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* Versions.def: Add GLIBC_2.4 for libpthread.

This commit is contained in:
Ulrich Drepper 2005-12-27 01:04:06 +00:00
parent 08f60b258e
commit 1bcfb5a5eb
31 changed files with 981 additions and 59 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2005-12-26 Ulrich Drepper <drepper@redhat.com>
* Versions.def: Add GLIBC_2.4 for libpthread.
2005-12-25 Ulrich Drepper <drepper@redhat.com>
* stdlib/Makefile ($(objpfx)isomac.out): Move -I.. to the end so

1
Versions.def
View File

@ -80,6 +80,7 @@ libpthread {
GLIBC_2.3.2
GLIBC_2.3.3
GLIBC_2.3.4
GLIBC_2.4
GLIBC_PRIVATE
}
libresolv {

53
nptl/ChangeLog
View File

@ -1,3 +1,56 @@
2005-12-26 Ulrich Drepper <drepper@redhat.com>
* pthreadP.h: Define PTHREAD_MUTEX_ROBUST_PRIVATE_NP,
PTHREAD_MUTEX_ROBUST_PRIVATE_RECURSIVE_NP,
PTHREAD_MUTEX_ROBUST_PRIVATE_ERRORCHECK_NP,
PTHREAD_MUTEX_ROBUST_PRIVATE_ADAPTIVE_NP,
PTHREAD_MUTEXATTR_FLAG_ROBUST, PTHREAD_MUTEXATTR_FLAG_PSHARED,
and PTHREAD_MUTEXATTR_FLAG_BITS.
* descr.h (struct pthread): Add robust_list field and define
ENQUEUE_MUTEX and DEQUEUE_MUTEX macros.
* pthread_mutexattr_getrobust.c: New file.
* pthread_mutexattr_setrobust.c: New file.
* pthread_mutex_consistent.c: New file.
* sysdeps/pthread/pthread.h: Declare pthread_mutexattr_getrobust,
pthread_mutexattr_setrobust, and pthread_mutex_consistent.
Define PTHREAD_MUTEX_STALLED_NP and PTHREAD_MUTEX_ROBUST_NP.
Adjust pthread_mutex_t initializers.
* nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h: Add __next
field to pthread_mutex_t.
* nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h: Add __next
and __prev field to pthread_mutex_t.
* Versions [GLIBC_2.4]: Export pthread_mutexattr_getrobust_np,
pthread_mutexattr_setrobust_np, and pthread_mutex_consistent_np.
* pthread_mutexattr_getpshared.c: Use PTHREAD_MUTEXATTR_FLAG_PSHARED
and PTHREAD_MUTEXATTR_FLAG_BITS macros instead of magic numbers.
* pthread_mutexattr_gettype.c: Likewise.
* pthread_mutexattr_setpshared.c: Likewise.
* pthread_mutexattr_settype.c: Likewise.
* pthread_mutex_init.c: Reject robust+pshared attribute for now.
Initialize mutex kind according to robust flag.
* pthread_mutex_lock.c: Implement local robust mutex.
* pthread_mutex_timedlock.c: Likewise.
* pthread_mutex_trylock.c: Likewise.
* pthread_mutex_unlock.c: Likewise.
* pthread_create.c (start_thread): Mark robust mutexes which remained
locked as dead.
* tst-robust1.c: New file.
* tst-robust2.c: New file.
* tst-robust3.c: New file.
* tst-robust4.c: New file.
* tst-robust5.c: New file.
* tst-robust6.c: New file.
* tst-robust7.c: New file.
* Makefile (libpthread-routines): Add pthread_mutexattr_getrobust,
pthread_mutexattr_setrobust, and pthread_mutex_consistent.
(tests): Add tst-robust1, tst-robust2, tst-robust3, tst-robust4,
tst-robust5, tst-robust6, and tst-robust7.
* tst-typesizes.c: New file.
* Makefile (tests): Add tst-typesizes.
* tst-once3.c: More debug output.
2005-12-24 Ulrich Drepper <drepper@redhat.com>
* pthread_mutex_trylock.c (__pthread_mutex_trylock): Add break

7
nptl/Makefile
View File

@ -116,6 +116,8 @@ libpthread-routines = init vars events version \
pthread_kill_other_threads \
pthread_getaffinity pthread_setaffinity \
pthread_attr_getaffinity pthread_attr_setaffinity \
pthread_mutexattr_getrobust pthread_mutexattr_setrobust \
pthread_mutex_consistent \
cleanup_routine unwind-forcedunwind
# pthread_setuid pthread_seteuid pthread_setreuid \
# pthread_setresuid \
@ -189,7 +191,8 @@ CFLAGS-pt-system.c = -fexceptions
omit-deps = $(unix-syscalls:%=ptw-%)
tests = tst-attr1 tst-attr2 tst-attr3 \
tests = tst-typesizes \
tst-attr1 tst-attr2 tst-attr3 \
tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \
tst-mutex7 tst-mutex8 tst-mutex9 tst-mutex5a tst-mutex7a \
tst-spin1 tst-spin2 tst-spin3 \
@ -197,6 +200,8 @@ tests = tst-attr1 tst-attr2 tst-attr3 \
tst-cond8 tst-cond9 tst-cond10 tst-cond11 tst-cond12 tst-cond13 \
tst-cond14 tst-cond15 tst-cond16 tst-cond17 tst-cond18 tst-cond19 \
tst-cond20 tst-cond21 \
tst-robust1 tst-robust2 tst-robust3 tst-robust4 tst-robust5 \
tst-robust6 tst-robust7 \
tst-rwlock1 tst-rwlock2 tst-rwlock3 tst-rwlock4 tst-rwlock5 \
tst-rwlock6 tst-rwlock7 tst-rwlock8 tst-rwlock9 tst-rwlock10 \
tst-rwlock11 tst-rwlock12 tst-rwlock13 tst-rwlock14 \

