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Enable affinity support for non-Linux

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sched_getaffinity() and sched_setaffinity() are also available on BSDs.
Remove the Linux restraint.
This commit is contained in:
Christian Göttsche
2021-06-13 11:29:39 +02:00
committed by Benny Baumann
parent adcedf87f5
commit 1fb0c720fe
6 changed files with 59 additions and 56 deletions
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74
configure.ac
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@ -355,9 +355,44 @@ AC_CHECK_FUNCS( [set_escdelay] )
AC_CHECK_FUNCS( [getmouse] )
AC_ARG_ENABLE([affinity],
[AS_HELP_STRING([--enable-affinity],
[enable sched_setaffinity and sched_getaffinity for affinity support, conflicts with hwloc @<:@default=check@:>@])],
[],
[enable_affinity=check])
if test "x$enable_affinity" = xcheck; then
if test "x$enable_hwloc" = xyes; then
enable_affinity=no
else
AC_MSG_CHECKING([for usable sched_setaffinity])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
#include <errno.h>
static cpu_set_t cpuset;
]], [[
CPU_ZERO(&cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
if (errno == ENOSYS) return 1;
]])],
[enable_affinity=yes
AC_MSG_RESULT([yes])],
[enable_affinity=no
AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes (assumed while cross compiling)])])
fi
fi
if test "x$enable_affinity" = xyes; then
if test "x$enable_hwloc" = xyes; then
AC_MSG_ERROR([--enable-hwloc and --enable-affinity are mutual exclusive. Specify at most one of them.])
fi
AC_DEFINE([HAVE_AFFINITY], [1], [Define if sched_setaffinity and sched_getaffinity are to be used.])
fi
AC_ARG_ENABLE([hwloc],
[AS_HELP_STRING([--enable-hwloc],
[enable hwloc support for CPU affinity; disables Linux affinity; requires libhwloc @<:@default=no@:>@])],
[enable hwloc support for CPU affinity; disables affinity support; requires libhwloc @<:@default=no@:>@])],
[],
[enable_hwloc=no])
case "$enable_hwloc" in
@ -433,41 +468,6 @@ if test "x$enable_ancient_vserver" = xyes; then
fi
AC_ARG_ENABLE([linux_affinity],
[AS_HELP_STRING([--enable-linux-affinity],
[enable Linux sched_setaffinity and sched_getaffinity for affinity support, conflicts with hwloc @<:@default=check@:>@])],
[],
[enable_linux_affinity=check])
if test "x$enable_linux_affinity" = xcheck; then
if test "x$enable_hwloc" = xyes; then
enable_linux_affinity=no
else
AC_MSG_CHECKING([for usable sched_setaffinity])
AC_RUN_IFELSE([
AC_LANG_PROGRAM([[
#include <sched.h>
#include <errno.h>
static cpu_set_t cpuset;
]], [[
CPU_ZERO(&cpuset);
sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
if (errno == ENOSYS) return 1;
]])],
[enable_linux_affinity=yes
AC_MSG_RESULT([yes])],
[enable_linux_affinity=no
AC_MSG_RESULT([no])],
[AC_MSG_RESULT([yes (assumed while cross compiling)])])
fi
fi
if test "x$enable_linux_affinity" = xyes; then
if test "x$enable_hwloc" = xyes; then
AC_MSG_ERROR([--enable-hwloc and --enable-linux-affinity are mutual exclusive. Specify at most one of them.])
fi
AC_DEFINE([HAVE_LINUX_AFFINITY], [1], [Define if Linux sched_setaffinity and sched_getaffinity are to be used.])
fi
AC_ARG_ENABLE([capabilities],
[AS_HELP_STRING([--enable-capabilities],
[enable Linux capabilities support; requires libcap @<:@default=check@:>@])],
@ -688,11 +688,11 @@ AC_MSG_RESULT([
(Linux) openvz: $enable_openvz
(Linux) vserver: $enable_vserver
(Linux) ancient vserver: $enable_ancient_vserver
(Linux) affinity: $enable_linux_affinity
(Linux) delay accounting: $enable_delayacct
(Linux) sensors: $enable_sensors
(Linux) capabilities: $enable_capabilities
unicode: $enable_unicode
affinity: $enable_affinity
hwloc: $enable_hwloc
debug: $enable_debug
static: $enable_static