839 lines
24 KiB
C++
839 lines
24 KiB
C++
/*
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* chr - Andrew Chronister &
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* inso - Alex Baines
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*
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* 02.02.2020
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*
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* Updated linux layer for 4coder
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*
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*/
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global char *lnx_override_user_directory = 0;
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internal String_Const_u8
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system_get_path(Arena* arena, System_Path_Code path_code){
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String_Const_u8 result = {};
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switch (path_code){
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case SystemPath_CurrentDirectory: {
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// glibc extension: getcwd allocates its own memory if passed NULL
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char *working_dir = getcwd(NULL, 0);
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u64 working_dir_len = cstring_length(working_dir);
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u8 *out = push_array(arena, u8, working_dir_len + 1);
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block_copy(out, working_dir, working_dir_len);
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// NOTE: 4ed appears to expect a slash on the end.
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out[working_dir_len] = '/';
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free(working_dir);
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result = SCu8(out, working_dir_len + 1);
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} break;
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case SystemPath_Binary: {
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// linux-specific: binary path symlinked at /proc/self/exe
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// PATH_MAX is probably good enough...
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// read the 'readlink' manpage for some comedy about it being 'broken by design'.
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char* buf = push_array(arena, char, PATH_MAX);
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ssize_t n = readlink("/proc/self/exe", buf, PATH_MAX);
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if(n == -1) {
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perror("readlink");
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*buf = n = 0;
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}
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result = string_remove_last_folder(SCu8(buf, n));
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} break;
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case SystemPath_UserDirectory:
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{
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if (lnx_override_user_directory == 0){
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char *home_cstr = getenv("HOME");
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if (home_cstr != 0){
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result = push_u8_stringf(arena, "%s/.4coder/", home_cstr);
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}
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}
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else{
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result = SCu8((u8*)lnx_override_user_directory);
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}
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}break;
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}
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return(result);
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}
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internal String_Const_u8
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system_get_canonical(Arena* arena, String_Const_u8 name){
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// first remove redundant ../, //, ./ parts
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const u8* input = (u8*) strndupa((char*)name.str, name.size);
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u8* output = push_array(arena, u8, name.size + 1);
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const u8* p = input;
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u8* q = output;
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while(*p) {
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// not a slash - copy char
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if(p[0] != '/') {
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*q++ = *p++;
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continue;
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}
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// two slashes in a row, skip one.
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if(p[1] == '/') {
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++p;
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}
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else if(p[1] == '.') {
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// skip "/./" or trailing "/."
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if(p[2] == '/' || p[2] == '\0') {
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p += 2;
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}
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// if we encounter "/../" or trailing "/..", remove last directory instead
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else if(p[2] == '.' && (p[3] == '/' || p[3] == '\0')) {
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while(q > output && *--q != '/'){};
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p += 3;
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}
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else {
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*q++ = *p++;
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}
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}
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else {
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*q++ = *p++;
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}
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}
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#ifdef INSO_DEBUG
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if(name.size != q - output) {
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LINUX_FN_DEBUG("[%.*s] -> [%.*s]", (int)name.size, name.str, (int)(q - output), output);
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}
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#endif
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// TODO: use realpath at this point to resolve symlinks?
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return SCu8(output, q - output);
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}
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internal File_List
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system_get_file_list(Arena* arena, String_Const_u8 directory){
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//LINUX_FN_DEBUG("%.*s", (int)directory.size, directory.str);
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File_List result = {};
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char* path = strndupa((char*)directory.str, directory.size);
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int fd = open(path, O_RDONLY | O_DIRECTORY);
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if(fd == -1) {
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perror("open");
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return result;
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}
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DIR* dir = fdopendir(fd);
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struct dirent* d;
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File_Info* head = NULL;
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File_Info** fip = &head;
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while((d = readdir(dir))) {
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const char* name = d->d_name;
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// ignore . and ..
