diff options
| author | Lennart Poettering <lennart@poettering.net> | 2007-10-28 19:13:50 +0000 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2007-10-28 19:13:50 +0000 |
| commit | a67c21f093202f142438689d3f7cfbdf4ea82eea (patch) | |
| tree | 5c3295037f033904bc11ab8b3adae5b7331101e9 /src/pulsecore/thread.h | |
| parent | 6687dd013169fd8436aa1b45ccdacff074a40d05 (diff) | |
merge 'lennart' branch back into trunk.
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
Diffstat (limited to 'src/pulsecore/thread.h')
| -rw-r--r-- | src/pulsecore/thread.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/pulsecore/thread.h b/src/pulsecore/thread.h index ca1fe4da..54ef320e 100644 --- a/src/pulsecore/thread.h +++ b/src/pulsecore/thread.h @@ -26,6 +26,11 @@ ***/ #include <pulse/def.h> +#include <pulsecore/once.h> + +#ifndef PACKAGE +#error "Please include config.h before including this file!" +#endif typedef struct pa_thread pa_thread; @@ -48,4 +53,60 @@ void pa_tls_free(pa_tls *t); void * pa_tls_get(pa_tls *t); void *pa_tls_set(pa_tls *t, void *userdata); +#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_obj(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) { \ + static void (*_free_cb)(void*) = free_cb; \ + if (!name##_tls.tls) \ + return; \ + if (_free_cb) { \ + void *p; \ + if ((p = pa_tls_get(name##_tls.tls))) \ + _free_cb(p); \ + } \ + pa_tls_free(name##_tls.tls); \ + } \ + static inline void* name##_tls_get(void) { \ + return pa_tls_get(name##_tls_obj()); \ + } \ + static inline void* name##_tls_set(void *p) { \ + return pa_tls_set(name##_tls_obj(), p); \ + } \ + struct __stupid_useless_struct_to_allow_trailing_semicolon + +#ifdef HAVE_TLS_BUILTIN +/* An optimized version of the above that requires no dynamic + * allocation if the compiler supports __thread */ +#define PA_STATIC_TLS_DECLARE_NO_FREE(name) \ + static __thread void *name##_tls = NULL; \ + static inline void* name##_tls_get(void) { \ + return name##_tls; \ + } \ + static inline void* name##_tls_set(void *p) { \ + void *r = name##_tls; \ + name##_tls = p; \ + return r; \ + } \ + struct __stupid_useless_struct_to_allow_trailing_semicolon +#else +#define PA_STATIC_TLS_DECLARE_NO_FREE(name) PA_STATIC_TLS_DECLARE(name, NULL) +#endif + +#define PA_STATIC_TLS_GET(name) (name##_tls_get()) +#define PA_STATIC_TLS_SET(name, p) (name##_tls_set(p)) + #endif |