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msgop
Langue: ja
Version: 2006-02-02 (openSuse - 09/10/07)
Section: 2 (Appels système)
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msgop, msgrcv, msgsnd - ¥á¥Ã¥»¡¼¥¸Áàºî½ñ¼°
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>
int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg);
ssize_t msgrcv(int msqid, void *msgp, size_t msgsz, long msgtyp,
int msgflg);
ÀâÌÀ
¥·¥¹¥Æ¥à¥³¡¼¥ë msgsnd() ¤È msgrcv() ¤Ï¤½¤ì¤¾¤ì¡¢¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤Ø¤Î¥á¥Ã¥»¡¼¥¸¤ÎÁ÷¿®¤È¡¢ ¥á¥Ã¥»¡¼¥¸¤Î¼õ¿®¤Ë»ÈÍѤµ¤ì¤ë¡£¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ï¡¢ ¥á¥Ã¥»¡¼¥¸¤òÁ÷¿®¤¹¤ë¤¿¤á¤Ë¤Ï¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤ËÂФ¹¤ë½ñ¤¹þ¤ßµö²Ä¤ò¡¢ ¥á¥Ã¥»¡¼¥¸¤ò¼õ¿®¤¹¤ë¤¿¤á¤Ë¤ÏÆɤ߽Ф·µö²Ä¤ò»ý¤Ã¤Æ¤¤¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ï°Ê²¼¤Ë¼¨¤¹¹½Â¤ÂΤòÍÑ°Õ¤·¡¢¤³¤Î¹½Â¤ÂΤؤΠ¥Ý¥¤¥ó¥¿¤ò °ú¤¿ô¤È¤·¤ÆÅϤ¹¡£
struct msgbuf {
long mtype; /* message type, must be > 0 */
char mtext[1]; /* message data */
};
mtext ¥Õ¥£¡¼¥ë¥É¤ÏÇÛÎó (¤Þ¤¿¤Ï¾¤Î¹½Â¤ÂÎ) ¤Ç¡¢¤½¤ÎÂ礤µ¤Ï ÈóÉé¤ÎÀ°¿ô¤Ç¤¢¤ë msgsz ¤Ç»ØÄꤵ¤ì¤ë¡£ Ťµ 0 ¤Î¥á¥Ã¥»¡¼¥¸ (¤Ä¤Þ¤ê mtext ¥Õ¥£¡¼¥ë¥É¤¬¤Ê¤¤¥á¥Ã¥»¡¼¥¸) ¤âǧ¤á¤é¤ì¤Æ¤¤¤ë¡£ mtype ¥Õ¥£¡¼¥ë¥É¤Ï¸·Ì©¤ËÀµ¤ÎÀ°¿ô¤Ç¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¤³¤ÎÃͤϡ¢¥á¥Ã¥»¡¼¥¸¤ò¼õ¿®¤¹¤ë¥×¥í¥»¥¹¤Ç¥á¥Ã¥»¡¼¥¸¤òÁªÂò¤¹¤ë¤¿¤á¤Ë »ÈÍѤµ¤ì¤ë (²¼µ¤Î msgrcv() ¤ÎÀâÌÀ¤ò»²¾È¤Î¤³¤È)¡£
