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POSIX_SPAWNATTR_SETSI... BSD Library Functions Manual POSIX_SPAWNATTR_SETSI...

NAME
     posix_spawnattr_setsigdefault posix_spawnattr_getsigdefault -- set or get the spawn-sigdefault
     attribute on a posix_spawnattr_t

SYNOPSIS
     #include <spawn.h>

     int
     posix_spawnattr_setsigdefault(posix_spawnattr_t *restrict attr, const sigset_t *restrict sigdefault);

     int
     posix_spawnattr_getsigdefault(const posix_spawnattr_t *restrict attr, sigset_t *restrict sigdefault);

DESCRIPTION
     The posix_spawnattr_setsigdefault() function sets the sigdefault on the attributes object referenced by
     attr.

     The posix_spawnattr_getsigdefault() function retrieves the sigdefault on the attributes object refer-enced referenced
     enced by attr.

     The argument sigdefault is the set of signals to be returned to default behaviour in the new process on
     creation if the POSIX_SPAWN_SETSIGDEF flag is set in the posix_spawnattr_t.  It's default value must be
     set via a call to posix_spawnattr_setflags(3) or the behaviour is undefined.

RETURN VALUES
     On success, these functions return 0; on failure they return an error number from <errno.h>.  Addition-ally, Additionally,
     ally, if successful, posix_spawnattr_getsigdefault() will modify the contents of the sigdefault parame-ter parameter
     ter with the current attribute value.

ERRORS
     These functions may fail if:

     [EINVAL]           The value specified by attr is invalid.

     [EINVAL]           The value of attr is invalid.

SEE ALSO
     posix_spawn(2), posix_spawnp(2), posix_spawnattr_init(3), posix_spawnattr_destroy(3),
     posix_spawnattr_setflags(3)

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

HISTORY
     The posix_spawnattr_setsigdefault() and posix_spawnattr_getsigdefault() function calls appeared in
     Version 3 of the Single UNIX Specification (``SUSv3'') [SPN].

Mac OS X                        August 22, 2007                       Mac OS X