diff options
Diffstat (limited to 'lib/nwlib.c')
-rw-r--r-- | lib/nwlib.c | 329 |
1 files changed, 0 insertions, 329 deletions
diff --git a/lib/nwlib.c b/lib/nwlib.c deleted file mode 100644 index f63f16b83..000000000 --- a/lib/nwlib.c +++ /dev/null @@ -1,329 +0,0 @@ -/*************************************************************************** - * _ _ ____ _ - * Project ___| | | | _ \| | - * / __| | | | |_) | | - * | (__| |_| | _ <| |___ - * \___|\___/|_| \_\_____| - * - * Copyright (C) 1998 - 2012, 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. - * - ***************************************************************************/ - -#include "curl_setup.h" - -#ifdef NETWARE /* Novell NetWare */ - -#ifdef __NOVELL_LIBC__ -/* For native LibC-based NLM we need to register as a real lib. */ -#include <library.h> -#include <netware.h> -#include <screen.h> -#include <nks/thread.h> -#include <nks/synch.h> - -#include "curl_memory.h" -/* The last #include file should be: */ -#include "curl_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 = 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 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 = 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); - } -} - -#else /* __NOVELL_LIBC__ */ -/* For native CLib-based NLM seems we can do a bit more simple. */ -#include <nwthread.h> - -int main ( void ) -{ - /* initialize any globals here... */ - - /* do this if any global initializing was done - SynchronizeStart(); - */ - ExitThread (TSR_THREAD, 0); - return 0; -} - -#endif /* __NOVELL_LIBC__ */ - -#else /* NETWARE */ - -#ifdef __POCC__ -# pragma warn(disable:2024) /* Disable warning #2024: Empty input file */ -#endif - -#endif /* NETWARE */ |