File indexing completed on 2024-12-22 04:17:22

 /***************************************************************************
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
  *   the Free Software Foundation; either version 2 of the License, or     *
  *   (at your option) any later version.                                   *
  *                                                                         *
  *  This file is from the procps project at http://procps.sourceforge.net/ *
  *  Copyright 1998-2003 Albert Cahalan <albert@users.sf.net>               *
  *                                                                         *
  ***************************************************************************/
 
 #ifndef PROCPS_PROC_PROCPS_H
 #define PROCPS_PROC_PROCPS_H
 
 #ifdef  __cplusplus
 #define EXTERN_C_BEGIN extern "C" {
 #define EXTERN_C_END }
 #else
 #define EXTERN_C_BEGIN
 #define EXTERN_C_END
 #endif
 
 /* Some ports make the mistake of running a 32-bit userspace */
 /* on a 64-bit kernel. Shame on them. It's not at all OK to */
 /* make everything "long long", since that causes unneeded */
 /* slowness on 32-bit hardware. */
 /* */
 /* SPARC: 32-bit kernel is an ex-penguin, so use "long long". */
 /* */
 /* MIPS: Used for embedded systems and obsolete hardware. */
 /* Oh, there's a 64-bit version? SGI is headed toward IA-64, */
 /* so don't worry about 64-bit MIPS. */
 /* */
 /* PowerPC: Big ugly problem! Macs are popular. :-/ */
 /* */
 /* Unknown: PA-RISC, zSeries, and x86-64 */
 /* */
 #if defined(k64test) || defined(__sparc__)  /* || defined(__mips__) || defined(__powerpc__) */
 #define KLONG long long    /* not typedef; want "unsigned KLONG" to work */
 #define KLF "L"
 #define STRTOUKL strtoull
 #else
 #define KLONG long
 #define KLF "l"
 #define STRTOUKL strtoul
 #endif
 
 /* since gcc-2.5 */
 #define NORETURN __attribute__((__noreturn__))
 #define FUNCTION __attribute__((__const__))  /* no access to global mem, even via ptr, and no side effect */
 
 #ifndef __STDC_VERSION__
 #define __STDC_VERSION__ 0
 #endif
 
 #if !defined(restrict) && __STDC_VERSION__ < 199901
 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 92
 #define restrict __restrict__
 #else
 #warning No restrict keyword?
 #define restrict
 #endif
 #endif
 
 #if __GNUC__ > 2 || __GNUC_MINOR__ >= 96
 /* won't alias anything, and aligned enough for anything */
 #define MALLOC __attribute__ ((__malloc__))
 /* no side effect, may read globals */
 #define PURE __attribute__ ((__pure__))
 /* tell gcc what to expect:   if(unlikely(err)) die(err); */
 #define likely(x)       __builtin_expect(!!(x),1)
 #define unlikely(x)     __builtin_expect(!!(x),0)
 #define expected(x,y)   __builtin_expect((x),(y))
 #else
 #define MALLOC
 #define PURE
 #define likely(x)       (x)
 #define unlikely(x)     (x)
 #define expected(x,y)   (x)
 #endif
 
 #if defined(SHARED) && SHARED == 1 && (__GNUC__ > 2 || __GNUC_MINOR__ >= 96)
 #define LABEL_OFFSET
 #endif
 
 #define STRINGIFY_ARG(a)    #a
 #define STRINGIFY(a)        STRINGIFY_ARG(a)
 
 /* marks old junk, to warn non-procps library users */
 #if ( __GNUC__ == 3 && __GNUC_MINOR__ > 0 ) || __GNUC__ > 3
 #define OBSOLETE __attribute__((deprecated))
 #else
 #define OBSOLETE
 #endif
 
 #if ( __GNUC__ == 3 && __GNUC_MINOR__ > 1 ) || __GNUC__ > 3
 /* Tells gcc that function is library-internal; */
 /* so no need to do dynamic linking at run-time. */
 /* This might work with slightly older compilers too. */
 #define HIDDEN __attribute__((visibility("hidden")))
 /* Tell g++ that a function won't throw exceptions. */
 #define NOTHROW __attribute__((__nothrow__))
 #else
 #define HIDDEN
 #define NOTHROW
 #endif
 
 /* Like HIDDEN, but for an alias that gets created. */
 /* In gcc-3.2 there is an alias+hidden conflict. */
 /* Many will have patched this bug, but oh well. */
 #if ( __GNUC__ == 3 && __GNUC_MINOR__ > 2 ) || __GNUC__ > 3
 #define HIDDEN_ALIAS(x) extern __typeof(x) x##_direct __attribute__((alias(#x),visibility("hidden")))
 #else
 #define HIDDEN_ALIAS(x) extern __typeof(x) x##_direct __attribute__((alias(#x)))
 #endif
 
 #endif