Changes and additions migrated from cvs.devel.redhat.com:/cvs/devel/glibc to fedora-branch

14 files changed, 87 insertions, 43 deletions

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 524d9b56bc..b06743dcb7 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -121,6 +121,11 @@
 	Move definition inside libpthread, libc, librt check.  Provide
 	definition for rtld.
 
+2004-09-02  Jakub Jelinek  <jakub@redhat.com>
+
+	* pthread_cond_destroy.c (__pthread_cond_destroy): If there are
+	waiters, awake all waiters on the associated mutex.
+
 2004-09-02  Ulrich Drepper  <drepper@redhat.com>
 
 	* sysdeps/alpha/jmpbuf-unwind.h: Define __libc_unwind_longjmp.
@@ -2195,6 +2200,11 @@
 
 	* Makefile [$(build-shared) = yes] (tests): Depend on $(test-modules).
 
+2003-07-22  Jakub Jelinek  <jakub@redhat.com>
+
+	* descr.h: Don't include lowlevellock.h, pthreaddef.h and dl-sysdep.h
+	if __need_struct_pthread_size, instead define lll_lock_t.
+
 2003-07-25  Jakub Jelinek  <jakub@redhat.com>
 
 	* tst-cancel17.c (do_test): Check if aio_cancel failed.
diff --git a/nptl/Makefile b/nptl/Makefile
index db7f78ef63..f39e0bd303 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -503,15 +503,19 @@ $(addprefix $(objpfx), \
     $(tests) $(test-srcs))): $(objpfx)libpthread.so \
 			     $(objpfx)libpthread_nonshared.a
 $(objpfx)tst-unload: $(common-objpfx)dlfcn/libdl.so
-# $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so,
+# $(objpfx)linklibc.so is used instead of $(common-objpfx)libc.so,
 # since otherwise libpthread.so comes before libc.so when linking.
 $(addprefix $(objpfx), $(tests-reverse)): \
-  $(objpfx)../libc.so $(objpfx)libpthread.so \
+  $(objpfx)linklibc.so $(objpfx)libpthread.so \
   $(objpfx)libpthread_nonshared.a
 $(objpfx)../libc.so: $(common-objpfx)libc.so ;
 $(addprefix $(objpfx),$(tests-static)): $(objpfx)libpthread.a
 
 $(objpfx)tst-atfork2.out: $(objpfx)tst-atfork2mod.so
+
+$(objpfx)linklibc.so: $(common-objpfx)libc.so
+	ln -s ../libc.so $@
+generated += libclink.so
 else
 $(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a
 endif
diff --git a/nptl/alloca_cutoff.c b/nptl/alloca_cutoff.c
index 6dc5cfa2ce..ba26ceba3d 100644
--- a/nptl/alloca_cutoff.c
+++ b/nptl/alloca_cutoff.c
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/descr.h b/nptl/descr.h
index 0f8d347b79..89bfbd25ad 100644
--- a/nptl/descr.h
+++ b/nptl/descr.h
@@ -27,9 +27,13 @@
 #include <sys/types.h>
 #include <hp-timing.h>
 #include <list.h>
+#ifdef __need_struct_pthread_size
+#define lll_lock_t int
+#else
 #include <lowlevellock.h>
 #include <pthreaddef.h>
 #include <dl-sysdep.h>
+#endif
 #include "../nptl_db/thread_db.h"
 #include <tls.h>
 #ifdef HAVE_FORCED_UNWIND
diff --git a/nptl/pthread_cond_destroy.c b/nptl/pthread_cond_destroy.c
index 0208d18ce4..3e4ec8d0e4 100644
--- a/nptl/pthread_cond_destroy.c
+++ b/nptl/pthread_cond_destroy.c
@@ -44,15 +44,35 @@ __pthread_cond_destroy (cond)
      broadcasted, but still are using the pthread_cond_t structure,
      pthread_cond_destroy needs to wait for them.  */
   unsigned int nwaiters = cond->__data.__nwaiters;
-  while (nwaiters >= (1 << COND_CLOCK_BITS))
+
+  if (nwaiters >= (1 << COND_CLOCK_BITS))
     {
-      lll_mutex_unlock (cond->__data.__lock);
+      /* Wake everybody on the associated mutex in case there are
+         threads that have been requeued to it.
+         Without this, pthread_cond_destroy could block potentially
+         for a long time or forever, as it would depend on other
+         thread's using the mutex.
+         When all threads waiting on the mutex are woken up, pthread_cond_wait
+         only waits for threads to acquire and release the internal
+         condvar lock.  */
+      if (cond->__data.__mutex != NULL
+	  && cond->__data.__mutex != (void *) ~0l)
+	{
+	  pthread_mutex_t *mut = (pthread_mutex_t *) cond->__data.__mutex;
+	  lll_futex_wake (&mut->__data.__lock, INT_MAX);
+	}
+
+      do
+	{
+	  lll_mutex_unlock (cond->__data.__lock);
 