msgsnd() ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï msgp °ú¤¿ô¤Ç»ØÄꤵ¤ì¤¿¥á¥Ã¥»¡¼¥¸¤Î¥³¥Ô¡¼¤ò msqid ¤Ç»ØÄꤵ¤ì¤¿¼±Ê̻Ҥò»ý¤Ä¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤ØÄɲ乤롣
¥¥å¡¼¤Ë½½Ê¬¤Ê¶õ¤ÍÆÎ̤¬¤¢¤ë¾ì¹ç¡¢ msgsnd() ¤Ïľ¤Á¤ËÀ®¸ù¤¹¤ë¡£ (¥¥å¡¼¤ÎÍÆÎ̤ϡ¢¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤Î¥Ç¡¼¥¿¹½Â¤ÂΤΠmsg_bytes ¥Õ¥£¡¼¥ë¥É¤ÇÄêµÁ¤µ¤ì¤ë¡£ ¥¥å¡¼ºîÀ®»þ¤Ë¤³¤Î¥Õ¥£¡¼¥ë¥É¤Ï MSGMNB ¤Ë½é´ü²½¤µ¤ì¤ë¤¬¡¢¤³¤ÎÀ©¸Â¤Ï msgctl(2) ¤ò»È¤Ã¤ÆÊѹ¹¤Ç¤¤ë¡£) ¥¥å¡¼¤Ë½½Ê¬¤Ê¶õ¤ÍÆÎ̤¬¤Ê¤¤¾ì¹ç¡¢ ¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï msgsnd() ¤Ï¶õ¤ÍÆÎ̤¬¤Ç¤¤ë¤Þ¤ÇÄä»ß (block) ¤¹¤ë¡£ msgflg ¤Ë IPC_NOWAIT ¤¬»ØÄꤵ¤ì¤¿¾ì¹ç¤Ï¡¢¥¨¥é¡¼ EAGAIN ¤Ç¼ºÇÔ¤¹¤ë¡£
¥¥å¡¼¤¬ºï½ü¤µ¤ì¤¿¾ì¹ç¤«¡¢¥·¥°¥Ê¥ë¤ò¼õ¤±¤È¤Ã¤¿¾ì¹ç¡¢ Ää»ß¤·¤Æ¤¤¤ë msgsnd() ¤Ï¼ºÇÔ¤¹¤ë (¥¥å¡¼¤¬ºï½ü¤µ¤ì¤¿¾ì¹ç¤Ï EIDRM ¤¬¡¢¥·¥°¥Ê¥ë¤ò¼õ¿®¤·¤¿¾ì¹ç¤Ï EINTR ¤¬ errno ¤ËÀßÄꤵ¤ì¤ë)¡£ (msgsnd ¤È msgrcv ¤Ï¡¢¤¿¤È¤¨¥·¥°¥Ê¥ë¥Ï¥ó¥É¥é¤ÎÀßÄê»þ¤Ë SA_RESTART ¤ò»ØÄꤷ¤Æ¤¤¤¿¤È¤·¤Æ¤â¡¢¥·¥°¥Ê¥ë¥Ï¥ó¥É¥é¤Ë¤è¤Ã¤Æ³ä¤ê¹þ¤Þ¤ì¤¿¸å¤Ç ¼«Æ°Åª¤ËºÆ¥¹¥¿¡¼¥È¤¹¤ë¤³¤È¤Ï·è¤·¤Æ¤Ê¤¤¡£)
Àµ¾ï¤Ë½ªÎ»¤·¤¿¾ì¹ç¡¢¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤Î¥Ç¡¼¥¿¹½Â¤ÂΤϰʲ¼¤Î¤è¤¦¤Ë ¹¹¿·¤µ¤ì¤ë:
- msg_lspid ¤Ë¤Ï¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥×¥í¥»¥¹ ID ¤¬ÀßÄꤵ¤ì¤ë¡£
- msg_qnum ¤Ï 1 Áý²Ã¤¹¤ë¡£
- msg_stime ¤Ë¤Ï¸½ºß»þ¹ï¤¬ÀßÄꤵ¤ì¤ë¡£
