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cleaning up linux layer

This commit is contained in:
Allen Webster 2017-06-30 15:08:11 -04:00
parent 1298496ae7
commit 7fb99f50bc
2 changed files with 27 additions and 45 deletions
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53
platform_linux/linux_4ed.cpp
View File

@ -36,6 +36,7 @@
#include "4ed_math.h" #include "4ed_math.h"
#include "4ed_system.h" #include "4ed_system.h"
#include "4ed_log.h"
#include "4ed_rendering.h" #include "4ed_rendering.h"
#include "4ed.h" #include "4ed.h"
@ -89,8 +90,6 @@
#define FPS 60L #define FPS 60L
#define frame_useconds (1000000UL / FPS) #define frame_useconds (1000000UL / FPS)
#define LinuxGetMemory(size) LinuxGetMemory_(size, __LINE__, __FILE__)
#if FRED_INTERNAL #if FRED_INTERNAL
#define LINUX_FN_DEBUG(fmt, ...) do { \ #define LINUX_FN_DEBUG(fmt, ...) do { \
fprintf(stderr, "%s: " fmt "\n", __func__, ##__VA_ARGS__); \ fprintf(stderr, "%s: " fmt "\n", __func__, ##__VA_ARGS__); \
@ -216,6 +215,8 @@ struct Linux_Vars{
Linux_Coroutine coroutine_data[18]; Linux_Coroutine coroutine_data[18];
Linux_Coroutine *coroutine_free; Linux_Coroutine *coroutine_free;
u32 log_position;
}; };
// //
@ -251,34 +252,6 @@ internal void system_signal_cv(i32, i32);
// Shared system functions (system_shared.h) // Shared system functions (system_shared.h)
// //
internal void*
LinuxGetMemory_(i32 size, i32 line_number, char *file_name){
void *result = 0;
Assert(size != 0);
size_t real_size = size + sizeof(size_t);
result = mmap(0, real_size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if(result == MAP_FAILED){
perror("mmap");
result = NULL;
} else {
memcpy(result, &real_size, sizeof(size_t));
result = (char*)result + sizeof(size_t);
}
return(result);
}
internal void
LinuxFreeMemory(void *block){
if (block){
block = (char*)block - sizeof(size_t);
size_t size = *(size_t*)block;
munmap(block, size);
}
}
internal internal
Sys_File_Can_Be_Made_Sig(system_file_can_be_made){ Sys_File_Can_Be_Made_Sig(system_file_can_be_made){
b32 result = access((char*)filename, W_OK) == 0; b32 result = access((char*)filename, W_OK) == 0;
@ -319,17 +292,11 @@ Sys_Memory_Allocate_Sig(system_memory_allocate){
internal internal
Sys_Memory_Set_Protection_Sig(system_memory_set_protection){ Sys_Memory_Set_Protection_Sig(system_memory_set_protection){
// NOTE(allen): bool32 result = true;
// There is no such thing as "write only" in windows
// so I just made write = write + read in all cases.
bool32 result = 1;
int protect = 0; int protect = 0;
switch (flags & 0x7){
flags = flags & 0x7; case 0: protect = PROT_NONE; break;
switch (flags){
case 0:
protect = PROT_NONE; break;
case MemProtect_Read: case MemProtect_Read:
protect = PROT_READ; break; protect = PROT_READ; break;
@ -987,7 +954,7 @@ JobThreadProc(void* lpParameter){
if (thread_memory->size == 0){ if (thread_memory->size == 0){
i32 new_size = KB(64); i32 new_size = KB(64);
thread_memory->data = LinuxGetMemory(new_size); thread_memory->data = system_memory_allocate(new_size);
thread_memory->size = new_size; thread_memory->size = new_size;
} }
@ -1926,10 +1893,10 @@ internal void
LinuxStringDup(String* str, void* data, size_t size){ LinuxStringDup(String* str, void* data, size_t size){
if (str->memory_size < size){ if (str->memory_size < size){
if (str->str){ if (str->str){
LinuxFreeMemory(str->str); system_memory_free(str->str, str->memory_size);
} }
str->memory_size = size; str->memory_size = size;
str->str = (char*)LinuxGetMemory(size); str->str = (char*)system_memory_allocate(size);
//TODO(inso): handle alloc failure case //TODO(inso): handle alloc failure case
} }

15
platform_unix/unix_4ed_functions.cpp Normal file
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@ -0,0 +1,15 @@
/*
* Mr. 4th Dimention - Allen Webster
*
* 06.30.2017
*
* General unix functions
*
*/
// TOP
// BOTTOM