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    Command:

    sgetmask

    
    
    

    SYNOPSIS

           long sgetmask(void);
    
           long ssetmask(long newmask);
    
           Note: There are no glibc wrappers for these system calls; see NOTES.
    
    
    

    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 obsolete system calls; in the
           unlikely event that you want to call them, use syscall(2).
    
           These system calls are unaware of signal numbers greater than 31 (i.e.,
           real-time signals).
    
           These system calls do not exist on x86-64.
    
           It is not possible to block SIGSTOP or SIGKILL.
    
    
    

    SEE ALSO

           sigprocmask(2), signal(7)
    
    
    

    Linux 2014-02-25 SGETMASK(2)

    
    
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