32e692d5d2
The function sc_cond_timedwait() accepted a parameter representing the max duration to wait, because it internally uses SDL_CondWaitTimeout(). Instead, accept a deadline, to be consistent with pthread_cond_timedwait().
84 lines
1.4 KiB
C
84 lines
1.4 KiB
C
#ifndef SC_THREAD_H
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#define SC_THREAD_H
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#include "common.h"
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#include <stdatomic.h>
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#include <stdbool.h>
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#include "tick.h"
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/* Forward declarations */
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typedef struct SDL_Thread SDL_Thread;
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typedef struct SDL_mutex SDL_mutex;
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typedef struct SDL_cond SDL_cond;
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typedef int sc_thread_fn(void *);
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typedef unsigned sc_thread_id;
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typedef atomic_uint sc_atomic_thread_id;
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typedef struct sc_thread {
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SDL_Thread *thread;
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} sc_thread;
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typedef struct sc_mutex {
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SDL_mutex *mutex;
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#ifndef NDEBUG
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sc_atomic_thread_id locker;
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#endif
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} sc_mutex;
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typedef struct sc_cond {
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SDL_cond *cond;
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} sc_cond;
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bool
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sc_thread_create(sc_thread *thread, sc_thread_fn fn, const char *name,
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void *userdata);
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void
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sc_thread_join(sc_thread *thread, int *status);
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bool
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sc_mutex_init(sc_mutex *mutex);
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void
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sc_mutex_destroy(sc_mutex *mutex);
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void
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sc_mutex_lock(sc_mutex *mutex);
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void
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sc_mutex_unlock(sc_mutex *mutex);
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sc_thread_id
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sc_thread_get_id(void);
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#ifndef NDEBUG
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bool
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sc_mutex_held(struct sc_mutex *mutex);
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# define sc_mutex_assert(mutex) assert(sc_mutex_held(mutex))
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#else
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# define sc_mutex_assert(mutex)
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#endif
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bool
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sc_cond_init(sc_cond *cond);
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void
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sc_cond_destroy(sc_cond *cond);
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void
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sc_cond_wait(sc_cond *cond, sc_mutex *mutex);
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// return true on signaled, false on timeout
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bool
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sc_cond_timedwait(sc_cond *cond, sc_mutex *mutex, sc_tick deadline);
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void
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sc_cond_signal(sc_cond *cond);
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void
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sc_cond_broadcast(sc_cond *cond);
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#endif
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