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utrace — ktrace ?Υ????????ؤΥ桼???쥳???ɤ?????

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Standard C Library (libc, -lc)

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<sys/types.h> <sys/param.h> <sys/time.h> <sys/uio.h> <sys/ktrace.h> int utrace(const void *addr, size_t len)

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?ץ??????ȥ졼???ˡ??桼???ˤ??äƶ??뤵?줿?????Υ쥳???ɤ??ɲä??ޤ??? ???Υ쥳???ɤ? addr ?ˤ??äƻؤ????Ƥ????????꤫?? len ?Х??Ȥ???Ǽ???Ƥ??ޤ??? ???θƤӽФ??ϡ? ?ƤӽФ????ץ????????ȥ졼???????Ƥ????????ˤΤ߸??̤??????ޤ???

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Upon successful completion, the value 0 is returned; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

???顼

[EINVAL]

???ꤵ?줿?ǡ?????Ĺ?? len ?? KTR_USER_MAXLEN ???????礭???Ǥ???

[ENOMEM]

?׵????¸????뤿???ˤϥ????꤬??­???Ƥ??ޤ???

[ENOSYS]

???߼¹????Υ????ͥ뤬 ktrace(2) ?Υ??ݡ??? (options KTRACE) ?򳰤??ƥ????ѥ??뤵???Ƥ??ޤ???

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kdump(1), ktrace(1), ktrace(2)

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utrace() ?????ƥॳ?????? FreeBSD 2.2 ?ǤϤ??????о줷?ޤ?????