4d92c9989e
This commit does two things. It removes checks for C99 required headers (stdlib.h, string.h, signal.h, etc). Additionally it removes definitions for required C99 types (intptr_t, int64_t, int32_t, etc). Signed-off-by: Nathan Hjelm <hjelmn@me.com>
146 строки
4.0 KiB
C
146 строки
4.0 KiB
C
/*
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2005 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2007 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* Copyright (c) 2015 Research Organization for Information Science
|
|
* and Technology (RIST). All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
#ifndef OPAL_CONDITION_SPINLOCK_H
|
|
#define OPAL_CONDITION_SPINLOCK_H
|
|
|
|
#include "opal_config.h"
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
#include <time.h>
|
|
#include <pthread.h>
|
|
|
|
#include "opal/threads/mutex.h"
|
|
#include "opal/runtime/opal_progress.h"
|
|
|
|
#include "opal/runtime/opal_cr.h"
|
|
|
|
BEGIN_C_DECLS
|
|
|
|
/*
|
|
* Combine pthread support w/ polled progress to allow run-time selection
|
|
* of threading vs. non-threading progress.
|
|
*/
|
|
|
|
struct opal_condition_t {
|
|
opal_object_t super;
|
|
volatile int c_waiting;
|
|
volatile int c_signaled;
|
|
};
|
|
typedef struct opal_condition_t opal_condition_t;
|
|
|
|
OPAL_DECLSPEC OBJ_CLASS_DECLARATION(opal_condition_t);
|
|
|
|
|
|
static inline int opal_condition_wait(opal_condition_t *c, opal_mutex_t *m)
|
|
{
|
|
int rc = 0;
|
|
c->c_waiting++;
|
|
|
|
if (opal_using_threads()) {
|
|
if (c->c_signaled) {
|
|
c->c_waiting--;
|
|
opal_mutex_unlock(m);
|
|
opal_progress();
|
|
OPAL_CR_TEST_CHECKPOINT_READY_STALL();
|
|
opal_mutex_lock(m);
|
|
return 0;
|
|
}
|
|
while (c->c_signaled == 0) {
|
|
opal_mutex_unlock(m);
|
|
opal_progress();
|
|
OPAL_CR_TEST_CHECKPOINT_READY_STALL();
|
|
opal_mutex_lock(m);
|
|
}
|
|
} else {
|
|
while (c->c_signaled == 0) {
|
|
opal_progress();
|
|
OPAL_CR_TEST_CHECKPOINT_READY_STALL();
|
|
}
|
|
}
|
|
|
|
c->c_signaled--;
|
|
c->c_waiting--;
|
|
return rc;
|
|
}
|
|
|
|
static inline int opal_condition_timedwait(opal_condition_t *c,
|
|
opal_mutex_t *m,
|
|
const struct timespec *abstime)
|
|
{
|
|
struct timeval tv;
|
|
struct timeval absolute;
|
|
int rc = 0;
|
|
|
|
c->c_waiting++;
|
|
if (opal_using_threads()) {
|
|
absolute.tv_sec = abstime->tv_sec;
|
|
absolute.tv_usec = abstime->tv_nsec * 1000;
|
|
gettimeofday(&tv,NULL);
|
|
if (c->c_signaled == 0) {
|
|
do {
|
|
opal_mutex_unlock(m);
|
|
opal_progress();
|
|
gettimeofday(&tv,NULL);
|
|
opal_mutex_lock(m);
|
|
} while (c->c_signaled == 0 &&
|
|
(tv.tv_sec <= absolute.tv_sec ||
|
|
(tv.tv_sec == absolute.tv_sec && tv.tv_usec < absolute.tv_usec)));
|
|
}
|
|
} else {
|
|
absolute.tv_sec = abstime->tv_sec;
|
|
absolute.tv_usec = abstime->tv_nsec * 1000;
|
|
gettimeofday(&tv,NULL);
|
|
if (c->c_signaled == 0) {
|
|
do {
|
|
opal_progress();
|
|
gettimeofday(&tv,NULL);
|
|
} while (c->c_signaled == 0 &&
|
|
(tv.tv_sec <= absolute.tv_sec ||
|
|
(tv.tv_sec == absolute.tv_sec && tv.tv_usec < absolute.tv_usec)));
|
|
}
|
|
}
|
|
|
|
if (c->c_signaled != 0) c->c_signaled--;
|
|
c->c_waiting--;
|
|
return rc;
|
|
}
|
|
|
|
static inline int opal_condition_signal(opal_condition_t *c)
|
|
{
|
|
if (c->c_waiting) {
|
|
c->c_signaled++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static inline int opal_condition_broadcast(opal_condition_t *c)
|
|
{
|
|
c->c_signaled = c->c_waiting;
|
|
return 0;
|
|
}
|
|
|
|
END_C_DECLS
|
|
|
|
#endif
|
|
|