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set_jmp

提供: cppreference.com
< c‎ | program

 
 
プログラム支援ユーティリティ
プログラムの終了
Original:
Program termination
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abort
exit
quick_exit(C++11)
_Exit(C++11)
環境と通信する
Original:
Communicating with the environment
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信号
Original:
Signals
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信号タイプ
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Signal types
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SIGABRT
SIGFPE
SIGILL
SIGINT
SIGSEGV
SIGTERM
非ローカルジャンプします
Original:
Non-local jumps
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setjmp
longjmp
タイプ
Original:
Types
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jmp_buf
 
Defined in header <setjmp.h>
#define setjmp(env) /* implementation-defined */
タイプenvの変数jmp_bufに現在の実行コンテキストを保存します。この変数は、後でlongjmp機能により、現在の実行コンテキストを復元するために使用することができます。 longjmp関数への呼び出しが行われたとき、つまり、実行はjmp_bufに渡さlongjmp変数を構築し、特定の呼び出しサイトで継続する。その場合setjmpカントー戻り値はlongjmpに渡された.
Original:
Saves the current execution context into a variable env of type jmp_buf. This variable can later be used to restore the current execution context by longjmp function. That is, when a call to longjmp function is made, the execution continues at the particular call site that constructed the jmp_buf variable passed to longjmp. In that case setjmp returns tho value passed to longjmp.
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目次

[編集] パラメータ

env -
にプログラムの実行状態を保存するための変数.
Original:
variable to save the execution state of the program to.
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[編集] 値を返します

0マクロは元のコードが呼び出され、実行コンテキストがenvに保存されている場合.
Original:
0 if the macro was called by the original code and the execution context was saved to env.
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非ゼロ値の非ローカルジャンプがちょうど行われていた場合。 longjmpに渡されるものと同じで戻り値.
Original:
Non-zero value if a non-local jump was just performed. The return value in the same as passed to longjmp.
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[編集]

[編集] も参照してください

指定した場所にジャンプします
Original:
jumps to specified location
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(機能) [edit]