diff options
Diffstat (limited to 'osdep/threads.h')
-rw-r--r-- | osdep/threads.h | 71 |
1 files changed, 13 insertions, 58 deletions
diff --git a/osdep/threads.h b/osdep/threads.h index 1c5dbf8a3e..b6d950e5de 100644 --- a/osdep/threads.h +++ b/osdep/threads.h @@ -1,68 +1,23 @@ #ifndef MP_OSDEP_THREADS_H_ #define MP_OSDEP_THREADS_H_ -#include <pthread.h> -#include <inttypes.h> +#include "config.h" -// Helper to reduce boiler plate. -int mpthread_mutex_init_recursive(pthread_mutex_t *mutex); +enum mp_mutex_type { + MP_MUTEX_NORMAL = 0, + MP_MUTEX_RECURSIVE, +}; -// Set thread name (for debuggers). -void mpthread_set_name(const char *name); +#define mp_mutex_init(mutex) \ + mp_mutex_init_type(mutex, MP_MUTEX_NORMAL) -int mp_ptwrap_check(const char *file, int line, int res); -int mp_ptwrap_mutex_init(const char *file, int line, pthread_mutex_t *m, - const pthread_mutexattr_t *attr); - -#ifdef MP_PTHREAD_DEBUG - -// pthread debugging wrappers. Technically, this is undefined behavior, because -// you are not supposed to define any symbols that clash with reserved names. -// Other than that, they should be fine. - -// Note: mpv normally never checks pthread error return values of certain -// functions that should never fail. It does so because these cases would -// be undefined behavior anyway (such as double-frees etc.). However, -// since there are no good pthread debugging tools, these wrappers are -// provided for the sake of debugging. They crash on unexpected errors. -// -// Technically, pthread_cond/mutex_init() can fail with ENOMEM. We don't -// really respect this for normal/recursive mutex types, as due to the -// existence of static initializers, no sane implementation could actually -// require allocating memory. - -#define MP_PTWRAP(fn, ...) \ - mp_ptwrap_check(__FILE__, __LINE__, (fn)(__VA_ARGS__)) - -// ISO C defines that all standard functions can be macros, except undef'ing -// them is allowed and must make the "real" definitions available. (Whatever.) -#undef pthread_cond_init -#undef pthread_cond_destroy -#undef pthread_cond_broadcast -#undef pthread_cond_signal -#undef pthread_cond_wait -#undef pthread_cond_timedwait -#undef pthread_detach -#undef pthread_join -#undef pthread_mutex_destroy -#undef pthread_mutex_lock -#undef pthread_mutex_unlock - -#define pthread_cond_init(...) MP_PTWRAP(pthread_cond_init, __VA_ARGS__) -#define pthread_cond_destroy(...) MP_PTWRAP(pthread_cond_destroy, __VA_ARGS__) -#define pthread_cond_broadcast(...) MP_PTWRAP(pthread_cond_broadcast, __VA_ARGS__) -#define pthread_cond_signal(...) MP_PTWRAP(pthread_cond_signal, __VA_ARGS__) -#define pthread_cond_wait(...) MP_PTWRAP(pthread_cond_wait, __VA_ARGS__) -#define pthread_cond_timedwait(...) MP_PTWRAP(pthread_cond_timedwait, __VA_ARGS__) -#define pthread_detach(...) MP_PTWRAP(pthread_detach, __VA_ARGS__) -#define pthread_join(...) MP_PTWRAP(pthread_join, __VA_ARGS__) -#define pthread_mutex_destroy(...) MP_PTWRAP(pthread_mutex_destroy, __VA_ARGS__) -#define pthread_mutex_lock(...) MP_PTWRAP(pthread_mutex_lock, __VA_ARGS__) -#define pthread_mutex_unlock(...) MP_PTWRAP(pthread_mutex_unlock, __VA_ARGS__) - -#define pthread_mutex_init(...) \ - mp_ptwrap_mutex_init(__FILE__, __LINE__, __VA_ARGS__) +#define mp_mutex_init_type(mutex, mtype) \ + mp_mutex_init_type_internal(mutex, mtype) +#if HAVE_WIN32_THREADS +#include "threads-win32.h" +#else +#include "threads-posix.h" #endif #endif |