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29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * Thread local data abstraction.
37 #include "gssapiP_eap.h"
39 /* Clean up thread-local data; called on thread detach */
41 destroyThreadLocalData(struct gss_eap_thread_local_data *tld)
43 if (tld->statusInfo != NULL)
44 gssEapDestroyStatusInfo(tld->statusInfo);
45 if (tld->krbContext != NULL)
46 gssEapDestroyKrbContext(tld->krbContext);
53 * This is the tls index returned by TlsAlloc() on process init.
54 * Each thread, on thread attach in DllMain(), allocates its thread-local
55 * data and uses this index with TlsSetValue() to store it.
56 * It can then subsequently be retrieved with TlsGetValue().
58 static DWORD tlsIndex;
60 /* Access thread-local data */
61 struct gss_eap_thread_local_data *
62 gssEapGetThreadLocalData(void)
64 return TlsGetValue(tlsIndex);
68 DllMain(HINSTANCE hDLL, /* DLL module handle */
69 DWORD reason, /* reason called */
70 LPVOID reserved) /* reserved */
72 struct gss_eap_thread_local_data *tlsData;
75 case DLL_PROCESS_ATTACH:
76 /* Allocate a TLS index. */
77 gssEapInitiatorInit();
78 tlsIndex = TlsAlloc();
79 if (tlsIndex == TLS_OUT_OF_INDEXES)
81 /* No break: Initialize the index for first thread.*/
82 case DLL_THREAD_ATTACH:
83 /* Initialize the TLS index for this thread. */
84 tlsData = GSSEAP_CALLOC(1, sizeof(*tlsData));
86 TlsSetValue(tlsIndex, tlsData);
88 case DLL_THREAD_DETACH:
89 /* Release the allocated memory for this thread. */
90 tlsData = TlsGetValue(tlsIndex);
91 if (tlsData != NULL) {
92 destroyThreadLocalData(tlsData);
93 TlsSetValue(tlsIndex, NULL);
96 case DLL_PROCESS_DETACH:
97 /* Release the allocated memory for this thread. */
98 tlsData = TlsGetValue(tlsIndex);
100 destroyThreadLocalData(tlsData);
101 /* Release the TLS index. */
110 UNREFERENCED_PARAMETER(hDLL);
111 UNREFERENCED_PARAMETER(reserved);
116 /* pthreads implementation */
118 static GSSEAP_THREAD_ONCE tldKeyOnce = GSSEAP_ONCE_INITIALIZER;
119 static GSSEAP_THREAD_KEY tldKey;
122 pthreadDestroyThreadLocalData(void *arg)
124 struct gss_eap_thread_local_data* tld = arg;
127 destroyThreadLocalData(tld);
131 createThreadLocalDataKey(void)
133 GSSEAP_KEY_CREATE(&tldKey, pthreadDestroyThreadLocalData);
136 struct gss_eap_thread_local_data *
137 gssEapGetThreadLocalData()
139 struct gss_eap_thread_local_data *tld;
141 GSSEAP_ONCE(&tldKeyOnce, createThreadLocalDataKey);
143 tld = GSSEAP_GETSPECIFIC(tldKey);
145 tld = GSSEAP_CALLOC(1, sizeof(*tld));
149 GSSEAP_SETSPECIFIC(tldKey, tld);