From: Pavel Pisa <pisa@cmp.felk.cvut.cz>
Date: Sat, 25 Jul 2015 21:14:55 +0000 (+0200)
Subject: Merge branch 'master' into can-usb1
X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/commitdiff_plain/3c47a7cd435662f7e2daa006596722271f5dd090?hp=b29ebe97fb5acced24e8ce9bb30e5d4dcad58815

Merge branch 'master' into can-usb1
---

diff --git a/lincan/include/can_sysdep.h b/lincan/include/can_sysdep.h
index 60c76de..b2c8d83 100644
--- a/lincan/include/can_sysdep.h
+++ b/lincan/include/can_sysdep.h
@@ -136,13 +136,13 @@
 
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,7)) || (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
 
-#define MINOR_NR \
-	(MINOR(file->f_dentry->d_inode->i_rdev))
+#define INODE2MINOR_NR(inode) \
+	(MINOR(inode->i_rdev))
 
 #else /* Linux kernel < 2.5.7 or >= 2.6.0 */
 
-#define MINOR_NR \
-	(minor(file->f_dentry->d_inode->i_rdev))
+#define INODE2MINOR_NR(inode) \
+	(minor(inode->i_rdev))
 
 #endif /* Linux kernel < 2.5.7 or >= 2.6.0 */
 
diff --git a/lincan/include/main.h b/lincan/include/main.h
index f7a302c..aad913d 100644
--- a/lincan/include/main.h
+++ b/lincan/include/main.h
@@ -406,6 +406,7 @@ struct mem_addr {
 /* Structure for the RTR queue */
 struct rtr_id {
 	unsigned long id;
+	int ready_fl;
 	struct canmsg_t *rtr_message;
 	wait_queue_head_t rtr_wq;
 	struct rtr_id *next;
diff --git a/lincan/src/i82527.c b/lincan/src/i82527.c
index 635dfc7..6445f5d 100644
--- a/lincan/src/i82527.c
+++ b/lincan/src/i82527.c
@@ -750,6 +750,7 @@ void i82527_irq_rtr_handler(struct canchip_t *chip, struct msgobj_t *obj,
 
 	can_spin_unlock(&hardware_p->rtr_lock);
 
+	rtr_search->ready_fl = 1;
 	if (waitqueue_active(&rtr_search->rtr_wq))
 		wake_up(&rtr_search->rtr_wq);
 }
diff --git a/lincan/src/ioctl_remote.c b/lincan/src/ioctl_remote.c
index 5ba89f8..8c3dd77 100644
--- a/lincan/src/ioctl_remote.c
+++ b/lincan/src/ioctl_remote.c
@@ -46,6 +46,7 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 	struct rtr_id *rtr_current, *new_rtr_entry;
 	struct msgobj_t *obj;
 	struct canchip_t *chip;
+	int err;
 	/*struct canque_ends_t *qends;*/
 
 	DEBUGMSG("Remote transmission request\n");
@@ -84,6 +85,7 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 	}
 	init_waitqueue_head(&new_rtr_entry->rtr_wq);
 	new_rtr_entry->id = rtr_id;
+	new_rtr_entry->ready_fl = 0;
 	new_rtr_entry->rtr_message = rtr_msg;
 	new_rtr_entry->next=NULL;
 
@@ -92,7 +94,8 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 	/* Send remote transmission request */
 	chip->chipspecops->remote_request(chip,obj);
 	obj->ret = 0;
-	interruptible_sleep_on(&new_rtr_entry->rtr_wq);
+
+	err = wait_event_interruptible(new_rtr_entry->rtr_wq, new_rtr_entry->ready_fl);
 
 	can_spin_lock_irqsave(&hardware_p->rtr_lock, flags);
 	if (hardware_p->rtr_queue == new_rtr_entry) {
@@ -113,6 +116,9 @@ int can_ioctl_remote_read(struct canuser_t *canuser, struct canmsg_t *rtr_msg,
 	can_spin_unlock_irqrestore(&hardware_p->rtr_lock, flags);
 	kfree(new_rtr_entry);
 
