converted to UNIX format.
This commit is contained in:
Gunter Knauf
Родитель
7b7ac04895
Коммит
ef1aa4e5e9
600
lib/nwlib.c
600
lib/nwlib.c
|
|
@ -1,300 +1,300 @@
|
|||
/***************************************************************************
|
||||
* _ _ ____ _
|
||||
* Project ___| | | | _ \| |
|
||||
* / __| | | | |_) | |
|
||||
* | (__| |_| | _ <| |___
|
||||
* \___|\___/|_| \_\_____|
|
||||
*
|
||||
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
|
||||
*
|
||||
* This software is licensed as described in the file COPYING, which
|
||||
* you should have received as part of this distribution. The terms
|
||||
* are also available at http://curl.haxx.se/docs/copyright.html.
|
||||
*
|
||||
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||||
* copies of the Software, and permit persons to whom the Software is
|
||||
* furnished to do so, under the terms of the COPYING file.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
* $Id$
|
||||
***************************************************************************/
|
||||
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <library.h>
|
||||
#include <netware.h>
|
||||
#include <screen.h>
|
||||
#include <nks/thread.h>
|
||||
#include <nks/synch.h>
|
||||
|
||||
#include "memory.h"
|
||||
#include "memdebug.h"
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int _errno;
|
||||
void *twentybytes;
|
||||
} libthreaddata_t;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int x;
|
||||
int y;
|
||||
int z;
|
||||
void *tenbytes;
|
||||
NXKey_t perthreadkey; /* if -1, no key obtained... */
|
||||
NXMutex_t *lock;
|
||||
} libdata_t;
|
||||
|
||||
int gLibId = -1;
|
||||
void *gLibHandle = (void *) NULL;
|
||||
rtag_t gAllocTag = (rtag_t) NULL;
|
||||
NXMutex_t *gLibLock = (NXMutex_t *) NULL;
|
||||
|
||||
/* internal library function prototypes... */
|
||||
int DisposeLibraryData ( void * );
|
||||
void DisposeThreadData ( void * );
|
||||
int GetOrSetUpData ( int id, libdata_t **data, libthreaddata_t **threaddata );
|
||||
|
||||
|
||||
int _NonAppStart( void *NLMHandle,
|
||||
void *errorScreen,
|
||||
const char *cmdLine,
|
||||
const char *loadDirPath,
|
||||
size_t uninitializedDataLength,
|
||||
void *NLMFileHandle,
|
||||
int (*readRoutineP)( int conn,
|
||||
void *fileHandle, size_t offset,
|
||||
size_t nbytes,
|
||||
size_t *bytesRead,
|
||||
void *buffer ),
|
||||
size_t customDataOffset,
|
||||
size_t customDataSize,
|
||||
int messageCount,
|
||||
const char **messages )
|
||||
{
|
||||
NX_LOCK_INFO_ALLOC(liblock, "Per-Application Data Lock", 0);
|
||||
|
||||
#ifndef __GNUC__
|
||||
#pragma unused(cmdLine)
|
||||
#pragma unused(loadDirPath)
|
||||
#pragma unused(uninitializedDataLength)
|
||||
#pragma unused(NLMFileHandle)
|
||||
#pragma unused(readRoutineP)
|
||||
#pragma unused(customDataOffset)
|
||||
#pragma unused(customDataSize)
|
||||
#pragma unused(messageCount)
|
||||
#pragma unused(messages)
|
||||
#endif
|
||||
|
||||
/*
|
||||
** Here we process our command line, post errors (to the error screen),
|
||||
** perform initializations and anything else we need to do before being able
|
||||
** to accept calls into us. If we succeed, we return non-zero and the NetWare
|
||||
** Loader will leave us up, otherwise we fail to load and get dumped.
|
||||
*/
|
||||
gAllocTag = AllocateResourceTag(NLMHandle,
|
||||
"<library-name> memory allocations",
|
||||
AllocSignature);
|
||||
|
||||
if (!gAllocTag) {
|
||||
OutputToScreen(errorScreen, "Unable to allocate resource tag for "
|
||||
"library memory allocations.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
gLibId = register_library(DisposeLibraryData);
|
||||
|
||||
if (gLibId < -1) {
|
||||
OutputToScreen(errorScreen, "Unable to register library with kernel.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
gLibHandle = NLMHandle;
|
||||
|
||||
gLibLock = NXMutexAlloc(0, 0, &liblock);
|
||||
|
||||
if (!gLibLock) {
|
||||
OutputToScreen(errorScreen, "Unable to allocate library data lock.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