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if(*name == '.' && (name[1] == '\0' || (name[1] == '.' && name[2] == '\0'))) {
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continue;
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}
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*fip = push_array_zero(arena, File_Info, 1);
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(*fip)->file_name = push_u8_stringf(arena, "%.*s", d->d_reclen, name);
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struct stat st;
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if (fstatat(fd, name, &st, 0) == -1){
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perror("fstatat");
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}
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else{
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(*fip)->attributes = linux_file_attributes_from_struct_stat(&st);
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}
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fip = &(*fip)->next;
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result.count++;
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}
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closedir(dir);
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if(result.count > 0) {
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result.infos = fip = push_array(arena, File_Info*, result.count);
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for(File_Info* f = head;
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f != 0;
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f = f->next) {
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*fip++ = f;
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}
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qsort(result.infos, result.count, sizeof(File_Info*), (__compar_fn_t)&linux_compare_file_infos);
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for(u32 i = 0; i < result.count - 1; ++i) {
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result.infos[i]->next = result.infos[i+1];
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}
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result.infos[result.count-1]->next = NULL;
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}
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return result;
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}
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internal File_Attributes
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system_quick_file_attributes(Arena* scratch, String_Const_u8 file_name){
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//LINUX_FN_DEBUG("%.*s", (int)file_name.size, file_name.str);
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Temp_Memory_Block temp(scratch);
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file_name = push_string_copy(scratch, file_name);
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File_Attributes result = {};
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struct stat file_stat;
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if (stat((const char*)file_name.str, &file_stat) == 0){
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result = linux_file_attributes_from_struct_stat(&file_stat);
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}
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return(result);
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}
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internal b32
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system_load_handle(Arena* scratch, char* file_name, Plat_Handle* out){
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LINUX_FN_DEBUG("%s", file_name);
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int fd = open(file_name, O_RDONLY);
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if (fd != -1) {
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*(int*)out = fd;
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return true;
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}
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return false;
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}
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internal File_Attributes
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system_load_attributes(Plat_Handle handle){
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LINUX_FN_DEBUG();
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File_Attributes result = {};
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struct stat file_stat;
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if (fstat(*(int*)&handle, &file_stat) == 0){
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result = linux_file_attributes_from_struct_stat(&file_stat);
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}
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return(result);
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}
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internal b32
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system_load_file(Plat_Handle handle, char* buffer, u32 size){
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LINUX_FN_DEBUG("%.*s", size, buffer);
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int fd = *(int*)&handle;
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int bytes_read = read(fd, buffer, size);
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if (bytes_read == size) {
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return true;
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}
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return false;
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}
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internal b32
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system_load_close(Plat_Handle handle){
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LINUX_FN_DEBUG();
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int fd = *(int*)&handle;
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return close(fd) == 0;
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}
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internal File_Attributes
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system_save_file(Arena* scratch, char* file_name, String_Const_u8 data){
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LINUX_FN_DEBUG("%s", file_name);
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File_Attributes result = {};
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// TODO(inso): should probably put a \n on the end if it's a text file.