-      lll_futex_wait (&cond->__data.__nwaiters, nwaiters);
+	  lll_futex_wait (&cond->__data.__nwaiters, nwaiters);
 
-      lll_mutex_lock (cond->__data.__lock);
+	  lll_mutex_lock (cond->__data.__lock);
 
-      nwaiters = cond->__data.__nwaiters;
+	  nwaiters = cond->__data.__nwaiters;
+	}
+      while (nwaiters >= (1 << COND_CLOCK_BITS));
     }
 
   return 0;
diff --git a/nptl/sysdeps/pthread/allocalim.h b/nptl/sysdeps/pthread/allocalim.h
index 2d666c0b0a..35224ec74f 100644
--- a/nptl/sysdeps/pthread/allocalim.h
+++ b/nptl/sysdeps/pthread/allocalim.h
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/pthread/bits/libc-lock.h b/nptl/sysdeps/pthread/bits/libc-lock.h
index 0adf273e35..8310092e7e 100644
--- a/nptl/sysdeps/pthread/bits/libc-lock.h
+++ b/nptl/sysdeps/pthread/bits/libc-lock.h
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/pthread/bits/sigthread.h b/nptl/sysdeps/pthread/bits/sigthread.h
index df2bcac291..960bde18a9 100644
--- a/nptl/sysdeps/pthread/bits/sigthread.h
+++ b/nptl/sysdeps/pthread/bits/sigthread.h
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/pthread/pt-initfini.c b/nptl/sysdeps/pthread/pt-initfini.c
index e9169e652a..1e35edd3eb 100644
--- a/nptl/sysdeps/pthread/pt-initfini.c
+++ b/nptl/sysdeps/pthread/pt-initfini.c
@@ -3,11 +3,11 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it
-   and/or modify it under the terms of the GNU Library General Public
+   and/or modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
-   In addition to the permissions in the GNU Library General Public
+   In addition to the permissions in the GNU Lesser General Public
    License, the Free Software Foundation gives you unlimited
    permission to link the compiled version of this file with other
    programs, and to distribute those programs without any restriction
@@ -19,9 +19,9 @@
    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 Library General Public License for more details.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
index 0bc8e048af..b639ba44af 100644
--- a/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
+++ b/nptl/sysdeps/unix/sysv/linux/bits/local_lim.h
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
index 7335e38a98..b0a117a200 100644
--- a/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
+++ b/nptl/sysdeps/unix/sysv/linux/bits/posix_opt.h
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/bits/posix_opt.h b/nptl/sysdeps/unix/sysv/linux/i386/bits/posix_opt.h
index 7563de8ad2..d8ece5efdc 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/bits/posix_opt.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/bits/posix_opt.h
@@ -3,16 +3,16 @@
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/kernel-features.h b/nptl/sysdeps/unix/sysv/linux/kernel-features.h
new file mode 100644
index 0000000000..162d73e388
--- /dev/null
+++ b/nptl/sysdeps/unix/sysv/linux/kernel-features.h
@@ -0,0 +1,6 @@
+#include_next <kernel-features.h>
+
+/* NPTL can always assume all clone thread flags work.  */
+#ifndef __ASSUME_CLONE_THREAD_FLAGS
+# define __ASSUME_CLONE_THREAD_FLAGS	1
+#endif
diff --git a/nptl/tst-unload.c b/nptl/tst-unload.c
index ad86518caa..4ff43bb635 100644
--- a/nptl/tst-unload.c
+++ b/nptl/tst-unload.c
@@ -3,16 +3,16 @@
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2000.
 
    The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
+   You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; see the file COPYING.LIB.  If not,
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */