Linux Certif

Toute la documentation sur la certification Linux LPI

setjmp

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setjmp, sigsetjmp - ¥í¡¼¥«¥ë¤Ç¤Ê¤¤¥¸¥ã¥ó¥× (goto) ¤Î¤¿¤á¤Ë¡¢ ¥¹¥¿¥Ã¥¯¥³¥ó¥Æ¥­¥¹¥È (stack context) ¤òÊݸ¤¹¤ë

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#include <setjmp.h>

int setjmp(jmp_buf env);

int sigsetjmp(sigjmp_buf env, int savesigs);

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ľÀÜÊ֤äƤ¯¤ë¤È¤­¤Ï¡¢ setjmp() ¤È sigsetjmp() ¤Ï 0 ¤òÊÖ¤·¡¢ ¥³¥ó¥Æ¥­¥¹¥È¤òÊݸ¤·¤¿ longjmp(3) ¤«¤éÊ֤äƤ¯¤ë¤È¤­¤Ï¡¢¥¼¥í°Ê³°¤òÊÖ¤¹¡£

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setjmp() ¤Ï C89, C99, POSIX.1-2001 ¤Çµ¬Äꤵ¤ì¤Æ¤¤¤ë¡£ sigsetjmp() ¤Ï POSIX.1-2001 ¤Çµ¬Äꤵ¤ì¤Æ¤¤¤ë¡£

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POSIX ¤Ï¡¢ setjmp() ¤¬¥·¥°¥Ê¥ë¥³¥ó¥Æ¥­¥¹¥È(signal context) ¤òÊݸ¤¹¤Ù¤­¤« ¤É¤¦¤«¤ò»ØÄꤷ¤Æ¤¤¤Ê¤¤ (System V ¤Ç¤ÏÊݸ¤·¤Ê¤¤¡£ 4.3BSD ¤Ç¤ÏÊݸ¤¹¤ë¡£ 4.3BSD ¤Ë¤ÏÊݸ¤·¤Ê¤¤´Ø¿ô _setjmp ¤â¤¢¤ë)¡£ ¤â¤·¡¢¥·¥°¥Ê¥ë¥Þ¥¹¥¯¤òÊݸ¤·¤¿¤¤¤Î¤Ê¤é¡¢ sigsetjmp() ¤ò»È¤¦¤³¤È¡£ setjmp() ¤È sigsetjmp() ¤Ï¥×¥í¥°¥é¥à¤òÍý²ò¤·¤Å¤é¤¯¡¢Êݼ餷 ¤Ë¤¯¤¤¤â¤Î¤Ë¤¹¤ë¡£ Ê̤ÎÊýË¡¤¬²Äǽ¤Ê¤é¡¢¤½¤ì¤ò»È¤¦¤Ù¤­¤Ç¤¢¤ë¡£

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longjmp(3), siglongjmp(3)