diff options
Diffstat (limited to 'sysdeps/generic')
-rw-r--r-- | sysdeps/generic/longjmp.c | 45 | ||||
-rw-r--r-- | sysdeps/generic/rpc/auth.h | 5 | ||||
-rw-r--r-- | sysdeps/generic/sigjmp.c | 35 |
3 files changed, 85 insertions, 0 deletions
diff --git a/sysdeps/generic/longjmp.c b/sysdeps/generic/longjmp.c new file mode 100644 index 0000000000..f46f1601c3 --- /dev/null +++ b/sysdeps/generic/longjmp.c @@ -0,0 +1,45 @@ +/* Copyright (C) 1991, 1992, 1994, 1995, 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <stddef.h> +#include <setjmp.h> +#include <signal.h> + + +extern void _longjmp_unwind (jmp_buf env, int val); + +/* Set the signal mask to the one specified in ENV, and jump + to the position specified in ENV, causing the setjmp + call there to return VAL, or 1 if VAL is 0. */ +void +longjmp (sigjmp_buf env, int val) +{ + /* Perform any cleanups needed by the frames being unwound. */ + _longjmp_unwind (env, val); + + if (env[0].__mask_was_saved) + /* Restore the saved signal mask. */ + (void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask, + (sigset_t *) NULL); + + /* Call the machine-dependent function to restore machine state. */ + __longjmp (env[0].__jmpbuf, val ?: 1); +} + +weak_alias (longjmp, _longjmp) +weak_alias (longjmp, siglongjmp) diff --git a/sysdeps/generic/rpc/auth.h b/sysdeps/generic/rpc/auth.h index 532c4d295f..b4022853d5 100644 --- a/sysdeps/generic/rpc/auth.h +++ b/sysdeps/generic/rpc/auth.h @@ -177,6 +177,11 @@ extern AUTH *authdes_create __P ((char *__servername, u_int __window, #define AUTH_DES 3 /* des style (encrypted timestamps) */ #define AUTH_KERB 4 /* kerberos style */ +/* + * XDR an opaque authentication struct. + */ +extern bool_t xdr_opaque_auth __P ((XDR *__xdrs, struct opaque_auth *__ap)); + __END_DECLS #endif /* rpc/auth.h */ diff --git a/sysdeps/generic/sigjmp.c b/sysdeps/generic/sigjmp.c new file mode 100644 index 0000000000..05b10cc0ce --- /dev/null +++ b/sysdeps/generic/sigjmp.c @@ -0,0 +1,35 @@ +/* Copyright (C) 1992, 1994, 1997 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <stddef.h> +#include <setjmp.h> +#include <signal.h> + +/* This function is called by the `sigsetjmp' macro + before doing a `__setjmp' on ENV[0].__jmpbuf. + Always return zero. */ + +int +__sigjmp_save (sigjmp_buf env, int savemask) +{ + env[0].__mask_was_saved = (savemask && + __sigprocmask (SIG_BLOCK, (sigset_t *) NULL, + &env[0].__saved_mask) == 0); + + return 0; +} |