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[thirdparty/glibc.git] / sysdeps / generic / sys / ucontext.h

diff --git a/sysdeps/generic/sys/ucontext.h b/sysdeps/generic/sys/ucontext.h
index 6c475b5a4a7b02195d6f5b29258589fabb21c45c..178d8f6089f0007dec45e2876e1888ee65192e7b 100644 (file)
--- a/sysdeps/generic/sys/ucontext.h
+++ b/sysdeps/generic/sys/ucontext.h
@@ -1,5 +1,5 @@
 /* Data structures for user-level context switching.  Generic version.
-   Copyright (C) 1997-2017 Free Software Foundation, Inc.
+   Copyright (C) 1997-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -14,33 +14,41 @@
 
    You should have received a copy of the GNU Lesser General Public
    License along with the GNU C Library; if not, see
-   <http://www.gnu.org/licenses/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
 /* This file's definitions suffice for any platform where all
-   the machine-specific state is described in `struct sigcontext'.  */
+   the machine-specific state is described in `struct sigcontext', but
+   use of struct sigcontext does not conform to POSIX namespace
+   requirements.  */
 
 #ifndef _SYS_UCONTEXT_H
 #define _SYS_UCONTEXT_H        1
 
 #include <features.h>
-#include <signal.h>
 
-/* We need the signal context definitions even if they are not exposed
-   by <signal.h>.  */
+#include <bits/types/sigset_t.h>
 #include <bits/sigcontext.h>
-#include <bits/sigstack.h>
+#include <bits/types/stack_t.h>
 
 
 typedef struct sigcontext mcontext_t;
 
+#ifdef __USE_MISC
+# define __ctx(fld) fld
+#else
+# define __ctx(fld) __ ## fld
+#endif
+
 /* Userlevel context.  */
-typedef struct ucontext
+typedef struct ucontext_t
   {
-    unsigned long int uc_flags;
-    struct ucontext *uc_link;
+    unsigned long int __ctx(uc_flags);
+    struct ucontext_t *uc_link;
     stack_t uc_stack;
     mcontext_t uc_mcontext;
-    __sigset_t uc_sigmask;
+    sigset_t uc_sigmask;
   } ucontext_t;
 
+#undef __ctx
+
 #endif /* sys/ucontext.h */