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initial pass done for os

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ed
2025-02-08 00:52:54 -05:00
parent ee6a43e136
commit e8809a243f
12 changed files with 1886 additions and 1788 deletions
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code/os/win32/os_win32.c
+975 -980
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code/os/win32/os_win32.h
+30 -26
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@@ -154,14 +154,14 @@ os_w32_date_time_from_system_time(DateTime* out, SYSTEMTIME* in)
inline void
os_w32_system_time_from_date_time(SYSTEMTIME* out, DateTime* in)
{
out->wYear = (WORD)(in->year);
out->wMonth = in->mon + 1;
out->wDay = in->day;
out->wYear = (WORD)(in->year);
out->wMonth = in->mon + 1;
out->wDay = in->day;
out->wHour = in->hour;
out->wMinute = in->min;
out->wSecond = in->sec;
out->wMilliseconds = in->msec;
out->wHour = in->hour;
out->wMinute = in->min;
out->wSecond = in->sec;
out->wMilliseconds = in->msec;
}
inline void
@@ -201,28 +201,43 @@ os_get_current_path(Arena* arena) {
return name;
}
inline String8
os_get_current_path(AllocatorInfo ainfo) {
String8 name;
// TODO(Ed): Review
TempArena scratch = scratch_begin(0, 0);
{
DWORD length = GetCurrentDirectoryW(0, 0);
U16* memory = push_array_no_zero(scratch.arena, U16, length + 1);
length = GetCurrentDirectoryW(length + 1, (WCHAR*)memory);
name = str8_from_16_alloc(ainfo, str16(memory, length));
}
scratch_end(scratch);
return name;
}
////////////////////////////////
//~ rjf: @os_hooks Memory Allocation (Implemented Per-OS)
//- rjf: basic
force_inline void* os_reserve ( U64 size) { void* result = VirtualAlloc( 0, size, MEM_RESERVE, PAGE_READWRITE); return result; }
force_inline B32 os_commit (void* ptr, U64 size) { B32 result = (VirtualAlloc(ptr, size, MEM_COMMIT, PAGE_READWRITE) != 0); return result; }
force_inline void os_decommit(void* ptr, U64 size) { VirtualFree (ptr, size, MEM_DECOMMIT); }
inline void* os_reserve ( U64 size) { void* result = VirtualAlloc( 0, size, MEM_RESERVE, PAGE_READWRITE); return result; }
inline B32 os_commit (void* ptr, U64 size) { B32 result = (VirtualAlloc(ptr, size, MEM_COMMIT, PAGE_READWRITE) != 0); return result; }
inline void os_decommit(void* ptr, U64 size) { VirtualFree (ptr, size, MEM_DECOMMIT); }
inline void
os_release(void* ptr, U64 size) {
// NOTE(rjf): size not used - not necessary on Windows, but necessary for other OSes.
VirtualFree(ptr, 0, MEM_RELEASE);
// NOTE(rjf): size not used - not necessary on Windows, but necessary for other OSes.
VirtualFree(ptr, 0, MEM_RELEASE);
}
//- rjf: large pages
inline void*
os_reserve_large(U64 size) {
// we commit on reserve because windows
void* result = VirtualAlloc(0, size, MEM_RESERVE|MEM_COMMIT|MEM_LARGE_PAGES, PAGE_READWRITE);
return result;
// we commit on reserve because windows
void* result = VirtualAlloc(0, size, MEM_RESERVE|MEM_COMMIT|MEM_LARGE_PAGES, PAGE_READWRITE);
return result;
}
inline B32 os_commit_large(void *ptr, U64 size) { return 1; }
@@ -231,14 +246,3 @@ inline B32 os_commit_large(void *ptr, U64 size) { return 1; }
//~ rjf: @os_hooks Thread Info (Implemented Per-OS)
inline U32 os_tid(void) { DWORD id = GetCurrentThreadId(); return (U32)id; }
////////////////////////////////
//~ rjf: @os_hooks Aborting (Implemented Per-OS)
inline void os_abort(S32 exit_code) { ExitProcess(exit_code); }
////////////////////////////////
//~ rjf: @os_hooks File System (Implemented Per-OS)
//- rjf: files