msgrcv() ¥·¥¹¥Æ¥à¡¦¥³¡¼¥ë¤Ï msqid ¤Ç»ØÄꤵ¤ì¤¿¥¥å¡¼¤«¤é¥á¥Ã¥»¡¼¥¸¤òºï½ü¤·¡¢ msgp ¤Ç»ØÄꤵ¤ì¤¿¥Ð¥Ã¥Õ¥¡¤Ë¤½¤Î¥á¥Ã¥»¡¼¥¸¤ò³ÊǼ¤¹¤ë¡£
msgsz °ú¤¿ô¤Ë¤Ï msgp °ú¤¿ô¤Ç»ØÄꤵ¤ì¤¿¹½Â¤ÂΤΠmtext ¥á¥ó¥Ð¡¼¤ÎºÇÂç¤Î¥Ð¥¤¥È¿ô¤ò»ØÄꤹ¤ë¡£ ¥á¥Ã¥»¡¼¥¸¤Î¥Æ¥¥¹¥È¤ÎŤµ¤¬ msgsz ¤è¤êÂ礤¤¾ì¹ç¤ÎÆ°ºî¤Ï¡¢ msgflg ¤Ë MSG_NOERROR ¤¬»ØÄꤵ¤ì¤Æ¤¤¤ë¤«¤É¤¦¤«¤Ç·è¤Þ¤ë¡£ MSG_NOERROR ¤¬»ØÄꤵ¤ì¤Æ¤¤¤ì¤Ð¡¢¥á¥Ã¥»¡¼¥¸¤Î¥Æ¥¥¹¥È¤ÏÀÚ¤êµÍ¤á¤é¤ì¤ë (ÀÚ¤ê¼Î¤Æ¤é¤ì¤¿Éôʬ¤Ï¼º¤ï¤ì¤ë)¡£ MSG_NOERROR ¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢¥á¥Ã¥»¡¼¥¸¤Ï¥¥å¡¼¤«¤éºï½ü¤µ¤ì¤º¡¢ ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï -1 ¤òÊÖ¤·¤Æ¼ºÇÔ¤·¡¢ errno ¤Ë E2BIG ¤¬ÀßÄꤵ¤ì¤ë¡£
msgtyp °ú¤¿ô¤Ë¤ÏÍ׵᤹¤ë¥á¥Ã¥»¡¼¥¸¤Î·¿¤ò»ØÄꤹ¤ë¡£ ·¿¤Ï°Ê²¼¤Î¤è¤¦¤Ë»ØÄꤹ¤ë:
- msgtyp ¤¬ 0 ¤Ê¤é¤Ð¡¢¥¥å¡¼¤ÎºÇ½é¤Ë¤¢¤ë¥á¥Ã¥»¡¼¥¸¤¬Æɤ߹þ¤Þ¤ì¤ë¡£
- msgtyp ¤¬ 0 ¤è¤êÂ礤¤¾ì¹ç¡¢ msgflg ¤Ë MSG_EXCEPT ¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤±¤ì¤Ð¡¢ msgtyp ·¿¤Î¥¥å¡¼¤ÎºÇ½é¤Î¥á¥Ã¥»¡¼¥¸¤¬Æɤ߹þ¤Þ¤ì¤ë¡£ MSG_EXCEPT ¤¬»ØÄꤵ¤ì¤¿¾ì¹ç¤Ï¡¢ msgtyp ·¿°Ê³°¤Î¥¥å¡¼¤ÎºÇ½é¤Î¥á¥Ã¥»¡¼¥¸¤¬Æɤ߹þ¤Þ¤ì¤ë¡£
- msgtyp ¤¬ 0 ¤è¤ê¾®¤µ¤±¤ì¤Ð¡¢ msgtyp ¤ÎÀäÂÐÃͰʲ¼¤ÇºÇ¤â¾®¤µ¤¤·¿¤ò»ý¤Ä¥¥å¡¼¤ÎºÇ½é¤Î¥á¥Ã¥»¡¼¥¸¤¬Æɤ߹þ¤Þ¤ì¤ë¡£
msgflg °ú¤¿ô¤Ë¤Ï¡¢°Ê²¼¤Î¥Õ¥é¥°¤òǤ°Õ¤Î¿ô¤À¤± (0¸Ä¤â²Ä)¡¢¤³¤ì¤é¤Î OR ¤Ç»ØÄꤹ¤ë:
- IPC_NOWAIT
- ¥¥å¡¼¤ËÍ׵ᤵ¤ì¤¿·¿¤Î¥á¥Ã¥»¡¼¥¸¤¬¤Ê¤¤¾ì¹ç¤Ë¤Ïľ¤Á¤ËÊ֤롣 ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¼ºÇÔ¤·¡¢ errno ¤Ë¤Ï ENOMSG ¤¬ÀßÄꤵ¤ì¤ë¡£
- MSG_EXCEPT
