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

    NAME

    sigpending - examine pending signals
     
    

    SYNOPSIS

    #include <signal.h>

    int sigpending(sigset_t *set);

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

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

    DESCRIPTION

    sigpending() returns the set of signals that are pending for delivery to the calling thread (i.e., the signals which have been raised while blocked). The mask of pending signals is returned in set.  

    RETURN VALUE

    sigpending() returns 0 on success and -1 on error.  

    ERRORS

    EFAULT
    set points to memory which is not a valid part of the process address space.
     

    CONFORMING TO

    POSIX.1-2001.  

    NOTES

    See sigsetops(3) for details on manipulating signal sets.

    The set of signals that is pending for a thread is the union of the set of signals that is pending for that thread and the set of threads that is peding for the process as a whole; see signal(7).

    A child created via fork(2) initially has an empty pending signal set; the pending signal set is preserved across an execve(2).  

    BUGS

    In versions of glibc up to and including 2.2.1, there is a bug in the wrapper function for sigpending() which means that information about pending real-time signals is not correctly returned.  

    SEE ALSO

    kill(2), sigaction(2), signal(2), sigprocmask(2), sigsuspend(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
    BUGS
    SEE ALSO
    COLOPHON


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