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#ifndef AMALGAM_THREAD_H
#define AMALGAM_THREAD_H
#include "misc.h"
#include "types.h"
#include "defs.h"
#include <pthread.h>
typedef void* (AmalThreadCallbackFunc)(void *userdata);
#define AMAL_THREAD_OK 0
/* General error */
#define AMAL_THREAD_ERR -1
#define AMAL_THREAD_NOT_JOINABLE -23
/*#define AMAL_MUTEX_DEBUG*/
struct amal_thread {
pthread_t thread_id;
pthread_attr_t thread_attr;
const char *name;
bool cancellable;
bool destroyable;
};
typedef enum {
AMAL_THREAD_JOINABLE,
AMAL_THREAD_DETACHED
} amal_thread_type;
struct amal_mutex {
pthread_mutex_t mutex;
#ifdef AMAL_MUTEX_DEBUG
const char *lock_identifier;
#endif
bool locked;
pthread_t owner_thread;
};
CHECK_RESULT int amal_thread_create(amal_thread *self, amal_thread_type thread_type, const char *name, AmalThreadCallbackFunc callback_func, void *userdata);
/* Safe to call multiple times */
CHECK_RESULT int amal_thread_deinit(amal_thread *self);
CHECK_RESULT int amal_thread_detach(amal_thread *self);
CHECK_RESULT int amal_thread_join(amal_thread *self, void **result);
bool amal_thread_is_main(void);
/* Returns 0 if the number of usable threads is unknown */
int amal_get_usable_thread_count(void);
CHECK_RESULT int amal_mutex_init(amal_mutex *self);
void amal_mutex_deinit(amal_mutex *self);
CHECK_RESULT int amal_mutex_lock(amal_mutex *self, const char *lock_identifier);
/* Safe to call unlock when another thread owns the lock or if the lock is not locked */
CHECK_RESULT int amal_mutex_unlock(amal_mutex *self);
void amal_mutex_tryunlock(amal_mutex *self);
#endif
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