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int fd = open(file_name, O_TRUNC|O_WRONLY|O_CREAT, 0666);
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if (fd != -1) {
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int bytes_written = write(fd, data.str, data.size);
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if (bytes_written == -1) {
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perror("write");
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} else if (bytes_written == data.size) {
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struct stat file_stat;
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if (fstat(fd, &file_stat) == 0){
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result = linux_file_attributes_from_struct_stat(&file_stat);
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}
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}
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close(fd);
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} else {
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perror("open");
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}
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return result;
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}
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internal b32
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system_load_library(Arena* scratch, String_Const_u8 file_name, System_Library* out){
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LINUX_FN_DEBUG("%.*s", (int)file_name.size, file_name.str);
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void* library = dlopen((const char*)file_name.str, RTLD_LAZY);
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if (library != NULL) {
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*(void**)out = library;
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return true;
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}
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return false;
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}
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internal b32
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system_release_library(System_Library handle){
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LINUX_FN_DEBUG();
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return dlclose(*(void**)&handle) == 0;
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}
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internal Void_Func*
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system_get_proc(System_Library handle, char* proc_name){
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LINUX_FN_DEBUG("%s", proc_name);
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return (Void_Func*)dlsym(*(void**)&handle, proc_name);
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}
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internal u64
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system_now_time(void){
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//LINUX_FN_DEBUG();
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struct timespec time;
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clock_gettime(CLOCK_MONOTONIC, &time);
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return linux_us_from_timespec(time);
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}
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function void
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linux_date_time_from_tm(Date_Time *out, struct tm *in){
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out->year = in->tm_year + 1900;
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out->mon = in->tm_mon;
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out->day = in->tm_mday - 1;
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out->hour = in->tm_hour;
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out->min = in->tm_min;
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out->sec = in->tm_sec;
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out->msec = 0;
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}
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function void
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linux_tm_from_date_time(struct tm *out, Date_Time *in){
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out->tm_year = in->year - 1900;
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out->tm_mon = in->mon;
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out->tm_mday = in->day + 1;
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out->tm_hour = in->hour;
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out->tm_min = in->min;
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out->tm_sec = in->sec;
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}
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function
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system_now_date_time_universal_sig(){
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time_t now_time = time(0);
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struct tm *now_tm = gmtime(&now_time);
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Date_Time result = {};
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linux_date_time_from_tm(&result, now_tm);
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return(result);
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}
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function
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system_local_date_time_from_universal_sig(){
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struct tm univ_tm = {};
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linux_tm_from_date_time(&univ_tm, date_time);
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time_t utc_time = timegm(&univ_tm);
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struct tm *local_tm = localtime(&utc_time);
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Date_Time result = {};
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linux_date_time_from_tm(&result, local_tm);
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return(result);
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}
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function
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system_universal_date_time_from_local_sig(){
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struct tm local_tm = {};
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linux_tm_from_date_time(&local_tm, date_time);
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time_t loc_time = timelocal(&local_tm);
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struct tm *utc_tm = gmtime(&loc_time);
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Date_Time result = {};
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linux_date_time_from_tm(&result, utc_tm);
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return(result);
