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2008-05-17 Samuel Thibault <samuel.thibault@ens-lyon.org>
* include/pthread/pthread.h (pthread_getattr_np): New declaration.
* pthread/pt-getattr.c: New file.
* Makefile (SRCS): Add pt-getattr.c.
Index: libpthread/Makefile
===================================================================
RCS file: /cvsroot/hurd/hurd/libpthread/Makefile,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -r1.7 -r1.8
--- libpthread/Makefile 19 Nov 2007 17:37:02 -0000 1.7
+++ libpthread/Makefile 17 May 2008 20:07:55 -0000 1.8
@@ -45,6 +45,7 @@
\
pt-alloc.c \
pt-create.c \
+ pt-getattr.c \
pt-equal.c \
pt-dealloc.c \
pt-detach.c \
Index: libpthread/include/pthread/pthread.h
===================================================================
RCS file: /cvsroot/hurd/hurd/libpthread/include/pthread/pthread.h,v
retrieving revision 1.10
retrieving revision 1.11
diff -u -r1.10 -r1.11
--- libpthread/include/pthread/pthread.h 1 Jan 2008 04:07:13 -0000 1.10
+++ libpthread/include/pthread/pthread.h 17 May 2008 20:07:56 -0000 1.11
@@ -188,6 +188,13 @@
/* Set the value of the stacksize attribute in *ATTR to STACKSIZE. */
extern int pthread_attr_setstacksize (pthread_attr_t *attr,
size_t stacksize);
+
+#ifdef __USE_GNU
+/* Initialize thread attribute *ATTR with attributes corresponding to the
+ already running thread THREAD. It shall be called on an uninitialized ATTR
+ and destroyed with pthread_attr_destroy when no longer needed. */
+extern int pthread_getattr_np (pthread_t thread, pthread_attr_t *attr);
+#endif
/* Create a thread with attributes given by ATTR, executing
--- /dev/null 2008-05-16 23:43:09.480010765 +0200
+++ libpthread/pthread/pt-getattr.c 2008-05-17 22:07:56.000000000 +0200
@@ -0,0 +1,49 @@
+/* Thread attributes retrieval.
+ Copyright (C) 2008 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 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.
+
+ You should have received a copy of the GNU Library 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. */
+
+#include <assert.h>
+#include <errno.h>
+#include <pthread.h>
+
+#include <pt-internal.h>
+
+/* Initialize thread attribute *ATTR with attributes corresponding to the
+ already running thread THREAD. It shall be called on an uninitialized ATTR
+ and destroyed with pthread_attr_destroy when no longer needed. */
+int
+pthread_getattr_np (pthread_t thread, pthread_attr_t *attr)
+{
+ struct __pthread *pthread;
+
+ pthread = __pthread_getid(thread);
+ if (pthread == NULL)
+ return ESRCH;
+
+ /* Some attributes (schedparam, inheritsched, contentionscope and schedpolicy)
+ are not supported yet, so fill them with our default values. */
+ *attr = __pthread_default_attr;
+
+ attr->stackaddr = pthread->stackaddr;
+ attr->stacksize = pthread->stacksize;
+ attr->guardsize = pthread->guardsize;
+ attr->detachstate = (pthread->state == PTHREAD_DETACHED
+ ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE);
+
+ return 0;
+}
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