diff options
Diffstat (limited to 'lib/nwlib.c')
-rw-r--r-- | lib/nwlib.c | 130 |
1 files changed, 64 insertions, 66 deletions
diff --git a/lib/nwlib.c b/lib/nwlib.c index f9c8a42..bd3f27e 100644 --- a/lib/nwlib.c +++ b/lib/nwlib.c @@ -5,7 +5,7 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2009, Daniel Stenberg, <daniel@haxx.se>, et al. + * 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 @@ -20,20 +20,21 @@ * ***************************************************************************/ -#ifdef NETWARE /* Novell NetWare */ +#include "curl_setup.h" -#include <stdlib.h> +#ifdef NETWARE /* Novell NetWare */ #ifdef __NOVELL_LIBC__ /* For native LibC-based NLM we need to register as a real lib. */ -#include <errno.h> -#include <string.h> #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 "memdebug.h" typedef struct { @@ -57,9 +58,9 @@ 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 DisposeLibraryData( void * ); +void DisposeThreadData( void * ); +int GetOrSetUpData( int id, libdata_t **data, libthreaddata_t **threaddata ); int _NonAppStart( void *NLMHandle, @@ -92,12 +93,12 @@ int _NonAppStart( void *NLMHandle, #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. -*/ + /* + * 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); @@ -128,9 +129,9 @@ int _NonAppStart( void *NLMHandle, } /* -** 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. -*/ + * 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); @@ -138,16 +139,16 @@ void _NonAppStop( void ) } /* -** 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. -*/ + * 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; @@ -165,22 +166,22 @@ int GetOrSetUpData(int id, libdata_t **appData, 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. -*/ + /* + * 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. -*/ + /* + * 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))) { @@ -202,13 +203,14 @@ int GetOrSetUpData(int id, libdata_t **appData, } 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. -*/ + /* + * 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) { @@ -238,13 +240,13 @@ int GetOrSetUpData(int id, libdata_t **appData, 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. -*/ + /* + * 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) { @@ -280,9 +282,7 @@ int DisposeLibraryData( void *data ) if(data) { void *tenbytes = ((libdata_t *) data)->tenbytes; - if(tenbytes) - free(tenbytes); - + free(tenbytes); free(data); } @@ -294,9 +294,7 @@ void DisposeThreadData( void *data ) if(data) { void *twentybytes = ((libthreaddata_t *) data)->twentybytes; - if(twentybytes) - free(twentybytes); - + free(twentybytes); free(data); } } @@ -307,13 +305,13 @@ void DisposeThreadData( void *data ) int main ( void ) { - /* initialize any globals here... */ + /* initialize any globals here... */ - /* do this if any global initializing was done - SynchronizeStart(); - */ - ExitThread (TSR_THREAD, 0); - return 0; + /* do this if any global initializing was done + SynchronizeStart(); + */ + ExitThread (TSR_THREAD, 0); + return 0; } #endif /* __NOVELL_LIBC__ */ |