wait4

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Version: 2004-11-11 (openSuse - 09/10/07)

Section: 2 (Appels système)

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wait3, wait4 - BSD ¥¹¥¿¥¤¥ë¤Ç¥×¥í¥»¥¹¤Î¾õÂÖÊѲ½¤òÂÔ¤Ä

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#define _BSD_SOURCE

            /* ¤Þ¤¿¤Ï wait3() ¤ËÂФ· #define _XOPEN_SOURCE 500 */

#include <sys/types.h>

#include <sys/time.h>

#include <sys/resource.h>

#include <sys/wait.h>



pid_t wait3(int *status, int options,

            struct rusage *rusage);



pid_t wait4(pid_t pid, int *status, int options,

            struct rusage *rusage);

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rusage ¤ò»ÈÍѤ¹¤ëÅÀ¤ò½ü¤±¤Ð¡¢°Ê²¼¤Î 2¤Ä¤ÏÅù²Á¤Ç¤¢¤ë¡£




    wait3(status, options, rusage);



    waitpid(-1, status, options);
ƱÍͤˡ¢°Ê²¼¤Î 2¤Ä¤âÅù²Á¤Ç¤¢¤ë¡£ 



    wait4(pid, status, options, rusage);



    waitpid(pid, status, options);
¸À¤¤´¹¤¨¤ë¤È¡¢ wait3() ¤ÏÁ´¤Æ¤Î»Ò¥×¥í¥»¥¹¤òÂоݤËÂԤĤ¬¡¢ wait4() ¤Ç¤ÏÆÃÄê¤Î»Ò¥×¥í¥»¥¹ (Ê£¿ô²Ä) ¤òÁª¤ó¤ÇÂԤĤ³¤È¤¬¤Ç¤­¤ë¡£

rusage ¤¬ NULL ¤Ç¤Ê¤¤¾ì¹ç¡¢ rusage ¤¬»Ø¤¹ rusage ¹½Â¤ÂÎ ¤Ë¤Ï»Ò¥×¥í¥»¥¹¤Î¥¢¥«¥¦¥ó¥È¾ðÊ󤬳ÊǼ¤µ¤ì¤ë¡£ ¾Ü¤·¤¯¤Ï getrusage(2) ¤ò»²¾È¤Î¤³¤È¡£

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waitpid(2) ¤ÈƱÍÍ¡£

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waitpid(2) ¤ÈƱÍÍ¡£

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4.3BSD

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¸½ºß¤Ç¤Ï <sys/time.h> ¤ò¥¤¥ó¥¯¥ë¡¼¥É¤¹¤ëɬÍפϤʤ¤¤¬¡¢¥¤¥ó¥¯¥ë¡¼¥É¤·¤Æ¤ª¤¯¤È °Ü¿¢À­¤ò¹â¤á¤ë¤³¤È¤¬¤Ç¤­¤ë (¼ÂºÝ¤Ë¤Ï <sys/resource.h> ¤Ç rusage ¹½Â¤ÂΤ¬ÄêµÁ¤µ¤ì¤Æ¤¤¤ë¤¬¡¢¤½¤Î¥Õ¥£¡¼¥ë¥É¤Ç»ÈÍѤµ¤ì¤Æ¤¤¤ë struct timeval ·¿¤Ï <sys/time.h> ¤ÇÄêµÁ¤µ¤ì¤Æ¤¤¤ë)¡£

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fork(2), getrusage(2), sigaction(2), signal(2), wait(2), feature_test_macros(7), signal(7)