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Интерактивная система просмотра системных руководств (man-ов)

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sigwait (3)
  • sigwait (2) ( Solaris man: Системные вызовы )
  • sigwait (2) ( FreeBSD man: Системные вызовы )
  • >> sigwait (3) ( Linux man: Библиотечные вызовы )
  • sigwait (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    sigwait - wait for a signal
     
    

    SYNOPSIS

    #include <signal.h>
    
     int sigwait(const sigset_t *set, int *sig);
    

    Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

    sigwait(): _POSIX_C_SOURCE >= 1 || _XOPEN_SOURCE || _POSIX_SOURCE  

    DESCRIPTION

    The sigwait() function suspends execution of the calling thread until the delivery of one of the signals specified in the signal set set. The function accepts the signal (removes it from the pending list of signals), and returns the signal number in sig.

    The operation of sigwait() is the same as sigwaitinfo(), except that:

    *
    sigwait() only returns the signal number, rather than a siginfo_t structure describing the signal.
    *
    The return values of the two functions are different.
     

    RETURN VALUE

    On success, sigwait() returns 0. On error, it returns a positive error number.  

    ERRORS

    EINVAL
    set contains an invalid signal number.
     

    CONFORMING TO

    POSIX.1-2001.  

    NOTES

    sigwait() is implemented using sigtimedwait(2).  

    SEE ALSO

    sigaction(2), signalfd(2), sigpending(2), sigsuspend(2), sigwaitinfo(2), sigsetops(3), signal(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    CONFORMING TO
    NOTES
    SEE ALSO
    COLOPHON


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