5
nptl/Versions
View File

@ -232,6 +232,11 @@ libpthread {
pthread_setschedprio;
}
GLIBC_2.4 {
pthread_mutexattr_getrobust_np; pthread_mutexattr_setrobust_np;
pthread_mutex_consistent_np;
};
GLIBC_PRIVATE {
__pthread_initialize_minimal;
__pthread_clock_gettime; __pthread_clock_settime;

45
nptl/descr.h
View File

@ -134,6 +134,51 @@ struct pthread
/* Process ID - thread group ID in kernel speak. */
pid_t pid;
/* List of robust mutexes the thread is holding. */
pthread_mutex_t *robust_list;
#ifdef __PTHREAD_MUTEX_HAVE_PREV
# define ENQUEUE_MUTEX(mutex) \
do { \
mutex->__data.__next = THREAD_GETMEM (THREAD_SELF, robust_list); \
THREAD_SETMEM (THREAD_SELF, robust_list, mutex); \
if (mutex->__data.__next != NULL) \
mutex->__data.__next->__data.__prev = mutex; \
mutex->__data.__prev = NULL; \
} while (0)
# define DEQUEUE_MUTEX(mutex) \
do { \
if (mutex->__data.__prev == NULL) \
THREAD_SETMEM (THREAD_SELF, robust_list, mutex->__data.__next); \
else \
mutex->__data.__prev->__data.__next = mutex->__data.__next; \
if (mutex->__data.__next != NULL) \
mutex->__data.__next->__data.__prev = mutex->__data.__prev; \
mutex->__data.__prev = NULL; \
mutex->__data.__next = NULL; \
} while (0)
#else
# define ENQUEUE_MUTEX(mutex) \
do { \
mutex->__data.__next = THREAD_GETMEM (THREAD_SELF, robust_list); \
THREAD_SETMEM (THREAD_SELF, robust_list, mutex); \
} while (0)
# define DEQUEUE_MUTEX(mutex) \
do { \
pthread_mutex_t *runp = THREAD_GETMEM (THREAD_SELF, robust_list); \
if (runp == mutex) \
THREAD_SETMEM (THREAD_SELF, robust_list, runp->__data.__next); \
else \
{ \
while (runp->__data.__next != mutex) \
runp = runp->__data.__next; \
\
runp->__data.__next = runp->__data.__next->__data.__next; \
mutex->__data.__next = NULL; \
} \
} while (0)
#endif
/* List of cleanup buffers. */
struct _pthread_cleanup_buffer *cleanup;

28
nptl/pthreadP.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -51,6 +51,32 @@
#endif
/* Magic cookie representing robust mutex with dead owner. */
#define PTHREAD_MUTEX_OWNERDEAD INT_MAX
/* Magic cookie representing not recoverable robust mutex. */
#define PTHREAD_MUTEX_NOTRECOVERABLE (INT_MAX - 1)
/* Internal mutex type value. */
enum
{
PTHREAD_MUTEX_ROBUST_PRIVATE_NP = 256,
PTHREAD_MUTEX_ROBUST_PRIVATE_RECURSIVE_NP
= PTHREAD_MUTEX_ROBUST_PRIVATE_NP | PTHREAD_MUTEX_RECURSIVE_NP,
PTHREAD_MUTEX_ROBUST_PRIVATE_ERRORCHECK_NP
= PTHREAD_MUTEX_ROBUST_PRIVATE_NP | PTHREAD_MUTEX_ERRORCHECK_NP,
PTHREAD_MUTEX_ROBUST_PRIVATE_ADAPTIVE_NP
= PTHREAD_MUTEX_ROBUST_PRIVATE_NP | PTHREAD_MUTEX_ADAPTIVE_NP
};
/* Flags in mutex attr. */
#define PTHREAD_MUTEXATTR_FLAG_ROBUST 0x40000000
#define PTHREAD_MUTEXATTR_FLAG_PSHARED 0x80000000
#define PTHREAD_MUTEXATTR_FLAG_BITS \
(PTHREAD_MUTEXATTR_FLAG_ROBUST | PTHREAD_MUTEXATTR_FLAG_PSHARED)
/* Internal variables. */

