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authorUlrich Drepper <drepper@redhat.com>2002-08-28 08:01:11 +0000
committerUlrich Drepper <drepper@redhat.com>2002-08-28 08:01:11 +0000
commit7a5affebe810c786bfc9ef17cdc4d0bc20a1302e (patch)
treed461b7135c42ab5555bddfe4a5fa4b46a1c4ca94 /setjmp
parent Roland McGrath <roland@redhat.com> (diff)
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Prepare headers for use in ISO C++ compliant implementations.
Diffstat (limited to 'setjmp')
-rw-r--r--setjmp/setjmp.h26
1 files changed, 18 insertions, 8 deletions
diff --git a/setjmp/setjmp.h b/setjmp/setjmp.h
index 99e3dc8cd0..f0babc047b 100644
--- a/setjmp/setjmp.h
+++ b/setjmp/setjmp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991-1999, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1999, 2001, 2002 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
@@ -30,6 +30,8 @@ __BEGIN_DECLS
#include <bits/setjmp.h> /* Get `__jmp_buf'. */
#include <bits/sigset.h> /* Get `__sigset_t'. */
+__BEGIN_NAMESPACE_STD
+
/* Calling environment, plus possibly a saved signal mask. */
typedef struct __jmp_buf_tag /* C++ doesn't like tagless structs. */
{
@@ -47,16 +49,19 @@ typedef struct __jmp_buf_tag /* C++ doesn't like tagless structs. */
Return 0. */
extern int setjmp (jmp_buf __env) __THROW;
-/* Store the calling environment in ENV, not saving the signal mask.
- Return 0. */
-extern int _setjmp (jmp_buf __env) __THROW;
+__END_NAMESPACE_STD
+__USING_NAMESPACE_STD(__jmp_buf_tag)
/* Store the calling environment in ENV, also saving the
signal mask if SAVEMASK is nonzero. Return 0.
This is the internal name for `sigsetjmp'. */
-extern int __sigsetjmp (jmp_buf __env, int __savemask) __THROW;
+extern int __sigsetjmp (struct __jmp_buf_tag __env[1], int __savemask) __THROW;
#ifndef __FAVOR_BSD
+/* Store the calling environment in ENV, not saving the signal mask.
+ Return 0. */
+extern int _setjmp (struct __jmp_buf_tag __env[1]) __THROW;
+
/* Do not save the signal mask. This is equivalent to the `_setjmp'
BSD function. */
# define setjmp(env) _setjmp (env)
@@ -68,15 +73,20 @@ extern int __sigsetjmp (jmp_buf __env, int __savemask) __THROW;
#endif /* Favor BSD. */
+__BEGIN_NAMESPACE_STD
+
/* Jump to the environment saved in ENV, making the
`setjmp' call there return VAL, or 1 if VAL is 0. */
-extern void longjmp (jmp_buf __env, int __val)
+extern void longjmp (struct __jmp_buf_tag __env[1], int __val)
__THROW __attribute__ ((__noreturn__));
+
+__END_NAMESPACE_STD
+
#if defined __USE_BSD || defined __USE_XOPEN
/* Same. Usually `_longjmp' is used with `_setjmp', which does not save
the signal mask. But it is how ENV was saved that determines whether
`longjmp' restores the mask; `_longjmp' is just an alias. */
-extern void _longjmp (jmp_buf __env, int __val)
+extern void _longjmp (struct __jmp_buf_tag __env[1], int __val)
__THROW __attribute__ ((__noreturn__));
#endif
@@ -85,7 +95,7 @@ extern void _longjmp (jmp_buf __env, int __val)
/* Use the same type for `jmp_buf' and `sigjmp_buf'.
The `__mask_was_saved' flag determines whether
or not `longjmp' will restore the signal mask. */
-typedef jmp_buf sigjmp_buf;
+typedef struct __jmp_buf_tag sigjmp_buf[1];
/* Store the calling environment in ENV, also saving the
signal mask if SAVEMASK is nonzero. Return 0. */