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sigprocmask — ???ߤΥ????ʥ??ޥ??????????

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Standard C Library (libc, -lc)

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<signal.h> int sigprocmask(int how, const sigset_t * restrict set, sigset_t * restrict oset);

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sigprocmask() ?????ƥॳ?????ϡ????ߤΥ????ʥ??ޥ??? (?ۿ????֥??å??????Ƥ??륷???ʥ?) ?? Ĵ?????ѹ????Ԥ??ޤ??? ?????ʥ??ϡ????ߤΥ????ʥ??ޥ??????åȤ˴ޤޤ????????˥֥??å??????ޤ???

set ?? NULL ?ǤϤʤ????硢 sigprocmask() ???????ϡ? how ???????ͤˤ??äƷ??ޤ??ޤ??? ?????ʥ??ޥ????ϡ????ꤷ?? set ?ȸ??ߤΥޥ????ˤ??ä??ѹ??????ޤ??? ?ؿ??ϡ? <signal.h> ?????????????ʲ????ͤ????Ѥ??? how ?ǻ??ꤷ?ޤ???

SIG_BLOCK

???????ޥ????ϡ????ߤΥޥ????Ȼ??ꤷ?? set ???½????ˤʤ??ޤ???

SIG_UNBLOCK

???????ޥ????ϡ????ߤΥޥ????Ȼ??ꤷ?? set ???佸???θ??????ˤʤ??ޤ???

SIG_SETMASK

???ߤΥޥ????ϡ????ꤷ?? set ???֤??????????ޤ???

oset ?? NULL ?Ǥʤ????硢???Υ????ʥ??ޥ??????ͤ????ꤵ???ޤ??? set ?? NULL ?Ǥ??????硢 how ???ͤ?̵???ˤʤꡢ?ޥ?????̤?????Τޤ޻Ĥ??Τǡ? ?????ʥ??ޥ??????????????˸????Ǥ????褦?ˤʤ??ޤ???

?????ƥ??Ǥϡ? SIGKILL ?? SIGSTOP ?Υ֥??å??????Ĥ????Ƥ??ޤ?????

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The sigprocmask() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.

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?ʲ???ȯ???????ȡ? sigprocmask() ?????ƥॳ?????ϥ??顼?ˤʤꡢ?????ʥ??ޥ??????ѹ??????ޤ?????

[EINVAL]

how ?????????????ǥꥹ?Ȥ˵󤲤??ʳ????ͤˤʤäƤ??ޤ???

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kill(2), sigaction(2), sigpending(2), sigsuspend(2), fpsetmask(3), sigsetops(3)

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sigprocmask() ?????ƥॳ?????ϡ? IEEE Std 1003.1-1990 (“POSIX.1”) ??Ŭ?礷?Ƥ??ޤ???