import newlib-2000-02-17 snapshot

1 files changed, 178 insertions, 0 deletions

diff --git a/newlib/libc/sys/rtems/include/limits.h b/newlib/libc/sys/rtems/include/limits.h
new file mode 100644
index 000000000..e9f45e44c
--- /dev/null
+++ b/newlib/libc/sys/rtems/include/limits.h
@@ -0,0 +1,178 @@
+/*
+ *  This file lists the minimums for the limits set by each of
+ *  the POSIX features subsets.
+ *
+ *  XXX: Careful attention needs to be paid to section 2.8 in 1003.1b-1993
+ *       to segregrate the variables below based on their "class" according
+ *       to our implementation.  We also need to set the Run-Time Invariant
+ *       and other related values.
+ *
+ *  $Id$
+ */
+
+#ifndef _GCC_LIMITS_H_  /* if we have not seen gcc's limits.h yet */
+#include_next <limits.h>
+#endif
+
+#ifndef __POSIX_LIMITS_h
+#define __POSIX_LIMITS_h
+
+/****************************************************************************
+ ****************************************************************************
+ *                                                                          *
+ *         P1003.1b-1993 defines the constants below this comment.          *
+ *                                                                          *
+ **************************************************************************** 
+ ****************************************************************************/
+
+#define _POSIX_AIO_LISTIO_MAX   2
+#define _POSIX_AIO_MAX          1
+#define _POSIX_ARG_MAX          4096
+#define _POSIX_CHILD_MAX        6
+#define _POSIX_DELAYTIMER_MAX   32
+#define _POSIX_LINK_MAX         8
+#define _POSIX_MAX_CANON        255
+#define _POSIX_MAX_INPUT        255
+#define _POSIX_MQ_OPEN_MAX      8
+#define _POSIX_MQ_PRIO_MAX      32
+#define _POSIX_NAME_MAX         255
+#define _POSIX_NGROUPS_MAX      0
+#define _POSIX_OPEN_MAX         16
+#define _POSIX_PATH_MAX         255
+#define _POSIX_PIPE_BUF         512
+#define _POSIX_RTSIG_MAX        8
+#define _POSIX_SEM_NSEMS_MAX    256
+#define _POSIX_SEM_VALUE_MAX    32767
+#define _POSIX_SIGQUEUE_MAX     32
+#define _POSIX_SSIZE_MAX        32767
+#define _POSIX_STREAM_MAX       8
+#define _POSIX_TIMER_MAX        32
+#define _POSIX_TZNAME_MAX       3
+
+/*
+ *  Definitions of the following may be omitted if the value is >= stated
+ *  minimum but is indeterminate.
+ */
+
+#define AIO_LISTIO_MAX          2
+#define AIO_MAX                 1
+#define AIO_PRIO_DELTA_MAX      0
+#define ARG_MAX                 4096
+#define CHILD_MAX               6
+#define DELAYTIMER_MAX          32
+#define MQ_OPEN_MAX             8
+#define MQ_PRIO_MAX             32
+#define OPEN_MAX                16
+#define PAGESIZE                1
+#define RTSIG_MAX               8
+#define SEM_NSEMS_MAX           256
+#define SEM_VALUE_MAX           32767
+#define SIGQUEUE_MAX            32
+#define STREAM_MAX              8
+#define TIMER_MAX               32
+#define TZNAME_MAX              3
+
+/*
+ *  Pathname Variables
+ */
+
+#define LINK_MAX                8
+#define MAX_CANON               255
+#define MAX_INPUT               255
+#define NAME_MAX                255
+#define PATH_MAX                255
+#define PIPE_BUF                512
+
+/*
+ *  Invariant values
+ */
+
+#define SSIZE_MAX               32767
+
+/*
+ *  Maximum Values
+ */
+
+#define _POSIX_CLOCKRES_MIN      0   /* in nanoseconds */
+
+/****************************************************************************
+ ****************************************************************************
+ *                                                                          *
+ *         P1003.1c/D10 defines the constants below this comment.           *
+ *
+ *  XXX: doc seems to have printing problems in this table :(
+ *                                                                          *
+ **************************************************************************** 
+ ****************************************************************************/
+
+#define _POSIX_LOGIN_NAME_MAX                9
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS  4
+#define _POSIX_THREAD_KEYS_MAX               28
+#define _POSIX_THREAD_THREADS_MAX            64
+#define _POSIX_TTY_NAME_MAX                  9
+
+/*
+ *  Definitions of the following may be omitted if the value is >= stated
+ *  minimum but is indeterminate.
+ *
+ *  NOTE:  LOGIN_NAME_MAX is named LOGNAME_MAX under Solaris 2.x.  Perhaps
+ *         the draft specification will be changing.  jrs 05/24/96
+ */
+
+#define LOGIN_NAME_MAX                      _POSIX_LOGIN_NAME_MAX
+#define TTY_NAME_MAX                        _POSIX_TTY_NAME_MAX
+#define PTHREAD_DESTRUCTOR_ITERATIONS       _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/*
+ *  RTEMS is smart enough to give us the minimum stack size if we ask
+ *  for too little.  Because the real RTEMS limit for this is cpu dependent
+ *  AND rtems header files are not installed yet, we cannot use the cpu
+ *  dependent constant CPU_STACK_MINIMUM_SIZE.  Moreover, we do not want
+ *  to duplicate that information here so we will just let RTEMS magically
+ *  give us its minimum stack size.
+ *
+ *  NOTE:  The other alternative is to have this be a macro for a 
+ *         routine in RTEMS which returns the constant.
+ */
+
+#define PTHREAD_STACK_MIN                   0
+
+/*
+ *  The maximum number of keys (PTHREAD_KEYS_MAX) and threads
+ *  (PTHREAD_THREADS_MAX) are configurable and may exceed the minimum.
+ *
+#define PTHREAD_KEYS_MAX                    _POSIX_THREAD_KEYS_MAX
+#define PTHREAD_THREADS_MAX                 _POSIX_THREAD_THREADS_MAX
+*/
+
+
+/****************************************************************************
+ ****************************************************************************
+ *                                                                          *
+ *         P1003.4b/D8 defines the constants below this comment.            *
+ *                                                                          *
+ **************************************************************************** 
+ ****************************************************************************/
+
+#define _POSIX_INTERRUPT_OVERRUN_MAX        32
+
+/*
+ *  Definitions of the following may be omitted if the value is >= stated
+ *  minimum but is indeterminate.
+ */
+
+#define INTERRUPT_OVERRUN_MAX               32
+
+/*
+ *  Pathname Variables
+ */
+
+#define MIN_ALLOC_SIZE      
+#define REC_MIN_XFER_SIZE   
+#define REC_MAX_XFER_SIZE   
+#define REC_INCR_XFER_SIZE  
+#define REC_XFER_ALIGN      
+#define MAX_ATOMIC_SIZE     
+
+#endif
+/* end of include file */