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glibc/linuxthreads/README.Xfree3.2

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This file describes how to make a threaded X11R6.
You need the source-code of XFree-3.2. I used the sources of X11R6.1
(files: xc-1.tar.gz xc-2.tar.gz xc-3.tar.gz) and the patches to
XFree-3.2 (files: README.X11.patch R6.1pl1-3.2.diff.gz cfont32.tgz).
Untar the xc-?.tar.gz files in a directory called XF3.2 and apply
the XFree-3.2 patches as described in README.X11.patch or use the
whole XFree86 source.
Now apply the thread patch with
patch -p0 < XF3.2.xc.diff
Go to the XF3.2/xc directory and make the whole thing:
nice make World >& world.log &
tail -f world.log
Wait a few hours or interrupt the process after the shared libs
are made. The shared libs are:
XF3.2/xc/lib/ICE/libICE.so.6.0*
XF3.2/xc/lib/PEX5/libPEX5.so.6.0*
XF3.2/xc/lib/SM/libSM.so.6.0*
XF3.2/xc/lib/X11/libX11.so.6.1*
XF3.2/xc/lib/XIE/libXIE.so.6.0*
XF3.2/xc/lib/XThrStub/libXThrStub.so.6.0*
XF3.2/xc/lib/Xaw/libXaw.so.6.1*
XF3.2/xc/lib/Xext/libXext.so.6.1*
XF3.2/xc/lib/Xi/libXi.so.6.0*
XF3.2/xc/lib/Xmu/libXmu.so.6.0*
XF3.2/xc/lib/Xt/libXt.so.6.0*
XF3.2/xc/lib/Xtst/libXtst.so.6.1*
(The Program dga didn't compile, but I have not check out why.)
Now you can copy the resulting libs
cp XF3.2/xc/lib/*/*.so.?.? /usr/X11R6/lib/
and create some links
cd /usr/X11R6/lib/
ln -s libXThrStub.so.6.0 libXThrStub.so.6
ln -s libXThrStub.so.6 libXThrStub.so
or use make install (not tested, and needs new configuration).
It is possible with the libXThrSub to compile X11 programs without linking
libpthread to them and not necessary to recompile already installed
unthreaded X11 programs, because libXThrSub keeps the dynamic linker quit.
On the other hand you can link libpthread to a X11 program to use threads.
I used linux 2.0.23 and libc 5.4.7 .
Hans-Helmut Bühmann hans@expmech.ing.tu-bs.de
----------------------------------------------------------------------------
XF3.2.xc.diff:
-----------------------------------------------------------------------------
diff -u --recursive XF3.2.orig/xc/config/cf/linux.cf XF3.2/xc/config/cf/linux.cf
--- XF3.2.orig/xc/config/cf/linux.cf Sun Nov 10 17:05:30 1996
+++ XF3.2/xc/config/cf/linux.cf Sun Nov 10 16:30:55 1996
@@ -61,6 +61,14 @@
#define HasSnprintf YES
#endif
+#define HasPosixThreads YES
+#define ThreadedX YES
+#define BuildThreadStubLibrary YES
+#define NeedUIThrStubs YES
+#define HasThreadSafeAPI NO
+#define SystemMTDefines -D_REENTRANT
+#define ThreadsLibraries -lpthread
+
#define AvoidNullMakeCommand YES
#define StripInstalledPrograms YES
#define CompressAllFonts YES
@@ -158,7 +166,7 @@
#define LdPostLib /* Never needed */
#ifdef i386Architecture
-#define OptimizedCDebugFlags DefaultGcc2i386Opt -m486
+#define OptimizedCDebugFlags DefaultGcc2i386Opt -m486 -pipe
#define StandardDefines -Dlinux -D__i386__ -D_POSIX_SOURCE \
-D_BSD_SOURCE -D_SVID_SOURCE -DX_LOCALE
#define XawI18nDefines -DUSE_XWCHAR_STRING -DUSE_XMBTOWC
diff -u --recursive XF3.2.orig/xc/config/cf/lnxLib.tmpl XF3.2/xc/config/cf/lnxLib.tmpl
--- XF3.2.orig/xc/config/cf/lnxLib.tmpl Sun Nov 10 17:05:30 1996
+++ XF3.2/xc/config/cf/lnxLib.tmpl Sat Nov 9 14:52:39 1996
@@ -19,7 +19,7 @@
#define CplusplusLibC
-#define SharedX11Reqs
+#define SharedX11Reqs -L$(BUILDLIBDIR) -lXThrStub
#define SharedOldXReqs $(LDPRELIB) $(XLIBONLY)
#define SharedXtReqs $(LDPRELIB) $(XLIBONLY) $(SMLIB) $(ICELIB)
#define SharedXawReqs $(LDPRELIB) $(XMULIB) $(XTOOLLIB) $(XLIB)
diff -u --recursive XF3.2.orig/xc/include/Xthreads.h XF3.2/xc/include/Xthreads.h
--- XF3.2.orig/xc/include/Xthreads.h Thu Dec 7 02:19:09 1995
+++ XF3.2/xc/include/Xthreads.h Sat Nov 9 01:04:55 1996
@@ -229,12 +229,12 @@
#define xcondition_wait(c,m) pthread_cond_wait(c,m)
#define xcondition_signal(c) pthread_cond_signal(c)
#define xcondition_broadcast(c) pthread_cond_broadcast(c)
-#ifdef _DECTHREADS_
+#if defined(_DECTHREADS_) || defined(linux)
static xthread_t _X_no_thread_id;
#define xthread_have_id(id) !pthread_equal(id, _X_no_thread_id)
#define xthread_clear_id(id) id = _X_no_thread_id
#define xthread_equal(id1,id2) pthread_equal(id1, id2)
-#endif /* _DECTHREADS_ */
+#endif /* _DECTHREADS_ || linux */
#if _CMA_VENDOR_ == _CMA__IBM
#ifdef DEBUG /* too much of a hack to enable normally */
/* see also cma__obj_set_name() */
