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688903eb | 1 | /* Copyright (C) 1992-2018 Free Software Foundation, Inc. |
5c76ff27 UD |
2 | This file is part of the GNU C Library. |
3 | ||
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. | |
8 | ||
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. | |
13 | ||
14 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
5c76ff27 UD |
17 | |
18 | /* Copy of sysdeps/generic/sigjmp.c modified for backward compatibility | |
19 | with old non AltiVec/VMX setjmp. */ | |
20 | ||
21 | #include <bits/wordsize.h> | |
22 | #include <shlib-compat.h> | |
4f41c682 | 23 | #if IS_IN (libc) && defined SHARED |
5c76ff27 UD |
24 | # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) |
25 | # include <stddef.h> | |
26 | # include <novmxsetjmp.h> | |
27 | # include <signal.h> | |
28 | ||
29 | /* This function is called by the `sigsetjmp' macro | |
30 | before doing a `__setjmp' on ENV[0].__jmpbuf. | |
31 | Always return zero. */ | |
32 | ||
33 | int | |
34 | __novmx__sigjmp_save (__novmx__sigjmp_buf env, int savemask) | |
35 | { | |
36 | env[0].__mask_was_saved = (savemask && | |
37 | __sigprocmask (SIG_BLOCK, (sigset_t *) NULL, | |
38 | &env[0].__saved_mask) == 0); | |
39 | ||
40 | return 0; | |
41 | } | |
42 | ||
5c76ff27 | 43 | # endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) */ |
4f41c682 | 44 | #endif /* IS_IN (libc) && SHARED */ |