Allen Webster 2017-06-30 15:10:05 -04:00
commit 9b93696870
2 changed files with 27 additions and 45 deletions

View File

@ -36,6 +36,7 @@
#include "4ed_math.h"
#include "4ed_system.h"
#include "4ed_log.h"
#include "4ed_rendering.h"
#include "4ed.h"
@ -89,8 +90,6 @@
#define FPS 60L
#define frame_useconds (1000000UL / FPS)
#define LinuxGetMemory(size) LinuxGetMemory_(size, __LINE__, __FILE__)
#if FRED_INTERNAL
#define LINUX_FN_DEBUG(fmt, ...) do { \
fprintf(stderr, "%s: " fmt "\n", __func__, ##__VA_ARGS__); \
@ -212,6 +211,8 @@ struct Linux_Vars{
Linux_Coroutine coroutine_data[18];
Linux_Coroutine *coroutine_free;
u32 log_position;
};
//
@ -247,34 +248,6 @@ internal void system_signal_cv(i32, i32);
// 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
Sys_File_Can_Be_Made_Sig(system_file_can_be_made){
b32 result = access((char*)filename, W_OK) == 0;
@ -315,17 +288,11 @@ Sys_Memory_Allocate_Sig(system_memory_allocate){
internal
Sys_Memory_Set_Protection_Sig(system_memory_set_protection){
// NOTE(allen):
// There is no such thing as "write only" in windows
// so I just made write = write + read in all cases.
bool32 result = 1;
bool32 result = true;
int protect = 0;
flags = flags & 0x7;
switch (flags){
case 0:
protect = PROT_NONE; break;
switch (flags & 0x7){
case 0: protect = PROT_NONE; break;
case MemProtect_Read:
protect = PROT_READ; break;
@ -983,7 +950,7 @@ JobThreadProc(void* lpParameter){
if (thread_memory->size == 0){
i32 new_size = KB(64);
thread_memory->data = LinuxGetMemory(new_size);
thread_memory->data = system_memory_allocate(new_size);
thread_memory->size = new_size;
}
@ -1920,12 +1887,12 @@ LinuxHandleToFD(Plat_Handle h){
internal void
LinuxStringDup(String* str, void* data, size_t size){
if(str->memory_size < size){
if(str->str){
LinuxFreeMemory(str->str);
if (str->memory_size < size){
if (str->str){
system_memory_free(str->str, str->memory_size);
}
str->memory_size = size;
str->str = (char*)LinuxGetMemory(size);
str->str = (char*)system_memory_allocate(size);
//TODO(inso): handle alloc failure case
}

View File

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