POSIXSPAWNATTRSETSI... BSD Library Functions Manual POSIXSPAWNATTRSETSI...

NAME
     ppoossiixxssppaawwnnaattttrrsseettssiiggmmaasskk ppoossiixxssppaawwnnaattttrrggeettssiiggmmaasskk - set or get the
     spawn-sigmask attribute on a posixspawnattrt

SYNOPSIS
     ##iinncclluuddee <>

     int
     ppoossiixxssppaawwnnaattttrrsseettssiiggmmaasskk(posixspawnattrt *restrict attr,
         const sigsett *restrict sigmask);

     int
     ppoossiixxssppaawwnnaattttrrggeettssiiggmmaasskk(const posixspawnattrt *restrict attr,
         sigsett *restrict sigmask);

DESCRIPTION
     The ppoossiixxssppaawwnnaattttrrsseettssiiggmmaasskk() function sets the sigmask on the
     attributes object referenced by attr.

     The ppoossiixxssppaawwnnaattttrrggeettssiiggmmaasskk() function retrieves the sigmask on the
     attributes object referenced by attr.

     The argument sigmask is the initial signal mask to be set for the new
     process on creation if the POSIXSPAWNSETSIGMASK flag is set in the
     posixspawnattrt.  It's default value must be set via a call to
     posixspawnattrsetflags(3) or the behaviour is undefined.

RETURN VALUES
     On success, these functions return 0; on failure they return an error
     number from .  Additionally, if successful,
     ppoossiixxssppaawwnnaattttrrggeettssiiggmmaasskk() will modify the contents of the sigmask
     parameter with the current attribute value.

EERRRROORRSS
     These functions may fail if:

     [EINVAL]           The value specified by attr is invalid.

     [EINVAL]           The value of attr is invalid.

SEE ALSO
     posixspawn(2), posixspawnp(2), posixspawnattrinit(3),
     posixspawnattrdestroy(3), posixspawnattrsetflags(3)

STANDARDS     Version 3 of the Single UNIX Specification (``SUSv3'') [SPN]

HISTORY
     The ppoossiixxssppaawwnnaattttrrsseettssiiggmmaasskk() and ppoossiixxssppaawwnnaattttrrggeettssiiggmmaasskk() func-
     tion calls appeared in Version 3 of the Single UNIX Specification
     (``SUSv3'') [SPN].

Mac OS X                        August 22, 2007                       Mac OS X