** Here we clean up any resources we allocated. Resource tags is a big part
|
||||
** of what we created, but NetWare doesn't ask us to free those.
|
||||
*/
|
||||
void _NonAppStop( void )
|
||||
{
|
||||
(void) unregister_library(gLibId);
|
||||
NXMutexFree(gLibLock);
|
||||
}
|
||||
|
||||
/*
|
||||
** This function cannot be the first in the file for if the file is linked
|
||||
** first, then the check-unload function's offset will be nlmname.nlm+0
|
||||
** which is how to tell that there isn't one. When the check function is
|
||||
** first in the linked objects, it is ambiguous. For this reason, we will
|
||||
** put it inside this file after the stop function.
|
||||
**
|
||||
** Here we check to see if it's alright to ourselves to be unloaded. If not,
|
||||
** we return a non-zero value. Right now, there isn't any reason not to allow
|
||||
** it.
|
||||
*/
|
||||
int _NonAppCheckUnload( void )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int GetOrSetUpData(int id, libdata_t **appData,
|
||||
libthreaddata_t **threadData )
|
||||
{
|
||||
int err;
|
||||
libdata_t *app_data;
|
||||
libthreaddata_t *thread_data;
|
||||
NXKey_t key;
|
||||
NX_LOCK_INFO_ALLOC(liblock, "Application Data Lock", 0);
|
||||
|
||||
err = 0;
|
||||
thread_data = (libthreaddata_t *) NULL;
|
||||
|
||||
/*
|
||||
** Attempt to get our data for the application calling us. This is where we
|
||||
** store whatever application-specific information we need to carry in support
|
||||
** of calling applications.
|
||||
*/
|
||||
app_data = (libdata_t *) get_app_data(id);
|
||||
|
||||
if (!app_data) {
|
||||
/*
|
||||
** This application hasn't called us before; set up application AND per-thread
|
||||
** data. Of course, just in case a thread from this same application is calling
|
||||
** us simultaneously, we better lock our application data-creation mutex. We
|
||||
** also need to recheck for data after we acquire the lock because WE might be
|
||||
** that other thread that was too late to create the data and the first thread
|
||||
** in will have created it.
|
||||
*/
|
||||
NXLock(gLibLock);
|
||||
|
||||
if (!(app_data = (libdata_t *) get_app_data(id))) {
|
||||
app_data = (libdata_t *) malloc(sizeof(libdata_t));
|
||||
|
||||
if (app_data) {
|
||||
memset(app_data, 0, sizeof(libdata_t));
|
||||
|
||||
app_data->tenbytes = malloc(10);
|
||||
app_data->lock = NXMutexAlloc(0, 0, &liblock);
|
||||
|
||||
if (!app_data->tenbytes || !app_data->lock) {
|
||||
if (app_data->lock)
|
||||
NXMutexFree(app_data->lock);
|
||||
|
||||
free(app_data);
|
||||
app_data = (libdata_t *) NULL;
|
||||
err = ENOMEM;
