Files
metadesk/source/base/thread_context.h

91 lines
2.9 KiB
C

#ifdef INTELLISENSE_DIRECTIVES
# pragma once
# include "arena.h"
# include "string.h"
#endif
// Copyright (c) 2024 Epic Games Tools
// Licensed under the MIT license (https://opensource.org/license/mit/)
////////////////////////////////
// NOTE(allen): Thread MD_Context
typedef struct MD_TCTX MD_TCTX;
struct MD_TCTX
{
MD_Arena* arenas[2];
MD_U8 md_thread_name[32];
MD_U64 thread_name_size;
char* file_name;
MD_U64 line_number;
};
////////////////////////////////
// NOTE(allen): Thread MD_Context Functions
MD_API void md_tctx_init_and_equip (MD_TCTX* md_tctx);
MD_API void md_tctx_init_and_equip_alloc(MD_TCTX* md_tctx, MD_AllocatorInfo ainfo);
MD_API void md_tctx_release (void);
MD_API MD_TCTX* md_tctx_get_equipped (void);
MD_API MD_Arena* md_tctx_get_scratch(MD_Arena** conflicts, MD_U64 count);
void md_tctx_set_thread_name(MD_String8 name);
MD_String8 md_tctx_get_thread_name(void);
void md_tctx_write_srcloc(char* file_name, MD_U64 line_number);
void md_tctx_read_srcloc (char** file_name, MD_U64* line_number);
#define md_tctx_write_this_srcloc() md_tctx_write_srcloc(__FILE__, __LINE__)
typedef struct { MD_U64 count; } Opt_ScratchBegin;
inline MD_TempArena
md_scratch_begin__ainfo(MD_AllocatorInfo ainfo, Opt_ScratchBegin opt) {
MD_Arena* arena = md_extract_arena(ainfo);
MD_TempArena scratch = md_temp_begin(md_tctx_get_scratch(&arena, arena != md_nullptr));
return scratch;
}
md_force_inline MD_TempArena md_scratch_begin__arena(MD_Arena** arena, Opt_ScratchBegin opt) { MD_TempArena scratch = md_temp_begin(md_tctx_get_scratch(arena, opt.count)); return scratch; }
#define md_scratch_begin(conflicts, ...) \
_Generic(conflicts, \
int : md_scratch_begin__arena, \
MD_Arena** : md_scratch_begin__arena, \
MD_AllocatorInfo: md_scratch_begin__ainfo, \
default : md_assert_generic_sel_fail \
) md_generic_call(conflicts, (Opt_ScratchBegin){__VA_ARGS__})
#define scratch_end(scratch) md_temp_end(scratch)
inline void
md_tctx_set_thread_name(MD_String8 string){
MD_TCTX* md_tctx = md_tctx_get_equipped();
MD_U64 size = md_clamp_top(string.size, sizeof(md_tctx->md_thread_name));
md_memory_copy(md_tctx->md_thread_name, string.str, size);
md_tctx->thread_name_size = size;
}
inline MD_String8
md_tctx_get_thread_name(void) {
MD_TCTX* md_tctx = md_tctx_get_equipped();
MD_String8 result = md_str8(md_tctx->md_thread_name, md_tctx->thread_name_size);
return(result);
}
inline void
md_tctx_write_srcloc(char* file_name, MD_U64 line_number){
MD_TCTX *md_tctx = md_tctx_get_equipped();
md_tctx->file_name = file_name;
md_tctx->line_number = line_number;
}
inline void
md_tctx_read_srcloc(char** file_name, MD_U64* line_number){
MD_TCTX* md_tctx = md_tctx_get_equipped();
*file_name = md_tctx->file_name;
*line_number = md_tctx->line_number;
}