- 0 ¤è¤êÂç¤¤Ê msgtyp ¤È°ì½ï¤Ë»ÈÍѤ·¤Æ¡¢ msgtyp °Ê³°¤Î¥¥å¡¼¤ÎºÇ½é¤Î¥á¥Ã¥»¡¼¥¸¤òÆɤ߹þ¤à¡£
- MSG_NOERROR
- msgsz ¥Ð¥¤¥È¤è¤ê¤âŤ«¤Ã¤¿¾ì¹ç¤Ï¥á¥Ã¥»¡¼¥¸¤Î¥Æ¥¥¹¥È¤òÀÚ¤êµÍ¤á¤ë¡£
Í׵ᤵ¤ì¤¿·¿¤Î¥á¥Ã¥»¡¼¥¸¤¬Â¸ºß¤»¤º¡¢ msgflg ¤Ë IPC_NOWAIT ¤¬»ØÄꤵ¤ì¤Æ¤¤¤Ê¤«¤Ã¤¿¾ì¹ç¡¢¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ï °Ê²¼¤Î¤¤¤º¤ì¤«¤Î¾õ¶·¤Ë¤Ê¤ë¤Þ¤ÇÄä»ß (block) ¤µ¤ì¤ë:
- Í׵ᤷ¤Æ¤¤¤ë·¿¤Î¥á¥Ã¥»¡¼¥¸¤¬¥¥å¡¼¤ØÆþ¤ì¤é¤ì¤¿¡£
- ¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤¬¥·¥¹¥Æ¥à¤«¤éºï½ü¤µ¤ì¤¿¡£ ¤³¤Î¾ì¹ç¡¢¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ï¼ºÇÔ¤·¡¢ errno ¤Ë EIDRM ¤¬ÀßÄꤵ¤ì¤ë¡£
- ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤¬¥·¥°¥Ê¥ë¤òÊá³Í¤·¤¿¡£ ¤³¤Î¾ì¹ç¡¢¥·¥¹¥Æ¥à¡¦¥³¡¼¥ë¤Ï¼ºÇÔ¤·¡¢ errno ¤Ë EINTR ¤¬ÀßÄꤵ¤ì¤ë¡£
¼Â¹Ô¤ËÀ®¸ù¤·¤¿¾ì¹ç¡¢¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤Î¥Ç¡¼¥¿¹½Â¤ÂΤϰʲ¼¤Î¤è¤¦¤Ë ¹¹¿·¤µ¤ì¤ë:
- msg_lrpid ¤Ë¤Ï¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Î¥×¥í¥»¥¹ ID ¤¬ÀßÄꤵ¤ì¤ë¡£
- msg_qnum ¤Ï 1 ¸º»»¤µ¤ì¤ë¡£
- msg_rtime ¤Ë¤Ï¸½ºß¤Î»þ¹ï¤¬ÀßÄꤵ¤ì¤ë¡£
ÊÖ¤êÃÍ
¼ºÇÔ¤·¤¿¾ì¹ç¤Ï¡¢¤É¤Á¤é¤Î´Ø¿ô¤â -1 ¤òÊÖ¤·¡¢¥¨¥é¡¼¤ò errno ¤Ëɽ¼¨¤¹¤ë¡£À®¸ù¤·¤¿¾ì¹ç¡¢ msgsnd() ¤Ï 0 ¤òÊÖ¤·¡¢ msgrcv() ¤Ï mtext ÇÛÎó¤Ë¼ÂºÝ¤Ë¥³¥Ô¡¼¤·¤¿¥Ð¥¤¥È¿ô¤òÊÖ¤¹¡£¥¨¥é¡¼
msgsnd() ¤¬¼ºÇÔ¤·¤¿¾ì¹ç¡¢ errno ¤Ë°Ê²¼¤ÎÃͤΤ¤¤º¤ì¤«¤¬ÀßÄꤵ¤ì¤ë:- EACCES
- ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ë¤Ï¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤ËÂФ¹¤ë½ñ¤¹þ¤ßµö²Ä¤¬¤Ê¤¯¡¢ CAP_IPC_OWNER ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤â¤Ê¤¤¡£
- EAGAIN
- msg_qbytes ¤¬¥¥å¡¼¤ÎÀ©¸Â¤òĶ¤¨¤Æ¤¤¤¿¤¿¤á¡¢¥á¥Ã¥»¡¼¥¸¤òÁ÷¤ë¤³¤È¤¬¤Ç¤¤º¡¢¤«¤Ä msgflg ¤Ë IPC_NOWAIT ¤¬»ØÄꤵ¤ì¤Æ¤¤¤¿¡£
- EFAULT
- msgp ¤¬»Ø¤·¤Æ¤¤¤ë¥¢¥É¥ì¥¹¤¬¥¢¥¯¥»¥¹²Äǽ¤Ç¤Ê¤¤¡£
- EIDRM
- ¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤¬ºï½ü¤µ¤ì¤¿¡£
- EINTR
- ¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤¬Í׵ᤷ¤¿¾ò·ï¤òËþ¤¿¤¹¤Þ¤ÇÄä»ß¤·¤Æ¤¤¤ë»þ¤Ë¡¢ ¥×¥í¥»¥¹¤¬¥·¥°¥Ê¥ë¤òÊá³Í¤·¤¿¡£
- EINVAL
- msqid ¤¬ÉÔŬÀÚ¤ÊÃͤǤ¢¤ë¤«¡¢ mtype ¤¬Àµ¤ÎÃͤǤʤ¤¤«¡¢ msgsz ¤¬ÉÔŬÀÚ¤ÊÃÍ (0 °Ê²¼¤«¡¢¥·¥¹¥Æ¥à¤Ç·è¤Þ¤ëÃÍ MSGMAX ¤è¤ê¤âÂ礤¤ÃÍ) ¤Ç¤¢¤ë¡£
- ENOMEM
- msgp ¤¬»Ø¤¹¥á¥Ã¥»¡¼¥¸¤Î¥³¥Ô¡¼¤òºîÀ®¤¹¤ë¤Î¤Ë½½Ê¬¤Ê¥á¥â¥ê¤¬¥·¥¹¥Æ¥à¤Ë¸ºß¤·¤Ê¤¤¡£
msgrcv() ¤¬¼ºÇÔ¤·¤¿¾ì¹ç¤Ë¤Ï errno ¤Ë°Ê²¼¤ÎÃͤΤ¤¤º¤ì¤«¤¬ÀßÄꤵ¤ì¤ë:
- E2BIG
- ¥á¥Ã¥»¡¼¥¸¤Î¥Æ¥¥¹¥È¤ÎŤµ¤¬ msgsz ¤è¤ê¤âÂ礤¯¡¢ msgflg ¤Ë MSG_NOERROR ¤¬ÀßÄꤵ¤ì¤Æ¤¤¤Ê¤«¤Ã¤¿¡£
- EACCES
- ¸Æ¤Ó½Ð¤·¸µ¥×¥í¥»¥¹¤Ë¤Ï¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤ËÂФ¹¤ëÆɤ߹þ¤ßµö²Ä¤¬¤Ê¤¯¡¢ CAP_IPC_OWNER ¥±¡¼¥Ñ¥Ó¥ê¥Æ¥£¤â¤Ê¤¤¡£
- EAGAIN
- ¥¥å¡¼¤Ë¤Ï¥á¥Ã¥»¡¼¥¸¤¬¤Ê¤¯¡¢ msgflg ¤Ë IPC_NOWAIT ¤¬»ØÄꤵ¤ì¤¿¡£
- EFAULT
- msgp ¤¬»Ø¤·¤Æ¤¤¤ë¥¢¥É¥ì¥¹¤¬¥¢¥¯¥»¥¹²Äǽ¤Ç¤Ê¤¤¡£
- EIDRM
- ¥á¥Ã¥»¡¼¥¸¤ò¼õ¿®¤¹¤ë¤¿¤á¤Ë¥×¥í¥»¥¹¤¬Ää»ß¤·¤Æ¤¤¤ë´Ö¤Ë¡¢ ¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤¬ºï½ü¤µ¤ì¤¿¡£
- EINTR
