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Add WIN32 thread-specific globals

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Michael R Sweet 2007-11-22 18:01:52 +00:00
parent ef09aec9bd
commit 8c43d0a67f
1 changed files with 73 additions and 0 deletions
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73
mxml-private.c
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@ -183,6 +183,79 @@ _mxml_destructor(void *g) /* I - Global data */
}
#elif defined(WIN32) /**** WIN32 threading ****/
# include <windows.h>
static DWORD _mxml_tls_index; /* Index for global storage */
/*
* 'DllMain()' - Main entry for library.
*/
BOOL WINAPI /* O - Success/failure */
DllMain(HINSTANCE hinst, /* I - DLL module handle */
DWORD reason, /* I - Reason */
LPVOID reserved) /* I - Unused */
{
_mxml_global_t *global; /* Global data */
(void)hinst;
(void)reserved;
switch (reason)
{
case DLL_PROCESS_ATTACH : /* Called on library initialization */
if ((_mxml_tls_index = TlsAlloc()) == TLS_OUT_OF_INDEXES)
return (FALSE);
break;
case DLL_THREAD_DETACH : /* Called when a thread terminates */
if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) != NULL)
free(global);
break;
case DLL_PROCESS_DETACH : /* Called when library is unloaded */
if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) != NULL)
free(global);
TlsFree(_mxml_tls_index);
break;
default:
break;
}
return (TRUE);
}
/*
* '_mxml_global()' - Get global data.
*/
_mxml_global_t * /* O - Global data */
_mxml_global(void)
{
_mxml_global_t *global; /* Global data */
if ((global = (_mxml_global_t *)TlsGetValue(_mxml_tls_index)) == NULL)
{
global = (_mxml_global_t *)calloc(1, sizeof(_mxml_global_t));
global->num_entity_cbs = 1;
global->entity_cbs[0] = _mxml_entity_cb;
global->wrap = 72;
TlsSetValue(_mxml_tls_index, (LPVOID)global);
}
return (global);
}
#else /**** No threading ****/
/*
* '_mxml_global()' - Get global data.