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Burn the namespace heretic!

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Alternatively, don't include <unistd.h>, but hard-code the value of
_SC_PAGESIZE.  This avoids polluting the application's namespace, and
matches existing practice (CLK_TCK in <time.h>).
This commit is contained in:
bjh21 2003-05-31 11:49:26 +00:00
parent c5980a60b3
commit 7adc389b05
1 changed files with 8 additions and 5 deletions
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13
sys/sys/shm.h
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@ -1,4 +1,4 @@
/* $NetBSD: shm.h,v 1.33 2003/05/30 20:31:34 kleink Exp $ */
/* $NetBSD: shm.h,v 1.34 2003/05/31 11:49:26 bjh21 Exp $ */
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
@ -85,10 +85,13 @@
#if defined(_KERNEL) || defined(_STANDALONE) || defined(_LKM)
#define SHMLBA PAGE_SIZE
#else
/* Use libc's internal __sysconf() to retrieve the machine's page size */
#include <sys/unistd.h> /* for _SC_PAGESIZE */
long __sysconf __P((int));
#define SHMLBA (__sysconf(_SC_PAGESIZE))
/*
* SHMLBA uses libc's internal __sysconf() to retrieve the machine's
* page size. The value of _SC_PAGESIZE is 28 -- we hard code it so we do not
* need to include unistd.h
*/
long __sysconf __P((int));
#define SHMLBA (__sysconf(28))
#endif
typedef unsigned int shmatt_t;