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diff --git a/lib/libsys/Makefile b/lib/libsys/Makefile
--- a/lib/libsys/Makefile
+++ b/lib/libsys/Makefile
@@ -25,6 +25,8 @@
INCS= libsys.h _libsys.h
+CFLAGS+=-DLIBSYS
+
CFLAGS+=-I${LIBSYS_SRCTOP}/include -I${LIBC_SRCTOP}/include
CFLAGS+=-I${LIBSYS_SRCTOP}/${LIBC_ARCH}
CFLAGS+=-I${LIBC_SRCTOP}/${LIBC_ARCH}
diff --git a/lib/libsys/Symbol.map b/lib/libsys/Symbol.map
--- a/lib/libsys/Symbol.map
+++ b/lib/libsys/Symbol.map
@@ -1,5 +1,6 @@
FBSDprivate_1.0 {
__elf_aux_vector;
+ __libsys_errno;
__getosreldate;
__libsys_interposing_slot;
__realpathat;
diff --git a/lib/libsys/Symbol.sys.map b/lib/libsys/Symbol.sys.map
--- a/lib/libsys/Symbol.sys.map
+++ b/lib/libsys/Symbol.sys.map
@@ -72,7 +72,6 @@
extattr_set_file;
extattr_set_link;
extattrctl;
- errno;
fchdir;
fchflags;
fchmod;
diff --git a/lib/libsys/__error.c b/lib/libsys/__error.c
--- a/lib/libsys/__error.c
+++ b/lib/libsys/__error.c
@@ -31,13 +31,15 @@
#include "libc_private.h"
-int errno;
+int __libsys_errno;
+#ifdef LIBSYS
+__sym_compat(errno, __libsys_errno, FBSD_1.0);
+#endif
static int *
__error_unthreaded(void)
{
-
- return (&errno);
+ return (&__libsys_errno);
}
static int *(*__error_selector)(void) = __error_unthreaded;
@@ -45,13 +47,11 @@
void
__set_error_selector(int *(*arg)(void))
{
-
__error_selector = arg;
}
int *
__error(void)
{
-
return (__error_selector());
}
diff --git a/lib/libthr/sys/thr_error.c b/lib/libthr/sys/thr_error.c
--- a/lib/libthr/sys/thr_error.c
+++ b/lib/libthr/sys/thr_error.c
@@ -39,8 +39,7 @@
#include "libc_private.h"
#include "thr_private.h"
-#undef errno
-extern int errno;
+extern int __libsys_errno;
__weak_reference(__error_threaded, __error);
int *
@@ -53,5 +52,5 @@
if (curthread != NULL && curthread != _thr_initial)
return (&curthread->error);
}
- return (&errno);
+ return (&__libsys_errno);
}
diff --git a/lib/libthr/thread/thr_rtld.c b/lib/libthr/thread/thr_rtld.c
--- a/lib/libthr/thread/thr_rtld.c
+++ b/lib/libthr/thread/thr_rtld.c
@@ -39,8 +39,7 @@
#include "rtld_lock.h"
#include "thr_private.h"
-#undef errno
-extern int errno;
+extern int __libsys_errno;
static int _thr_rtld_clr_flag(int);
static void *_thr_rtld_lock_create(void);
@@ -96,14 +95,14 @@
if (curthread != _thr_initial) \
errsave = curthread->error; \
else \
- errsave = errno; \
+ errsave = __libsys_errno; \
}
#define RESTORE_ERRNO() { \
if (curthread != _thr_initial) \
curthread->error = errsave; \
else \
- errno = errsave; \
+ __libsys_errno = errsave; \
}
static void

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