utility/rtos_compatibility_layers/posix/px_pth_attr_setdetachstate.c


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/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 * Copyright (c) 2026-present Eclipse ThreadX contributors
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** POSIX wrapper for THREADX                                             */
/**                                                                       */
/**                                                                       */
/**                                                                       */
/**************************************************************************/
/**************************************************************************/

/* Include necessary system files.  */

#include "tx_api.h"    /* Threadx API */
#include "pthread.h"  /* Posix API */
#include "px_int.h"    /* Posix helper functions */


/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    pthread_attr_setdetachstate                         PORTABLE C      */
/*                                                           6.1.7        */
/*  AUTHOR                                                                */
/*                                                                        */
/*    William E. Lamie, Microsoft Corporation                             */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*     This function sets the detach state attribute from a pthread       */
/*     attributes object specified.The detach state of a thread indicates */
/*     whether the system is allowed to free thread resources when the    */
/*     thread terminates.                                                 */
/*     The detach state specifies one of:                                 */
/*     PTHREAD_CREATE_DETACHED or PTHREAD_CREATE_JOINABLE.                */
/*     The default detach state (DEFAULT_DETACHSTATE) is:                 */
/*     PTHREAD_CREATE_JOINABLE.                                           */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    attr                           Address of the thread attributes     */
/*    detachstate                    detach state to set                  */
/*                                                                        */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*     0                             if successful                        */
/*     Value                         in case of any error                 */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*                                                                        */
/**************************************************************************/

INT pthread_attr_setdetachstate(pthread_attr_t *attr,INT detachstate)
{
    /* First check the attribute object is already destroyed? */
    if (attr->inuse == TX_FALSE)
    {
        posix_errno = EINVAL;
	    posix_set_pthread_errno(EINVAL);
        return(EINVAL);
    }
    else
    {
        attr->detach_state = detachstate ;
        return(OK);
    }
}