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Annotation of uae/src/td-sdl/thread.h, revision 1.1.1.2

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: 
1.1.1.2 ! root        9: #include <SDL.h>
        !            10: #include <SDL_thread.h>
1.1       root       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: 
1.1.1.2 ! root       30: STATIC_INLINE int uae_start_thread (void *(*f) (void *), void *arg, uae_thread_id *thread)
1.1       root       31: {
1.1.1.2 ! root       32:     *thread = SDL_CreateThread ((int (*)(void *))f, arg);
        !            33:     return *thread == 0;
1.1       root       34: }
                     35: 
                     36: /* Do nothing; thread exits if thread function returns.  */
                     37: #define UAE_THREAD_EXIT do {} while (0)

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