buildsys: fixup sigaction handling

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

libc/signal/Makefile.in

@@ -17,7 +17,7 @@ CSRC-$(UCLIBC_HAS_OBSOLETE_SYSV_SIGNAL) += sysv_signal.c
 CSRC-$(UCLIBC_SUSV4_LEGACY) += sigintr.c
 
 ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-CSRC-y:=$(filter-out raise.c sigaction.c,$(CSRC-y))
+CSRC-y:=$(filter-out raise.c,$(CSRC-y))
 endif
 
 ifneq ($(strip $(ARCH_OBJS)),)

libc/sysdeps/linux/arm/Makefile.arch

@@ -5,11 +5,7 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := brk.c ioperm.c iopl.c mmap.c __syscall_error.c
+CSRC := brk.c ioperm.c iopl.c mmap.c __syscall_error.c sigaction.c
-
-ifneq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-CSRC += sigaction.c
-endif
 
 SSRC := \
 	__longjmp.S setjmp.S bsd-setjmp.S \

libc/sysdeps/linux/i386/Makefile.arch

@@ -5,11 +5,7 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := brk.c __syscall_error.c
+CSRC := brk.c __syscall_error.c sigaction.c
-
-ifneq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-CSRC += sigaction.c
-endif
 
 SSRC := \
 	__longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \

libc/sysdeps/linux/mips/Makefile.arch

@@ -7,7 +7,7 @@
 
 CSRC := \
 	__longjmp.c  brk.c setjmp_aux.c mmap.c \
-	cacheflush.c pread_write.c sysmips.c _test_and_set.c \
+	cacheflush.c pread_write.c sigaction.c sysmips.c _test_and_set.c \
 	readahead.c
 
 SSRC := bsd-_setjmp.S bsd-setjmp.S setjmp.S syscall.S pipe.S syscall_error.S
@@ -17,7 +17,6 @@ CSRC += posix_fadvise.c posix_fadvise64.c
 endif
 
 ifneq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-CSRC += sigaction.c
 SSRC += vfork.S clone.S
 endif
 

libc/sysdeps/linux/sparc/Makefile.arch

@@ -5,14 +5,13 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := brk.c __syscall_error.c
+CSRC := brk.c __syscall_error.c sigaction.c
 
 SSRC := \
 	__longjmp.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
 	syscall.S urem.S udiv.S umul.S sdiv.S rem.S pipe.S
 
 ifneq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-CSRC += sigaction.c
 SSRC += fork.S vfork.S clone.S
 endif
 

libc/sysdeps/linux/x86_64/Makefile.arch

@@ -5,11 +5,7 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-CSRC := brk.c __syscall_error.c mmap.c
+CSRC := brk.c __syscall_error.c sigaction.c mmap.c
-
-ifneq ($(UCLIBC_HAS_THREADS_NATIVE),y)
-CSRC += sigaction.c
-endif
 
 SSRC := \
 	__longjmp.S setjmp.S syscall.S bsd-setjmp.S bsd-_setjmp.S

libpthread/nptl/.gitignore

@@ -26,6 +26,5 @@ sysdeps/pthread/pt-crtn.S
 #
 # symlinks
 #
-sysdeps/pthread/pt-sigaction.c
 sysdeps/pthread/pt-sigfillset.c
 sysdeps/pthread/pt-sigprocmask.c

libpthread/nptl/sysdeps/pthread/Makefile.in

@@ -42,8 +42,6 @@ CFLAGS-pthread_barrier_wait.c = -D_GNU_SOURCE
 CFLAGS-pthread_spin_destroy.c = -D_GNU_SOURCE
 CFLAGS-pthread_spin_init.c = -D_GNU_SOURCE
 CFLAGS-pthread_spin_unlock.c = -D_GNU_SOURCE
-CFLAGS-pt-sigaction.c = -I$(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH) \
-			-I$(top_srcdir)libc/signal
 CFLAGS-pt-sigfillset.c = -I$(top_srcdir)libc/signal
 CFLAGS-pt-sigprocmask.c = -I$(top_srcdir)libc/sysdeps/linux/common
 CFLAGS-unwind-forcedunwind.c = -fexceptions -fasynchronous-unwind-tables
@@ -58,10 +56,6 @@ CFLAGS-rt-unwind-resume.c = -DIS_IN_librt				\
 libpthread-so-y += $(patsubst %,$(libpthread_pthread_OUT)/%.oS, \
 	pt-sigaction pt-sigprocmask unwind-forcedunwind)
 
-CFLAGS-OMIT-sigaction.c = $(CFLAGS-pthread)
-CFLAGS-sigaction.c = -I$(top_srcdir)libc/signal
-libc-y += $(libpthread_pthread_OUT)/sigaction.o
-
 librt-pt-routines-y = librt-cancellation.c
 librt-pt-shared-only-routines-y = rt-unwind-resume.c
 
@@ -114,7 +108,7 @@ endif
 # impl, but ok.
 # Special rules needed since we do objdir->objdir compilation for these 3.
 # First symlink them, then build them. Rob would freak out on these. Sheesh! ;)
-pthread-lc-fwd = sigaction sigfillset sigprocmask
+pthread-lc-fwd = sigfillset sigprocmask
 $(patsubst %,$(libpthread_pthread_OUT)/pt-%.c,$(pthread-lc-fwd)): | $(libpthread_pthread_OUT)
 	$(do_ln) $(call rel_srcdir)$(patsubst pt-%,$(libpthread_pthread_DIR)/%,$(@F)) $@
 $(patsubst %,$(libpthread_pthread_OUT)/pt-%.oS,$(pthread-lc-fwd)): $(libpthread_pthread_OUT)/pt-%.oS: $(libpthread_pthread_OUT)/pt-%.c
@@ -131,5 +125,5 @@ objclean-y += CLEAN_libpthread/nptl/sysdeps/pthread
 CLEAN_libpthread/nptl/sysdeps/pthread:
 	$(do_rm) $(addprefix $(libpthread_pthread_OUT)/*., o os oS s S) \
 		$(libpthread_pthread_OUT)/defs.h \
-		$(addprefix $(libpthread_pthread_DIR)/,pt-sigaction.c \
+		$(addprefix $(libpthread_pthread_DIR)/, \
 			pt-sigfillset.c pt-sigprocmask.c)

libpthread/nptl/sysdeps/pthread/sigaction.c → libpthread/nptl/sysdeps/pthread/pt-sigaction.c

@@ -17,20 +17,17 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#ifndef LIBC_SIGACTION
-
 #include <pthreadP.h>
+#include <signal.h>
 
 /* We use the libc implementation but we tell it to not allow
    SIGCANCEL or SIGTIMER to be handled.  */
-#define LIBC_SIGACTION	1
-#include <sigaction.c>
 
-extern __typeof(sigaction) __sigaction;
+extern __typeof(sigaction) __libc_sigaction;
 int
 __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
 {
-  if (__builtin_expect (sig == SIGCANCEL || sig == SIGSETXID, 0))
+  if (unlikely (sig == SIGCANCEL || sig == SIGSETXID))
     {
       __set_errno (EINVAL);
       return -1;
@@ -41,9 +38,3 @@ __sigaction (int sig, const struct sigaction *act, struct sigaction *oact)
 libc_hidden_proto(sigaction)
 weak_alias (__sigaction, sigaction)
 libc_hidden_weak(sigaction)
-
-#else
-
-# include_next <sigaction.c>
-
-#endif /* LIBC_SIGACTION */