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ssetmask (2)
  • ssetmask (2) ( Русские man: Системные вызовы )
  • >> ssetmask (2) ( Linux man: Системные вызовы )
  •  

    NAME

    sgetmask, ssetmask - manipulation of signal mask (obsolete)
     
    

    SYNOPSIS

    long sgetmask(void);

    long ssetmask(long newmask);  

    DESCRIPTION

    These system calls are obsolete. Do not use them; use sigprocmask(2) instead.

    sgetmask() returns the signal mask of the calling process.

    ssetmask() sets the signal mask of the calling process to the value given in newmask. The previous signal mask is returned.

    The signal masks dealt with by these two system calls are plain bit masks (unlike the sigset_t used by sigprocmask(2)); use sigmask(3) to create and inspect these masks.  

    RETURN VALUE

    sgetmask() always successfully returns the signal mask. ssetmask() always succeeds, and returns the previous signal mask.  

    ERRORS

    These system calls always succeed.  

    CONFORMING TO

    These system calls are Linux-specific.  

    NOTES

    Glibc does not provide wrappers for these system calls; use syscall(2).

    These system calls are unaware of signal numbers greater than 31 (i.e., real-time signals).

    It is not possible to block SIGSTOP or SIGKILL.  

    SEE ALSO

    sigprocmask(2), 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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