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Diffstat (limited to 'uclibc-crosstools-gcc-4.4.2-1/usr/include/setjmp.h')
| -rw-r--r-- | uclibc-crosstools-gcc-4.4.2-1/usr/include/setjmp.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/uclibc-crosstools-gcc-4.4.2-1/usr/include/setjmp.h b/uclibc-crosstools-gcc-4.4.2-1/usr/include/setjmp.h new file mode 100644 index 0000000..99e3dc8 --- /dev/null +++ b/uclibc-crosstools-gcc-4.4.2-1/usr/include/setjmp.h @@ -0,0 +1,104 @@ +/* Copyright (C) 1991-1999, 2001 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* + * ISO C99 Standard: 7.13 Nonlocal jumps <setjmp.h> + */ + +#ifndef _SETJMP_H +#define _SETJMP_H 1 + +#include <features.h> + +__BEGIN_DECLS + +#include <bits/setjmp.h> /* Get `__jmp_buf'. */ +#include <bits/sigset.h> /* Get `__sigset_t'. */ + +/* Calling environment, plus possibly a saved signal mask. */ +typedef struct __jmp_buf_tag /* C++ doesn't like tagless structs. */ + { + /* NOTE: The machine-dependent definitions of `__sigsetjmp' + assume that a `jmp_buf' begins with a `__jmp_buf' and that + `__mask_was_saved' follows it. Do not move these members + or add others before it. */ + __jmp_buf __jmpbuf; /* Calling environment. */ + int __mask_was_saved; /* Saved the signal mask? */ + __sigset_t __saved_mask; /* Saved signal mask. */ + } jmp_buf[1]; + + +/* Store the calling environment in ENV, also saving the signal mask. + 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; + +/* 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; + +#ifndef __FAVOR_BSD +/* Do not save the signal mask. This is equivalent to the `_setjmp' + BSD function. */ +# define setjmp(env) _setjmp (env) +#else +/* We are in 4.3 BSD-compatibility mode in which `setjmp' + saves the signal mask like `sigsetjmp (ENV, 1)'. We have to + define a macro since ISO C says `setjmp' is one. */ +# define setjmp(env) setjmp (env) +#endif /* Favor BSD. */ + + +/* 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) + __THROW __attribute__ ((__noreturn__)); +#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) + __THROW __attribute__ ((__noreturn__)); +#endif + + +#ifdef __USE_POSIX +/* 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; + +/* Store the calling environment in ENV, also saving the + signal mask if SAVEMASK is nonzero. Return 0. */ +# define sigsetjmp(env, savemask) __sigsetjmp (env, savemask) + +/* Jump to the environment saved in ENV, making the + sigsetjmp call there return VAL, or 1 if VAL is 0. + Restore the signal mask if that sigsetjmp call saved it. + This is just an alias `longjmp'. */ +extern void siglongjmp (sigjmp_buf __env, int __val) + __THROW __attribute__ ((__noreturn__)); +#endif /* Use POSIX. */ + +__END_DECLS + +#endif /* setjmp.h */ |