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Annotation of uae/src/td-sdl/thread.h, revision 1.1

1.1     ! root        1:  /*
        !             2:   * UAE - The Un*x Amiga Emulator
        !             3:   *
        !             4:   * Threading support, using SDL
        !             5:   *
        !             6:   * Copyright 1997, 2001 Bernd Schmidt
        !             7:   */
        !             8: 
        !             9: #include "SDL.h"
        !            10: #include "SDL_thread.h"
        !            11: 
        !            12: /* Sempahores. We use POSIX semaphores; if you are porting this to a machine
        !            13:  * with different ones, make them look like POSIX semaphores. */
        !            14: typedef SDL_sem *uae_sem_t;
        !            15: 
        !            16: #define uae_sem_init(PSEM, DUMMY, INIT) do { \
        !            17:     *PSEM = SDL_CreateSemaphore (INIT); \
        !            18: } while (0)
        !            19: #define uae_sem_destroy(PSEM) SDL_DestroySemaphore (*PSEM)
        !            20: #define uae_sem_post(PSEM) SDL_SemPost (*PSEM)
        !            21: #define uae_sem_wait(PSEM) SDL_SemWait (*PSEM)
        !            22: #define uae_sem_trywait(PSEM) SDL_SemTryWait (*PSEM)
        !            23: #define uae_sem_getvalue(PSEM) SDL_SemValue (*PSEM)
        !            24: 
        !            25: #include "commpipe.h"
        !            26: 
        !            27: typedef SDL_Thread *uae_thread_id;
        !            28: #define BAD_THREAD NULL
        !            29: 
        !            30: static __inline__ int uae_start_thread (void *(*f) (void *), void *arg, uae_thread_id *foo)
        !            31: {
        !            32:     *foo = SDL_CreateThread ((int (*)(void *))f, arg);
        !            33:     return *foo == 0;
        !            34: }
        !            35: 
        !            36: /* Do nothing; thread exits if thread function returns.  */
        !            37: #define UAE_THREAD_EXIT do {} while (0)

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