27
nptl/pthread_create.c
View File

@ -310,6 +310,33 @@ start_thread (void *arg)
the breakpoint reports TD_THR_RUN state rather than TD_THR_ZOMBIE. */
atomic_bit_set (&pd->cancelhandling, EXITING_BIT);
/* If this thread has any robust mutexes locked, handle them now. */
pthread_mutex_t *robust = THREAD_GETMEM (pd, robust_list);
if (__builtin_expect (robust != NULL, 0))
{
do
{
pthread_mutex_t *this = robust;
robust = robust->__data.__next;
assert (lll_mutex_islocked (this->__data.__lock));
this->__data.__count = 0;
--this->__data.__nusers;
assert (this->__data.__owner != PTHREAD_MUTEX_NOTRECOVERABLE);
this->__data.__owner = PTHREAD_MUTEX_OWNERDEAD;
this->__data.__next = NULL;
#ifdef __PTHREAD_MUTEX_HAVE_PREV
this->__data.__prev = NULL;
#endif
lll_mutex_unlock (this->__data.__lock);
}
while (robust != NULL);
/* Clean up so that the thread descriptor can be reused. */
THREAD_SETMEM (pd, robust_list, NULL);
}
/* If the thread is detached free the TCB. */
if (IS_DETACHED (pd))
/* Free the TCB. */

36
nptl/pthread_mutex_consistent.c Normal file
View File

@ -0,0 +1,36 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <pthreadP.h>
int
pthread_mutex_consistent_np (mutex)
pthread_mutex_t *mutex;
{
/* Test whether this is a robust mutex with a dead owner. */
if ((mutex->__data.__kind & PTHREAD_MUTEX_ROBUST_PRIVATE_NP) == 0
|| mutex->__data.__owner != -THREAD_GETMEM (THREAD_SELF, tid))
return EINVAL;
mutex->__data.__owner = -mutex->__data.__owner;
return 0;
}

14
nptl/pthread_mutex_init.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -18,6 +18,7 @@
02111-1307 USA. */
#include <assert.h>
#include <errno.h>
#include <string.h>
#include "pthreadP.h"
@ -40,17 +41,26 @@ __pthread_mutex_init (mutex, mutexattr)
imutexattr = (const struct pthread_mutexattr *) mutexattr ?: &default_attr;
/* Sanity checks. */
// XXX For now we cannot implement robust mutexes if they are shared.
if ((imutexattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_ROBUST) != 0
&& (imutexattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_PSHARED) != 0)
return ENOTSUP;
/* Clear the whole variable. */
memset (mutex, '\0', __SIZEOF_PTHREAD_MUTEX_T);
/* Copy the values from the attribute. */
mutex->__data.__kind = imutexattr->mutexkind & ~0x80000000;
mutex->__data.__kind = imutexattr->mutexkind & ~PTHREAD_MUTEXATTR_FLAG_BITS;
if ((imutexattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_ROBUST) != 0)
mutex->__data.__kind |= PTHREAD_MUTEX_ROBUST_PRIVATE_NP;
/* Default values: mutex not used yet. */
// mutex->__count = 0; already done by memset
// mutex->__owner = 0; already done by memset
// mutex->__nusers = 0; already done by memset
// mutex->__spins = 0; already done by memset
// mutex->__next = NULL; already done by memset
return 0;
}

68
nptl/pthread_mutex_lock.c
View File

@ -19,6 +19,7 @@
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include "pthreadP.h"
#include <lowlevellock.h>
@ -37,6 +38,7 @@ __pthread_mutex_lock (mutex)
pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
int retval = 0;
switch (__builtin_expect (mutex->__data.__kind, PTHREAD_MUTEX_TIMED_NP))
{
/* Recursive mutex. */
@ -57,13 +59,14 @@ __pthread_mutex_lock (mutex)
/* We have to get the mutex. */
LLL_MUTEX_LOCK (mutex->__data.__lock);
assert (mutex->__data.__owner == 0);
mutex->__data.__count = 1;
break;
/* Error checking mutex. */
case PTHREAD_MUTEX_ERRORCHECK_NP:
/* Check whether we already hold the mutex. */
if (mutex->__data.__owner == id)
if (__builtin_expect (mutex->__data.__owner == id, 0))
return EDEADLK;
/* FALLTHROUGH */
@ -72,6 +75,7 @@ __pthread_mutex_lock (mutex)
simple:
/* Normal mutex. */
LLL_MUTEX_LOCK (mutex->__data.__lock);
assert (mutex->__data.__owner == 0);
break;
case PTHREAD_MUTEX_ADAPTIVE_NP:
@ -99,6 +103,65 @@ __pthread_mutex_lock (mutex)
mutex->__data.__spins += (cnt - mutex->__data.__spins) / 8;
}
assert (mutex->__data.__owner == 0);
break;
case PTHREAD_MUTEX_ROBUST_PRIVATE_RECURSIVE_NP:
/* Check whether we already hold the mutex. */
if (abs (mutex->__data.__owner) == id)
{
/* Just bump the counter. */
if (__builtin_expect (mutex->__data.__count + 1 == 0, 0))
/* Overflow of the counter. */
return EAGAIN;
++mutex->__data.__count;
return 0;
}
/* We have to get the mutex. */
LLL_MUTEX_LOCK (mutex->__data.__lock);
mutex->__data.__count = 1;
goto robust;
case PTHREAD_MUTEX_ROBUST_PRIVATE_ERRORCHECK_NP:
/* Check whether we already hold the mutex. */
if (__builtin_expect (abs (mutex->__data.__owner) == id, 0))
return EDEADLK;
/* FALLTHROUGH */
case PTHREAD_MUTEX_ROBUST_PRIVATE_NP:
case PTHREAD_MUTEX_ROBUST_PRIVATE_ADAPTIVE_NP:
LLL_MUTEX_LOCK (mutex->__data.__lock);
robust:
if (__builtin_expect (mutex->__data.__owner
== PTHREAD_MUTEX_NOTRECOVERABLE, 0))
{
/* This mutex is now not recoverable. */
mutex->__data.__count = 0;
lll_mutex_unlock (mutex->__data.__lock);
return ENOTRECOVERABLE;
}
/* This mutex is either healthy or we can try to recover it. */
assert (mutex->__data.__owner == 0
|| mutex->__data.__owner == PTHREAD_MUTEX_OWNERDEAD);
if (__builtin_expect (mutex->__data.__owner
== PTHREAD_MUTEX_OWNERDEAD, 0))
{
retval = EOWNERDEAD;
/* We signal ownership of a not yet recovered robust mutex
by storing the negative thread ID. */
id = -id;
}
ENQUEUE_MUTEX (mutex);
break;
default:
@ -107,13 +170,12 @@ __pthread_mutex_lock (mutex)
}
/* Record the ownership. */
assert (mutex->__data.__owner == 0);
mutex->__data.__owner = id;
#ifndef NO_INCR
++mutex->__data.__nusers;
#endif
return 0;
return retval;
}
#ifndef __pthread_mutex_lock
strong_alias (__pthread_mutex_lock, pthread_mutex_lock)