+	if (err)
+		return -EINTR;
+
 	return obj->ret;
 }
 
diff --git a/lincan/src/open.c b/lincan/src/open.c
index 942225a..266aed4 100644
--- a/lincan/src/open.c
+++ b/lincan/src/open.c
@@ -50,15 +50,21 @@ int can_open(struct inode *inode, struct file *file)
 	struct canque_edge_t *edge;
 	can_spin_irqflags_t iflags;
 	char openflag;		// Martin Petera: Object already opened
+	int minor_nr = INODE2MINOR_NR(inode);
 
-	if ( ((obj=objects_p[MINOR_NR]) == NULL) ||
-			((chip=objects_p[MINOR_NR]->hostchip) == NULL) ) {
-		CANMSG("There is no hardware support for the device file with minor nr.: %d\n",MINOR_NR);
+	if ((minor_nr < 0) || (minor_nr >= MAX_TOT_MSGOBJS)) {
+		CANMSG("can_open: bad minor %d\n", minor_nr);
+		return -ENODEV;
+	}
+
+	if ( ((obj=objects_p[minor_nr]) == NULL) ||
+	    ((chip=objects_p[minor_nr]->hostchip) == NULL) ) {
+		CANMSG("There is no hardware support for the device file with minor nr.: %d\n", minor_nr);
 		return -ENODEV;
 	}
 
 	atomic_inc(&obj->obj_used);
-	DEBUGMSG("Device %d opened %d times.\n", MINOR_NR, atomic_read(&obj->obj_used));
+	DEBUGMSG("Device %d opened %d times.\n", minor_nr, atomic_read(&obj->obj_used));
 	openflag = can_msgobj_test_fl(obj,OPENED);	// Martin Petera: store previous status
 	can_msgobj_set_fl(obj,OPENED);
 
diff --git a/omk/rules/linux/Makefile.rules b/omk/rules/linux/Makefile.rules
index 1458619..6c3095e 100644
--- a/omk/rules/linux/Makefile.rules
+++ b/omk/rules/linux/Makefile.rules
@@ -4,7 +4,7 @@
 #  (C) Copyright 2006, 2007, 2008, 2009, 2010, 2011 by Michal Sojka - Czech Technical University, FEE, DCE
 #
 #  Homepage: http://rtime.felk.cvut.cz/omk/
-#  Version:  0.2-97-g532aeb1
+#  Version:  0.2-111-g8f9236e
 #
 # The OMK build system is distributed under the GNU General Public
 # License.  See file COPYING for details.
@@ -348,7 +348,7 @@ omkize:
 	fi
 	$(Q)for i in `find -L . -name Makefile.omk` ; do \
 	   d=`dirname $${i}`; \
-	   if ! test -f "$${d}/Makefile.rules" && ( test -f "$${d}/Makefile" && ! cmp --silent Makefile "$${d}/Makefile" ); then \
+	   if ! test -f "$${d}/Makefile.rules" && ( test -f "$${d}/Makefile" && ! cmp -s Makefile "$${d}/Makefile" ); then \
 	      rm -f "$${d}/Makefile"; \
 	      cp -v Makefile "$${d}/Makefile"; \
 	   fi \
@@ -402,14 +402,15 @@ endif
 
 ifneq ($(LN_HEADERS),y)
 define cp_cmd
-if ! cmp --quiet $(1) $(2); then \
+if ! cmp -s $(1) $(2); then \
     echo "  CP      $(1:$(OUTPUT_DIR)/%=%) -> $(2:$(OUTPUT_DIR)/%=%)"; \
-    install -D $(CPHEADER_FLAGS) $(1) $(2) || exit 1; \
+    install -d $(CPHEADER_FLAGS) `dirname $(2)` && \
+    install $(CPHEADER_FLAGS) $(1) $(2) || exit 1; \
 fi
 endef
 else
 define cp_cmd
-if ! cmp --quiet $(1) $(2); then \
+if ! cmp -s $(1) $(2); then \
     echo "  LN      $(1:$(OUTPUT_DIR)/%=%) -> $(2:$(OUTPUT_DIR)/%=%)"; \
     if [ -f $(1) ]; then d=$(2); mkdir -p $${d%/*} && ln -sf $(LNHEADER_FLAGS) $(1) $(2) || exit 1; else exit 1; fi; \
 fi
@@ -568,9 +569,9 @@ endif
 
 ifdef USER_RULE_TEMPLATES
 
-USER_SOURCES2OBJS = .o/.c .o/.cc .o/.cxx .o/.S .o/.o
+USER_SOURCES2OBJS = .o/.c .o/.cc .o/.cxx .o/.cpp .o/.S .o/.o
 