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}
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internal Plat_Handle
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system_wake_up_timer_create(void){
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LINUX_FN_DEBUG();
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Linux_Object* object = linux_alloc_object(LinuxObjectKind_Timer);
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dll_insert(&linuxvars.timer_objects, &object->node);
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// NOTE(inso): timers created on-demand to avoid file-descriptor exhaustion.
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object->timer.fd = -1;
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return object_to_handle(object);
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}
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internal void
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system_wake_up_timer_release(Plat_Handle handle){
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LINUX_FN_DEBUG();
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Linux_Object* object = handle_to_object(handle);
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if (object->kind == LinuxObjectKind_Timer){
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if(object->timer.fd != -1) {
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close(object->timer.fd);
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object->timer.fd = -1;
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}
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linux_free_object(object);
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}
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}
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internal void
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system_wake_up_timer_set(Plat_Handle handle, u32 time_milliseconds){
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//LINUX_FN_DEBUG("%u", time_milliseconds);
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Linux_Object* object = handle_to_object(handle);
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if (object->kind == LinuxObjectKind_Timer){
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if(object->timer.fd == -1) {
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object->timer.fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK | TFD_CLOEXEC);
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struct epoll_event ev;
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ev.events = EPOLLIN | EPOLLET | EPOLLONESHOT;
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ev.data.ptr = &object->timer.epoll_tag;
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epoll_ctl(linuxvars.epoll, EPOLL_CTL_ADD, object->timer.fd, &ev);
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}
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struct itimerspec it = {};
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it.it_value.tv_sec = time_milliseconds / 1000;
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it.it_value.tv_nsec = (time_milliseconds % 1000) * UINT64_C(1000000);
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timerfd_settime(object->timer.fd, 0, &it, NULL);
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}
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}
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internal void
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system_signal_step(u32 code){
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LINUX_FN_DEBUG("%d", code);
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linux_schedule_step();
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}
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internal void
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system_sleep(u64 microseconds){
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//LINUX_FN_DEBUG("%" PRIu64, microseconds);
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struct timespec requested;
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struct timespec remaining;
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u64 seconds = microseconds / Million(1);
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requested.tv_sec = seconds;
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requested.tv_nsec = (microseconds - seconds * Million(1)) * Thousand(1);
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nanosleep(&requested, &remaining);
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}
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internal b32
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system_cli_call(Arena* scratch, char* path, char* script, CLI_Handles* cli_out){
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LINUX_FN_DEBUG("%s / %s", path, script);
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int pipe_fds[2];
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if (pipe(pipe_fds) == -1){
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perror("system_cli_call: pipe");
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return 0;
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}
|
|
|
|
pid_t child_pid = vfork();
|
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if (child_pid == -1){
|
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perror("system_cli_call: fork");
|
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return 0;
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}
|
|
|
|
enum { PIPE_FD_READ, PIPE_FD_WRITE };
|
|
|
|
// child
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|
if (child_pid == 0){
|
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close(pipe_fds[PIPE_FD_READ]);
|
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dup2(pipe_fds[PIPE_FD_WRITE], STDOUT_FILENO);
|
|
dup2(pipe_fds[PIPE_FD_WRITE], STDERR_FILENO);
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|
|
|
if (chdir(path) == -1){
|
|
perror("system_cli_call: chdir");
|
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exit(1);
|
|
}
|
|
|
|
char* argv[] = { "sh", "-c", script, NULL };
|
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|
|
if (execv("/bin/sh", argv) == -1){
|
|
perror("system_cli_call: execv");
|
|
}
|
|
exit(1);
|
|
}
|
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else{
|
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close(pipe_fds[PIPE_FD_WRITE]);
|
|
|
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*(pid_t*)&cli_out->proc = child_pid;
|
|
*(int*)&cli_out->out_read = pipe_fds[PIPE_FD_READ];
|
|
*(int*)&cli_out->out_write = pipe_fds[PIPE_FD_WRITE];
|
|
|
|
struct epoll_event e = {};
|
|
e.events = EPOLLIN | EPOLLET;
|
|
e.data.ptr = &epoll_tag_cli_pipe;
|
|
epoll_ctl(linuxvars.epoll, EPOLL_CTL_ADD, pipe_fds[PIPE_FD_READ], &e);
|
|
}
|
|
|
|
return(true);
|
|
}
|
|
|
|
internal void
|
|
system_cli_begin_update(CLI_Handles* cli){
|
|
// NOTE(inso): I don't think anything needs to be done here.
