1 files changed, 41 insertions, 0 deletions
diff --git a/c/src/exec/posix/src/unistd.c b/c/src/exec/posix/src/unistd.c
new file mode 100644
index 0000000000..8d930ce33c
--- /dev/null
+++ b/c/src/exec/posix/src/unistd.c
@@ -0,0 +1,41 @@
+/*
+ *  $Id$
+ */
+
+#include <time.h>
+#include <unistd.h>
+
+#include <rtems/system.h>
+
+
+/*
+ *  3.4.3 Delay Process Execution, P1003.1b-1993, p. 81
+ */
+
+unsigned int sleep(
+  unsigned int seconds
+)
+{
+  /* XXX can we get away with this implementation? */
+  struct timespec tp;
+  struct timespec tm;
+
+  tp.tv_sec = seconds;
+  tp.tv_nsec = 0;
+
+  nanosleep( &tp, &tm );
+
+  return tm.tv_sec;       /* seconds remaining */
+}
+
+/*PAGE
+ *
+ *  4.8.1 Get Configurable System Variables, P1003.1b-1993, p. 95
+ */
+
+long sysconf(
+  int name
+)
+{
+  return POSIX_NOT_IMPLEMENTED();
+}