82
nptl/pthread_mutex_timedlock.c
View File

@ -17,6 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <errno.h>
#include "pthreadP.h"
#include <lowlevellock.h>
@ -49,17 +50,15 @@ pthread_mutex_timedlock (mutex, abstime)
goto out;
}
else
{
/* We have to get the mutex. */
result = lll_mutex_timedlock (mutex->__data.__lock, abstime);
if (result != 0)
goto out;
/* We have to get the mutex. */
result = lll_mutex_timedlock (mutex->__data.__lock, abstime);
/* Only locked once so far. */
mutex->__data.__count = 1;
}
if (result != 0)
goto out;
/* Only locked once so far. */
mutex->__data.__count = 1;
break;
/* Error checking mutex. */
@ -103,6 +102,71 @@ pthread_mutex_timedlock (mutex, abstime)
}
break;
case PTHREAD_MUTEX_ROBUST_PRIVATE_RECURSIVE_NP:
/* Check whether we already hold the mutex. */
if (abs (mutex->__data.__owner) == id)
{
/* Just bump the counter. */
if (__builtin_expect (mutex->__data.__count + 1 == 0, 0))
/* Overflow of the counter. */
return EAGAIN;
++mutex->__data.__count;
goto out;
}
/* We have to get the mutex. */
result = lll_mutex_timedlock (mutex->__data.__lock, abstime);
if (result != 0)
goto out;
/* Only locked once so far. */
mutex->__data.__count = 1;
goto robust;
case PTHREAD_MUTEX_ROBUST_PRIVATE_ERRORCHECK_NP:
/* Check whether we already hold the mutex. */
if (__builtin_expect (abs (mutex->__data.__owner) == id, 0))
return EDEADLK;
/* FALLTHROUGH */
case PTHREAD_MUTEX_ROBUST_PRIVATE_NP:
case PTHREAD_MUTEX_ROBUST_PRIVATE_ADAPTIVE_NP:
result = lll_mutex_timedlock (mutex->__data.__lock, abstime);
if (result != 0)
goto out;
robust:
if (__builtin_expect (mutex->__data.__owner
== PTHREAD_MUTEX_NOTRECOVERABLE, 0))
{
/* This mutex is now not recoverable. */
mutex->__data.__count = 0;
lll_mutex_unlock (mutex->__data.__lock);
return ENOTRECOVERABLE;
}
/* This mutex is either healthy or we can try to recover it. */
assert (mutex->__data.__owner == 0
|| mutex->__data.__owner == PTHREAD_MUTEX_OWNERDEAD);
if (__builtin_expect (mutex->__data.__owner
== PTHREAD_MUTEX_OWNERDEAD, 0))
{
result = EOWNERDEAD;
/* We signal ownership of a not yet recovered robust mutex
by storing the negative thread ID. */
mutex->__data.__owner = -id;
++mutex->__data.__nusers;
}
ENQUEUE_MUTEX (mutex);
break;
default:
/* Correct code cannot set any other type. */
return EINVAL;

