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#ifndef _NT_AFL_H_
#define _NT_AFL_H_
#include "nt_abi.h"
#include "nt_object.h"
/* advisory file locking command bits */
#define NT_AFL_CMD_LOCK_NONE (0x0000)
#define NT_AFL_CMD_LOCK_READ (0x0001)
#define NT_AFL_CMD_LOCK_WRITE (0x0002)
#define NT_AFL_CMD_LOCK_PROBE (0x0400)
#define NT_AFL_CMD_LOCK_NOWAIT (0x0800)
/* advisory file locking info info */
typedef struct __attr_ptr_size_aligned__ _nt_afl_info {
void * hport;
void * hevent;
void * apc_routine;
void * apc_context;
nt_guid afldev;
void * l_hfile;
int64_t l_fileid;
int64_t l_start;
int64_t l_len;
int32_t l_pid;
uint32_t l_cmd;
nt_iosb ntiosb;
nt_iosb * riosb;
} nt_afl_info;
/* advisory file locking operation */
typedef struct __attr_ptr_size_aligned__ _nt_afl_op {
void * l_hfile;
int64_t l_fileid;
int64_t l_start;
int64_t l_len;
uint32_t l_pid;
uint32_t l_cmd;
} nt_afl_op;
/* advisory file locking client interfaces */
typedef int32_t __stdcall ntapi_afl_create(
__in void * hport,
__out nt_afl_info * afl,
__in nt_oa * oa,
__out nt_iosb * iosb);
typedef int32_t __stdcall ntapi_afl_open(
__in void * hport,
__out nt_afl_info * afl,
__in nt_oa * oa,
__out nt_iosb * iosb);
typedef int32_t __stdcall ntapi_afl_fcntl(
__in nt_afl_info * afl,
__in void * hevent __optional,
__in nt_io_apc_routine * apc_routine __optional,
__in void * apc_context __optional,
__out nt_iosb * iosb,
__in uint32_t afl_control_code,
__in void * input_buffer __optional,
__in uint32_t input_buffer_length,
__out void * output_buffer __optional,
__in uint32_t output_buffer_length);
typedef int32_t __stdcall ntapi_afl_ioctl(
__in nt_afl_info * afl,
__in void * hevent __optional,
__in nt_io_apc_routine * apc_routine __optional,
__in void * apc_context __optional,
__out nt_iosb * iosb,
__in uint32_t afl_control_code,
__in void * input_buffer __optional,
__in uint32_t input_buffer_length,
__out void * output_buffer __optional,
__in uint32_t output_buffer_length);
typedef int32_t __stdcall ntapi_afl_query(
__in nt_afl_info * afl,
__out nt_io_status_block * iosb,
__out void * afl_info,
__in uint32_t afl_info_length,
__in int32_t afl_ctl_cmd);
typedef int32_t __stdcall ntapi_afl_set(
__in nt_afl_info * afl,
__out nt_io_status_block * iosb,
__in void * afl_info,
__in uint32_t afl_info_length,
__in int32_t afl_ctl_cmd);
typedef int32_t __stdcall ntapi_afl_cancel(
__in nt_afl_info * afl,
__out nt_iosb * iosb);
typedef int32_t __stdcall ntapi_afl_free(
__in nt_afl_info * afl,
__out nt_iosb * iosb);
#endif
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