1 files changed, 84 insertions, 0 deletions
diff --git a/c/src/exec/posix/include/unistd.h b/c/src/exec/posix/include/unistd.h
new file mode 100644
index 0000000000..b81a8061fa
--- /dev/null
+++ b/c/src/exec/posix/include/unistd.h
@@ -0,0 +1,84 @@
+/* unistd.h
+ *
+ */
+
+#ifndef __POSIX_UNISTD_h
+#define __POSIX_UNISTD_h
+
+#include <rtems/posix/features.h>
+
+/*
+ *  4.8.1 Get Configurable System Variables, P1003.1b-1993, p. 96
+ *
+ *  NOTE: Table 4-2, Configurable System Variables, p. 96
+ */
+
+#define _SC_AIO_LISTIO_MAX          0
+#define _SC_AIO_MAX                 1
+#define _SC_AIO_PRIO_DELTA_MAX      2
+#define _SC_ARG_MAX                 3
+#define _SC_CHILD_MAX               4
+#define _SC_CLK_TCK                 5
+#define _SC_DELAYTIMER_MAX          6
+#define _SC_MQ_OPEN_MAX             7
+#define _SC_MQ_PRIO_MAX             8
+#define _SC_NGROUPS_MAX             9
+#define _SC_OPEN_MAX               10
+#define _SC_PAGESIZE               11
+#define _SC_RTSIG_MAX              12
+#define _SC_SEM_NSEMS_MAX          13
+#define _SC_SEM_VALUE_MAX          14
+#define _SC_SIGQUEUE_MAX           15
+#define _SC_STREAM_MAX             16
+#define _SC_TIMER_MAX              17
+#define _SC_TZNAME_MAX             18
+
+#define _SC_ASYNCHRONOUS_IO        19
+#define _SC_FSYNC                  20
+#define _SC_JOB_CONTROL            21
+#define _SC_MAPPED_FILES           22
+#define _SC_MEMLOCK                23
+#define _SC_MEMLOCK_RANGE          24
+#define _SC_MEMORY_PROTECTION      25
+#define _SC_MESSAGE_PASSING        26
+#define _SC_PRIORITIZED_IO         27
+#define _SC_REALTIME_SIGNALS       28
+#define _SC_SAVED_IDS              29
+#define _SC_SEMAPHORES             30
+#define _SC_SHARED_MEMORY_OBJECTS  31
+#define _SC_SYNCHRONIZED_IO        32
+#define _SC_TIMERS                 33
+#define _SC_VERSION                34
+
+/*
+ *  P1003.1c/D10, p. 52 adds the following.
+ */
+
+#define _SC_GETGR_R_SIZE_MAX       35
+#define _SC_GETPW_R_SIZE_MAX
+#define _SC_LOGIN_NAME_MAX
+#define _SC_THREAD_DESTRUCTOR_ITERATIONS
+#define _SC_THREAD_KEYS_MAX
+#define _SC_THREAD_STACK_MIN
+#define _SC_THREAD_THREADS_MAX
+#define _SC_TTY_NAME_MAX
+
+#define _SC_THREADS
+#define _SC_THREAD_ATTR_STACKADDR
+#define _SC_THREAD_ATTR_STACKSIZE
+#define _SC_THREAD_PRIORITY_SCHEDULING
+#define _SC_THREAD_PRIO_INHERIT
+#define _SC_THREAD_PRIO_CEILING
+#define _SC_THREAD_PROCESS_SHARED
+#define _SC_THREAD_SAGE_FUNCTIONS
+
+/*
+ *  4.8.1 Get Configurable System Variables, P1003.1b-1993, p. 95
+ */
+
+long sysconf(
+  int name
+);
+
+#endif
+/* end of include */