-USER_SOURCES2OBJSLO = .lo/.c .lo/.cc .lo/.cxx .lo/.S .lo/.lo
+USER_SOURCES2OBJSLO = .lo/.c .lo/.cc .lo/.cxx .lo/.cpp .lo/.S .lo/.lo
 
 #%.lo: %.c
 #	$(CC) -o $@ $(LCFLAGS) -c $<
@@ -579,7 +580,7 @@ c_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -DOMK_FOR_USER
 
 cc_o_COMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
-	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -DOMK_FOR_USER
+	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(CXXFLAGS) -DOMK_FOR_USER
 
 S_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(ASFLAGS) -DOMK_FOR_USER
@@ -689,7 +690,7 @@ USER_SOURCES += $$($(1)_SOURCES)
 
 $(2)/$(1)$(3): $$($(1)_OBJS)
 	@$(QUIET_CMD_ECHO) "  LINK    $$@"
-	$(Q) $$(if $$(filter %.cc,$$($(1)_SOURCES:%.cxx=%.cc)),$$(CXX),$$(CC)) \
+	$(Q) $$(if $$(filter %.cc,$$($(1)_SOURCES))$$(filter %.cxx,$$($(1)_SOURCES))$$(filter %.cpp,$$($(1)_SOURCES)),$$(CXX),$$(CC)) \
 	  $$($(1)_OBJS) $$($(1)_LIBS:%=-l%) $$(LOADLIBES) $$(LDFLAGS) $$($(1)_LDFLAGS) -Wl,-rpath-link,$(USER_LIB_DIR) -Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map -o $$@
 	@echo "$(2)/$(1)$(3): \\" >$(USER_OBJS_DIR)/$(1).exe.d
 	@$(SED4OMK) -n -e 's|^LOAD \(.*\)$$$$|  \1  \&|p' $(USER_OBJS_DIR)/$(1).exe.map|tr '&' '\134'  >>$(USER_OBJS_DIR)/$(1).exe.d
@@ -994,6 +995,7 @@ define MODULE_kern_template
 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
 $(1)_OBJS := $$(sort $$($(1)_OBJS))
 
 KERN_OBJS  += $$($(1)_OBJS)
@@ -1046,6 +1048,7 @@ define LIBRARY_kern_template
 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
+$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
 $(1)_OBJS := $$(sort $$($(1)_OBJS))
 
 KERN_OBJS  += $$($(1)_OBJS)
@@ -1177,6 +1180,8 @@ $(foreach src,$(filter %.cc,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template
 
 $(foreach src,$(filter %.cxx,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
 
+$(foreach src,$(filter %.cpp,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.o),)))
+
 $(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
 
 $(foreach src,$(filter %.c,$(USER_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.o),)))
@@ -1196,6 +1201,8 @@ $(foreach src,$(filter %.cc,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_templat
 
 $(foreach src,$(filter %.cxx,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.lo),$(SOLIB_PICFLAGS))))
 
+$(foreach src,$(filter %.cpp,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.lo),$(SOLIB_PICFLAGS))))
+
 $(foreach src,$(filter %.S,$(SOLIB_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.lo),$(SOLIB_PICFLAGS))))
 
 $(foreach src,$(filter %.c,$(SOLIB_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))
@@ -1226,6 +1233,8 @@ $(foreach src,$(filter %.cc,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_tem
 
 $(foreach src,$(filter %.cxx,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
 
+$(foreach src,$(filter %.cpp,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.o),)))
+
 $(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
 endif
 