|
|
//LINUX_FN_DEBUG();
|
|
}
|
|
|
|
internal b32
|
|
system_cli_update_step(CLI_Handles* cli, char* dest, u32 max, u32* amount){
|
|
LINUX_FN_DEBUG();
|
|
int pipe_read_fd = *(int*)&cli->out_read;
|
|
|
|
fd_set fds;
|
|
FD_ZERO(&fds);
|
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FD_SET(pipe_read_fd, &fds);
|
|
|
|
struct timeval tv = {};
|
|
|
|
size_t space_left = max;
|
|
char* ptr = dest;
|
|
|
|
while (space_left > 0 && select(pipe_read_fd + 1, &fds, NULL, NULL, &tv) == 1){
|
|
ssize_t num = read(pipe_read_fd, ptr, space_left);
|
|
if (num == -1){
|
|
perror("system_cli_update_step: read");
|
|
} else if (num == 0){
|
|
// NOTE(inso): EOF
|
|
break;
|
|
} else {
|
|
ptr += num;
|
|
space_left -= num;
|
|
}
|
|
}
|
|
|
|
*amount = (ptr - dest);
|
|
return((ptr - dest) > 0);
|
|
}
|
|
|
|
internal b32
|
|
system_cli_end_update(CLI_Handles* cli){
|
|
LINUX_FN_DEBUG();
|
|
pid_t pid = *(pid_t*)&cli->proc;
|
|
b32 close_me = false;
|
|
|
|
int status;
|
|
if (pid && waitpid(pid, &status, WNOHANG) > 0){
|
|
cli->exit = WEXITSTATUS(status);
|
|
|
|
close_me = true;
|
|
close(*(int*)&cli->out_read);
|
|
close(*(int*)&cli->out_write);
|
|
}
|
|
|
|
return(close_me);
|
|
}
|
|
|
|
internal void
|
|
system_open_color_picker(Color_Picker* picker){
|
|
// TODO?
|
|
LINUX_FN_DEBUG();
|
|
}
|
|
|
|
internal f32
|
|
system_get_screen_scale_factor(void){
|
|
LINUX_FN_DEBUG();
|
|
// TODO: correct screen number somehow
|
|
int dpi = linux_get_xsettings_dpi(linuxvars.dpy, 0);
|
|
if(dpi == -1){
|
|
int scr = DefaultScreen(linuxvars.dpy);
|
|
int dw = DisplayWidth(linuxvars.dpy, scr);
|
|
int dh = DisplayHeight(linuxvars.dpy, scr);
|
|
int dw_mm = DisplayWidthMM(linuxvars.dpy, scr);
|
|
int dh_mm = DisplayHeightMM(linuxvars.dpy, scr);
|
|
int dpi_x = dw_mm ? dw / (dw_mm / 25.4) : 96;
|
|
int dpi_y = dh_mm ? dh / (dh_mm / 25.4) : 96;
|
|
dpi = dpi_x > dpi_y ? dpi_x : dpi_y;
|
|
}
|
|
return dpi / 96.0f;
|
|
}
|
|
|
|
internal System_Thread
|
|
system_thread_launch(Thread_Function* proc, void* ptr){
|
|
LINUX_FN_DEBUG();
|
|
System_Thread result = {};
|
|
|
|
Linux_Object* thread_info = linux_alloc_object(LinuxObjectKind_Thread);
|
|
thread_info->thread.proc = proc;
|
|
thread_info->thread.ptr = ptr;
|
|
|
|
pthread_attr_t thread_attr;
|
|
pthread_attr_init(&thread_attr);
|
|
int create_result = pthread_create(
|
|
&thread_info->thread.pthread,
|
|
&thread_attr,
|
|
linux_thread_proc_start,
|
|
thread_info);
|
|
|
|
pthread_attr_destroy(&thread_attr);
|
|
|
|
// TODO(andrew): Need to wait for thread to confirm it launched?
