下面这个例子列出了所有系统定义的信号及信号意思
源代码是：
| /************关于本文档******************************************** *filename: strsignal.c *purpose: 列出了所有系统定义的信号及信号意思 *wrote by: zhoulifa(zhoulifa@163.com) 周立发(http://zhoulifa.) Linux爱好者 Linux知识传播者 SOHO族 开发者 最擅长C语言 *date time:2008-01-26 21:13 上海大雪天，据说是多年不遇 *Note: 任何人可以任意复制代码并运用这些文档，当然包括你的商业用途 * 但请遵循GPL *Thanks to: * Ubuntu 本程序在Ubuntu 7.10系统上测试完全正常 * Google.com 我通常通过google搜索发现许多有用的资料 *Hope:希望越来越多的人贡献自己的力量，为科学技术发展出力 * 科技站在巨人的肩膀上进步更快！感谢有开源前辈的贡献！ *********************************************************************/ |
#include <string.h>
#include <signal.h>
#include <stdio.h>
int main(int argc, char ** argv) {
int i = 0;
for(i = 0; i < 128; i++)
printf("signal.%02d is: %s\n", i, strsignal(i));
return 0;
}
编译此程序用命令：
gcc -Wall strsignal.c
执行程序：
./a.out
输出如下：
| signal.00 is: Unknown signal 0 signal.01 is: Hangup signal.02 is: Interrupt signal.03 is: Quit signal.04 is: Illegal instruction signal.05 is: Trace/breakpoint trap signal.06 is: Aborted signal.07 is: Bus error signal.08 is: Floating point exception signal.09 is: Killed signal.10 is: User defined signal 1 signal.11 is: Segmentation fault signal.12 is: User defined signal 2 signal.13 is: Broken pipe signal.14 is: Alarm clock signal.15 is: Terminated signal.16 is: Stack fault signal.17 is: Child exited signal.18 is: Continued signal.19 is: Stopped (signal) signal.20 is: Stopped signal.21 is: Stopped (tty input) signal.22 is: Stopped (tty output) signal.23 is: Urgent I/O condition signal.24 is: CPU time limit exceeded signal.25 is: File size limit exceeded signal.26 is: Virtual timer expired signal.27 is: Profiling timer expired signal.28 is: Window changed signal.29 is: I/O possible signal.30 is: Power failure signal.31 is: Bad system call signal.32 is: Unknown signal 32 signal.33 is: Unknown signal 33 signal.34 is: Real-time signal 0 signal.35 is: Real-time signal 1 signal.36 is: Real-time signal 2 signal.37 is: Real-time signal 3 signal.38 is: Real-time signal 4 signal.39 is: Real-time signal 5 signal.40 is: Real-time signal 6 signal.41 is: Real-time signal 7 signal.42 is: Real-time signal 8 signal.43 is: Real-time signal 9 signal.44 is: Real-time signal 10 signal.45 is: Real-time signal 11 signal.46 is: Real-time signal 12 signal.47 is: Real-time signal 13 signal.48 is: Real-time signal 14 signal.49 is: Real-time signal 15 signal.50 is: Real-time signal 16 signal.51 is: Real-time signal 17 signal.52 is: Real-time signal 18 signal.53 is: Real-time signal 19 signal.54 is: Real-time signal 20 signal.55 is: Real-time signal 21 signal.56 is: Real-time signal 22 signal.57 is: Real-time signal 23 signal.58 is: Real-time signal 24 signal.59 is: Real-time signal 25 signal.60 is: Real-time signal 26 signal.61 is: Real-time signal 27 signal.62 is: Real-time signal 28 signal.63 is: Real-time signal 29 signal.64 is: Real-time signal 30 signal.65 is: Unknown signal 65 65-127全是Unknown signal，即信号从1开始到65为止 |