88
nptl/pthread_mutex_trylock.c
View File

@ -17,7 +17,9 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <assert.h>
#include <errno.h>
#include <stdlib.h>
#include "pthreadP.h"
#include <lowlevellock.h>
@ -26,13 +28,12 @@ int
__pthread_mutex_trylock (mutex)
pthread_mutex_t *mutex;
{
pid_t id;
pid_t id = THREAD_GETMEM (THREAD_SELF, tid);
switch (__builtin_expect (mutex->__data.__kind, PTHREAD_MUTEX_TIMED_NP))
{
/* Recursive mutex. */
case PTHREAD_MUTEX_RECURSIVE_NP:
id = THREAD_GETMEM (THREAD_SELF, tid);
/* Check whether we already hold the mutex. */
if (mutex->__data.__owner == id)
{
@ -56,20 +57,93 @@ __pthread_mutex_trylock (mutex)
break;
case PTHREAD_MUTEX_ERRORCHECK_NP:
/* Error checking mutex. We do not check for deadlocks. */
/* Check whether we already hold the mutex. */
if (__builtin_expect (mutex->__data.__owner == id, 0))
return EDEADLK;
/* FALLTHROUGH */
case PTHREAD_MUTEX_TIMED_NP:
case PTHREAD_MUTEX_ADAPTIVE_NP:
/* Normal mutex. */
if (lll_mutex_trylock (mutex->__data.__lock) == 0)
if (lll_mutex_trylock (mutex->__data.__lock) != 0)
break;
/* Record the ownership. */
mutex->__data.__owner = id;
++mutex->__data.__nusers;
return 0;
case PTHREAD_MUTEX_ROBUST_PRIVATE_RECURSIVE_NP:
/* Check whether we already hold the mutex. */
if (abs (mutex->__data.__owner) == id)
{
/* Record the ownership. */
mutex->__data.__owner = THREAD_GETMEM (THREAD_SELF, tid);
++mutex->__data.__nusers;
/* Just bump the counter. */
if (__builtin_expect (mutex->__data.__count + 1 == 0, 0))
/* Overflow of the counter. */
return EAGAIN;
++mutex->__data.__count;
return 0;
}
/* We have to get the mutex. */
if (lll_mutex_trylock (mutex->__data.__lock) == 0)
{
mutex->__data.__count = 1;
goto robust;
}
break;
case PTHREAD_MUTEX_ROBUST_PRIVATE_ERRORCHECK_NP:
/* Check whether we already hold the mutex. */
if (__builtin_expect (abs (mutex->__data.__owner) == id, 0))
return EDEADLK;
/* FALLTHROUGH */
case PTHREAD_MUTEX_ROBUST_PRIVATE_NP:
case PTHREAD_MUTEX_ROBUST_PRIVATE_ADAPTIVE_NP:
if (lll_mutex_trylock (mutex->__data.__lock) != 0)
break;
robust:
if (__builtin_expect (mutex->__data.__owner
== PTHREAD_MUTEX_NOTRECOVERABLE, 0))
{
/* This mutex is now not recoverable. */
mutex->__data.__count = 0;
lll_mutex_unlock (mutex->__data.__lock);
return ENOTRECOVERABLE;
}
/* This mutex is either healthy or we can try to recover it. */
assert (mutex->__data.__owner == 0
|| mutex->__data.__owner == PTHREAD_MUTEX_OWNERDEAD);
/* Record the ownership. */
int retval = 0;
if (__builtin_expect (mutex->__data.__owner
== PTHREAD_MUTEX_OWNERDEAD, 0))
{
retval = EOWNERDEAD;
/* We signal ownership of a not yet recovered robust
mutex by storing the negative thread ID. */
id = -id;
}
ENQUEUE_MUTEX (mutex);
mutex->__data.__owner = id;
++mutex->__data.__nusers;
return retval
;
default:
/* Correct code cannot set any other type. */
return EINVAL;

50
nptl/pthread_mutex_unlock.c
View File

@ -18,6 +18,7 @@
02111-1307 USA. */
#include <errno.h>
#include <stdlib.h>
#include "pthreadP.h"
#include <lowlevellock.h>
@ -28,6 +29,8 @@ __pthread_mutex_unlock_usercnt (mutex, decr)
pthread_mutex_t *mutex;
int decr;
{
int newowner = 0;
switch (__builtin_expect (mutex->__data.__kind, PTHREAD_MUTEX_TIMED_NP))
{
case PTHREAD_MUTEX_RECURSIVE_NP:
@ -52,13 +55,58 @@ __pthread_mutex_unlock_usercnt (mutex, decr)
/* Normal mutex. Nothing special to do. */
break;
case PTHREAD_MUTEX_ROBUST_PRIVATE_RECURSIVE_NP:
/* Recursive mutex. */
if (mutex->__data.__owner == -THREAD_GETMEM (THREAD_SELF, tid))
{
if (--mutex->__data.__count != 0)
/* We still hold the mutex. */
return ENOTRECOVERABLE;
goto notrecoverable;
}
if (mutex->__data.__owner != THREAD_GETMEM (THREAD_SELF, tid))
return EPERM;
if (--mutex->__data.__count != 0)
/* We still hold the mutex. */
return 0;
goto robust;
case PTHREAD_MUTEX_ROBUST_PRIVATE_ERRORCHECK_NP:
/* Error checking mutex. */
if (abs (mutex->__data.__owner) != THREAD_GETMEM (THREAD_SELF, tid)
|| ! lll_mutex_islocked (mutex->__data.__lock))
return EPERM;
/* FALLTHROUGH */
case PTHREAD_MUTEX_ROBUST_PRIVATE_NP:
case PTHREAD_MUTEX_ROBUST_PRIVATE_ADAPTIVE_NP:
/* If the previous owner died and the caller did not succeed in
making the state consistent, mark the mutex as unrecoverable
and make all waiters. */
if (__builtin_expect (mutex->__data.__owner
== -THREAD_GETMEM (THREAD_SELF, tid)
|| (mutex->__data.__owner
== PTHREAD_MUTEX_NOTRECOVERABLE), 0))
notrecoverable:
newowner = PTHREAD_MUTEX_NOTRECOVERABLE;
robust:
/* Remove mutex from the list. */
DEQUEUE_MUTEX (mutex);
break;
default:
/* Correct code cannot set any other type. */
return EINVAL;
}
/* Always reset the owner field. */
mutex->__data.__owner = 0;
mutex->__data.__owner = newowner;
if (decr)
/* One less user. */
--mutex->__data.__nusers;

