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doing linux at the same time....

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ed
2025-02-07 19:46:49 -05:00
parent a4f915d27d
commit ee6a43e136
6 changed files with 378 additions and 428 deletions
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code/os/win32/os_win32.c
+75 -72
View File
@@ -6,7 +6,7 @@
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
MD_API global OS_W32_State os_w32_state = {0};
MD_API_C global OS_W32_State os_w32_state = {0};
////////////////////////////////
//~ rjf: Modern Windows SDK Functions
@@ -16,9 +16,6 @@ MD_API global OS_W32_State os_w32_state = {0};
typedef HRESULT W32_SetThreadDescription_Type(HANDLE hThread, PCWSTR lpThreadDescription);
MD_API_C global W32_SetThreadDescription_Type* w32_SetThreadDescription_func = 0;
////////////////////////////////
//~ rjf: File Info Conversion Helpers
////////////////////////////////
//~ rjf: Time Conversion Helpers
@@ -190,92 +187,98 @@ os_file_open(OS_AccessFlags flags, String8 path)
}
void
os_file_close(OS_Handle file)
{
os_file_close(OS_Handle file) {
if (os_handle_match(file, os_handle_zero())) { return; }
HANDLE handle = (HANDLE)file.u64[0];
BOOL result = CloseHandle(handle);
(void)result;
}
internal U64
U64
os_file_read(OS_Handle file, Rng1U64 rng, void *out_data)
{
if(os_handle_match(file, os_handle_zero())) { return 0; }
HANDLE handle = (HANDLE)file.u64[0];
if (os_handle_match(file, os_handle_zero())) { return 0; }
HANDLE handle = (HANDLE)file.u64[0];
// rjf: clamp range by file size
U64 size = 0;
GetFileSizeEx(handle, (LARGE_INTEGER *)&size);
Rng1U64 rng_clamped = r1u64(ClampTop(rng.min, size), ClampTop(rng.max, size));
U64 total_read_size = 0;
// rjf: clamp range by file size
U64 size = 0;
GetFileSizeEx(handle, (LARGE_INTEGER *)&size);
Rng1U64 rng_clamped = r1u64(ClampTop(rng.min, size), ClampTop(rng.max, size));
U64 total_read_size = 0;
// rjf: read loop
{
U64 to_read = dim_1u64(rng_clamped);
for(U64 off = rng.min; total_read_size < to_read;)
{
U64 amt64 = to_read - total_read_size;
U32 amt32 = u32_from_u64_saturate(amt64);
DWORD read_size = 0;
OVERLAPPED overlapped = {0};
overlapped.Offset = (off&0x00000000ffffffffull);
overlapped.OffsetHigh = (off&0xffffffff00000000ull) >> 32;
ReadFile(handle, (U8 *)out_data + total_read_size, amt32, &read_size, &overlapped);
off += read_size;
total_read_size += read_size;
if(read_size != amt32)
{
break;
}
}
}
// rjf: read loop
{
U64 to_read = dim_1u64(rng_clamped);
for(U64 off = rng.min; total_read_size < to_read;)
{
U64 amt64 = to_read - total_read_size;
U32 amt32 = u32_from_u64_saturate(amt64);
DWORD read_size = 0;
OVERLAPPED overlapped = {0};
overlapped.Offset = (off&0x00000000ffffffffull);
overlapped.OffsetHigh = (off&0xffffffff00000000ull) >> 32;
ReadFile(handle, (U8 *)out_data + total_read_size, amt32, &read_size, &overlapped);
off += read_size;
total_read_size += read_size;
if (read_size != amt32) {
break;
}
}
}
return total_read_size;
return total_read_size;
}
internal U64
U64
os_file_write(OS_Handle file, Rng1U64 rng, void *data)
{
if(os_handle_match(file, os_handle_zero())) { return 0; }
HANDLE win_handle = (HANDLE)file.u64[0];
U64 src_off = 0;
U64 dst_off = rng.min;
U64 bytes_to_write_total = rng.max-rng.min;
