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posix_spawnattr_getflags (3)
  • posix_spawnattr_getflags (3) ( Solaris man: Библиотечные вызовы )
  • >> posix_spawnattr_getflags (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    posix_spawnattr_getflags, posix_spawnattr_setflags - get and set the
    spawn-flags attribute of a spawn attributes object
    (ADVANCED REALTIME)
     
    

    SYNOPSIS

    #include <spawn.h>

    int posix_spawnattr_getflags(const posix_spawnattr_t *restrict attr,
           short *restrict
    flags);
    int posix_spawnattr_setflags(posix_spawnattr_t *
    attr, short flags);
     

    DESCRIPTION

    The posix_spawnattr_getflags() function shall obtain the value of the spawn-flags attribute from the attributes object referenced by attr.

    The posix_spawnattr_setflags() function shall set the spawn-flags attribute in an initialized attributes object referenced by attr.

    The spawn-flags attribute is used to indicate which process attributes are to be changed in the new process image when invoking posix_spawn() or posix_spawnp(). It is the bitwise-inclusive OR of zero or more of the following flags:

    POSIX_SPAWN_RESETIDS
    POSIX_SPAWN_SETPGROUP
    POSIX_SPAWN_SETSIGDEF
    POSIX_SPAWN_SETSIGMASK

    POSIX_SPAWN_SETSCHEDPARAM
    POSIX_SPAWN_SETSCHEDULER

    These flags are defined in <spawn.h>. The default value of this attribute shall be as if no flags were set.  

    RETURN VALUE

    Upon successful completion, posix_spawnattr_getflags() shall return zero and store the value of the spawn-flags attribute of attr into the object referenced by the flags parameter; otherwise, an error number shall be returned to indicate the error.

    Upon successful completion, posix_spawnattr_setflags() shall return zero; otherwise, an error number shall be returned to indicate the error.  

    ERRORS

    These functions may fail if:

    EINVAL
    The value specified by attr is invalid.

    The posix_spawnattr_setflags() function may fail if:

    EINVAL
    The value of the attribute being set is not valid.

    The following sections are informative.  

    EXAMPLES

    None.  

    APPLICATION USAGE

    These functions are part of the Spawn option and need not be provided on all implementations.  

    RATIONALE

    None.  

    FUTURE DIRECTIONS

    None.  

    SEE ALSO

    posix_spawn() , posix_spawnattr_destroy() , posix_spawnattr_init() , posix_spawnattr_getsigdefault() , posix_spawnattr_getpgroup() , posix_spawnattr_getschedparam() , posix_spawnattr_getschedpolicy() , posix_spawnattr_getsigmask() , posix_spawnattr_setsigdefault() , posix_spawnattr_setpgroup() , posix_spawnattr_setschedparam() , posix_spawnattr_setschedpolicy() , posix_spawnattr_setsigmask() , posix_spawnp() , the Base Definitions volume of IEEE Std 1003.1-2001, <spawn.h>  

    COPYRIGHT

    Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http://www.opengroup.org/unix/online.html .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    EXAMPLES
    APPLICATION USAGE
    RATIONALE
    FUTURE DIRECTIONS
    SEE ALSO
    COPYRIGHT


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