MaxScale/server/core/thread.c
2013-07-28 05:31:11 +00:00

79 lines
1.7 KiB
C

/*
* This file is distributed as part of the SkySQL Gateway. It is free
* software: you can redistribute it and/or modify it under the terms of the
* GNU General Public License as published by the Free Software Foundation,
* version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 51
* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright SkySQL Ab 2013
*/
#include <thread.h>
#include <pthread.h>
/**
* @file thread.c - Implementation of thread related operations
*
* @verbatim
* Revision History
*
* Date Who Description
* 25/06/13 Mark Riddoch Initial implementation
*
* @endverbatim
*/
/**
* Start a polling thread
*
* @param entry The entry point to call
* @param arg The argument to pass the thread entry point
* @return The thread handle
*/
void *
thread_start(void (*entry)(void *), void *arg)
{
pthread_t thd;
if (pthread_create(&thd, NULL, (void *(*)(void *))entry, arg) != 0)
{
return NULL;
}
return (void *)thd;
}
/**
* Wait for a running threads to complete.
*
* @param thd The thread handle
*/
void
thread_wait(void *thd)
{
void *rval;
pthread_join((pthread_t)thd, &rval);
}
/**
* Put the thread to sleep for a number of milliseconds
*
* @param ms Number of milliseconds to sleep
*/
void
thread_millisleep(int ms)
{
struct timespec req;
req.tv_sec = ms / 1000;
req.tv_nsec = (ms % 1000) * 1000000;
nanosleep(&req, NULL);
}