72 строки
3.1 KiB
Bash
72 строки
3.1 KiB
Bash
# -*- shell-script -*-
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#
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# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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# University Research and Technology
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# Corporation. All rights reserved.
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# Copyright (c) 2004-2005 The University of Tennessee and The University
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# of Tennessee Research Foundation. All rights
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# reserved.
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# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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# University of Stuttgart. All rights reserved.
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# Copyright (c) 2004-2005 The Regents of the University of California.
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# All rights reserved.
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# $COPYRIGHT$
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#
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# Additional copyrights may follow
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#
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# $HEADER$
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#
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# MCA_paffinity_linux_CONFIG([action-if-found], [action-if-not-found])
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# -----------------------------------------------------------
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AC_DEFUN([MCA_paffinity_linux_CONFIG],[
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# check for sched_setaffinity(), which originated in Linux kernel
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# 2.5.8, but was back-ported in several distro's 2.4 kernels.
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AC_CHECK_FUNC([sched_setaffinity],
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[$1],
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[$2])
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#####################################################################
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# See lengthy comment in paffinity_linux.h for an explanation of
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# these tests.
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#####################################################################
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AH_TEMPLATE([HAVE_cpu_set_t], [Whether we have the cpu_set_t type or not])
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AC_CHECK_TYPES([cpu_set_t],
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[AC_DEFINE([HAVE_cpu_set_t], [1])
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opal_paffinity_linux_have_cpu_set_t=1],
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[opal_paffinity_linux_have_cpu_set_t=0],
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[#include <sched.h>])
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if test "$opal_paffinity_linux_have_cpu_set_t" = "1"; then
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# Check to see if CPU_ZERO is functional (see comment in
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# paffinity_linux.h)
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AC_MSG_CHECKING([whether CPU_ZERO is broken])
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AH_TEMPLATE([HAVE_CPU_ZERO], [Whether we have a functional CPU_ZERO macro or not])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sched.h>],
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[cpu_set_t foo; CPU_ZERO(&foo);])],
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[AC_DEFINE(HAVE_CPU_ZERO, 1)
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AC_MSG_RESULT([no])], [AC_MSG_RESULT([yes])])
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# Now check whether sched_setaffinity() takes 2 or 3
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# arguments (see comment in paffinity_linux.h)
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AC_MSG_CHECKING([how many parameters sched_setaffinity() takes])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sched.h>],
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[cpu_set_t foo; sched_setaffinity(0, sizeof(foo), &foo);])],
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[opal_paffinity_linux_ssnp=3],
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[opal_paffinity_linux_ssnp=2])
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AC_DEFINE_UNQUOTED(OPAL_PAFFINITY_LINUX_SCHED_SETAFF_NUM_PARAMS,
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$opal_paffinity_linux_ssnp,
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[How many parameters sched_setaffinity() takes (!)])
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AC_MSG_RESULT([$opal_paffinity_linux_ssnp])
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fi
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# Clean up (not entirely necessary; just being social)
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unset opal_paffinity_linux_have_cpu_set_t
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unset opal_paffinity_linux_ssnp
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])dnl
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