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authorUlrich Drepper <drepper@redhat.com>2007-05-11 06:39:07 +0000
committerUlrich Drepper <drepper@redhat.com>2007-05-11 06:39:07 +0000
commit341c566f05fa6b19b88508f7ddd835bfd101731b (patch)
tree82fc68ed7d11fb8ea2b5c7f7d8f38c2c554734c7
parenta53fa282ac5200d5ca345a34f2a257dfe5ed2d4b (diff)
* 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.
-rw-r--r--ChangeLog7
-rw-r--r--include/link.h10
-rw-r--r--nptl/ChangeLog3
-rw-r--r--nptl/descr.h8
-rw-r--r--sysdeps/unix/sysv/linux/Makefile2
-rw-r--r--sysdeps/unix/sysv/linux/tst-getcpu.c53
6 files changed, 74 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 2451feae3f..94902405a8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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
diff --git a/include/link.h b/include/link.h
index b45deabf7f..67d70470d1 100644
--- a/include/link.h
+++ b/include/link.h
@@ -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;
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 24511664b7..882d3e9b29 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -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.
diff --git a/nptl/descr.h b/nptl/descr.h
index 321ce85085..00cad1aa83 100644
--- a/nptl/descr.h
+++ b/nptl/descr.h
@@ -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;
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 78553b9795..a063b33389 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -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)
diff --git a/sysdeps/unix/sysv/linux/tst-getcpu.c b/sysdeps/unix/sysv/linux/tst-getcpu.c
new file mode 100644
index 0000000000..78c4a6919e
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/tst-getcpu.c
@@ -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>