|
||||
}
|
||||
|
||||
if (app_data) {
|
||||
/*
|
||||
** Here we burn in the application data that we were trying to get by calling
|
||||
** get_app_data(). Next time we call the first function, we'll get this data
|
||||
** we're just now setting. We also go on here to establish the per-thread data
|
||||
** for the calling thread, something we'll have to do on each application
|
||||
** thread the first time it calls us.
|
||||
*/
|
||||
err = set_app_data(gLibId, app_data);
|
||||
|
||||
if (err) {
|
||||
free(app_data);
|
||||
app_data = (libdata_t *) NULL;
|
||||
err = ENOMEM;
|
||||
}
|
||||
else {
|
||||
/* create key for thread-specific data... */
|
||||
err = NXKeyCreate(DisposeThreadData, (void *) NULL, &key);
|
||||
|
||||
if (err) /* (no more keys left?) */
|
||||
key = -1;
|
||||
|
||||
app_data->perthreadkey = key;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
NXUnlock(gLibLock);
|
||||
}
|
||||
|
||||
if (app_data) {
|
||||
key = app_data->perthreadkey;
|
||||
|
||||
if (key != -1 /* couldn't create a key? no thread data */
|
||||
&& !(err = NXKeyGetValue(key, (void **) &thread_data))
|
||||
&& !thread_data) {
|
||||
/*
|
||||
** Allocate the per-thread data for the calling thread. Regardless of whether
|
||||
** there was already application data or not, this may be the first call by a
|
||||
** a new thread. The fact that we allocation 20 bytes on a pointer is not very
|
||||
** important, this just helps to demonstrate that we can have arbitrarily
|
||||
** complex per-thread data.
|
||||
*/
|
||||
thread_data = (libthreaddata_t *) malloc(sizeof(libthreaddata_t));
|
||||
|
||||
if (thread_data) {
|
||||
thread_data->_errno = 0;
|
||||
thread_data->twentybytes = malloc(20);
|
||||
|
||||
if (!thread_data->twentybytes) {
|
||||
free(thread_data);
|
||||
thread_data = (libthreaddata_t *) NULL;
|
||||
err = ENOMEM;
|
||||
}
|
||||
|
||||
if ((err = NXKeySetValue(key, thread_data))) {
|
||||
free(thread_data->twentybytes);
|
||||
free(thread_data);
|
||||
thread_data = (libthreaddata_t *) NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (appData)
|
||||
*appData = app_data;
|
||||
|
||||
if (threadData)
|
||||
*threadData = thread_data;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int DisposeLibraryData( void *data)
|
||||
{
|
||||
if (data) {
|
||||
void *tenbytes = ((libdata_t *) data)->tenbytes;
|
||||
|
||||
if (tenbytes)
|
||||
free(tenbytes);
|
||||
|
||||
free(data);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void DisposeThreadData(void *data)
|
||||
{
|
||||
if (data) {
|
||||
void *twentybytes = ((libthreaddata_t *) data)->twentybytes;
|
||||
|
||||
if (twentybytes)
|
||||
free(twentybytes);
|
||||
|
||||
free(data);
|
||||
}
|
||||
}
|
||||
/***************************************************************************
|
||||
* _ _ ____ _
|
||||
* Project ___| | | | _ \| |
|
||||
* / __| | | | |_) | |
|
||||
* | (__| |_| | _ <| |___
|
||||
* \___|\___/|_| \_\_____|
|
||||
*
|
||||
* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
|
||||
*
|
||||
* This software is licensed as described in the file COPYING, which
|
||||
* you should have received as part of this distribution. The terms
|
||||
* are also available at http://curl.haxx.se/docs/copyright.html.
|
||||
*
|
||||
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
||||
* copies of the Software, and permit persons to whom the Software is
|
||||
* furnished to do so, under the terms of the COPYING file.
|
||||
*
|
||||
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
||||
* KIND, either express or implied.
|
||||
*
|
||||
* $Id$
|
||||
***************************************************************************/
|
||||
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
#include <library.h>
|
||||
#include <netware.h>
|
||||
#include <screen.h>
|
||||
#include <nks/thread.h>
|
||||
#include <nks/synch.h>
|
||||
|
||||
#include "memory.h"
|
||||
#include "memdebug.h"
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int _errno;
