#ifndef _TOOLKIT_WIN_HEADER_H_
#define _TOOLKIT_WIN_HEADER_H_

#ifdef _WIN32


#ifdef __cplusplus
extern "C" {
#endif

typedef struct {
	DWORD tls_index;
} toolkit_key_t;

typedef CRITICAL_SECTION toolkit_mutex_t;

typedef struct toolkit_once_s {
	unsigned char ran;
	HANDLE event;
} toolkit_once_t;

#define TOOLKIT_ONCE_INIT { 0, NULL }

typedef HANDLE toolkit_thread_t;


typedef struct {
	HMODULE handle;
	char* errmsg;
} toolkit_lib_t;

typedef HANDLE toolkit_sem_t;

typedef int toolkit_pid_t;

/* This condition variable implementation is based on the SetEvent solution
 * (section 3.2) at http://www.cs.wustl.edu/~schmidt/win32-cv-1.html
 * We could not use the SignalObjectAndWait solution (section 3.4) because
 * it want the 2nd argument (type toolkit_mutex_t) of toolkit_cond_wait() and
 * toolkit_cond_timedwait() to be HANDLEs, but we use CRITICAL_SECTIONs.
 */

typedef union {
    CONDITION_VARIABLE cond_var;
    struct {
        unsigned int waiters_count;
        CRITICAL_SECTION waiters_count_lock;
        HANDLE signal_event;
        HANDLE broadcast_event;
    } unused_; /* TODO: retained for ABI compatibility; remove me in v2.x. */
} toolkit_cond_t;

typedef union {
    struct {
        unsigned int num_readers_;
        CRITICAL_SECTION num_readers_lock_;
        HANDLE write_semaphore_;
    } state_;
    /* TODO: remove me in v2.x. */
    struct {
        SRWLOCK unused_;
    } unused1_;
    /* TODO: remove me in v2.x. */
    struct {
        toolkit_mutex_t unused1_;
        toolkit_mutex_t unused2_;
    } unused2_;
} toolkit_rwlock_t;

typedef struct {
    unsigned int n;
    unsigned int count;
    toolkit_mutex_t mutex;
    toolkit_sem_t turnstile1;
    toolkit_sem_t turnstile2;
} toolkit_barrier_t;

int snprintf(char* buf, size_t len, const char* fmt, ...);

#ifdef __cplusplus
} // extern "C" {
#endif

#endif //_WIN32

#endif //_TOOLKIT_WIN_HEADER_H_