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