2 This file is part of PulseAudio.
4 Copyright 2006 Pierre Ossman <ossman@cendio.se> for Cendio AB
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
28 #include <pulse/xmalloc.h>
29 #include <pulsecore/once.h>
35 pa_thread_func_t thread_func;
41 pa_free_cb_t free_func;
44 struct pa_tls_monitor {
46 pa_free_cb_t free_func;
50 static pa_tls *thread_tls;
51 static pa_once thread_tls_once = PA_ONCE_INIT;
52 static pa_tls *monitor_tls;
54 static void thread_tls_once_func(void) {
55 thread_tls = pa_tls_new(NULL);
59 static DWORD WINAPI internal_thread_func(LPVOID param) {
63 pa_run_once(&thread_tls_once, thread_tls_once_func);
64 pa_tls_set(thread_tls, t);
66 t->thread_func(t->userdata);
71 pa_thread* pa_thread_new(const char *name, pa_thread_func_t thread_func, void *userdata) {
77 t = pa_xnew(pa_thread, 1);
78 t->thread_func = thread_func;
79 t->userdata = userdata;
81 t->thread = CreateThread(NULL, 0, internal_thread_func, t, 0, &thread_id);
91 int pa_thread_is_running(pa_thread *t) {
96 if (!GetExitCodeThread(t->thread, &code))
99 return code == STILL_ACTIVE;
102 void pa_thread_free(pa_thread *t) {
106 CloseHandle(t->thread);
110 void pa_thread_free_nojoin(pa_thread *t) {
113 CloseHandle(t->thread);
117 int pa_thread_join(pa_thread *t) {
120 if (WaitForSingleObject(t->thread, INFINITE) == WAIT_FAILED)
126 pa_thread* pa_thread_self(void) {
127 pa_run_once(&thread_tls_once, thread_tls_once_func);
128 return pa_tls_get(thread_tls);
131 void* pa_thread_get_data(pa_thread *t) {
137 void pa_thread_set_data(pa_thread *t, void *userdata) {
140 t->userdata = userdata;
143 void pa_thread_set_name(pa_thread *t, const char *name) {
144 /* Not implemented */
147 const char *pa_thread_get_name(pa_thread *t) {
148 /* Not implemented */
152 void pa_thread_yield(void) {
156 static DWORD WINAPI monitor_thread_func(LPVOID param) {
157 struct pa_tls_monitor *m = param;
160 WaitForSingleObject(m->thread, INFINITE);
162 CloseHandle(m->thread);
164 m->free_func(m->data);
171 pa_tls* pa_tls_new(pa_free_cb_t free_cb) {
174 t = pa_xnew(pa_tls, 1);
175 t->index = TlsAlloc();
176 t->free_func = free_cb;
178 if (t->index == TLS_OUT_OF_INDEXES) {
186 void pa_tls_free(pa_tls *t) {
193 void *pa_tls_get(pa_tls *t) {
196 return TlsGetValue(t->index);
199 void *pa_tls_set(pa_tls *t, void *userdata) {
204 r = TlsGetValue(t->index);
206 TlsSetValue(t->index, userdata);
209 struct pa_tls_monitor *m;
212 monitor_tls = pa_tls_new(NULL);
214 pa_tls_set(monitor_tls, NULL);
217 m = pa_tls_get(monitor_tls);
221 m = pa_xnew(struct pa_tls_monitor, 1);
223 DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
224 GetCurrentProcess(), &m->thread, 0, FALSE,
225 DUPLICATE_SAME_ACCESS);
227 m->free_func = t->free_func;
229 pa_tls_set(monitor_tls, m);
231 thread = CreateThread(NULL, 0, monitor_thread_func, m, 0, NULL);