|
|
if (create_result == 0) {
|
|
static_assert(sizeof(Linux_Object*) <= sizeof(System_Thread), "Linux_Object doesn't fit inside System_Thread");
|
|
*(Linux_Object**)&result = thread_info;
|
|
return result;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
internal void
|
|
system_thread_join(System_Thread thread){
|
|
LINUX_FN_DEBUG();
|
|
Linux_Object* object = *(Linux_Object**)&thread;
|
|
void* retval_ignored;
|
|
int result = pthread_join(object->thread.pthread, &retval_ignored);
|
|
}
|
|
|
|
internal void
|
|
system_thread_free(System_Thread thread){
|
|
LINUX_FN_DEBUG();
|
|
Linux_Object* object = *(Linux_Object**)&thread;
|
|
Assert(object->kind == LinuxObjectKind_Thread);
|
|
linux_free_object(object);
|
|
}
|
|
|
|
internal i32
|
|
system_thread_get_id(void){
|
|
pid_t id = syscall(__NR_gettid);
|
|
//LINUX_FN_DEBUG("%d", id);
|
|
return id;
|
|
}
|
|
|
|
internal void
|
|
system_acquire_global_frame_mutex(Thread_Context* tctx){
|
|
//LINUX_FN_DEBUG();
|
|
if (tctx->kind == ThreadKind_AsyncTasks ||
|
|
tctx->kind == ThreadKind_Main){
|
|
system_mutex_acquire(linuxvars.global_frame_mutex);
|
|
}
|
|
}
|
|
|
|
internal void
|
|
system_release_global_frame_mutex(Thread_Context* tctx){
|
|
//LINUX_FN_DEBUG();
|
|
if (tctx->kind == ThreadKind_AsyncTasks ||
|
|
tctx->kind == ThreadKind_Main){
|
|
system_mutex_release(linuxvars.global_frame_mutex);
|
|
}
|
|
}
|
|
|
|
internal System_Mutex
|
|
system_mutex_make(void){
|
|
System_Mutex result = {};
|
|
Linux_Object* object = linux_alloc_object(LinuxObjectKind_Mutex);
|
|
pthread_mutexattr_t attr;
|
|
pthread_mutexattr_init(&attr);
|
|
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
|
|
pthread_mutex_init(&object->mutex, &attr);
|
|
*(Linux_Object**)&result = object;
|
|
//LINUX_FN_DEBUG("%p", object);
|
|
return result;
|
|
}
|
|
|
|
internal void
|
|
system_mutex_acquire(System_Mutex mutex){
|
|
Linux_Object* object = *(Linux_Object**)&mutex;
|
|
//LINUX_FN_DEBUG("%p", object);
|
|
Assert(object->kind == LinuxObjectKind_Mutex);
|
|
pthread_mutex_lock(&object->mutex);
|
|
}
|
|
|
|
internal void
|
|
system_mutex_release(System_Mutex mutex){
|
|
Linux_Object* object = *(Linux_Object**)&mutex;
|
|
//LINUX_FN_DEBUG("%p", object);
|
|
Assert(object->kind == LinuxObjectKind_Mutex);
|
|
pthread_mutex_unlock(&object->mutex);
|
|
}
|
|
|
|
internal void
|
|
system_mutex_free(System_Mutex mutex){
|
|
Linux_Object* object = *(Linux_Object**)&mutex;
|
|
//LINUX_FN_DEBUG("%p", object);
|
|
Assert(object->kind == LinuxObjectKind_Mutex);
|
|
pthread_mutex_destroy(&object->mutex);
|
|
linux_free_object(object);
|
|
}
|
|
|
|
internal System_Condition_Variable
|
|
system_condition_variable_make(void){
|
|
System_Condition_Variable result = {};
|
|
Linux_Object* object = linux_alloc_object(LinuxObjectKind_ConditionVariable);
|
|
//LINUX_FN_DEBUG("%p", object);
|
|
pthread_cond_init(&object->condition_variable, NULL);
|
|
*(Linux_Object**)&result = object;
|
