Changeset 183 for trunk/src/emx/include/sys/param.h

Timestamp:

May 19, 2003, 4:41:00 AM (22 years ago)

Author:

bird

Message:

#434: Initial tcpip header merges.

File:

• trunk/src/emx/include/sys/param.h (modified) (3 diffs, 1 prop)

trunk/src/emx/include/sys/param.h

@@ -1 @@
-/* sys/param.h (emx+gcc) */
+/** @file sys/param.h
+ * BSD like sys\param.h file.
+ *
+ * TCPV40HDRS does include this file, but as we don't need to be
+ * 100% compatible we don't care.
+ */
 
 #ifndef _SYS_PARAM_H
 #define _SYS_PARAM_H
+#define _SYS_PARAM_H_ /* toolkit */
 
 #if defined (__cplusplus)
@@ -8 +14 @@
 #endif
 
-#if !defined (PAGE_SIZE)
-#define PAGE_SIZE 0x1000
+
+#if !defined (NULL)
+#if defined (__cplusplus)
+#define NULL    0
+#else
+#define NULL    ((void*)0)
+#endif
 #endif
 
-#if !defined (HZ)
+
+/** @group BSD version defines.
+ * OS2: The toolkit headers define these. Resent FreeBSD release does too.
+ * Warning! Be aware that config scripts and programs may check for these and
+ *          assume they're running on BSD. We might have to take out these
+ *          defines.
+ * @{
+ */
+/** System version - year and month */
+#ifdef TCPV40HDRS
+#define BSD     43
+#else
+#define BSD     199506
+#endif
+#ifndef TCPV40HDRS
+/** Indicate BSD4.3 features present. */
+#define BSD4_3  1
+/** Indicate BSD4.4 features present. */
+#define BSD4_4  1
+#endif
+/** @} */
+
+
+#ifndef LOCORE
+#include <types.h>
+#endif
+#include <sys/syslimits.h>
+#include <sys/signal.h>
+#include <machine/param.h>
+#include <machine/limits.h>
+
+
+/** @group  System Parameters (BSD flavored)
+ *
+ * @{ */
+#ifndef MAXCOMLEN
+/** Max command name remembered. */
+#define MAXCOMLEN       19
+#endif
+
+#ifndef MAXINTERP
+/** Max interpreter file name length (ELF?).
+ * OS2: Have no meaning. */
+#define MAXINTERP       12
+#endif
+
+#ifndef MAXLOGNAME
+/** Max login name length including terminating NULL. */
+#define MAXLOGNAME      LOGIN_NAME_MAX
+#endif
+
+#ifndef MAXUPRC
+/** Maximum simultaneous processes. */
+#define MAXUPRC         CHILD_MAX
+#endif
+
+#ifndef NCARGS
+/** Max argument size for an exec function.
+ * OS2: Assuming at least 4KB of environment gives us 0xf000 at the very best.
+ *      However we set it to 32KB which should be a safe max. */
+#define NCARGS          ARG_MAX
+#endif
+#ifndef NGROUPS
+/** Max supplemental group id's.
+ * OS2: doesn't make much sens just set it high. */
+#define NGROUPS         NGROUPS_MAX
+#endif
+
+#ifndef NOFILE
+/** Max number of open files per process.
+ * OS2: Using DosSetMaxFH the theoretical maximum should be 0xfff0 I believe.
+ */
+#define NOFILE          OPEN_MAX
+#endif
+
+#ifndef NOGROUP
+/** Marker for empty group set member.
+ * OS2: no meaning currently. */
+#define NOGROUP         0xffff
+#endif
+
+#ifndef MAXHOSTNAMELEN
+/** Max number of bytes in a hostname. */
+#define MAXHOSTNAMELEN  256
+#endif
+
+#ifndef SPECNAMELEN
+/** Max number of bytes in a devicename.
+ * OS2: no real meaning. */
+#define SPECNAMELEN     16
+#endif
+
+#ifndef MAXNAMLEN
+/** Max number of chars in a file name.
+ * BSD name for posix NAME_MAX. */
+#define MAXNAMLEN       NAME_MAX
+#endif
+
+#ifndef MAXPATHLEN
+/** Max number of chars in a path name.
+ * BSD name for posix PATH_MAX.
+ * @remark Very strict BSD kernel/user code may expect it to be a number which
+ *         is the power of two an. The OS/2 number is not a power of 2. */
+#define MAXPATHLEN      PATH_MAX
+#endif
+/** @} */
+
+
+/** @group EMX defines
+ * @{
+ */
+#ifndef HZ
+/** Frequencey of something but have no clue of what...
+ * Freebsd isn't defining this, linux is but only for the kernel sources.
+ * Considered EMX specific. */
 #define HZ        100
 #endif
+/** @} */
 
-#if !defined (MAXNAMLEN)
-#define MAXNAMLEN  260
+
+/** @group Bitmap Access
+ * The bitmaps in question is arrays if integer.
+ * @{ */
+/** number of bytes in an int */
+#define NBPW sizeof(int)
+/** Set a bit in the bitmap */
+#define setbit(Bitmap,iBit)   ( (Bitmap)[(i)/NBBY] |=   1 << ((i) % NBBY)  )
+/** Clear a bit in the bitmap */
+#define clrbit(Bitmap,iBit)   ( (Bitmap)[(i)/NBBY] &= ~(1 << ((i) % NBBY)) )
+/** Test if a bit in a bitmap is set. */
+#define isset(Bitmap,iBit)    ( (Bitmap)[(i)/NBBY]  &  (1 << ((i) % NBBY)) )
+/** Test if a bit in a bitmap is clear. */
+#define isclr(Bitmap,iBit)    (((Bitmap)[(i)/NBBY]  & 1 << ((i) % NBBY)) == 0 )
+/** @} */
+
+
+/* Handle flags of some kind... Toolkit defines it here.
+ * Freebsd headers indicates that these are KERNEL flags, but
+ * there is a chance one or two tcpip ioctls are using them. */
+#ifndef _POSIX_SOURCE
+#define FREAD   1
+#define FWRITE  2
 #endif
 
-#if !defined (MAXPATHLEN)
-#define MAXPATHLEN 260
-#endif
-
-/* Don't try to do this inline for now */
-
+#if 0 /* we don't need it, endian takes care of this */
+/* Basic byte order conversion (non-inline).
+ * Note that freebsd only does this when KERNEL is defined. */
 #if !defined (htonl)
 #define htonl(X) _swapl(X)
@@ -32 +176 @@
 #define ntohs(X) _swaps(X)
 #endif
-
 unsigned short _swaps (unsigned short _x);
 unsigned long _swapl (unsigned long _x);
+#endif
+
 
 #if defined (__cplusplus)