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Diffstat (limited to 'Userland/Libraries/LibC/setjmp.h')
| -rw-r--r-- | Userland/Libraries/LibC/setjmp.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/Userland/Libraries/LibC/setjmp.h b/Userland/Libraries/LibC/setjmp.h new file mode 100644 index 0000000000..78f3120d14 --- /dev/null +++ b/Userland/Libraries/LibC/setjmp.h @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#pragma once + +#include <bits/stdint.h> +#include <signal.h> +#include <stdbool.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +__BEGIN_DECLS + +struct __jmp_buf { + uint32_t regs[6]; + bool did_save_signal_mask; + sigset_t saved_signal_mask; +}; + +typedef struct __jmp_buf jmp_buf[1]; +typedef struct __jmp_buf sigjmp_buf[1]; + +int setjmp(jmp_buf); +void longjmp(jmp_buf, int val); + +int sigsetjmp(sigjmp_buf, int savesigs); +void siglongjmp(sigjmp_buf, int val); + +__END_DECLS |