V2EX sigabrt

SIGABRT

Definition / 释义

SIGABRT 是类 Unix 系统中的一个“信号”(signal)名称,表示异常终止/中止信号:当程序调用 abort()、检测到严重内部错误,或运行库主动让程序立刻停止时,系统会向进程发送 SIGABRT,通常会导致程序终止并可能生成 core dump(崩溃转储)。

(在不同系统/场景下,具体触发原因可能略有差异,但核心含义是“程序被要求异常中止”。)

Pronunciation / 发音

/s a di e bi r ti/

Examples / 例句

The program exited with SIGABRT.
程序以 SIGABRT 信号退出了。

After the assertion failed, the runtime raised SIGABRT to stop the process and produce a crash report.
断言失败后,运行库触发 SIGABRT 来终止进程并生成崩溃报告。

Etymology / 词源

SIGABRT 来自 SIG(signal,信号)+ ABRT(abort 的缩写,意为“中止/终止”)。它属于操作系统与 C 运行库常见的信号命名体系,用于表达“用信号通知进程发生了需要立即中止的异常情况”。

Related Words / 相关词

Literary Works / 文学与著作例证

  • The Linux Programming Interface(Michael Kerrisk)中在讲解 POSIX 信号与进程终止时会涉及 SIGABRT 等信号
  • *Advanced Programming in the UNIX Environment (APUE)*(W. Richard Stevens 等)在讨论信号机制、abort() 与异常终止时会提到 SIGABRT
  • The C Programming Language(Kernighan & Ritchie)相关的 C 标准库/错误处理语境中常与 abort()(从而引出 SIGABRT 的行为)一起出现
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