pthread_attr_setdetachstate.txt

来自「Pthread lib库完整说明文档」· 文本 代码 · 共 72 行

pthread_attr_setdetachstate Subroutine



Purpose

Sets the value of the detachstate attribute of a thread attributes
object.

Library

Threads Library (libpthreads.a)

Syntax

#include <pthread.h>

int pthread_attr_setdetachstate (attr, detachstate)
pthread_attr_t *attr;
int detachstate;

Description

The pthread_attr_setdetachstate subroutine sets the value of the detachstate
attribute of the thread attributes object attr. This attribute specifies
the detached state of a thread created with this attributes object.

Note:	The pthread.h header file must be the first included file of
each source file using the threads library.

Parameters

attr	Specifies the thread attributes object.

detachstate	Specifies the detached state to set. It must have one
of the following values:

PTHREAD_CREATE_DETACHED	Specifies that the thread will be created
in detached state. This is the default value.

PTHREAD_CREATE_UNDETACHED	Specifies that the thread will be created
in undetached state.

Return Values

Upon successful completion, 0 is returned. Otherwise, an error code
is returned.

Error Codes

The pthread_attr_setdetachstate subroutine is unsuccessful if the
following is true:

EINVAL	The attr or detachstate parameters are not valid.

Implementation Specifics

This subroutine is part of the Base Operating System (BOS) Runtime.

Related Information

The pthread_attr_getdetachstate subroutine, pthread_attr_init subroutine,
pthread_create subroutine.

Creating Threads.

Threads Library Quick Reference.