|
||||
void *twentybytes;
|
||||
} libthreaddata_t;
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int x;
|
||||
int y;
|
||||
int z;
|
||||
void *tenbytes;
|
||||
NXKey_t perthreadkey; /* if -1, no key obtained... */
|
||||
NXMutex_t *lock;
|
||||
} libdata_t;
|
||||
|
||||
int gLibId = -1;
|
||||
void *gLibHandle = (void *) NULL;
|
||||
rtag_t gAllocTag = (rtag_t) NULL;
|
||||
NXMutex_t *gLibLock = (NXMutex_t *) NULL;
|
||||
|
||||
/* internal library function prototypes... */
|
||||
int DisposeLibraryData ( void * );
|
||||
void DisposeThreadData ( void * );
|
||||
int GetOrSetUpData ( int id, libdata_t **data, libthreaddata_t **threaddata );
|
||||
|
||||
|
||||
int _NonAppStart( void *NLMHandle,
|
||||
void *errorScreen,
|
||||
const char *cmdLine,
|
||||
const char *loadDirPath,
|
||||
size_t uninitializedDataLength,
|
||||
void *NLMFileHandle,
|
||||
int (*readRoutineP)( int conn,
|
||||
void *fileHandle, size_t offset,
|
||||
size_t nbytes,
|
||||
size_t *bytesRead,
|
||||
void *buffer ),
|
||||
size_t customDataOffset,
|
||||
size_t customDataSize,
|
||||
int messageCount,
|
||||
const char **messages )
|
||||
{
|
||||
NX_LOCK_INFO_ALLOC(liblock, "Per-Application Data Lock", 0);
|
||||
|
||||
#ifndef __GNUC__
|
||||
#pragma unused(cmdLine)
|
||||
#pragma unused(loadDirPath)
|
||||
#pragma unused(uninitializedDataLength)
|
||||
#pragma unused(NLMFileHandle)
|
||||
#pragma unused(readRoutineP)
|
||||
#pragma unused(customDataOffset)
|
||||
#pragma unused(customDataSize)
|
||||
#pragma unused(messageCount)
|
||||
#pragma unused(messages)
|
||||
#endif
|
||||
|
||||
/*
|
||||
** Here we process our command line, post errors (to the error screen),
|
||||
** perform initializations and anything else we need to do before being able
|
||||
** to accept calls into us. If we succeed, we return non-zero and the NetWare
|
||||
** Loader will leave us up, otherwise we fail to load and get dumped.
|
||||
*/
|
||||
gAllocTag = AllocateResourceTag(NLMHandle,
|
||||
"<library-name> memory allocations",
|
||||
AllocSignature);
|
||||
|
||||
if (!gAllocTag) {
|
||||
OutputToScreen(errorScreen, "Unable to allocate resource tag for "
|
||||
"library memory allocations.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
gLibId = register_library(DisposeLibraryData);
|
||||
|
||||
if (gLibId < -1) {
|
||||
OutputToScreen(errorScreen, "Unable to register library with kernel.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
gLibHandle = NLMHandle;
|
||||
|
||||
gLibLock = NXMutexAlloc(0, 0, &liblock);
|
||||
|
||||
if (!gLibLock) {
|
||||
OutputToScreen(errorScreen, "Unable to allocate library data lock.\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
** Here we clean up any resources we allocated. Resource tags is a big part
|
||||
** of what we created, but NetWare doesn't ask us to free those.
|
||||
*/
|
||||
void _NonAppStop( void )
|
||||
{
|
||||
(void) unregister_library(gLibId);
|
||||
NXMutexFree(gLibLock);
|
||||
}
|
||||
|
||||
/*
|
||||
** This function cannot be the first in the file for if the file is linked
|
||||
** first, then the check-unload function's offset will be nlmname.nlm+0
|
||||
** which is how to tell that there isn't one. When the check function is
|
||||
** first in the linked objects, it is ambiguous. For this reason, we will
|
||||
** put it inside this file after the stop function.
|
||||
**
|
||||
** Here we check to see if it's alright to ourselves to be unloaded. If not,
|
||||
** we return a non-zero value. Right now, there isn't any reason not to allow
|
||||
** it.
|
||||
*/
|
||||
int _NonAppCheckUnload( void )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
int GetOrSetUpData(int id, libdata_t **appData,
|
||||
libthreaddata_t **threadData )
|
||||
{
|
||||
int err;
|
||||
libdata_t *app_data;
|
||||
libthreaddata_t *thread_data;
|
||||
NXKey_t key;
|
||||
NX_LOCK_INFO_ALLOC(liblock, "Application Data Lock", 0);
|
||||
|
||||
err = 0;
|
||||
thread_data = (libthreaddata_t *) NULL;
