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pthread_attr_init ()
  • >> pthread_attr_init (3) ( Solaris man: Библиотечные вызовы )
  • pthread_attr_init (3) ( FreeBSD man: Библиотечные вызовы )
  • pthread_attr_init (3) ( Linux man: Библиотечные вызовы )
  • pthread_attr_init (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    pthread_attr_init, pthread_attr_destroy - initialize or destroy threads attribute object
     
    

    SYNOPSIS

    cc -mt [ flag... ] file... -lpthread [ library... ]
    #include <pthread.h>
    
    int pthread_attr_init(pthread_attr_t *attr);
    

    int pthread_attr_destroy(pthread_attr_t *attr);
    

     

    DESCRIPTION

    The function pthread_attr_init() initializes a thread attributes object attr with the default value for all of the individual attributes used by a given implementation.

    The resulting attribute object (possibly modified by setting individual attribute values), when used by pthread_create(), defines the attributes of the thread created. A single attributes object can be used in multiple simultaneous calls to pthread_create().

    The pthread_attr_init() function initializes a thread attributes object ( attr) with the default value for each attribute as follows:

    AttributeDefault ValueMeaning of Default

    contentionscopePTHREAD_SCOPE_PROCESSresource competition within process
    detachstate
    stackaddr
    stacksize
    priority
    policy
    inheritsched
    guardsize

    The pthread_attr_destroy() function destroys a thread attributes object ( attr), which cannot be reused until it is reinitialized. An implementation may cause pthread_attr_destroy() to set attr to an implementation-dependent invalid value. The behavior of using the attribute after it has been destroyed is undefined.  

    RETURN VALUES

    Upon successful completion, pthread_attr_init() and pthread_attr_destroy() return a value of 0. Otherwise, an error number is returned to indicate the error.  

    ERRORS

    The pthread_attr_init() function will fail if:

    ENOMEM

    Insufficient memory exists to initialize the thread attributes object.

    The pthread_attr_destroy() function may fail if:

    EINVAL

    attr is invalid.

     

    ATTRIBUTES

    See attributes(5) for descriptions of the following attributes:

    ATTRIBUTE TYPEATTRIBUTE VALUE

    Interface StabilityCommitted

    MT-Level

    Standard

     

    SEE ALSO

    sysconf(3C), pthread_attr_getdetachstate(3C), pthread_attr_getguardsize(3C), pthread_attr_getinheritsched(3C), pthread_attr_getschedparam(3C), pthread_attr_getschedpolicy(3C), pthread_attr_getscope(3C), pthread_attr_getstackaddr(3C), pthread_attr_getstacksize(3C), pthread_attr_setdetachstate(3C), pthread_attr_setguardsize(3C), pthread_attr_setinheritsched(3C), pthread_attr_setschedparam(3C), pthread_attr_setschedpolicy(3C), pthread_attr_setscope(3C), pthread_attr_setstackaddr(3C), pthread_attr_setstacksize(3C), pthread_create(3C), attributes(5), standards(5)


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUES
    ERRORS
    ATTRIBUTES
    SEE ALSO


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