diff options
author | midipix <writeonce@midipix.org> | 2015-07-27 04:01:18 -0400 |
---|---|---|
committer | midipix <writeonce@midipix.org> | 2015-07-27 04:01:18 -0400 |
commit | dd89bb8ad4fe184a34b5dbdda237e640fc82121b (patch) | |
tree | 5e80d2da35f5892f92be29f57982b2708e6bd99b /src/vmount/ntapi_vms_ref_count.c | |
parent | dcdadc2702712fa750ed255ed1dfa354522797a0 (diff) | |
download | ntapi-dd89bb8ad4fe184a34b5dbdda237e640fc82121b.tar.bz2 ntapi-dd89bb8ad4fe184a34b5dbdda237e640fc82121b.tar.xz |
entered advanced internal development stage.
Diffstat (limited to 'src/vmount/ntapi_vms_ref_count.c')
-rw-r--r-- | src/vmount/ntapi_vms_ref_count.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/vmount/ntapi_vms_ref_count.c b/src/vmount/ntapi_vms_ref_count.c new file mode 100644 index 0000000..3be149f --- /dev/null +++ b/src/vmount/ntapi_vms_ref_count.c @@ -0,0 +1,96 @@ +/********************************************************/ +/* ntapi: Native API core library */ +/* Copyright (C) 2013,2014,2015 Z. Gilboa */ +/* Released under GPLv2 and GPLv3; see COPYING.NTAPI. */ +/********************************************************/ + +#include <psxtypes/psxtypes.h> +#include <ntapi/nt_port.h> +#include <ntapi/nt_vmount.h> +#include <ntapi/ntapi.h> +#include "ntapi_impl.h" + + +static int32_t __stdcall __ntapi_vms_ref_count_inc_dec( + __in void * hvms, + __in nt_vms_ref_count_info * ref_cnt_info, + __in int32_t vms_opcode) +{ + int32_t status; + nt_vms_daemon_msg msg; + + /* msg */ + __ntapi->tt_aligned_block_memset(&msg,0,sizeof(msg)); + + msg.header.msg_type = NT_LPC_NEW_MESSAGE; + msg.header.data_size = sizeof(msg.data); + msg.header.msg_size = sizeof(msg); + msg.data.msginfo.opcode = vms_opcode; + + /* copy ref count info to msg */ + __ntapi->tt_aligned_block_memcpy( + (uintptr_t *)&(msg.data.refcntinfo), + (uintptr_t *)ref_cnt_info, + sizeof(*ref_cnt_info)); + + /* zw_request_wait_reply_port */ + status = __ntapi->zw_request_wait_reply_port( + hvms, + &msg, + &msg); + + if (status) return status; + + /* return info */ + __ntapi->tt_aligned_block_memcpy( + (uintptr_t *)ref_cnt_info, + (uintptr_t *)&(msg.data.refcntinfo), + sizeof(*ref_cnt_info)); + + /* return vms status */ + return status ? status : msg.data.msginfo.status; +} + + +int32_t __stdcall __ntapi_vms_ref_count_inc( + __in void * hvms, + __in nt_vms_ref_count_info * ref_cnt_info) +{ + return __ntapi_vms_ref_count_inc_dec( + hvms, + ref_cnt_info, + NT_VMS_REF_COUNT_INC); +} + + +int32_t __stdcall __ntapi_vms_ref_count_dec( + __in void * hvms, + __in nt_vms_ref_count_info * ref_cnt_info) +{ + return __ntapi_vms_ref_count_inc_dec( + hvms, + ref_cnt_info, + NT_VMS_REF_COUNT_DEC); +} + + +int32_t __stdcall __ntapi_vms_point_detach( + __in void * hvms, + __in nt_vms_ref_count_info * ref_cnt_info) +{ + return __ntapi_vms_ref_count_inc_dec( + hvms, + ref_cnt_info, + NT_VMS_POINT_DETACH); +} + + +int32_t __stdcall __ntapi_vms_point_get_handles( + __in void * hvms, + __in nt_vms_ref_count_info * ref_cnt_info) +{ + return __ntapi_vms_ref_count_inc_dec( + hvms, + ref_cnt_info, + NT_VMS_POINT_GET_HANDLES); +} |