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* posix/Makefile (routines): Add sched_cpualloc and sched_cpufree.
(tests): Add tst-cpuset. * posix/sched_cpualloc.c: New file. * posix/sched_cpufree.c: New file. * posix/tst-cpuset.c: New file. * posix/Versions: Export __sched_cpualloc and __sched_cpufree for GLIBC_2.7. * sysdeps/unix/sysv/linux/bits/sched.h: Define __CPU_*_S macros. * posix/sched.h: Define old CPU_* macros in temers of __CPU_*_S macros. Define CPU_*_S macros.
This commit is contained in:
Ulrich Drepper
parent
a14ad5ae4b
commit
44f08a6ecc
13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2007-07-29 Ulrich Drepper <drepper@redhat.com>
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* posix/Makefile (routines): Add sched_cpualloc and sched_cpufree.
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(tests): Add tst-cpuset.
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* posix/sched_cpualloc.c: New file.
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* posix/sched_cpufree.c: New file.
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* posix/tst-cpuset.c: New file.
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* posix/Versions: Export __sched_cpualloc and __sched_cpufree for
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GLIBC_2.7.
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* sysdeps/unix/sysv/linux/bits/sched.h: Define __CPU_*_S macros.
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* posix/sched.h: Define old CPU_* macros in temers of __CPU_*_S
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macros. Define CPU_*_S macros.
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2007-07-28 Ulrich Drepper <drepper@redhat.com>
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* posix/getconf.c (vars): Add missing _SC_LEVEL4_CACHE_LINESIZE
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@ -66,7 +66,7 @@ routines := \
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spawnattr_getsigmask spawnattr_getschedpolicy spawnattr_getschedparam \
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spawnattr_setsigmask spawnattr_setschedpolicy spawnattr_setschedparam \
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posix_madvise \
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get_child_max sched_cpucount
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get_child_max sched_cpucount sched_cpualloc sched_cpufree
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include ../Makeconfig
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@ -90,7 +90,7 @@ tests := tstgetopt testfnm runtests runptests \
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tst-execv1 tst-execv2 tst-execl1 tst-execl2 \
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tst-execve1 tst-execve2 tst-execle1 tst-execle2 \
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tst-execvp3 tst-execvp4 tst-rfc3484 tst-rfc3484-2 \
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tst-getaddrinfo3 tst-fnmatch2 tst-cpucount
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tst-getaddrinfo3 tst-fnmatch2 tst-cpucount tst-cpuset
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xtests := bug-ga2
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ifeq (yes,$(build-shared))
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test-srcs := globtest
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@ -125,6 +125,9 @@ libc {
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GLIBC_2.6 {
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__sched_cpucount;
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}
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GLIBC_2.7 {
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__sched_cpualloc; __sched_cpufree;
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}
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GLIBC_PRIVATE {
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__libc_fork; __libc_pwrite;
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}
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27
posix/sched_cpualloc.c
Normal file
27
posix/sched_cpualloc.c
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@ -0,0 +1,27 @@
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/* Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sched.h>
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#include <stdlib.h>
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cpu_set_t *
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__sched_cpualloc (size_t count)
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{
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return malloc (CPU_ALLOC_SIZE (count));
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}
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27
posix/sched_cpufree.c
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27
posix/sched_cpufree.c
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@ -0,0 +1,27 @@
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/* Copyright (C) 2007 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sched.h>
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#include <stdlib.h>
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void
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__sched_cpufree (cpu_set_t *set)
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{
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free (set);
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}
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82
posix/tst-cpuset.c
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82
posix/tst-cpuset.c
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@ -0,0 +1,82 @@
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#include <sched.h>
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#include <stdio.h>
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static int
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do_test (void)
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{
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int result = 0;
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cpu_set_t s1;
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cpu_set_t s2;
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cpu_set_t s3;
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CPU_ZERO (&s1);
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CPU_SET (0, &s1);
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CPU_ZERO (&s2);
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CPU_SET (0, &s2);
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CPU_SET (1, &s2);
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CPU_AND (&s3, &s1, &s2);
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if (! CPU_EQUAL (&s3, &s1))
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{
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puts ("result of CPU_AND wrong");
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result = 1;
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}
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CPU_OR (&s3, &s1, &s2);
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if (! CPU_EQUAL (&s3, &s2))
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{
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puts ("result of CPU_OR wrong");
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result = 1;
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}
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CPU_XOR (&s3, &s1, &s2);
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if (CPU_COUNT (&s3) != 1)
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{
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puts ("result of CPU_XOR wrong");
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result = 1;
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}
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cpu_set_t *vs1 = CPU_ALLOC (2048);
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cpu_set_t *vs2 = CPU_ALLOC (2048);