|
return result;
|
|
}
|
|
|
|
internal void
|
|
system_condition_variable_wait(System_Condition_Variable cv, System_Mutex mutex){
|
|
Linux_Object* cv_object = *(Linux_Object**)&cv;
|
|
Linux_Object* mutex_object = *(Linux_Object**)&mutex;
|
|
//LINUX_FN_DEBUG("%p / %p", cv_object, mutex_object);
|
|
Assert(cv_object->kind == LinuxObjectKind_ConditionVariable);
|
|
Assert(mutex_object->kind == LinuxObjectKind_Mutex);
|
|
pthread_cond_wait(&cv_object->condition_variable, &mutex_object->mutex);
|
|
}
|
|
|
|
internal void
|
|
system_condition_variable_signal(System_Condition_Variable cv){
|
|
Linux_Object* object = *(Linux_Object**)&cv;
|
|
//LINUX_FN_DEBUG("%p", object);
|
|
Assert(object->kind == LinuxObjectKind_ConditionVariable);
|
|
pthread_cond_signal(&object->condition_variable);
|
|
}
|
|
|
|
internal void
|
|
system_condition_variable_free(System_Condition_Variable cv){
|
|
Linux_Object* object = *(Linux_Object**)&cv;
|
|
LINUX_FN_DEBUG("%p", &object->condition_variable);
|
|
Assert(object->kind == LinuxObjectKind_ConditionVariable);
|
|
pthread_cond_destroy(&object->condition_variable);
|
|
linux_free_object(object);
|
|
}
|
|
|
|
#define MEMORY_PREFIX_SIZE 64
|
|
|
|
internal void*
|
|
system_memory_allocate(u64 size, String_Const_u8 location){
|
|
|
|
static_assert(MEMORY_PREFIX_SIZE >= sizeof(Memory_Annotation_Node), "MEMORY_PREFIX_SIZE is not enough to contain Memory_Annotation_Node");
|
|
u64 adjusted_size = size + MEMORY_PREFIX_SIZE;
|
|
|
|
Assert(adjusted_size > size);
|
|
|
|
const int prot = PROT_READ | PROT_WRITE;
|
|
const int flags = MAP_PRIVATE | MAP_ANONYMOUS;
|
|
|
|
void* result = mmap(NULL, adjusted_size, prot, flags, -1, 0);
|
|
|
|
if(result == MAP_FAILED) {
|
|
perror("mmap");
|
|
return NULL;
|
|
}
|
|
|
|
Linux_Memory_Tracker_Node* node = (Linux_Memory_Tracker_Node*)result;
|
|
node->location = location;
|
|
node->size = size;
|
|
|
|
pthread_mutex_lock(&linuxvars.memory_tracker_mutex);
|
|
zdll_push_back(linuxvars.memory_tracker_head, linuxvars.memory_tracker_tail, node);
|
|
linuxvars.memory_tracker_count++;
|
|
pthread_mutex_unlock(&linuxvars.memory_tracker_mutex);
|
|
|
|
return (u8*)result + MEMORY_PREFIX_SIZE;
|
|
}
|
|
|
|
internal b32
|
|
system_memory_set_protection(void* ptr, u64 size, u32 flags){
|
|
LINUX_FN_DEBUG("%p / %ld / %d", ptr, size, flags);
|
|
int protect = 0;
|
|
MovFlag(flags, MemProtect_Read, protect, PROT_READ);
|
|
MovFlag(flags, MemProtect_Write, protect, PROT_WRITE);
|
|
MovFlag(flags, MemProtect_Execute, protect, PROT_EXEC);
|
|
int result = mprotect(ptr, size, protect);
|
|
return result == 0;
|
|
}
|
|
|
|
internal void
|
|
system_memory_free(void* ptr, u64 size){
|
|
u64 adjusted_size = size + MEMORY_PREFIX_SIZE;
|
|
Linux_Memory_Tracker_Node* node = (Linux_Memory_Tracker_Node*)((u8*)ptr - MEMORY_PREFIX_SIZE);
|
|
|
|
pthread_mutex_lock(&linuxvars.memory_tracker_mutex);
|
|
zdll_remove(linuxvars.memory_tracker_head, linuxvars.memory_tracker_tail, node);
