Wolfgang Grandegger wrote:
> Hello,
>
> I tried to test the POSIX example program satch.c under Linux 2.4.25 for
> PPC. I was able to fix a few issues but the module does still not load.
> I have attached a patch for Xenomai 2.4.2 fixing:
>
> - User-space satch: It was necessary to move time.h and signal.h to the
> end of the include block to get it compiled (otherwise clockid_t is
> defined, etc.)
>
> - User-space satch: It was necessary to move "#define xnprintf printf"
> behind the include block, otherwise the linker complains about missing
> symbols. I wonder how this can work with 2.6. And what is the status
> of xnprintf?
>
> - Makefile: to avoid a mixup of CFLAG definitions for compiling the
> user-space and kernel-space part, I renamed CFLAGS to UCFLAGS etc.
> (see patch). Note sure if this is an issue for 2.6 as well.
>
> - Makefile: I added -DPRODUCER to the module build with Linux 2.4.
>
> - I got the module build, but insmod fails with:
>
> bash-2.05b# insmod satch.o
> satch.o: unresolved symbol shm_unlink
> satch.o: unresolved symbol ftruncate
> satch.o: unresolved symbol shm_open
> satch.o: unresolved symbol munmap
> satch.o: unresolved symbol mmap
> satch.o: unresolved symbol pse51_shm_close
>
> Any idea why?
>
> Thanks,
Does the following patch improve anything ?
--
Gilles Chanteperdrix.
Index: include/posix/sys/mman.h
===================================================================
--- include/posix/sys/mman.h (revision 3561)
+++ include/posix/sys/mman.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <asm/mman.h>
#endif /* __KERNEL__ */
Index: include/posix/signal.h
===================================================================
--- include/posix/signal.h (revision 3561)
+++ include/posix/signal.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/signal.h>
Index: include/posix/time.h
===================================================================
--- include/posix/time.h (revision 3561)
+++ include/posix/time.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/time.h>
#define DELAYTIMER_MAX UINT_MAX
Index: include/posix/mqueue.h
===================================================================
--- include/posix/mqueue.h (revision 3561)
+++ include/posix/mqueue.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/signal.h>
Index: include/posix/semaphore.h
===================================================================
--- include/posix/semaphore.h (revision 3561)
+++ include/posix/semaphore.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/kernel.h>
#include <linux/fcntl.h>
Index: include/posix/errno.h
===================================================================
--- include/posix/errno.h (revision 3561)
+++ include/posix/errno.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/errno.h>
#include <linux/unistd.h> /* conflicting declaration of errno. */
Index: include/posix/fcntl.h
===================================================================
--- include/posix/fcntl.h (revision 3561)
+++ include/posix/fcntl.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/fcntl.h>
#endif /* __KERNEL__ */
Index: include/posix/sched.h
===================================================================
--- include/posix/sched.h (revision 3561)
+++ include/posix/sched.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/sched.h>
#endif /* __KERNEL__ */
Index: include/posix/unistd.h
===================================================================
--- include/posix/unistd.h (revision 3561)
+++ include/posix/unistd.h (working copy)
@@ -21,6 +21,8 @@
#if defined(__KERNEL__) || defined(__XENO_SIM__)
+#include <nucleus/xenomai.h>
+
#ifdef __KERNEL__
#include <linux/types.h>
#endif /* __KERNEL__ */
Index: examples/posix/Makefile
===================================================================
--- examples/posix/Makefile (revision 3561)
+++ examples/posix/Makefile (working copy)
@@ -79,7 +79,7 @@ else
ARCH ?= $(shell uname -i)
INCLUDE := -I$(KSRC)/include/xenomai -I$(KSRC)/include/xenomai/compat
-I$(KSRC)/include/xenomai/posix
-CFLAGS += $(shell $(MAKE) -s -C $(KSRC) CC=$(CC) ARCH=$(ARCH) SUBDIRS=$(PWD)
modules) $(INCLUDE)
+CFLAGS := $(shell $(MAKE) -s -C $(KSRC) CC=$(CC) ARCH=$(ARCH) SUBDIRS=$(PWD)
modules) $(INCLUDE)
all:: $(OBJS)
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