trusty (2) ssetmask.2.gz

Provided by: manpages-dev_3.54-1ubuntu1_all bug

NAME
       sgetmask, ssetmask - manipulation of signal mask (obsolete)


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).

       It is not possible to block SIGSTOP or SIGKILL.


SEE ALSO
       sigprocmask(2), signal(7)


COLOPHON
       This  page  is  part  of  release 3.54 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/.