U64 total_bytes_written = 0;
for(;src_off < bytes_to_write_total;)
{
void *bytes_src = (void *)((U8 *)data + src_off);
U64 bytes_to_write_64 = (bytes_to_write_total-src_off);
U32 bytes_to_write_32 = u32_from_u64_saturate(bytes_to_write_64);
U32 bytes_written = 0;
OVERLAPPED overlapped = {0};
overlapped.Offset = (dst_off&0x00000000ffffffffull);
overlapped.OffsetHigh = (dst_off&0xffffffff00000000ull) >> 32;
BOOL success = WriteFile(win_handle, bytes_src, bytes_to_write_32, (DWORD *)&bytes_written, &overlapped);
if(success == 0)
{
break;
}
src_off += bytes_written;
dst_off += bytes_written;
total_bytes_written += bytes_written;
}
return total_bytes_written;
if(os_handle_match(file, os_handle_zero())) { return 0; }
HANDLE win_handle = (HANDLE)file.u64[0];
U64 src_off = 0;
U64 dst_off = rng.min;
U64 bytes_to_write_total = rng.max-rng.min;
U64 total_bytes_written = 0;
for (;src_off < bytes_to_write_total;)
{
void* bytes_src = (void*)((U8*)data + src_off);
U64 bytes_to_write_64 = (bytes_to_write_total-src_off);
U32 bytes_to_write_32 = u32_from_u64_saturate(bytes_to_write_64);
U32 bytes_written = 0;
OVERLAPPED overlapped = {0};
overlapped.Offset = (dst_off&0x00000000ffffffffull);
overlapped.OffsetHigh = (dst_off&0xffffffff00000000ull) >> 32;
BOOL success = WriteFile(win_handle, bytes_src, bytes_to_write_32, (DWORD *)&bytes_written, &overlapped);
if (success == 0) {
break;
}
src_off += bytes_written;
dst_off += bytes_written;
total_bytes_written += bytes_written;
}
return total_bytes_written;
}
internal B32
os_file_set_time(OS_Handle file, DateTime time)
B32
os_file_set_times(OS_Handle file, DateTime time)
{
if(os_handle_match(file, os_handle_zero())) { return 0; }
B32 result = 0;
HANDLE handle = (HANDLE)file.u64[0];
SYSTEMTIME system_time = {0};
os_w32_system_time_from_date_time(&system_time, &time);
FILETIME file_time = {0};
result = (SystemTimeToFileTime(&system_time, &file_time) &&
SetFileTime(handle, &file_time, &file_time, &file_time));
return result;
if(os_handle_match(file, os_handle_zero())) { return 0; }
B32 result = 0;
{
HANDLE handle = (HANDLE)file.u64[0];
SYSTEMTIME system_time = {0};
os_w32_system_time_from_date_time(&system_time, &time);
FILETIME file_time = {0};
result = (SystemTimeToFileTime(&system_time, &file_time) && SetFileTime(handle, &file_time, &file_time, &file_time));
}
return result;
}
internal FileProperties
code/os/win32/os_win32.h
+5 -9
View File
@@ -177,15 +177,7 @@ os_w32_dense_time_from_file_time(DenseTime* out, FILETIME* in) {
//~ rjf: Entity Functions
MD_API OS_W32_Entity* os_w32_entity_alloc (OS_W32_EntityKind kind);
MD_API void os_w32_entity_release(OS_W32_Entity* entity);
inline void
os_w32_entity_release(OS_W32_Entity *entity) {
entity->kind = OS_W32_EntityKind_Null;
EnterCriticalSection(&os_w32_state.entity_mutex);
sll_stack_push(os_w32_state.entity_free, entity);
LeaveCriticalSection(&os_w32_state.entity_mutex);
}
MD_API void os_w32_entity_release(OS_W32_Entity* entity);
////////////////////////////////
//~ rjf: Thread Entry Point
@@ -245,4 +237,8 @@ inline U32 os_tid(void) { DWORD id = GetCurrentThreadId(); return (U32)id; }
inline void os_abort(S32 exit_code) { ExitProcess(exit_code); }
////////////////////////////////
//~ rjf: @os_hooks File System (Implemented Per-OS)
//- rjf: files