pthread_attr_getdetachstate.3t (2010 09)

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pthread_attr_getdetachstate(3T) pthread_attr_getdetachstate(3T)

(Pthread Library)

pthread_attr_setprocessor_np()

is used to set the processor and binding_type attributes in the

initialized attributes object attr . The new values of the processor and binding_type attributes are passed

to this function in the processor and binding_type parameters, respectively.

pthread_attr_getprocessor_np()

retrieves the values of the processor and binding_type attri-

butes from the thread attributes object attr . These values are returned in the processor and binding_type

parameters, respectively.

If the value of the processor attribute is

PTHREAD_SPUINHERIT_NP

, PTHREAD_SPUFLOAT_NP

PTHREAD_LDOMINHERIT_NP

,or

PTHREAD_LDOMFLOAT_NP

the value of the binding_type attribute

should be ignored (ﬂoat implies there will be no binding for the created thread, inherit implies that the

attribute will be set when the new thread is created based on the creating thread’s attributes).

If the value of the binding_type attribute is

PTHREAD_BIND_NONE_NP

the processor attribute should be

ignored.

RETURN VALUE

Upon successful completion, the following functions return zero:

pthread_attr_setstacksize()

pthread_attr_getstacksize()

, pthread_attr_setstackaddr()

pthread_attr_getstackaddr()

, pthread_attr_setguardsize()

pthread_attr_getstack()

pthread_attr_setstack()

pthread_attr_getguardsize()

, pthread_attr_setdetachstate()

pthread_attr_getdetachstate()

, pthread_attr_setinheritsched()

pthread_attr_getinheritsched()

, pthread_attr_setschedpolicy()

pthread_attr_getschedpolicy()

, pthread_attr_setschedparam()

pthread_attr_getschedparam()

, pthread_attr_setprocessor_np()

pthread_attr_getprocessor_np()

, pthread_attr_setscope()

, and

pthread_attr_getscope().

Otherwise, an error number is returned to indicate the error (the

errno variable is not set).

ERRORS

If any of the following occur, the

pthread_attr_setscope()

, pthread_attr_getscope()

pthread_attr_setinheritsched()

, pthread_attr_getinheritsched()

pthread_attr_setschedpolicy()

, and pthread_attr_getschedpolicy()

functions

return the corresponding error number:

[ENOSYS]

_POSIX_THREAD_PRIORITY_SCHEDULING

is not deﬁned and these functions

are not supported.

If any of the following occur, the

pthread_attr_getstackaddr()

and

pthread_attr_setstackaddr()

functions return the corresponding error number:

[ENOSYS]

_POSIX_THREAD_ATTR_STACKADDR

is not deﬁned and these functions are not

supported.

If any of the following occur, the

pthread_attr_getstacksize()

and

pthread_attr_setstacksize() functions return the corresponding error number:

[ENOSYS]

_POSIX_THREAD_ATTR_STACKSIZE is not deﬁned and these functions are not

supported.

If any of the following occur,

pthread_attr_setstacksize(),

pthread_attr_getstacksize(), pthread_attr_setstackaddr()

pthread_attr_getstackaddr(), pthread_attr_setstack()

pthread_attr_getstack(), pthread_attr_setrsestackszie_np()

pthread_attr_getrsestackszie_np(),

pthread_attr_setguardsize(),

pthread_attr_getguardsize(), pthread_attr_setdetachstate()

pthread_attr_getdetachstate(), pthread_attr_setinheritsched(),

pthread_attr_getinheritsched(), pthread_attr_setschedpolicy(),

pthread_attr_getschedpolicy(), pthread_attr_setschedparam(),

pthread_attr_getschedparam(), pthread_attr_setprocessor_np(),

pthread_attr_getprocessor_np(), pthread_attr_setscope(), and

pthread_attr_getscope() return the corresponding error number:

[EINVAL] The value speciﬁed by attr is invalid.

[EINVAL] The value speciﬁed by stacksize is less than the minimum required stacksize of

PTHREAD_STACK_MIN or exceeds a system-imposed limit.

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