Files
threadx/utility/rtos_compatibility_layers/posix/px_system_manager.c
2021-06-02 06:45:05 +00:00

97 lines
5.4 KiB
C

/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** 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 */
/* */
/* posix_system_manager_entry PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This is the System Manager thread for the POSIX> The system */
/* manager thread cleans up terminated threads and releases */
/* the stack memory associated with the thread */
/* */
/* INPUT */
/* */
/* input Not used */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* tx_queue_receive Receive system request */
/* posix_do_pthread_delete Delete a pthread */
/* */
/* CALLED BY */
/* */
/* Start-up code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* xx-xx-xxxx William E. Lamie Initial Version 6.x */
/* */
/**************************************************************************/
VOID posix_system_manager_entry(ULONG input)
{
UINT status;
ULONG request[WORK_REQ_SIZE];
/* Avoid compiler warning. */
if (input) { }
/* Loop forever, waiting for work requests. */
while(1)
{
/* Wait forever for the next work request. */
status = tx_queue_receive(&posix_work_queue, &request, TX_WAIT_FOREVER);
/* Make sure we didn't encounter any trouble. */
if (status != TX_SUCCESS)
{
/* Hmmmm... should not happen. */
/* Anywayjust go back and get the next message. */
continue;
}
/* Go delete the pthread */
posix_do_pthread_delete((POSIX_TCB *)request[0], (VOID *)request[1] );
} /* System Manager forever loop */
}