Initial commit
This commit is contained in:
127
libsst-concurrency/SST_Thread_Solaris.c
Normal file
127
libsst-concurrency/SST_Thread_Solaris.c
Normal file
@@ -0,0 +1,127 @@
|
||||
/*
|
||||
SST_Thread_Solaris.c
|
||||
Author: Patrick Baggett <ptbaggett@762studios.com>
|
||||
Created: 4/11/2012
|
||||
|
||||
Purpose:
|
||||
|
||||
libsst-concurrency thread functions using Solaris native threads
|
||||
|
||||
License:
|
||||
|
||||
This program is free software. It comes without any warranty, to
|
||||
the extent permitted by applicable law. You can redistribute it
|
||||
and/or modify it under the terms of the Do What The Fuck You Want
|
||||
To Public License, Version 2, as published by Sam Hocevar. See
|
||||
http://sam.zoy.org/wtfpl/COPYING for more details.
|
||||
|
||||
*/
|
||||
#include <thread.h> /* Solaris native threads */
|
||||
#include <unistd.h> /* usleep() */
|
||||
#include <errno.h> /* system error codes */
|
||||
#include <time.h> /* nanosleep() */
|
||||
#include <sys/syscall.h>
|
||||
|
||||
#include <pstdint.h>
|
||||
#include <SST/SST_Thread.h>
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
SST_Thread SST_Concurrency_CreateThread(int(*_func)(void*), void *_arg)
|
||||
{
|
||||
thread_t thr;
|
||||
|
||||
#ifdef _DEBUG
|
||||
if(_func == (int(*)(void*))NULL)
|
||||
return NULL;
|
||||
#endif
|
||||
|
||||
/* Create the thread */
|
||||
if(thr_create(NULL, 0, (void*(*)(void*))_func, _arg, THR_BOUND, &thr) != 0)
|
||||
return NULL;
|
||||
|
||||
return (SST_Thread)thr;
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
void SST_Concurrency_DestroyThread(SST_Thread _thr)
|
||||
{
|
||||
/* Detach the thread. This uses the direct system call
|
||||
since there is no thr_detach() function. This has
|
||||
been tested to work on Solaris 10. */
|
||||
syscall(SYS_lwp_detach, (thread_t)_thr);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
void SST_Concurrency_SleepThread(uint32_t _ms)
|
||||
{
|
||||
struct timespec req, rem;
|
||||
long msecs = _ms % 1000; /* milliseconds that are less than 1 sec (0-999) */
|
||||
rem.tv_sec = _ms / 1000; /* msec -> sec by mult 1e-3 */
|
||||
rem.tv_nsec = msecs * (1000 * 1000); /* msec -> nsec by mult 1e6 */
|
||||
|
||||
/* Sleep, continuing if woken up by EINTR (POSIX signal) */
|
||||
do
|
||||
{
|
||||
/* On EINTR, 'rem' contains the remaining time that has not yet
|
||||
been slept. */
|
||||
req = rem;
|
||||
if(nanosleep(&req, &rem) == 0) /* 0 == success */
|
||||
break;
|
||||
} while(errno == EINTR);
|
||||
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
uint32_t SST_Concurrency_GetThreadId()
|
||||
{
|
||||
return (uint32_t)thr_self();
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
uint64_t SST_Concurrency_GetTicks(void)
|
||||
{
|
||||
struct timespec tv;
|
||||
|
||||
clock_gettime(CLOCK_MONOTONIC, &tv);
|
||||
|
||||
return ((uint64_t)tv.tv_sec * 1000) + ((uint64_t)tv.tv_nsec / 1000000);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
int SST_Concurrency_WaitThread(SST_Thread _thr, int* _retval)
|
||||
{
|
||||
thread_t thr = (thread_t)_thr;
|
||||
thread_t departed = 0;
|
||||
void* thrRetval;
|
||||
int join_retval;
|
||||
|
||||
/* Join, capturing the return value */
|
||||
if(_retval)
|
||||
{
|
||||
uintptr_t masked;
|
||||
join_retval = thr_join(thr, &departed, &thrRetval);
|
||||
|
||||
|
||||
masked = (uintptr_t)thrRetval;
|
||||
*_retval = (int)masked;
|
||||
}
|
||||
else
|
||||
join_retval = thr_join(thr, &departed, NULL);
|
||||
|
||||
|
||||
return (join_retval == 0 && thr == departed);
|
||||
}
|
||||
|
||||
/******************************************************************************/
|
||||
|
||||
void SST_Concurrency_YieldThread(void)
|
||||
{
|
||||
thr_yield();
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user