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getfsstat — ?ޥ????Ȥ??줿???٤ƤΥե????륷???ƥ??Υꥹ?Ȥ?????

?饤?֥???

Standard C Library (libc, -lc)

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<sys/param.h> <sys/ucred.h> <sys/mount.h> int getfsstat(struct statfs *buf, long bufsize, int flags)

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getfsstat() ?????ƥॳ?????ϡ??ޥ????Ȥ??줿???٤ƤΥե????륷???ƥ??˴ؤ????????? ?֤??ޤ??? buf ?????? statfs(2) ?˵??Ҥ??줿 statfs ??¤?ΤؤΥݥ??󥿤Ǥ???

?????Υե????륷???ƥ??ˤĤ???̤?????Ȥʤ??ե??????ɤ? -1 ?????ꤵ???ޤ??? ?Хåե??? fsstat ??¤?Τ????????????????ޤ??? ?ޥ????Ȥ??줿?ƥե????륷???ƥ??ˤĤ??? 1 ?Ĥ??ġ??ǹ? bufsize ?ǻ??ꤵ?줿?Х??ȿ??ޤǤǤ??? bufsize ?????ϡ? buf ???ݻ????뤳?Ȥ??Ǥ????Х??ȿ??Ǥ??ꡢ?ݻ????뤳?Ȥ??Ǥ??? statfs ??¤?Τ? ???ǤϤʤ????Ȥˡ????դ??Ʋ???????

buf ?Ȥ??? NULL ?????ꤵ???Ƥ??????硢 getfsstat() ?ϥޥ????Ȥ????Ƥ????ե????륷???ƥ??ο??Τߤ??֤??ޤ???

?̾ flags ?ˤ? MNT_WAIT ?????ꤹ???٤??Ǥ??? flags ?Ȥ??? MNT_NOWAIT ?????ꤵ???Ƥ??????硢 getfsstat() ?ϳƥե????륷???ƥफ???ι??????׵᤻???????ѤǤ??????????֤??ޤ??? ???Τ??ᡢ?????Τ????ˤϸŤ??ʤäƤ??????Τ??????Ǥ??礦???? getfsstat() ?ϱ????Ǥ??ʤ??ե????륷???ƥफ???ξ????? ?Ե????ƥ֥??å????뤳?ȤϤ????ޤ?????

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?????˴?λ?????? fsstat ??¤?Το????֤????ޤ??? ?????Ǥʤ??????? -1 ???֤??졢???顼?򼨤??????˥??????Х??ѿ? errno ?????ꤵ???ޤ???

???顼

getfsstat() ?????ƥॳ?????ϰʲ??? 1 ?ĤǤ⿿?ξ??硢?????˼??Ԥ??ޤ?:

[EFAULT]

buf ??????̵???ʥ??ɥ쥹???ؤ??Ƥ??ޤ???

[EIO]

?ե????륷???ƥ????ɤ߽񤭤??Ƥ????֤? I/O (??????) ???顼??ȯ?????ޤ?????

??Ϣ????

statfs(2), fstab(5), mount(8)

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getfsstat() ?????ƥॳ?????? 4.4BSD ?ǤϤ??????о줷?ޤ?????