6
nptl/pthread_mutexattr_getpshared.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -29,9 +29,7 @@ pthread_mutexattr_getpshared (attr, pshared)
iattr = (const struct pthread_mutexattr *) attr;
/* We use bit 31 to signal whether the mutex is going to be
process-shared or not. */
*pshared = ((iattr->mutexkind & 0x80000000) != 0
*pshared = ((iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_PSHARED) != 0
? PTHREAD_PROCESS_SHARED : PTHREAD_PROCESS_PRIVATE);
return 0;

36
nptl/pthread_mutexattr_getrobust.c Normal file
View File

@ -0,0 +1,36 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <pthreadP.h>
int
pthread_mutexattr_getrobust_np (attr, robustness)
const pthread_mutexattr_t *attr;
int *robustness;
{
const struct pthread_mutexattr *iattr;
iattr = (const struct pthread_mutexattr *) attr;
*robustness = ((iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_ROBUST) != 0
? PTHREAD_MUTEX_ROBUST_NP : PTHREAD_MUTEX_STALLED_NP);
return 0;
}

6
nptl/pthread_mutexattr_gettype.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -29,9 +29,7 @@ pthread_mutexattr_gettype (attr, kind)
iattr = (const struct pthread_mutexattr *) attr;
/* We use bit 31 to signal whether the mutex is going to be
process-shared or not. */
*kind = iattr->mutexkind & ~0x80000000;
*kind = iattr->mutexkind & ~PTHREAD_MUTEXATTR_FLAG_BITS;
return 0;
}

8
nptl/pthread_mutexattr_setpshared.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -34,12 +34,10 @@ pthread_mutexattr_setpshared (attr, pshared)
iattr = (struct pthread_mutexattr *) attr;
/* We use bit 31 to signal whether the mutex is going to be
process-shared or not. */
if (pshared == PTHREAD_PROCESS_PRIVATE)
iattr->mutexkind &= ~0x80000000;
iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_PSHARED;
else
iattr->mutexkind |= 0x80000000;
iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_PSHARED;
return 0;
}

43
nptl/pthread_mutexattr_setrobust.c Normal file
View File

@ -0,0 +1,43 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <pthreadP.h>
int
pthread_mutexattr_setrobust_np (attr, robustness)
pthread_mutexattr_t *attr;
int robustness;
{
if (robustness != PTHREAD_MUTEX_STALLED_NP
&& __builtin_expect (robustness != PTHREAD_MUTEX_ROBUST_NP, 0))
return EINVAL;
struct pthread_mutexattr *iattr = (struct pthread_mutexattr *) attr;
/* We use bit 30 to signal whether the mutex is going to be
robust or not. */
if (robustness == PTHREAD_MUTEX_STALLED_NP)
iattr->mutexkind &= ~PTHREAD_MUTEXATTR_FLAG_ROBUST;
else
iattr->mutexkind |= PTHREAD_MUTEXATTR_FLAG_ROBUST;
return 0;
}

6
nptl/pthread_mutexattr_settype.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -33,9 +33,7 @@ __pthread_mutexattr_settype (attr, kind)
iattr = (struct pthread_mutexattr *) attr;
/* We use bit 31 to signal whether the mutex is going to be
process-shared or not. */
iattr->mutexkind = (iattr->mutexkind & 0x80000000) | kind;
iattr->mutexkind = (iattr->mutexkind & PTHREAD_MUTEXATTR_FLAG_BITS) | kind;
return 0;
}

