o5r/plan9port
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appease sun - nil is now just 0 instead of (void*)0

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to fix function pointer problems.
This commit is contained in:
rsc 2005-03-15 16:12:51 +00:00
parent 1f8a80722f
commit aaa502d3a3
2 changed files with 16 additions and 12 deletions
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2
include/libc.h
View file

@ -13,7 +13,9 @@ extern "C" {
* Begin usual libc.h
*/
#ifndef nil
#define nil ((void*)0)
#endif
#define nelem(x) (sizeof(x)/sizeof((x)[0]))
#ifndef offsetof

26
include/u.h
View file

@ -39,38 +39,44 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
#if defined(__linux__)
# include <sys/types.h>
# if defined(__Linux26__)
# include <pthread.h>
# define PLAN9PORT_USING_PTHREADS 1
# endif
# if defined(__USE_MISC)
# undef _NEEDUSHORT
# undef _NEEDUINT
# undef _NEEDULONG
# endif
# if defined(__Linux26__)
# define PLAN9PORT_USING_PTHREADS 1
# endif
#elif defined(__sun__)
# include <sys/types.h>
# include <pthread.h>
# define PLAN9PORT_USING_PTHREADS 1
# undef _NEEDUSHORT
# undef _NEEDUINT
# undef _NEEDULONG
# define PLAN9PORT_USING_PTHREADS 1
# define nil 0 /* no cast to void* */
#elif defined(__FreeBSD__)
# include <sys/types.h>
# include <osreldate.h>
# if __FreeBSD_version >= 500000
# define PLAN9PORT_USING_PTHREADS 1
# include <pthread.h>
# endif
# if !defined(_POSIX_SOURCE)
# undef _NEEDUSHORT
# undef _NEEDUINT
# endif
# if __FreeBSD_version >= 500000
# define PLAN9PORT_USING_PTHREADS 1
# endif
#elif defined(__APPLE__)
# include <sys/types.h>
# include <pthread.h>
# define PLAN9PORT_USING_PTHREADS 1
# undef _NEEDUSHORT
# undef _NEEDUINT
# define _NEEDLL 1
# define PLAN9PORT_USING_PTHREADS 1
#else
/* No idea what system this is -- try some defaults */
# include <pthread.h>
# define PLAN9PORT_USING_PTHREADS 1
#endif
@ -78,10 +84,6 @@ typedef long p9jmp_buf[sizeof(sigjmp_buf)/sizeof(long)];
#define O_DIRECT 0
#endif
#ifdef PLAN9PORT_USING_PTHREADS
#include <pthread.h>
#endif
typedef signed char schar;
typedef unsigned int u32int;
typedef int s32int;