
 
-      sigtimewait(&sigset, NULL, &rqtp);
+      sigtimedwait(&sigset, NULL, &rqtp);
     }
 
-  (void)nxsig_procmask(SIG_SETMASK, &oldset, NULL);
+  (void)sigprocmask(SIG_SETMASK, &oldset, NULL);
 }
 
 /****************************************************************************