Linux Certif

Toute la documentation sur la certification Linux LPI

signal

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signal - ANSI C ¥·¥°¥Ê¥ëÁàºî

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#include <signal.h>

typedef void (*sighandler_t)(int);

sighandler_t signal(int signum, sighandler_t sighandler);

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¥·¥°¥Ê¥ëÈÖ¹æ signum ¤Î¥·¥°¥Ê¥ë¤ò¼õ¤±¤ë¤È¼¡¤Î¤è¤¦¤ËÆ°ºî¤¹¤ë¡£ Âбþ¤¹¤ë¥Ï¥ó¥É¥é¡¼¤¬ SIG_IGN ¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¥·¥°¥Ê¥ë¤Ï̵»ë¤µ¤ì¤ë¡£ ¥Ï¥ó¥É¥é¡¼¤¬ SIG_DFL ¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¥·¥°¥Ê¥ë¤Ë´ØÏ¢¤Å¤±¤é¤ì¤¿ ¥Ç¥Õ¥©¥ë¥È¤ÎÆ°ºî¤ò¹Ô¤¦ (signal(7) ¤ò»²¾È)¡£ ¥Ï¥ó¥É¥é¡¼¤¬´Ø¿ô handler ¤ËÀßÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¤Þ¤ººÇ½é¤Ë¥Ï¥ó¥É¥é¡¼¤¬ SIG_DFL ¤Ë¥ê¥»¥Ã¥È¤µ¤ì (¤¢¤ë¤¤¤Ï¼ÂÁõ¤Ë°Í¸¤¹¤ë¥·¥°¥Ê¥ë¤Î¥Ö¥í¥Ã¥¯¤¬¼Â¹Ô¤µ¤ì)¡¢ ¼¡¤Ë signum ¤ò°ú¤­¿ô¤È¤·¤Æ handler ¤¬¸Æ¤Ð¤ì¤ë¡£

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C89, C99, POSIX.1-2001.

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kill(1), alarm(2), kill(2), pause(2), sigaction(2), sigpending(2), sigprocmask(2), sigqueue(2), sigsuspend(2), bsd_signal(3), killpg(3), raise(3), sigsetops(3), sigvec(3), sysv_signal(3), feature_test_macros(7), signal(7)