- ¥á¥Ã¥»¡¼¥¸¤ò¼õ¤±¤ë¤¿¤á¤Ë¥×¥í¥»¥¹¤¬Ää»ß¤·¤Æ¤¤¤ë´Ö¤Ë¡¢ ¥×¥í¥»¥¹¤¬¥·¥°¥Ê¥ë¤òÊá³Í¤·¤¿¡£
- EINVAL
- msgqid ¤¬ÉÔÀµ¤«¡¢ msgsz ¤¬ 0 ¤è¤ê¾®¤µ¤¤¡£
- ENOMSG
- msgflg ¤Ë IPC_NOWAIT ¤¬ÀßÄꤵ¤ì¤Æ¤ª¤ê¡¢ ¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤ËÍ׵ᤵ¤ì¤¿·¿¤Î¥á¥Ã¥»¡¼¥¸¤¬Â¸ºß¤·¤Ê¤«¤Ã¤¿¡£
½àµò
SVr4, POSIX.1-2001.Ãí°Õ
msgp °ú¤¿ô¤Ï¡¢ libc4, libc5, glibc 2.0, glibc 2.1 ¤Ç¤Ï struct msgbuf * ¤ÈÀë¸À¤µ¤ì¤Æ¤¤¤ë¡£glibc 2.2 °Ê¹ß¤Ç¤Ï¡¢ SUSv2 ¤È SUSv3 ¤ÎÍ×µáÄ̤ꡢvoid * ¤ÈÀë¸À¤µ¤ì¤Æ¤¤¤ë¡£°Ê²¼¤Ï msgsnd ¥·¥¹¥Æ¥à¡¦¥³¡¼¥ë¤Ë±Æ¶Á¤¹¤ë¥·¥¹¥Æ¥àÀ©¸Â¤Ç¤¢¤ë:
- MSGMAX
- ¥á¥Ã¥»¡¼¥¸¤Î¥Æ¥¥¹¥È¤ÎºÇÂ祵¥¤¥º: 8192 ¥Ð¥¤¥È (Linux ¤Ç¤Ï¡¢¤³¤ÎÀ©¸ÂÃÍ¤Ï /proc/sys/kernel/msgmax ·Ðͳ¤ÇÆɤ߽Ф·¤¿¤êÊѹ¹¤·¤¿¤ê¤Ç¤¤ë)¡£
- MSGMNB
- ¥Ð¥¤¥Èñ°Ì¤Ç¤Î¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤Î¥Ç¥Õ¥©¥ë¥È¤ÎºÇÂ祵¥¤¥º : 16384 ¥Ð¥¤¥È¡£ (Linux ¤Ç¤Ï¡¢¤³¤ÎÀ©¸ÂÃÍ¤Ï /proc/sys/kernel/msgmnb ·Ðͳ¤ÇÆɤ߽Ф·¤¿¤êÊѹ¹¤·¤¿¤ê¤Ç¤¤ë)¡£ ¥¹¡¼¥Ñ¡¼¥æ¡¼¥¶¡¼¤Ï msgctl(2) ¥·¥¹¥Æ¥à¥³¡¼¥ë¤Ç¥á¥Ã¥»¡¼¥¸¡¦¥¥å¡¼¤Î¥µ¥¤¥º¤ò MSGMNB ¤è¤ê¤âÂ礤¤ÃͤËÁý¤ä¤¹¤³¤È¤¬¤Ç¤¤ë¡£
¸½ºß¤Î¼ÂÁõ¤Ç¤Ï¡¢¥·¥¹¥Æ¥àÁ´ÂΤΥá¥Ã¥»¡¼¥¸¡¦¥Ø¥Ã¥À¡¼¤ÎºÇÂç¿ô (MSGTQL) ¤È¡¢¥·¥¹¥Æ¥àÁ´ÂΤΥá¥Ã¥»¡¼¥¸¡¦¥×¡¼¥ë¤ÎºÇÂç¥Ð¥¤¥È¿ô (MSGPOOL) ¤Ë´Ø¤·¤Æ¼ÂÁõ°Í¸¤ÎÀ©¸Â¤Ï¤Ê¤¤¡£
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msgctl(2), msgget(2), msgrcv(2), msgsnd(2), capabilities(7), mq_overview(7), svipc(7)Contenus ©2006-2024 Benjamin Poulain
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