2 * Copyright (c) 2011, JANET(UK)
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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 tlsIndex = TlsAlloc();
78 if (tlsIndex == TLS_OUT_OF_INDEXES)
80 /* No break: Initialize the index for first thread.*/
81 case DLL_THREAD_ATTACH:
82 /* Initialize the TLS index for this thread. */
83 tlsData = GSSEAP_CALLOC(1, sizeof(*tlsData));
85 TlsSetValue(tlsIndex, tlsData);
87 case DLL_THREAD_DETACH:
88 /* Release the allocated memory for this thread. */
89 tlsData = TlsGetValue(tlsIndex);
90 if (tlsData != NULL) {
91 destroyThreadLocalData(tlsData);
92 TlsSetValue(tlsIndex, NULL);
95 case DLL_PROCESS_DETACH:
96 /* Release the allocated memory for this thread. */
97 tlsData = TlsGetValue(tlsIndex);
99 destroyThreadLocalData(tlsData);
100 /* Release the TLS index. */
108 UNREFERENCED_PARAMETER(hDLL);
109 UNREFERENCED_PARAMETER(reserved);
114 /* pthreads implementation */
116 static GSSEAP_THREAD_ONCE tldKeyOnce = GSSEAP_ONCE_INITIALIZER;
117 static GSSEAP_THREAD_KEY tldKey;
120 pthreadDestroyThreadLocalData(void *arg)
122 struct gss_eap_thread_local_data* tld = arg;
125 destroyThreadLocalData(tld);
129 createThreadLocalDataKey(void)
131 GSSEAP_KEY_CREATE(&tldKey, pthreadDestroyThreadLocalData);
134 struct gss_eap_thread_local_data *
135 gssEapGetThreadLocalData()
137 struct gss_eap_thread_local_data *tld;
139 GSSEAP_ONCE(&tldKeyOnce, createThreadLocalDataKey);
141 tld = GSSEAP_GETSPECIFIC(tldKey);
143 tld = GSSEAP_CALLOC(1, sizeof(*tld));
147 GSSEAP_SETSPECIFIC(tldKey, tld);