Fix include/errno.h to not use kernel header, and instead use bits/errno.h.

This required we use _LIBC instead of __LIBC__ to be consistent with glibc.
This had some sideffects in sys/syscalls.h.  While fixing things, I made
everything use __set_errno() for (eventual) thread support.
 -Erik

1 files changed, 1 insertions, 1 deletions

diff --git a/libc/signal/sigaddset.c b/libc/signal/sigaddset.c
index ec1c96e9b..269f7d367 100644
--- a/libc/signal/sigaddset.c
+++ b/libc/signal/sigaddset.c
@@ -25,7 +25,7 @@
 int sigaddset ( sigset_t *set, int signo)
 {
   if (set == NULL || signo <= 0 || signo >= NSIG) {
-      errno = EINVAL;
+      __set_errno(EINVAL);
       return -1;
     }