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, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
30 #include <pulse/xmalloc.h>
31 #include <pulsecore/log.h>
32 #include <pulsecore/once.h>
38 pa_thread_func_t thread_func;
44 pa_free_cb_t free_func;
47 struct pa_tls_monitor {
49 pa_free_cb_t free_func;
53 static pa_tls *thread_tls;
54 static pa_once thread_tls_once = PA_ONCE_INIT;
55 static pa_tls *monitor_tls;
57 static void thread_tls_once_func(void) {
58 thread_tls = pa_tls_new(NULL);
62 static DWORD WINAPI internal_thread_func(LPVOID param) {
66 pa_run_once(&thread_tls_once, thread_tls_once_func);
67 pa_tls_set(thread_tls, t);
69 t->thread_func(t->userdata);
74 pa_thread* pa_thread_new(pa_thread_func_t thread_func, void *userdata) {
79 t = pa_xnew(pa_thread, 1);
80 t->thread_func = thread_func;
81 t->userdata = userdata;
83 t->thread = CreateThread(NULL, 0, internal_thread_func, t, 0, NULL);
93 int pa_thread_is_running(pa_thread *t) {
98 if (!GetExitCodeThread(t->thread, &code))
101 return code == STILL_ACTIVE;
104 void pa_thread_free(pa_thread *t) {
108 CloseHandle(t->thread);
112 int pa_thread_join(pa_thread *t) {
115 if (WaitForSingleObject(t->thread, INFINITE) == WAIT_FAILED)
121 pa_thread* pa_thread_self(void) {
122 pa_run_once(&thread_tls_once, thread_tls_once_func);
123 return pa_tls_get(thread_tls);
126 void pa_thread_yield(void) {
130 static DWORD WINAPI monitor_thread_func(LPVOID param) {
131 struct pa_tls_monitor *m = param;
134 WaitForSingleObject(m->thread, INFINITE);
136 CloseHandle(m->thread);
138 m->free_func(m->data);
145 pa_tls* pa_tls_new(pa_free_cb_t free_cb) {
148 t = pa_xnew(pa_tls, 1);
149 t->index = TlsAlloc();
150 t->free_func = free_cb;
152 if (t->index == TLS_OUT_OF_INDEXES) {
160 void pa_tls_free(pa_tls *t) {
167 void *pa_tls_get(pa_tls *t) {
170 return TlsGetValue(t->index);
173 void *pa_tls_set(pa_tls *t, void *userdata) {
178 r = TlsGetValue(t->index);
180 TlsSetValue(t->index, userdata);
183 struct pa_tls_monitor *m;
186 monitor_tls = pa_tls_new(NULL);
188 pa_tls_set(monitor_tls, NULL);
191 m = pa_tls_get(monitor_tls);
195 m = pa_xnew(struct pa_tls_monitor, 1);
197 DuplicateHandle(GetCurrentProcess(), GetCurrentThread(),
198 GetCurrentProcess(), &m->thread, 0, FALSE,
199 DUPLICATE_SAME_ACCESS);
201 m->free_func = t->free_func;
203 pa_tls_set(monitor_tls, m);
205 thread = CreateThread(NULL, 0, monitor_thread_func, m, 0, NULL);