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[Ada] Use the CPU_ZERO and CPU_SET linux macros

From: Arnaud Charlet <charlet at adacore dot com>
To: gcc-patches at gcc dot gnu dot org
Cc: Jose Ruiz <ruiz at adacore dot com>
Date: Thu, 1 Sep 2011 09:32:13 -0400
Subject: [Ada] Use the CPU_ZERO and CPU_SET linux macros

CPU sets are properly handled in linux using the macros defined for this
effect. This way we avoid problems with the endianness of the target if we
try to modify the bit set by hand.

No functional change.

Tested on x86_64-pc-linux-gnu, committed on trunk

2011-09-01  Jose Ruiz  <ruiz@adacore.com>

	* s-taprop-linux.adb (Create_Task, Set_Task_Affinity): Use the linux
	macros for handling CPU sets (CPU_ZERO, CPU_SET) instead of modifying
	directly the bit array.
	* s-osinte-linux.ads (CPU_ZERO, CPU_SET): Import these wrappers around
	the linux macros with the same name.
	* adaint.h, adaint.c (__gnat_cpu_zero, __gnat_cpu_set): Create these
	wrappers around the CPU_ZERO and CPU_SET linux macros.

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