@@ -1274,7 +1283,7 @@ $(addprefix $(1)/,$(notdir $(addsuffix .stamp,$(2)))) : $(CONFIG_FILES)
 		  >> "$(2).tmp"
 	@echo "#endif /*$(4)*/" >> "$(2).tmp"
 	@touch "$$@"
-	@if cmp --quiet "$(2).tmp" "$(2)" ; then rm "$(2).tmp"; \
+	@if cmp -s "$(2).tmp" "$(2)" ; then rm "$(2).tmp"; \
 	else mv "$(2).tmp" "$(2)" ; \
 	echo "Updated configuration $(2)" ; fi
 
diff --git a/omk/rules/linux/kernelcfg2mk b/omk/rules/linux/kernelcfg2mk
index 9636241..ecbd286 100755
--- a/omk/rules/linux/kernelcfg2mk
+++ b/omk/rules/linux/kernelcfg2mk
@@ -121,7 +121,7 @@ EOF
 #=====================================================================
 # test for 2.6.x and 3.x kernels
 
-    2.6 | 3.* )
+    2.6 | 3.* | 4.* )
 
 	rm -f ${KERN_BUILD_DIR}/kernel.mk
 	rm -rf ${KERN_TEST_DIR}
@@ -155,9 +155,9 @@ flags:
 	@echo LINUX_CROSS_COMPILE="\$(CROSS_COMPILE)" >>\$(obj)/flags
 	@echo LINUX_KERNELRELEASE="\$(KERNELRELEASE)" >>\$(obj)/flags
 ifdef KBUILD_CFLAGS
-	@echo LINUX_CPPFLAGS="\$(KBUILD_CPPFLAGS)\$(if \$(filter -I,\$(KBUILD_CPPFLAGS)),, \$(LINUXINCLUDE))" | sed 's#-I\(include\|arch\)#-I"\$(LINUXDIR)/\1"#g'>>\$(obj)/flags
-	@echo LINUX_AFLAGS="\$(KBUILD_AFLAGS)" | sed 's#-I\(include\|arch\)#-I"\$(OMK_LINUX_SRC)/\1"#g'>>\$(obj)/flags
-	@echo LINUX_CFLAGS="\$(KBUILD_CFLAGS)" | sed 's#-I\(include\|arch\)#-I"\$(OMK_LINUX_SRC)/\1"#g'>>\$(obj)/flags
+	@echo LINUX_CPPFLAGS="\$(KBUILD_CPPFLAGS)\$(if \$(filter -I,\$(KBUILD_CPPFLAGS)),, \$(LINUXINCLUDE))" | sed 's#-I\(\./\|include\|arch\)#-I"\$(LINUXDIR)/\1"#g'>>\$(obj)/flags
+	@echo LINUX_AFLAGS="\$(KBUILD_AFLAGS)" | sed 's#-I\(\./\|include\|arch\)#-I"\$(OMK_LINUX_SRC)/\1"#g'>>\$(obj)/flags
+	@echo LINUX_CFLAGS="\$(KBUILD_CFLAGS)" | sed 's#-I\(\./\|include\|arch\)#-I"\$(OMK_LINUX_SRC)/\1"#g'>>\$(obj)/flags
 else
 	@echo LINUX_CPPFLAGS="\$(CPPFLAGS)" | sed 's#Iinclude#I"\$(LINUXDIR)/include"#g'>>\$(obj)/flags
 	@echo LINUX_AFLAGS="\$(AFLAGS)" | sed 's#Iinclude#I"\$(OMK_LINUX_SRC)/include"#g'>>\$(obj)/flags
@@ -166,7 +166,7 @@ endif
 ifdef KBUILD_CFLAGS_MODULE
 	@echo LINUX_CFLAGS_MODULE="\$(KBUILD_CFLAGS_MODULE)" >>\$(obj)/flags
 	@echo LINUX_AFLAGS_MODULE="\$(KBUILD_AFLAGS_MODULE)" >>\$(obj)/flags
-	@echo LINUX_LDFLAGS_MODULE="\$(KBUILD_LDFLAGS_MODULE)" >>\$(obj)/flags
+	@echo LINUX_LDFLAGS_MODULE="\$(KBUILD_LDFLAGS_MODULE)" | sed 's# \./#"\$(OMK_LINUX_SRC)"/#g' >>\$(obj)/flags
 else
 	@echo LINUX_CFLAGS_MODULE="\$(CFLAGS_MODULE)" >>\$(obj)/flags
 	@echo LINUX_AFLAGS_MODULE="\$(CFLAGS_MODULE)" >>\$(obj)/flags