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authorLennart Poettering <lennart@poettering.net>2007-08-22 00:19:33 +0000
committerLennart Poettering <lennart@poettering.net>2007-08-22 00:19:33 +0000
commita0ad42a35f73a9bdc0751cbb902f01da2c3c4b05 (patch)
tree5936be08fb45087a27d4149a7beba40324663ee8
parentb0b06b0002fc9eb14f2a151796d547543bec6b9b (diff)
add macro for creating static TLS objects
git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1683 fefdeb5f-60dc-0310-8127-8f9354f1896f
-rw-r--r--src/pulsecore/thread.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/pulsecore/thread.h b/src/pulsecore/thread.h
index ca1fe4da..44b80a06 100644
--- a/src/pulsecore/thread.h
+++ b/src/pulsecore/thread.h
@@ -48,4 +48,30 @@ void pa_tls_free(pa_tls *t);
void * pa_tls_get(pa_tls *t);
void *pa_tls_set(pa_tls *t, void *userdata);
+/* To make use of the static TLS stuff you have to include once.h, as well */
+
+#define PA_STATIC_TLS_DECLARE(name, free_cb) \
+ static struct { \
+ pa_once once; \
+ pa_tls *tls; \
+ } name##_tls = { \
+ .once = PA_ONCE_INIT, \
+ .tls = NULL \
+ }; \
+ static void name##_tls_init(void) { \
+ name##_tls.tls = pa_tls_new(free_cb); \
+ } \
+ static inline pa_tls* name##_tls_get(void) { \
+ pa_run_once(&name##_tls.once, name##_tls_init); \
+ return name##_tls.tls; \
+ } \
+ static void name##_tls_destructor(void) PA_GCC_DESTRUCTOR; \
+ static void name##_tls_destructor(void) { \
+ if (name##_tls.tls) \
+ pa_tls_free(name##_tls.tls); \
+ } \
+ struct __stupid_useless_struct_to_allow_trailing_semicolon
+
+#define PA_STATIC_TLS_GET(name) (name##_tls_get())
+
#endif