7 files changed, 21 insertions, 43 deletions
diff --git a/include/signal.h b/include/signal.h
index a0b3edc1a..8674b1a3b 100644
--- a/include/signal.h
+++ b/include/signal.h
@@ -291,6 +291,24 @@ libc_hidden_proto(sigsuspend)
 extern int sigaction (int __sig, __const struct sigaction *__restrict __act,
 		      struct sigaction *__restrict __oact) __THROW;
 #ifdef _LIBC
+# if 0 /* this is in headers */
+/* In uclibc, userspace struct sigaction is identical to
+ * "new" struct kernel_sigaction (one from the Linux 2.1.68 kernel).
+ * See sigaction.h
+ */
+struct old_kernel_sigaction;
+extern int __syscall_sigaction(int, __const struct old_kernel_sigaction *,
+	struct old_kernel_sigaction *) attribute_hidden;
+# else /* this is how the function is built */
+extern __typeof(sigaction) __syscall_sigaction attribute_hidden;
+# endif
+/* candidate for attribute_hidden, if NPTL would behave */
+extern int __syscall_rt_sigaction(int, __const struct sigaction *,
+	struct sigaction *, size_t)
+# ifndef __UCLIBC_HAS_THREADS_NATIVE__
+		attribute_hidden
+# endif
+	;
 extern __typeof(sigaction) __libc_sigaction;
 libc_hidden_proto(sigaction)
 #endif
diff --git a/libc/sysdeps/linux/alpha/bits/kernel_sigaction.h b/libc/sysdeps/linux/alpha/bits/kernel_sigaction.h
index cd6b2133d..7746e3078 100644
--- a/libc/sysdeps/linux/alpha/bits/kernel_sigaction.h
+++ b/libc/sysdeps/linux/alpha/bits/kernel_sigaction.h
@@ -9,12 +9,4 @@ struct old_kernel_sigaction {
 	unsigned int sa_flags;
 };
 
-/* In uclibc, userspace struct sigaction is identical to
- * "new" struct kernel_sigaction (one from the Linux 2.1.68 kernel).
- * See sigaction.h
- */
-
-extern int __syscall_rt_sigaction (int, const struct sigaction *,
-	struct sigaction *, size_t) attribute_hidden;
-
 #endif
diff --git a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
index 006b38a2a..723bf2e12 100644
--- a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
+++ b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
@@ -12,11 +12,8 @@
 #ifdef __NR_rt_sigaction
 #include <signal.h>
 
-int __syscall_rt_sigaction (int __signum, const struct sigaction *__act,
-							struct sigaction *__oldact, size_t __size);
-
 #define __NR___syscall_rt_sigaction __NR_rt_sigaction
 _syscall4(int, __syscall_rt_sigaction, int, signum,
-		  const struct sigaction *, act, struct sigaction *, oldact,
-		  size_t, size)
+	  const struct sigaction *, act, struct sigaction *, oldact,
+	  size_t, size)
 #endif
diff --git a/libc/sysdeps/linux/common/__syscall_sigaction.c b/libc/sysdeps/linux/common/__syscall_sigaction.c
index ae0f01e9e..98e6637ea 100644
--- a/libc/sysdeps/linux/common/__syscall_sigaction.c
+++ b/libc/sysdeps/linux/common/__syscall_sigaction.c
@@ -12,8 +12,7 @@
 #ifndef __NR_rt_sigaction
 #define __NR___syscall_sigaction __NR_sigaction
 #include <signal.h>
-int __syscall_sigaction (int __signum, const struct sigaction *__act, struct sigaction *__oldact) attribute_hidden;
 _syscall3(int, __syscall_sigaction, int, signum, const struct sigaction *,
-		  act, struct sigaction *, oldact)
+	  act, struct sigaction *, oldact)
 #endif
 
diff --git a/libc/sysdeps/linux/common/bits/kernel_sigaction.h b/libc/sysdeps/linux/common/bits/kernel_sigaction.h
index 0a35ac8cb..5c8726058 100644
--- a/libc/sysdeps/linux/common/bits/kernel_sigaction.h
+++ b/libc/sysdeps/linux/common/bits/kernel_sigaction.h
@@ -19,18 +19,6 @@ struct old_kernel_sigaction {
 	unsigned long sa_flags;
 	void (*sa_restorer)(void);
 };
-/* In uclibc, userspace struct sigaction is identical to
- * "new" struct kernel_sigaction (one from the Linux 2.1.68 kernel).
- * See sigaction.h
- */
-
-extern int __syscall_sigaction(int, const struct old_kernel_sigaction *,
-	struct old_kernel_sigaction *);
-
 #endif
 
-
-extern int __syscall_rt_sigaction(int, const struct sigaction *,
-	struct sigaction *, size_t);
-
 #endif /* _BITS_SIGACTION_STRUCT_H */
diff --git a/libc/sysdeps/linux/hppa/bits/kernel_sigaction.h b/libc/sysdeps/linux/hppa/bits/kernel_sigaction.h
index 1c093a522..5834bf37a 100644
--- a/libc/sysdeps/linux/hppa/bits/kernel_sigaction.h
+++ b/libc/sysdeps/linux/hppa/bits/kernel_sigaction.h
@@ -12,12 +12,4 @@ struct old_kernel_sigaction {
 	unsigned long sa_flags;
 };
 
-/* In uclibc, userspace struct sigaction is identical to
- * "new" struct kernel_sigaction (one from the Linux 2.1.68 kernel).
- * See sigaction.h
- */
-
-extern int __syscall_rt_sigaction (int, const struct sigaction *,
-	struct sigaction *, size_t) attribute_hidden;
-
 #endif
diff --git a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h
index 2048095c8..65eff7c92 100644
--- a/libc/sysdeps/linux/mips/bits/kernel_sigaction.h
+++ b/libc/sysdeps/linux/mips/bits/kernel_sigaction.h
@@ -24,12 +24,4 @@ struct old_kernel_sigaction {
 #endif
 };
 
-/* In uclibc, userspace struct sigaction is identical to
- * "new" struct kernel_sigaction (one from the Linux 2.1.68 kernel).
- * See sigaction.h
- */
-
-extern int __syscall_rt_sigaction (int, const struct sigaction *,
-	struct sigaction *, size_t) attribute_hidden;
-
 #endif