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

6 files changed, 8 insertions, 7 deletions

diff --git a/libc/sysdeps/linux/common/create_module.c b/libc/sysdeps/linux/common/create_module.c
index 1cacaefaf..223b909f5 100644
--- a/libc/sysdeps/linux/common/create_module.c
+++ b/libc/sysdeps/linux/common/create_module.c
@@ -42,7 +42,7 @@ unsigned long create_module(const char *name, size_t size)
 	/* Jump through hoops to fixup error return codes */
 	if (ret == -1 && errno > 125) {
 		ret = -errno;
-		errno = 0;
+		__set_errno(0);
 	}
 	return ret;
 }
diff --git a/libc/sysdeps/linux/common/errno.c b/libc/sysdeps/linux/common/errno.c
index 418fc933b..e6a8ae875 100644
--- a/libc/sysdeps/linux/common/errno.c
+++ b/libc/sysdeps/linux/common/errno.c
@@ -6,3 +6,4 @@ int * __errno_location ( void )
 {
   return &errno;
 }
+
diff --git a/libc/sysdeps/linux/common/getdnnm.c b/libc/sysdeps/linux/common/getdnnm.c
index fdcbb0f3a..46751b1e7 100644
--- a/libc/sysdeps/linux/common/getdnnm.c
+++ b/libc/sysdeps/linux/common/getdnnm.c
@@ -9,14 +9,14 @@ getdomainname(char *name, size_t len)
   struct utsname uts;
 
   if (name == NULL) {
-    errno = EINVAL;
+    __set_errno(EINVAL);
     return -1;
   }
 
   if (uname(&uts) == -1) return -1;
 
   if (strlen(uts.domainname)+1 > len) {
-    errno = EINVAL;
+    __set_errno(EINVAL);
     return -1;
   }
   strcpy(name, uts.domainname);
diff --git a/libc/sysdeps/linux/common/gethstnm.c b/libc/sysdeps/linux/common/gethstnm.c
index 0728f65a4..0f7a04681 100644
--- a/libc/sysdeps/linux/common/gethstnm.c
+++ b/libc/sysdeps/linux/common/gethstnm.c
@@ -9,14 +9,14 @@ gethostname(char *name, size_t len)
   struct utsname uts;
 
   if (name == NULL) {
-    errno = EINVAL;
+    __set_errno(EINVAL);
     return -1;
   }
 
   if (uname(&uts) == -1) return -1;
 
   if (strlen(uts.nodename)+1 > len) {
-    errno = EINVAL;
+    __set_errno(EINVAL);
     return -1;
   }
   strcpy(name, uts.nodename);
diff --git a/libc/sysdeps/linux/common/seteuid.c b/libc/sysdeps/linux/common/seteuid.c
index 179477a14..a0a63610d 100644
--- a/libc/sysdeps/linux/common/seteuid.c
+++ b/libc/sysdeps/linux/common/seteuid.c
@@ -9,7 +9,7 @@ int seteuid(uid_t uid)
   case 2:
     if (uid == 65535)
     {
-      errno = EINVAL;
+      __set_errno(EINVAL);
       return -1;
     }
     break;
diff --git a/libc/sysdeps/linux/common/syscalls.c b/libc/sysdeps/linux/common/syscalls.c
index ca0b3a317..8d51f1f4f 100644
--- a/libc/sysdeps/linux/common/syscalls.c
+++ b/libc/sysdeps/linux/common/syscalls.c
@@ -139,7 +139,7 @@ int _xmknod (int version, const char * path, mode_t mode, dev_t *dev)
 		case 1:
 			return mknod (path, mode, *dev);
 		default:
-			errno = EINVAL;
+			__set_errno(EINVAL);
 			return -1;
 	}
 }