53
nptl/sysdeps/pthread/pthread.h
View File

@ -60,24 +60,39 @@ enum
#endif
};
/* Mutex initializers. */
#define PTHREAD_MUTEX_INITIALIZER \
{ { 0, 0, 0, 0, 0, 0 } }
#ifdef __USE_GNU
# if __WORDSIZE == 64
/* Robust mutex or not flags. */
enum
{
PTHREAD_MUTEX_STALLED_NP,
PTHREAD_MUTEX_ROBUST_NP
};
#endif
/* Mutex initializers. */
#if __WORDSIZE == 64
# define PTHREAD_MUTEX_INITIALIZER \
{ { 0, 0, 0, 0, 0, 0, (void *) 0, (void *) 0 } }
# ifdef __USE_GNU
# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
{ { 0, 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0 } }
{ { 0, 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, (void *) 0, (void *) 0 } }
# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
{ { 0, 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0 } }
{ { 0, 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, (void *) 0, (void *) 0 } }
# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
{ { 0, 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0 } }
# else
{ { 0, 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, (void *) 0, (void *) 0 } }
# endif
#else
# define PTHREAD_MUTEX_INITIALIZER \
{ { 0, 0, 0, 0, 0, { 0 } } }
# ifdef __USE_GNU
# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \
{ { 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, 0 } }
{ { 0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, 0, { 0 } } }
# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \
{ { 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, 0 } }
{ { 0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, 0, { 0 } } }
# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \
{ { 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, 0 } }
{ { 0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, 0, { 0 } } }
# endif
#endif
@ -696,6 +711,12 @@ extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex,
extern int pthread_mutex_unlock (pthread_mutex_t *__mutex) __THROW;
#ifdef __USE_GNU
/* Declare the state protected by MUTEX as consistent. */
extern int pthread_mutex_consistent_np (pthread_mutex_t *__mutex) __THROW;
#endif
/* Functions for handling mutex attributes. */
/* Initialize mutex attribute object ATTR with default attributes
@ -726,6 +747,16 @@ extern int pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind)
__THROW;
#endif
#ifdef __USE_GNU
/* Get the robustness flag of the mutex attribute ATTR. */
extern int pthread_mutexattr_getrobust_np (__const pthread_mutexattr_t *__attr,
int *__robustness) __THROW;
/* Set the robustness flag of the mutex attribute ATTR. */
extern int pthread_mutexattr_setrobust_np (pthread_mutexattr_t *__attr,
int __robustness) __THROW;
#endif
#if defined __USE_UNIX98 || defined __USE_XOPEN2K
/* Functions for handling read-write locks. */

8
nptl/sysdeps/unix/sysv/linux/i386/bits/pthreadtypes.h
View File

@ -45,7 +45,7 @@ typedef union
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
typedef union __pthread_mutex_u
{
struct
{
@ -56,7 +56,11 @@ typedef union
binary compatibility. */
int __kind;
unsigned int __nusers;
int __spins;
union
{
int __spins;
union __pthread_mutex_u *__next;
};
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;

17
nptl/sysdeps/unix/sysv/linux/x86_64/bits/pthreadtypes.h
View File

@ -59,7 +59,7 @@ typedef union
/* Data structures for mutex handling. The structure of the attribute
type is not exposed on purpose. */
typedef union
typedef union __pthread_mutex_u
{
struct
{
@ -72,10 +72,19 @@ typedef union
/* KIND must stay at this position in the structure to maintain
binary compatibility. */
int __kind;
#if __WORDSIZE != 64
unsigned int __nusers;
#endif
#if __WORDSIZE == 64
int __spins;
union __pthread_mutex_u *__next;
union __pthread_mutex_u *__prev;
# define __PTHREAD_MUTEX_HAVE_PREV 1
#else
unsigned int __nusers;
union
{
int __spins;
union __pthread_mutex_u *__next;
};
#endif
} __data;
char __size[__SIZEOF_PTHREAD_MUTEX_T];
long int __align;

7
nptl/tst-once3.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -52,6 +52,8 @@ once_handler1 (void)
exit (1);
}
puts ("once_handler1: going to wait on cond");
pthread_cond_wait (&cond, &mut);
/* We should never get here. */
@ -139,6 +141,9 @@ do_test (void)
puts ("join didn't return PTHREAD_CANCELED");
return 1;
}
puts ("joined successfully");
printf ("once = %d\n", *(int *) &once);
if (cl_called != 1)
{

