From 93a45ff1ca6d459618bb0cf93580c4b2809a4b61 Mon Sep 17 00:00:00 2001 From: Andreas Krebbel Date: Tue, 7 Jan 2014 09:36:31 +0100 Subject: S/390: Make jmp_buf extendible. --- sysdeps/s390/v1-sigjmp.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 sysdeps/s390/v1-sigjmp.c (limited to 'sysdeps/s390/v1-sigjmp.c') diff --git a/sysdeps/s390/v1-sigjmp.c b/sysdeps/s390/v1-sigjmp.c new file mode 100644 index 0000000000..b624d16851 --- /dev/null +++ b/sysdeps/s390/v1-sigjmp.c @@ -0,0 +1,44 @@ +/* Copyright (C) 1992-2013 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, see + . + + Copied from setjmp/sigjmp.c for extending jmp_buf. */ + +#include +#include + +#if !defined NOT_IN_libc && defined SHARED +# if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) +# include +# include +# include + +/* This function is called by the `sigsetjmp' macro + before doing a `__setjmp' on ENV[0].__jmpbuf. + Always return zero. */ + +int +__v1__sigjmp_save (__v1__sigjmp_buf env, int savemask) +{ + env[0].__mask_was_saved = (savemask && + __sigprocmask (SIG_BLOCK, (sigset_t *) NULL, + &env[0].__saved_mask) == 0); + + return 0; +} + +# endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_19) */ +#endif /* !NOT_IN_libc && SHARED */ -- cgit v1.2.3