1 files changed, 101 insertions, 0 deletions
diff --git a/c/src/lib/libc/no_posix.c b/c/src/lib/libc/no_posix.c
new file mode 100644
index 0000000000..9973230e44
--- /dev/null
+++ b/c/src/lib/libc/no_posix.c
@@ -0,0 +1,101 @@
+/*
+ *  Marginal implementations of some POSIX API routines
+ *  to be used when POSIX is disabled.
+ *
+ *    + getpid
+ *    + _getpid_r
+ *    + kill
+ *    + _kill_r
+ *    + __kill
+ *    + sleep
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.OARcorp.com/rtems/license.html.
+ *
+ *  $Id$
+ */
+
+#include <rtems.h>
+
+#include <unistd.h>
+
+/*
+ *  These are directly supported (and completely correct) in the posix api.
+ */
+
+#if !defined(RTEMS_POSIX_API)
+pid_t getpid(void)
+{
+  return 0;
+}
+
+#if defined(RTEMS_NEWLIB)
+#include <sys/reent.h>
+
+pid_t _getpid_r(
+  struct _reent *ptr
+)
+{
+  return getpid();
+}
+#endif
+
+#endif
+
+#if !defined(RTEMS_POSIX_API)
+int kill( pid_t pid, int sig )
+{
+  return 0;
+}
+
+int _kill_r( pid_t pid, int sig )
+{
+  return 0;
+}
+#endif
+
+int __kill( pid_t pid, int sig )
+{
+  return 0;
+}
+
+
+/*
+ *  3.4.3 Delay Process Execution, P1003.1b-1993, p. 81
+ *
+ *  $Id$
+ */ 
+
+#include <time.h>
+#include <unistd.h> 
+
+#include <rtems.h>
+
+#if !defined(RTEMS_POSIX_API)
+unsigned int sleep(
+  unsigned int seconds
+)
+{
+  rtems_status_code status;
+  rtems_interval    ticks_per_second;
+  rtems_interval    ticks;
+
+  status = rtems_clock_get(
+  RTEMS_CLOCK_GET_TICKS_PER_SECOND,
+  &ticks_per_second
+  );
+
+  ticks = seconds * ticks_per_second;
+
+  status = rtems_task_wake_after( ticks );
+
+  /*
+   *  Returns the "unslept" amount of time.  In RTEMS signals are not
+   *  interruptable, so tasks really sleep all of the requested time.
+   */
+
+  return 0;
+}
+#endif
+