diff -u --recursive XF3.2.orig/xc/lib/X11/util/makekeys.c XF3.2/xc/lib/X11/util/makekeys.c
--- XF3.2.orig/xc/lib/X11/util/makekeys.c Mon Apr 18 02:22:22 1994
+++ XF3.2/xc/lib/X11/util/makekeys.c Sat Nov 9 00:44:14 1996
@@ -73,7 +73,7 @@
register char c;
int first;
int best_max_rehash;
- int best_z;
+ int best_z = 0;
int num_found;
KeySym val;
diff -u --recursive XF3.2.orig/xc/lib/XThrStub/Imakefile XF3.2/xc/lib/XThrStub/Imakefile
--- XF3.2.orig/xc/lib/XThrStub/Imakefile Sun Nov 10 17:08:12 1996
+++ XF3.2/xc/lib/XThrStub/Imakefile Sat Nov 9 19:04:51 1996
@@ -25,7 +25,7 @@
DEFINES = $(ALLOC_DEFINES)
INCLUDES =
SRCS = $(STUBSRCS)
- OBJS = $(STUBOBJS
+ OBJS = $(STUBOBJS)
LINTLIBS = $(LINTXLIB)
#include <Library.tmpl>
diff -u --recursive XF3.2.orig/xc/lib/XThrStub/UIThrStubs.c XF3.2/xc/lib/XThrStub/UIThrStubs.c
--- XF3.2.orig/xc/lib/XThrStub/UIThrStubs.c Sun Nov 10 17:08:12 1996
+++ XF3.2/xc/lib/XThrStub/UIThrStubs.c Sun Nov 10 15:14:55 1996
@@ -37,16 +37,43 @@
* specificies the thread library on the link line.
*/
+#if defined(linux)
+#include <pthread.h>
+#else
#include <thread.h>
#include <synch.h>
+#endif
+#if defined(linux)
+static pthread_t no_thread_id;
+#endif /* defined(linux) */
+
+#if defined(linux)
+#pragma weak pthread_self = _Xthr_self_stub_
+pthread_t
+_Xthr_self_stub_()
+{
+ return(no_thread_id);
+}
+#else /* defined(linux) */
#pragma weak thr_self = _Xthr_self_stub_
thread_t
_Xthr_self_stub_()
{
return((thread_t)0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_mutex_init = _Xmutex_init_stub_
+int
+_Xmutex_init_stub_(m, a)
+ pthread_mutex_t *m;
+ __const pthread_mutexattr_t *a;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak mutex_init = _Xmutex_init_stub_
int
_Xmutex_init_stub_(m, t, a)
@@ -56,7 +83,17 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_mutex_destroy = _Xmutex_destroy_stub_
+int
+_Xmutex_destroy_stub_(m)
+ pthread_mutex_t *m;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak mutex_destroy = _Xmutex_destroy_stub_
int
_Xmutex_destroy_stub_(m)
@@ -64,7 +101,17 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_mutex_lock = _Xmutex_lock_stub_
+int
+_Xmutex_lock_stub_(m)
+ pthread_mutex_t *m;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak mutex_lock = _Xmutex_lock_stub_
int
_Xmutex_lock_stub_(m)
@@ -72,7 +119,17 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_mutex_unlock = _Xmutex_unlock_stub_
+int
+_Xmutex_unlock_stub_(m)
+ pthread_mutex_t *m;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak mutex_unlock = _Xmutex_unlock_stub_
int
_Xmutex_unlock_stub_(m)
@@ -80,7 +137,18 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_cond_init = _Xcond_init_stub_
+int
+_Xcond_init_stub_(c, a)
+ pthread_cond_t *c;
+ __const pthread_condattr_t *a;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak cond_init = _Xcond_init_stub_
int
_Xcond_init_stub_(c, t, a)
@@ -90,7 +158,17 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_cond_destroy = _Xcond_destroy_stub_
+int
+_Xcond_destroy_stub_(c)
+ pthread_cond_t *c;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak cond_destroy = _Xcond_destroy_stub_
int
_Xcond_destroy_stub_(c)
@@ -98,7 +176,18 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_cond_wait = _Xcond_wait_stub_
+int
+_Xcond_wait_stub_(c,m)
+ pthread_cond_t *c;
+ pthread_mutex_t *m;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak cond_wait = _Xcond_wait_stub_
int
_Xcond_wait_stub_(c,m)
@@ -107,7 +196,17 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_cond_signal = _Xcond_signal_stub_
+int
+_Xcond_signal_stub_(c)
+ pthread_cond_t *c;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak cond_signal = _Xcond_signal_stub_
int
_Xcond_signal_stub_(c)
@@ -115,7 +214,17 @@
{
return(0);
}
+#endif /* defined(linux) */
+#if defined(linux)
+#pragma weak pthread_cond_broadcast = _Xcond_broadcast_stub_
+int
+_Xcond_broadcast_stub_(c)
+ pthread_cond_t *c;
+{
+ return(0);
+}
+#else /* defined(linux) */
#pragma weak cond_broadcast = _Xcond_broadcast_stub_
int
_Xcond_broadcast_stub_(c)
@@ -123,3 +232,15 @@
{
return(0);
}
+#endif /* defined(linux) */
+
+#if defined(linux)
+#pragma weak pthread_equal = _Xthr_equal_stub_
+int
+_Xthr_equal_stub_(t1, t2)
+ pthread_t t1;
+ pthread_t t2;
+{
+ return(1);
+}
+#endif /* defined(linux) */
-------------------------------------------------------------------------
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