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From wsanc...@hyperreal.org
Subject cvs commit: apache-1.3/src/os/unix os.c
Date Mon, 03 May 1999 23:06:06 GMT
wsanchez    99/05/03 16:06:06

  Modified:    src/os/unix os.c
  Log:
  Use macro "HAVE_DYLD" instead of "RHAPSODY" for dyld-specific code.
  Add macro "DYLD_CANT_UNLOAD" around workaround for dyld-unloading-is-a-noop.
  
  Revision  Changes    Path
  1.16      +15 -8     apache-1.3/src/os/unix/os.c
  
  Index: os.c
  ===================================================================
  RCS file: /home/cvs/apache-1.3/src/os/unix/os.c,v
  retrieving revision 1.15
  retrieving revision 1.16
  diff -u -r1.15 -r1.16
  --- os.c	1998/09/16 06:49:44	1.15
  +++ os.c	1999/05/03 23:06:05	1.16
  @@ -26,8 +26,15 @@
    *  dynamic shared object (DSO) mechanism
    */
   
  -#ifdef RHAPSODY
  +#ifdef HAVE_DYLD		/* NeXT/Apple dynamic linker */
   #include <mach-o/dyld.h>
  +
  +/*
  + * NSUnlinkModule() is a noop in old versions of dyld.
  + * Let's install an error handler to deal with "multiply defined
  + * symbol" runtime errors.
  + */
  +#ifdef DYLD_CANT_UNLOAD
   #include "httpd.h"
   #include "http_log.h"
   
  @@ -49,7 +56,6 @@
        * every time we reload a module. Workaround here is to just
        * rebind to the new symbol, and forget about the old one.
        * This is crummy, because it's basically a memory leak.
  -     * (See Radar 2262020 against dyld).
        */
   
   #ifdef DEBUG
  @@ -73,11 +79,12 @@
       abort();
   }
   
  -#endif /*RHAPSODY*/
  +#endif /* DYLD_CANT_UNLOAD */
  +#endif /* HAVE_DYLD */
   
   void ap_os_dso_init(void)
   {
  -#if defined(RHAPSODY)
  +#if defined(HAVE_DYLD) && defined(DYLD_CANT_UNLOAD)
       NSLinkEditErrorHandlers handlers;
   
       handlers.undefined = undefined_symbol_handler;
  @@ -95,7 +102,7 @@
       handle = shl_load(path, BIND_IMMEDIATE|BIND_VERBOSE|BIND_NOSTART, 0L);
       return (void *)handle;
   
  -#elif defined(RHAPSODY)
  +#elif defined(HAVE_DYLD)
       NSObjectFileImage image;
       if (NSCreateObjectFileImageFromFile(path, &image) !=
           NSObjectFileImageSuccess)
  @@ -116,7 +123,7 @@
   #if defined(HPUX) || defined(HPUX10)
       shl_unload((shl_t)handle);
   
  -#elif defined(RHAPSODY)
  +#elif defined(HAVE_DYLD)
       NSUnLinkModule(handle,FALSE);
   
   #else
  @@ -138,7 +145,7 @@
           status = shl_findsym((shl_t *)&handle, symname, TYPE_DATA, &symaddr);
       return (status == -1 ? NULL : symaddr);
   
  -#elif defined(RHAPSODY)
  +#elif defined(HAVE_DYLD)
       NSSymbol symbol;
       char *symname2 = (char*)malloc(sizeof(char)*(strlen(symname)+2));
       sprintf(symname2, "_%s", symname);
  @@ -163,7 +170,7 @@
   {
   #if defined(HPUX) || defined(HPUX10)
       return strerror(errno);
  -#elif defined(RHAPSODY)
  +#elif defined(HAVE_DYLD)
       return NULL;
   #else
       return dlerror();
  
  
  

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