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[glibc/history.git] / sysdeps / powerpc / novmx-sigjmp.c
blobf5d487f52cfc6965f2ef9fd5fe6e5b3258f1b95e
1 /* Copyright (C) 1992, 1994, 1997, 2003, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 /* Copy of sysdeps/generic/sigjmp.c modified for backward compatibility
20 with old non AltiVec/VMX setjmp. */
22 #include <bits/wordsize.h>
23 #include <shlib-compat.h>
24 #if !defined NOT_IN_libc && defined SHARED
25 # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4)
26 # include <stddef.h>
27 # include <novmxsetjmp.h>
28 # include <signal.h>
30 /* This function is called by the `sigsetjmp' macro
31 before doing a `__setjmp' on ENV[0].__jmpbuf.
32 Always return zero. */
34 int
35 __novmx__sigjmp_save (__novmx__sigjmp_buf env, int savemask)
37 env[0].__mask_was_saved = (savemask &&
38 __sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
39 &env[0].__saved_mask) == 0);
41 return 0;
44 # endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) */
45 #endif /* !NOT_IN_libc && SHARED */