|
|
linuxvars.memory_tracker_count--;
|
|
pthread_mutex_unlock(&linuxvars.memory_tracker_mutex);
|
|
|
|
if(munmap(node, adjusted_size) == -1) {
|
|
perror("munmap");
|
|
}
|
|
}
|
|
|
|
internal Memory_Annotation
|
|
system_memory_annotation(Arena* arena){
|
|
LINUX_FN_DEBUG();
|
|
|
|
Memory_Annotation result;
|
|
Memory_Annotation_Node** ptr = &result.first;
|
|
|
|
pthread_mutex_lock(&linuxvars.memory_tracker_mutex);
|
|
|
|
for(Linux_Memory_Tracker_Node* node = linuxvars.memory_tracker_head; node; node = node->next) {
|
|
*ptr = push_array(arena, Memory_Annotation_Node, 1);
|
|
(*ptr)->location = node->location;
|
|
(*ptr)->size = node->size;
|
|
(*ptr)->address = (u8*)node + MEMORY_PREFIX_SIZE;
|
|
ptr = &(*ptr)->next;
|
|
result.count++;
|
|
}
|
|
|
|
pthread_mutex_unlock(&linuxvars.memory_tracker_mutex);
|
|
|
|
*ptr = NULL;
|
|
result.last = CastFromMember(Memory_Annotation_Node, next, ptr);
|
|
|
|
return result;
|
|
}
|
|
|
|
internal void
|
|
system_show_mouse_cursor(i32 show){
|
|
LINUX_FN_DEBUG("%d", show);
|
|
|
|
linuxvars.cursor_show = show;
|
|
|
|
XDefineCursor(
|
|
linuxvars.dpy,
|
|
linuxvars.win,
|
|
show ? None : linuxvars.hidden_cursor);
|
|
}
|
|
|
|
internal b32
|
|
system_set_fullscreen(b32 full_screen){
|
|
linux_window_fullscreen(full_screen ? WM_STATE_ADD : WM_STATE_DEL);
|
|
return true;
|
|
}
|
|
|
|
internal b32
|
|
system_is_fullscreen(void){
|
|
b32 result = 0;
|
|
|
|
// NOTE(inso): This will get the "true" state of fullscreen,
|
|
// even if it was toggled outside of 4coder.
|
|
// (e.g. super-F11 on some WMs sets fullscreen for any window/program)
|
|
|
|
Atom type, *prop;
|
|
unsigned long nitems, pad;
|
|
int fmt;
|
|
int ret = XGetWindowProperty(linuxvars.dpy,
|
|
linuxvars.win,
|
|
linuxvars.atom__NET_WM_STATE,
|
|
0, 32, False, XA_ATOM,
|
|
&type, &fmt, &nitems, &pad,
|
|
(unsigned char**)&prop);
|
|
|
|
if(ret == Success && prop){
|
|
result = *prop == linuxvars.atom__NET_WM_STATE_FULLSCREEN;
|
|
XFree((unsigned char*)prop);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
internal Input_Modifier_Set
|
|
system_get_keyboard_modifiers(Arena* arena){
|
|
//LINUX_FN_DEBUG();
|
|
return(copy_modifier_set(arena, &linuxvars.input.pers.modifiers));
|
|
}
|
|
|
|
function
|
|
system_set_key_mode_sig(){
|
|
linuxvars.key_mode = mode;
|
|
}
|
|
|
|
internal void
|
|
system_set_source_mixer(void* ctx, Audio_Mix_Sources_Function* mix_func){
|
|
pthread_mutex_lock(&linuxvars.audio_mutex);
|
|
linuxvars.audio_ctx = ctx;
|
|
linuxvars.audio_src_func = mix_func;
|
|
pthread_mutex_unlock(&linuxvars.audio_mutex);
|
|
}
|
|
|
|
internal void
|
|
system_set_destination_mixer(Audio_Mix_Destination_Function* mix_func){
|
|
pthread_mutex_lock(&linuxvars.audio_mutex);
|
|
linuxvars.audio_dst_func = mix_func;
|
|
pthread_mutex_unlock(&linuxvars.audio_mutex);
|
|
}
|
|
|
|
// NOTE(inso): to prevent me continuously messing up indentation
|
|
// vim: et:ts=4:sts=4:sw=4
|