* sysdeps/unix/sysv/linux/tst-getcpu.c: New file.

* sysdeps/unix/sysv/linux/Makefile [subdir=posix] (tests): Add
	tst-getcpu.

	* include/link.h: Move l_version and l_nversion members around to
	fill gaps.
This commit is contained in:
Ulrich Drepper 2007-05-11 06:39:07 +00:00
parent a53fa282ac
commit 341c566f05
6 changed files with 74 additions and 9 deletions

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@ -1,5 +1,12 @@
2007-05-10 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/tst-getcpu.c: New file.
* sysdeps/unix/sysv/linux/Makefile [subdir=posix] (tests): Add
tst-getcpu.
* include/link.h: Move l_version and l_nversion members around to
fill gaps.
* scripts/check-c++-types.sh: Don't use -fnu89-inline option.
* sysdeps/unix/sysv/linux/sched_setaffinity.c

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@ -1,6 +1,6 @@
/* Data structure for communication from the run-time dynamic linker for
loaded ELF shared objects.
Copyright (C) 1995-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
Copyright (C) 1995-2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -141,6 +141,10 @@ struct link_map
/* Dependent object that first caused this object to be loaded. */
struct link_map *l_loader;
/* Array with version names. */
struct r_found_version *l_versions;
unsigned int l_nversions;
/* Symbol hash table. */
Elf_Symndx l_nbuckets;
Elf32_Word l_gnu_bitmask_idxbits;
@ -184,10 +188,6 @@ struct link_map
unsigned int l_removed:1; /* Nozero if the object cannot be used anymore
since it is removed. */
/* Array with version names. */
unsigned int l_nversions;
struct r_found_version *l_versions;
/* Collected information about own RPATH directories. */
struct r_search_path_struct l_rpath_dirs;

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@ -1,5 +1,8 @@
2007-05-10 Ulrich Drepper <drepper@redhat.com>
* descr.h (struct pthread): Rearrange members to fill hole in
64-bit layout.
* sysdeps/unix/sysv/linux/pthread_setaffinity.c
(__pthread_setaffinity_new): If syscall was successful and
RESET_VGETCPU_CACHE is defined, use it before returning.

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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
/* Copyright (C) 2002-2006, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -268,6 +268,9 @@ struct pthread
| EXITING_BITMASK | CANCEL_RESTMASK | TERMINATED_BITMASK)) \
== (CANCELTYPE_BITMASK | CANCELED_BITMASK))
/* Flags. Including those copied from the thread attribute. */
int flags;
/* We allocate one block of references here. This should be enough
to avoid allocating any memory dynamically for most applications. */
struct pthread_key_data
@ -321,9 +324,6 @@ struct pthread
/* Check whether a thread is detached. */
#define IS_DETACHED(pd) ((pd)->joinid == (pd))
/* Flags. Including those copied from the thread attribute. */
int flags;
/* The result of the thread function. */
void *result;

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@ -113,6 +113,8 @@ ifeq ($(subdir),posix)
sysdep_headers += bits/initspin.h
sysdep_routines += exit-thread sched_getcpu
tests += tst-getcpu
endif
ifeq ($(subdir),inet)

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@ -0,0 +1,53 @@
#include <errno.h>
#include <stdio.h>
#include <sched.h>
static int
do_test (void)
{
cpu_set_t cs;
if (sched_getaffinity (getpid (), sizeof (cs), &cs) != 0)
{
printf ("getaffinity failed: %m\n");
return 1;
}
int result = 0;
int cpu = 0;
while (CPU_COUNT (&cs) != 0)
{
if (CPU_ISSET (cpu, &cs))
{
cpu_set_t cs2;
CPU_ZERO (&cs2);
CPU_SET (cpu, &cs2);
if (sched_setaffinity (getpid (), sizeof (cs2), &cs2) != 0)
{
printf ("setaffinity(%d) failed: %m\n", cpu);
result = 1;
}
else
{
int cpu2 = sched_getcpu ();
if (cpu2 == -1 && errno == ENOSYS)
{
puts ("getcpu syscall not implemented");
return 0;
}
if (cpu2 != cpu)
{
printf ("getcpu results %d not possible\n", cpu2);
result = 1;
}
}
CPU_CLR (cpu, &cs);
}
++cpu;
}
return result;
}
#define TEST_FUNCTION do_test ()
#include <test-skeleton.c>