|
||||
|
||||
/*
|
||||
** Attempt to get our data for the application calling us. This is where we
|
||||
** store whatever application-specific information we need to carry in support
|
||||
** of calling applications.
|
||||
*/
|
||||
app_data = (libdata_t *) get_app_data(id);
|
||||
|
||||
if (!app_data) {
|
||||
/*
|
||||
** This application hasn't called us before; set up application AND per-thread
|
||||
** data. Of course, just in case a thread from this same application is calling
|
||||
** us simultaneously, we better lock our application data-creation mutex. We
|
||||
** also need to recheck for data after we acquire the lock because WE might be
|
||||
** that other thread that was too late to create the data and the first thread
|
||||
** in will have created it.
|
||||
*/
|
||||
NXLock(gLibLock);
|
||||
|
||||
if (!(app_data = (libdata_t *) get_app_data(id))) {
|
||||
app_data = (libdata_t *) malloc(sizeof(libdata_t));
|
||||
|
||||
if (app_data) {
|
||||
memset(app_data, 0, sizeof(libdata_t));
|
||||
|
||||
app_data->tenbytes = malloc(10);
|
||||
app_data->lock = NXMutexAlloc(0, 0, &liblock);
|
||||
|
||||
if (!app_data->tenbytes || !app_data->lock) {
|
||||
if (app_data->lock)
|
||||
NXMutexFree(app_data->lock);
|
||||
|
||||
free(app_data);
|
||||
app_data = (libdata_t *) NULL;
|
||||
err = ENOMEM;
|
||||
}
|
||||
|
||||
if (app_data) {
|
||||
/*
|
||||
** Here we burn in the application data that we were trying to get by calling
|
||||
** get_app_data(). Next time we call the first function, we'll get this data
|
||||
** we're just now setting. We also go on here to establish the per-thread data
|
||||
** for the calling thread, something we'll have to do on each application
|
||||
** thread the first time it calls us.
|
||||
*/
|
||||
err = set_app_data(gLibId, app_data);
|
||||
|
||||
if (err) {
|
||||
free(app_data);
|
||||
app_data = (libdata_t *) NULL;
|
||||
err = ENOMEM;
|
||||
}
|
||||
else {
|
||||
/* create key for thread-specific data... */
|
||||
err = NXKeyCreate(DisposeThreadData, (void *) NULL, &key);
|
||||
|
||||
if (err) /* (no more keys left?) */
|
||||
key = -1;
|
||||
|
||||
app_data->perthreadkey = key;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
NXUnlock(gLibLock);
|
||||
}
|
||||
|
||||
if (app_data) {
|
||||
key = app_data->perthreadkey;
|
||||
|
||||
if (key != -1 /* couldn't create a key? no thread data */
|
||||
&& !(err = NXKeyGetValue(key, (void **) &thread_data))
|
||||
&& !thread_data) {
|
||||
/*
|
||||
** Allocate the per-thread data for the calling thread. Regardless of whether
|
||||
** there was already application data or not, this may be the first call by a
|
||||
** a new thread. The fact that we allocation 20 bytes on a pointer is not very
|
||||
** important, this just helps to demonstrate that we can have arbitrarily
|
||||
** complex per-thread data.
|
||||
*/
|
||||
thread_data = (libthreaddata_t *) malloc(sizeof(libthreaddata_t));
|
||||
|
||||
if (thread_data) {
|
||||
thread_data->_errno = 0;
|
||||
thread_data->twentybytes = malloc(20);
|
||||
|
||||
if (!thread_data->twentybytes) {
|
||||
free(thread_data);
|
||||
thread_data = (libthreaddata_t *) NULL;
|
||||
err = ENOMEM;
|
||||
}
|
||||
|
||||
if ((err = NXKeySetValue(key, thread_data))) {
|
||||
free(thread_data->twentybytes);
|
||||
free(thread_data);
|
||||
thread_data = (libthreaddata_t *) NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (appData)
|
||||
*appData = app_data;
|
||||
|
||||
if (threadData)
|
||||
*threadData = thread_data;
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
int DisposeLibraryData( void *data)
|
||||
{
|
||||
if (data) {
|
||||
void *tenbytes = ((libdata_t *) data)->tenbytes;
|
||||
|
||||
if (tenbytes)
|
||||
free(tenbytes);
|
||||
|
||||
free(data);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void DisposeThreadData(void *data)
|
||||
{
|
||||
if (data) {
|
||||
void *twentybytes = ((libthreaddata_t *) data)->twentybytes;
|
||||
|
||||
if (twentybytes)
|
||||
free(twentybytes);
|
||||
|
||||
free(data);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче