hyung-hwan/qse
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

added qse_cnd_t

Browse Source
This commit is contained in:
hyung-hwan
2015-09-24 14:35:50 +00:00
parent 2ca43127fc
commit 1f6fbd4f9f
12 changed files with 774 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
qse/lib/sys/Makefile.am
View File

@ -6,6 +6,7 @@ AM_CPPFLAGS = \
lib_LTLIBRARIES = libqsesys.la
libqsesys_la_SOURCES = \
cnd.c \
mtx.c \
thr.c \
thr.h

4
qse/lib/sys/Makefile.in
View File

@ -127,7 +127,7 @@ am__uninstall_files_from_dir = { \
am__installdirs = "$(DESTDIR)$(libdir)"
LTLIBRARIES = $(lib_LTLIBRARIES)
libqsesys_la_DEPENDENCIES =
am_libqsesys_la_OBJECTS = mtx.lo thr.lo
am_libqsesys_la_OBJECTS = cnd.lo mtx.lo thr.lo
libqsesys_la_OBJECTS = $(am_libqsesys_la_OBJECTS)
AM_V_lt = $(am__v_lt_@AM_V@)
am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
@ -407,6 +407,7 @@ AM_CPPFLAGS = \
lib_LTLIBRARIES = libqsesys.la $(am__append_1)
libqsesys_la_SOURCES = \
cnd.c \
mtx.c \
thr.c \
thr.h
@ -501,6 +502,7 @@ distclean-compile:
-rm -f *.tab.c
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/SocketAddress.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/cnd.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mtx.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/thr.Plo@am__quote@

383
qse/lib/sys/cnd.c Normal file
View File

@ -0,0 +1,383 @@
/*
* $Id$
*
Copyright (c) 2006-2014 Chung, Hyung-Hwan. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following cnditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of cnditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of cnditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <qse/sys/cnd.h>
#include "../cmn/mem.h"
#if (!defined(__unix__) && !defined(__unix)) || defined(HAVE_PTHREAD)
#if defined(_WIN32)
#include <process.h>
#elif defined(__OS2__)
/* implement this */
#elif defined(__DOS__)
/* implement this */
#else
#if defined(AIX) && defined(__GNUC__)
typedef int crid_t;
typedef unsigned int class_id_t;
#endif
#include <pthread.h>
#endif
qse_cnd_t* qse_cnd_open (qse_mmgr_t* mmgr, qse_size_t xtnsize)
{
qse_cnd_t* cnd;
cnd = (qse_cnd_t*) QSE_MMGR_ALLOC (mmgr, QSE_SIZEOF(qse_cnd_t) + xtnsize);
if (cnd)
{
if (qse_cnd_init (cnd, mmgr) <= -1)
{
QSE_MMGR_FREE (mmgr, cnd);
return QSE_NULL;
}
else QSE_MEMSET (QSE_XTN(cnd), 0, xtnsize);
}
return cnd;
}
void qse_cnd_close (qse_cnd_t* cnd)
{
qse_cnd_fini (cnd);
QSE_MMGR_FREE (cnd->mmgr, cnd);
}
int qse_cnd_init (qse_cnd_t* cnd, qse_mmgr_t* mmgr)
{
QSE_MEMSET (cnd, 0, QSE_SIZEOF(*cnd));
cnd->mmgr = mmgr;
#ifdef _WIN32
cnd->gone = 0;
cnd->blocked = 0;
cnd->waiting = 0;
cnd->gate = CreateSemaphore (0, 1, 1, 0);
cnd->queue = CreateSemaphore (0, 0, QSE_TYPE_MAX(long), 0);
cnd->mutex = CreateMutex (0, 0, 0);
if (cnd->gate == QSE_NULL ||
cnd->queue == QSE_NULL ||
cnd->mutex == QSE_NULL)
{
int num = qse_maperrno (GetLastError());
if (cnd->gate) CloseHandle (cnd->gate);
if (cnd->queue) CloseHandle (cnd->queue);
if (cnd->mutex) CloseHandle (cnd->mutex);
return -1;
}
#elif defined(__OS2__)
# error not implemented
#elif defined(__DOS__)
# error not implemented
#else
if (pthread_cond_init ((pthread_cond_t*)&cnd->hnd, QSE_NULL) != 0) return -1;
#endif
return 0;
}
void qse_cnd_fini (qse_cnd_t* cnd)
{
#ifdef _WIN32
CloseHandle (cnd->gate);
CloseHandle (cnd->queue);
CloseHandle (cnd->mutex);
#elif defined(__OS2__)
# error not implemented
#elif defined(__DOS__)
# error not implemented
#else
pthread_cond_destroy ((pthread_cond_t*)&cnd->hnd);
#endif
}
void qse_cnd_signal (qse_cnd_t* cnd)
{
#ifdef _WIN32
unsigned int signals = 0;
WaitForSingleObject ((HANDLE)cnd->mutex, INFINITE);
if (cnd->waiting != 0)
{
if (cnd->blocked == 0)
{
ReleaseMutex ((HANDLE)cnd->mutex);
return;
}
++cnd->waiting;
--cnd->blocked;
signals = 1;
}
else
{
WaitForSingleObject ((HANDLE)cnd->gate, INFINITE);
if (cnd->blocked > cnd->gone)
{
if (cnd->gone != 0)
{
cnd->blocked -= cnd->gone;
cnd->gone = 0;
}
signals = cnd->waiting = 1;
--cnd->blocked;
}
else
{
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
}
}
ReleaseMutex ((HANDLE)cnd->mutex);
if (signals) ReleaseSemaphore ((HANDLE)cnd->queue, signals, QSE_NULL);
#else
pthread_cond_signal ((pthread_cond_t*)&cnd->hnd);
#endif
}
void qse_cnd_broadcast (qse_cnd_t* cnd)
{
#ifdef _WIN32
unsigned int signals = 0;
WaitForSingleObject ((HANDLE)cnd->mutex, INFINITE);
if (cnd->waiting != 0)
{
if (cnd->blocked == 0)
{
ReleaseMutex ((HANDLE)cnd->mutex);
return;
}
cnd->waiting += (signals = cnd->blocked);
cnd->blocked = 0;
}
else
{
WaitForSingleObject ((HANDLE)cnd->gate, INFINITE);
if (cnd->blocked > cnd->gone)
{
if (cnd->gone != 0)
{
cnd->blocked -= cnd->gone;
cnd->gone = 0;
}
signals = cnd->waiting = cnd->blocked;
cnd->blocked = 0;
}
else
{
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
}
}
ReleaseMutex ((HANDLE)cnd->mutex);
if (signals) ReleaseSemaphore ((HANDLE)cnd->queue, signals, QSE_NULL);
#else
pthread_cond_broadcast ((pthread_cond_t*)&cnd->hnd);
#endif
}
void qse_cnd_wait (qse_cnd_t* cnd, qse_mtx_t* mutex, qse_ntime_t* waiting_time)
{
#ifdef _WIN32
unsigned int was_waiting, was_gone;
int signaled;
WaitForSingleObject ((HANDLE)cnd->gate, INFINITE);
++cnd->blocked;
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
qse_mtx_unlock (mutex);
if (waiting_time)
{
signaled = (WaitForSingleObject((HANDLE)cnd->queue, (DWORD)waiting_time) == WAIT_OBJECT_0);
}
else
{
WaitForSingleObject ((HANDLE)cnd->queue, INFINITE);
signaled = 1;
}
was_waiting = 0;
was_gone = 0;
WaitForSingleObject ((HANDLE)cnd->mutex, INFINITE);
was_waiting = cnd->waiting;
was_gone = cnd->gone;
if (was_waiting != 0)
{
if (!signaled)
{
/* timed out */
if (cnd->blocked != 0) --cnd->blocked;
else ++cnd->gone;
}
if (--cnd->waiting == 0)
{
if (cnd->blocked != 0)
{
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
was_waiting = 0;
}
else if (cnd->gone != 0)
{
cnd->gone = 0;
}
}
}
else if (++cnd->gone == QSE_TYPE_MAX(unsigned int) / 2)
{
WaitForSingleObject ((HANDLE)cnd->gate, INFINITE);
cnd->blocked -= cnd->gone;
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
cnd->gone = 0;
}
ReleaseMutex ((HANDLE)cnd->mutex);
if (was_waiting == 1)
{
for (;was_gone; --was_gone)
{
WaitForSingleObject ((HANDLE)cnd->queue, INFINITE);
}
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
}
qse_mtx_lock (mutex);
#else
if (waiting_time)
{
qse_ntime_t t;
struct timespec ts;
qse_gettime (&t);
qse_addtime (&t, waiting_time, &t);
ts.tv_sec = t.sec;
ts.tv_nsec = t.nsec;
pthread_cond_timedwait ((pthread_cond_t*)&cnd->hnd, (pthread_mutex_t*)&mutex->hnd, &ts);
}
else
{
/* no waiting */
pthread_cond_wait ((pthread_cond_t*)&cnd->hnd, (pthread_mutex_t*)&mutex->hnd);
}
#endif
}
#if 0
void qse_cnd_twait (
qse_cnd_t* cnd, qse_mtx_t* mutex, qse_time_t waiting_time)
{
#ifdef _WIN32
qse_bool_t signaled;
unsigned int was_waiting, was_gone;
WaitForSingleObject ((HANDLE)cnd->gate, INFINITE);
++cnd->blocked;
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
qse_mtx_unlock (mutex);
signaled = (WaitForSingleObject((HANDLE)cnd->queue, (DWORD)waiting_time) == WAIT_OBJECT_0);
was_waiting = 0;
was_gone = 0;
WaitForSingleObject ((HANDLE)cnd->mutex, INFINITE);
was_waiting = cnd->waiting;
was_gone = cnd->gone;
if (was_waiting != 0)
{
if (!signaled)
{ /* timed out */
if (cnd->blocked != 0) --(cnd->blocked);
else ++(cnd->gone);
}
if (--(cnd->waiting) == 0)
{
if (cnd->blocked != 0)
{
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
was_waiting = 0;
}
else if (cnd->gone != 0) cnd->gone = 0;
}
}
else if (++(cnd->gone) == QSE_TYPE_MAX(unsigned int) / 2)
{
WaitForSingleObject ((HANDLE)cnd->gate, INFINITE);
cnd->blocked -= cnd->gone;
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
cnd->gone = 0;
}
ReleaseMutex ((HANDLE)cnd->mutex);
if (was_waiting == 1)
{
for (;was_gone; --was_gone)
{
WaitForSingleObject ((HANDLE)cnd->queue, INFINITE);
}
ReleaseSemaphore ((HANDLE)cnd->gate, 1, QSE_NULL);
}
qse_mtx_lock (mutex);
#else
qse_time_t now;
qse_timespec_t timeout;
qse_gettime (&now);
now += waiting_time;
QSE_TIME_TO_TIMESPEC (now, &timeout);
QSE_ASSERT (QSE_SIZEOF(timeout) == QSE_SIZEOF(struct timespec));
pthread_cond_timedwait (&cnd->hnd, &mutex->hnd, &timeout);
#endif
}
#endif
#endif

30
qse/lib/sys/mtx.c
View File

@ -31,6 +31,10 @@
#if defined(_WIN32)
#include <process.h>
#elif defined(__OS2__)
/* implement this */
#elif defined(__DOS__)
/* implement this */
#elif defined(__BEOS__)
#include <be/kernel/OS.h>
#else
@ -41,7 +45,6 @@
#include <pthread.h>
#endif
qse_mtx_t* qse_mtx_open (qse_mmgr_t* mmgr, qse_size_t xtnsize)
{
qse_mtx_t* mtx;
@ -66,7 +69,6 @@ void qse_mtx_close (qse_mtx_t* mtx)
QSE_MMGR_FREE (mtx->mmgr, mtx);
}
int qse_mtx_init (qse_mtx_t* mtx, qse_mmgr_t* mmgr)
{
QSE_MEMSET (mtx, 0, QSE_SIZEOF(*mtx));
@ -100,7 +102,7 @@ int qse_mtx_init (qse_mtx_t* mtx, qse_mmgr_t* mmgr)
qse_ensure (pthread_mutex_init (&mtx->hnd, &attr) == 0);
qse_ensure (pthread_mutexattr_destroy (&attr) == 0);
*/
if (pthread_mutex_init (&mtx->hnd, QSE_NULL) != 0) return -1;
if (pthread_mutex_init ((pthread_mutex_t*)&mtx->hnd, QSE_NULL) != 0) return -1;
#endif
return 0;
@ -122,7 +124,7 @@ void qse_mtx_fini (qse_mtx_t* mtx)
delete_sem(mtx->hnd);
#else
pthread_mutex_destroy(&mtx->hnd);
pthread_mutex_destroy((pthread_mutex_t*)&mtx->hnd);
#endif
}
@ -160,7 +162,7 @@ int qse_mtx_lock (qse_mtx_t* mtx)
#elif defined(__BEOS__)
if (acquire_sem(mtx->hnd) != B_NO_ERROR) return -1;
#else
if (pthread_mutex_lock (&mtx->hnd) != 0) return -1;
if (pthread_mutex_lock ((pthread_mutex_t*)&mtx->hnd) != 0) return -1;
#endif
return 0;
}
@ -168,15 +170,11 @@ int qse_mtx_lock (qse_mtx_t* mtx)
int qse_mtx_unlock (qse_mtx_t* mtx)
{
#if defined(_WIN32)
if (ReleaseMutex (mtx->hnd) == FALSE)
{
qse_seterrno (qse_maperrno(GetLastError()));
return -1;
}
if (ReleaseMutex (mtx->hnd) == FALSE) return -1;
#elif defined(__BEOS__)
if (release_sem(mtx->hnd) != B_NO_ERROR) return -1;
#else
if (pthread_mutex_unlock (&mtx->hnd) != 0) return -1;
if (pthread_mutex_unlock ((pthread_mutex_t*)&mtx->hnd) != 0) return -1;
#endif
return 0;
}
@ -184,19 +182,15 @@ int qse_mtx_unlock (qse_mtx_t* mtx)
int qse_mtx_trylock (qse_mtx_t* mtx)
{
#if defined(_WIN32)
if (WaitForSingleObject(mtx->hnd,0) != WAIT_OBJECT_0)
{
qse_seterrno (qse_maperrno(GetLastError()));
return -1;
}
if (WaitForSingleObject(mtx->hnd, 0) != WAIT_OBJECT_0) return -1;
#elif defined(__BEOS__)
if (acquire_sem_etc(mtx->hnd,1,B_ABSOLUTE_TIMEOUT,0) != B_NO_ERROR)
if (acquire_sem_etc(mtx->hnd, 1, B_ABSOLUTE_TIMEOUT, 0) != B_NO_ERROR)
{
/* TODO: check for B_WOULD_BLOCK */
return -1;
}
#else
if (pthread_mutex_trylock(&mtx->hnd) != 0) return -1;
if (pthread_mutex_trylock((pthread_mutex_t*)&mtx->hnd) != 0) return -1;
#endif
return 0;
}