| 1 | /* Copyright (C) 1992-2022 Free Software Foundation, Inc. |
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| 2 | This file is part of the GNU C Library. |
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| 3 | |
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| 4 | The GNU C Library is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU Lesser General Public |
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| 6 | License as published by the Free Software Foundation; either |
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| 7 | version 2.1 of the License, or (at your option) any later version. |
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| 8 | |
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| 9 | The GNU C Library is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 12 | Lesser General Public License for more details. |
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| 13 | |
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| 14 | You should have received a copy of the GNU Lesser General Public |
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| 15 | License along with the GNU C Library; if not, see |
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| 16 | <https://www.gnu.org/licenses/>. */ |
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| 17 | |
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| 18 | /* Copy of sysdeps/generic/sigjmp.c modified for backward compatibility |
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| 19 | with old non AltiVec/VMX setjmp. */ |
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| 20 | |
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| 21 | #include <bits/wordsize.h> |
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| 22 | #include <shlib-compat.h> |
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| 23 | #if IS_IN (libc) && defined SHARED |
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| 24 | # if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) |
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| 25 | # include <stddef.h> |
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| 26 | # include <novmxsetjmp.h> |
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| 27 | # include <signal.h> |
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| 28 | |
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| 29 | /* This function is called by the `sigsetjmp' macro |
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| 30 | before doing a `__setjmp' on ENV[0].__jmpbuf. |
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| 31 | Always return zero. */ |
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| 32 | |
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| 33 | int |
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| 34 | __novmx__sigjmp_save (__novmx__sigjmp_buf env, int savemask) |
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| 35 | { |
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| 36 | env[0].__mask_was_saved = (savemask |
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| 37 | && __sigprocmask (SIG_BLOCK, (sigset_t *) NULL, |
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| 38 | &env[0].__saved_mask) == 0); |
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| 39 | |
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| 40 | return 0; |
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| 41 | } |
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| 42 | |
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| 43 | # endif /* SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_3_4) */ |
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| 44 | #endif /* IS_IN (libc) && SHARED */ |
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| 45 | |
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