posix support initially added

2025-12-16 04:18:59 +00:00 · 1995-09-26 19:27:15 +00:00
parent 879a0474ea
commit 5e9b32b439
488 changed files with 21578 additions and 1196 deletions
--- a/c/src/exec/posix/base/limits.h
+++ b/c/src/exec/posix/base/limits.h
@@ -0,0 +1,152 @@
+/* limits.h
+ *
+ *  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.
+ */
+
+#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         14
+#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                14
+#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.
+ */
+
+#define LOGIN_NAME_MAX                      9
+#define PTHREAD_DESTRUCTOR_ITERATIONS       4
+/*
+ *  The maximum number of keys (PTHREAD_KEYS_MAX) and threads
+ *  (PTHREAD_THREADS_MAX) are configurable and may exceed the minimum.
+ */
+
+#define TTY_NAME_MAX                        9
+
+/****************************************************************************
+ ****************************************************************************
+ *                                                                          *
+ *         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 */