538  



posix_spawnattr_getsigmask, posix_spawnattr_setsigmask 
    spawn-sigmask    -
  (ADVANCED REALTIME).



SPN     ftinclude <signal.h>
#include <spawn.h>

int posix_spawnattr_getsigmask (

const posix_spawnattr_t *restrict attr,
sigset_t *restrict sigmask) ;

int posix_spawnattr_setsigmask (

posix_spawnattr_t *restrict attr,
const sigset_t *restrict sigmask};



 posix_spawnattr_getsigmask ()    -
  spawn-sigmask   ,   a t tr.

 posix_spawnattr_setsigmask()    spawn-
sigmask    ,   attr.

 spawn-sigmask   ,   -
         -
 (   spawn-flags   POSIX_SPAWN_SETSIGMASK).
      .

 

    posix_spawnattr_getsigmask () -
       spawn-sigmask  
,   attr,  ,  
sigmask,      ,   .

    posix_spawnattr_setsigmask () -
  ,      ,   .



     , :

[EINVAL]           ,   attr, .

 posix_spawnattr_setsigmask ()   , :

[  INVAL ]              .