245
nptl/tst-robust1.c Normal file
View File

@ -0,0 +1,245 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <errno.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
static pthread_mutex_t m;
static pthread_barrier_t b;
#ifndef LOCK
# define LOCK(m) pthread_mutex_lock (m)
#endif
static void *
tf (void *arg)
{
long int round = (long int) arg;
if (pthread_setcancelstate (PTHREAD_CANCEL_ENABLE, NULL) != 0)
{
printf ("%ld: setcancelstate failed\n", round);
exit (1);
}
int e = LOCK (&m);
if (e != 0)
{
printf ("%ld: child: mutex_lock failed with error %d\n", round, e);
exit (1);
}
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: child: 1st barrier_wait failed\n", round);
exit (1);
}
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: child: 2nd barrier_wait failed\n", round);
exit (1);
}
pthread_testcancel ();
printf ("%ld: testcancel returned\n", round);
exit (1);
}
static int
do_test (void)
{
#ifdef PREPARE_TMO
PREPARE_TMO;
#endif
pthread_mutexattr_t a;
if (pthread_mutexattr_init (&a) != 0)
{
puts ("mutexattr_init failed");
return 1;
}
if (pthread_mutexattr_setrobust_np (&a, PTHREAD_MUTEX_ROBUST_NP) != 0)
{
puts ("mutexattr_setrobust failed");
return 1;
}
#ifndef NOT_CONSISTENT
if (pthread_mutex_init (&m, &a) != 0)
{
puts ("mutex_init failed");
return 1;
}
#endif
if (pthread_barrier_init (&b, NULL, 2) != 0)
{
puts ("barrier_init failed");
return 1;
}
for (long int round = 1; round < 5; ++round)
{
#ifdef NOT_CONSISTENT
if (pthread_mutex_init (&m, &a) != 0)
{
puts ("mutex_init failed");
return 1;
}
#endif
pthread_t th;
if (pthread_create (&th, NULL, tf, (void *) round) != 0)
{
printf ("%ld: create failed\n", round);
return 1;
}
int e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: parent: 1st barrier_wait failed\n", round);
return 1;
}
if (pthread_cancel (th) != 0)
{
printf ("%ld: cancel failed\n", round);
return 1;
}
e = pthread_barrier_wait (&b);
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD)
{
printf ("%ld: parent: 2nd barrier_wait failed\n", round);
return 1;
}
#ifndef AFTER_JOIN
if (round & 1)
#endif
{
void *res;
if (pthread_join (th, &res) != 0)
{
printf ("%ld: join failed\n", round);
return 1;
}
if (res != PTHREAD_CANCELED)
{
printf ("%ld: thread not canceled\n", round);
return 1;
}
}
e = LOCK (&m);
if (e == 0)
{
printf ("%ld: parent: mutex_lock succeeded\n", round);
return 1;
}
if (e != EOWNERDEAD)
{
printf ("%ld: parent: mutex_lock returned wrong code\n", round);
return 1;
}
#ifndef AFTER_JOIN
if ((round & 1) == 0)
{
void *res;
if (pthread_join (th, &res) != 0)
{
printf ("%ld: join failed\n", round);
return 1;
}
if (res != PTHREAD_CANCELED)
{
printf ("%ld: thread not canceled\n", round);
return 1;
}
}
#endif
#ifndef NOT_CONSISTENT
e = pthread_mutex_consistent_np (&m);
if (e != 0)
{
printf ("%ld: mutex_consistent failed with error %d\n", round, e);
return 1;
}
#endif
e = pthread_mutex_unlock (&m);
if (e != 0)
{
printf ("%ld: mutex_unlocked failed\n", round);
return 1;
}
#ifdef NOT_CONSISTENT
e = LOCK (&m);
if (e == 0)
{
printf ("%ld: locking inconsistent mutex succeeded\n", round);
return 1;
}
if (e != ENOTRECOVERABLE)
{
printf ("%ld: locking inconsistent mutex failed with error %d\n",
round, e);
return 1;
}
if (pthread_mutex_destroy (&m) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
#endif
}
#ifndef NOT_CONSISTENT
if (pthread_mutex_destroy (&m) != 0)
{
puts ("mutex_destroy failed");
return 1;
}
#endif
if (pthread_mutexattr_destroy (&a) != 0)
{
puts ("mutexattr_destroy failed");
return 1;
}
return 0;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"

3
nptl/tst-robust2.c Normal file
View File

@ -0,0 +1,3 @@
#define AFTER_JOIN 1
#define LOCK(m) pthread_mutex_trylock (m)
#include "tst-robust1.c"

20
nptl/tst-robust3.c Normal file
View File

@ -0,0 +1,20 @@
#include <time.h>
#include <sys/time.h>
static struct timespec tmo;
#define PREPARE_TMO \
do { \
struct timeval tv; \
gettimeofday (&tv, NULL); \
\
/* Define the timeout as one hour in the future. */ \
tmo.tv_sec = tv.tv_sec + 3600; \
tmo.tv_nsec = 0; \
} while (0)
#define LOCK(m) pthread_mutex_timedlock (m, &tmo)
#include "tst-robust1.c"

2
nptl/tst-robust4.c Normal file
View File

@ -0,0 +1,2 @@
#define NOT_CONSISTENT 1
#include "tst-robust1.c"

2
nptl/tst-robust5.c Normal file
View File

@ -0,0 +1,2 @@
#define NOT_CONSISTENT 1
#include "tst-robust2.c"

2
nptl/tst-robust6.c Normal file
View File

@ -0,0 +1,2 @@
#define NOT_CONSISTENT 1
#include "tst-robust3.c"

68
nptl/tst-typesizes.c Normal file
View File

@ -0,0 +1,68 @@
/* Copyright (C) 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2005.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio.h>
#include <pthreadP.h>
#include <semaphore.h>
static int
do_test (void)
{
int result = 0;
#define TEST_TYPE(name) \
printf ("%s: ", #name); \
if (sizeof (name) != sizeof (((name *) 0)->__size)) \
{ \
printf ("expected %zu, is %zu\n", \
sizeof (((name *) 0)->__size), sizeof (name)); \
result = 1; \
} \
else \
puts ("OK")
TEST_TYPE (pthread_mutex_t);
TEST_TYPE (pthread_cond_t);
TEST_TYPE (pthread_rwlock_t);
#define TEST_TYPE2(name, internal) \
printf ("%s: ", #name); \
if (sizeof (((name *) 0)->__size) < sizeof (internal)) \
{ \
printf ("expected %zu, is %zu\n", \
sizeof (((name *) 0)->__size), sizeof (internal)); \
result = 1; \
} \
else \
puts ("OK")
TEST_TYPE2 (pthread_attr_t, struct pthread_attr);
TEST_TYPE2 (pthread_mutexattr_t, struct pthread_mutexattr);
TEST_TYPE2 (pthread_condattr_t, struct pthread_condattr);
TEST_TYPE2 (pthread_rwlockattr_t, struct pthread_rwlockattr);
TEST_TYPE2 (pthread_barrier_t, struct pthread_barrier);
TEST_TYPE2 (pthread_barrierattr_t, struct pthread_barrierattr);
TEST_TYPE2 (sem_t, struct sem);
return result;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"