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add macro for creating static TLS objects

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1683 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-08-22 00:19:33 +00:00
parent b0b06b0002
commit a0ad42a35f
1 changed files with 26 additions and 0 deletions
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26
src/pulsecore/thread.h
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@ -48,4 +48,30 @@ void pa_tls_free(pa_tls *t);
void * pa_tls_get(pa_tls *t); void * pa_tls_get(pa_tls *t);
void *pa_tls_set(pa_tls *t, void *userdata); 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 #endif