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cpu_set_t *vs3 = CPU_ALLOC (2048);
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size_t vssize = CPU_ALLOC_SIZE (2048);
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CPU_ZERO_S (vssize, vs1);
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CPU_SET_S (0, vssize, vs1);
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CPU_ZERO_S (vssize, vs2);
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CPU_SET_S (0, vssize, vs2);
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CPU_SET_S (2047, vssize, vs2);
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CPU_AND_S (vssize, vs3, vs1, vs2);
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if (! CPU_EQUAL_S (vssize, vs3, vs1))
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{
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puts ("result of CPU_AND_S wrong");
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result = 1;
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}
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CPU_OR_S (vssize, vs3, vs1, vs2);
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if (! CPU_EQUAL_S (vssize, vs3, vs2))
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{
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puts ("result of CPU_OR_S wrong");
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result = 1;
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}
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CPU_XOR_S (vssize, vs3, vs1, vs2);
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if (CPU_COUNT_S (vssize, vs3) != 1)
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{
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puts ("result of CPU_XOR_S wrong");
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result = 1;
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}
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CPU_FREE (vs1);
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CPU_FREE (vs2);
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CPU_FREE (vs3);
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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@ -118,27 +118,62 @@ typedef struct
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} cpu_set_t;
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/* Access functions for CPU masks. */
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# define __CPU_ZERO(cpusetp) \
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# define __CPU_ZERO_S(setsize, cpusetp) \
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do { \
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unsigned int __i; \
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size_t __i; \
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size_t __imax = (setsize) / sizeof (__cpu_mask); \
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cpu_set_t *__arr = (cpusetp); \
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for (__i = 0; __i < sizeof (cpu_set_t) / sizeof (__cpu_mask); ++__i) \
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for (__i = 0; __i < __imax; ++__i) \
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__arr->__bits[__i] = 0; \
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} while (0)
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# define __CPU_SET(cpu, cpusetp) \
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((cpusetp)->__bits[__CPUELT (cpu)] |= __CPUMASK (cpu))
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# define __CPU_CLR(cpu, cpusetp) \
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((cpusetp)->__bits[__CPUELT (cpu)] &= ~__CPUMASK (cpu))
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# define __CPU_ISSET(cpu, cpusetp) \
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(((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0)
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# define __CPU_SET_S(cpu, setsize, cpusetp) \
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({ size_t __cpu = (cpu); \
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__cpu < 8 * (setsize) \
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? ((cpusetp)->__bits[__CPUELT (__cpu)] |= __CPUMASK (__cpu)) : 0; })
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# define __CPU_CLR_S(cpu, setsize, cpusetp) \
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({ size_t __cpu = (cpu); \
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__cpu < 8 * (setsize) \
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? ((cpusetp)->__bits[__CPUELT (__cpu)] &= ~__CPUMASK (__cpu)) : 0; })
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# define __CPU_ISSET_S(cpu, setsize, cpusetp) \
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({ size_t __cpu = (cpu); \
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__cpu < 8 * (setsize) \
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? (((cpusetp)->__bits[__CPUELT (__cpu)] & __CPUMASK (__cpu))) != 0 : 0; })
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# define __CPU_COUNT_S(setsize, cpusetp) \
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__sched_cpucount (setsize, cpusetp)
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# define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
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({ cpu_set_t *__arr1 = (cpusetp1); \
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cpu_set_t *__arr2 = (cpusetp2); \
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size_t __imax = (setsize) / sizeof (__cpu_mask); \
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size_t __i; \
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for (__i = 0; __i < __imax; ++__i) \
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if (__arr1->__bits[__i] != __arr2->__bits[__i]) \
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break; \
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__i == __imax; })
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# define __CPU_OP_S(setsize, destset, srcset1, srcset2, op) \
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({ cpu_set_t *__dest = (destset); \
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cpu_set_t *__arr1 = (srcset1); \
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cpu_set_t *__arr2 = (srcset2); \
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size_t __imax = (setsize) / sizeof (__cpu_mask); \
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size_t __i; \
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for (__i = 0; __i < __imax; ++__i) \
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__dest->__bits[__i] = __arr1->__bits[__i] op __arr2->__bits[__i]; \
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__dest; })
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# define __CPU_ALLOC_SIZE(count) \
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((((count) + __NCPUBITS - 1) / __NCPUBITS) * 8)
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# define __CPU_ALLOC(count) __sched_cpualloc (count)
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# define __CPU_FREE(cpuset) __sched_cpufree (cpuset)
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__BEGIN_DECLS
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extern int __sched_cpucount (size_t __setsize, const cpu_set_t *__setp)
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__THROW;
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extern cpu_set_t *__sched_cpualloc (size_t __count) __THROW __wur;
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extern void __sched_cpufree (cpu_set_t *__set) __THROW;
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__END_DECLS
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# define __CPU_COUNT(cpusetp) \
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__sched_cpucount (sizeof (cpu_set_t), cpusetp)
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#endif
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