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removed the recreation and destruction of threads

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nova
2025-08-23 21:44:03 +02:00
parent a0a102e5f6
commit 963a018419
2 changed files with 208 additions and 185 deletions
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27
main.c
View File

@@ -59,6 +59,11 @@ int main(){
char threading = 0; char threading = 0;
terminal_width_empty_line = malloc(terminal_width); terminal_width_empty_line = malloc(terminal_width);
pthread_create(&thread_t, NULL, thread_top, &status); /*top bar*/
pthread_create(&thread_l, NULL, thread_lft, &status); /*parent_content slash win_l*/
pthread_create(&thread_m, NULL, thread_mid, &status); /*current_content slash win_m*/
pthread_create(&thread_r, NULL, thread_rgt, &status); /*child_content slash win_r*/
pthread_create(&thread_b, NULL, thread_btm, &status); /*bottom bar*/
while(!(status & STATUS_QUIT_PROGRAM)){ while(!(status & STATUS_QUIT_PROGRAM)){
getmaxyx(stdscr, terminal_height, terminal_width); getmaxyx(stdscr, terminal_height, terminal_width);
@@ -67,29 +72,17 @@ int main(){
status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_RESIZE); status |= (STATUS_RUN_BACKEND | STATUS_UPDATE_SCREEN_RESIZE);
temp_width = terminal_width; temp_width = terminal_width;
temp_heigth = terminal_height; temp_heigth = terminal_height;
}
if (status & STATUS_RUN_BACKEND && threading) {
pthread_cancel(thread_b);
pthread_cancel(thread_r);
pthread_cancel(thread_m);
pthread_cancel(thread_l);
pthread_cancel(thread_t);
} }
if (threading) { if (threading) {
status &= ~(STATUS_RELOAD_DIRECTORY); status &= ~(STATUS_RELOAD_DIRECTORY);
pthread_join(thread_t, NULL);
pthread_join(thread_l, NULL);
pthread_join(thread_m, NULL);
pthread_join(thread_b, NULL);
pthread_join(thread_r, NULL);
threading = 0; threading = 0;
} }
if (status & STATUS_RUN_BACKEND) { if (status & STATUS_RUN_BACKEND) {
pthread_create(&thread_t, NULL, thread_top, &status); /*top bar*/ pthread_cond_signal(&cond_top);
pthread_create(&thread_l, NULL, thread_lft, &status); /*parent_content slash win_l*/ pthread_cond_signal(&cond_lft);
pthread_create(&thread_m, NULL, thread_mid, &status); /*current_content slash win_m*/ pthread_cond_signal(&cond_mid);
pthread_create(&thread_b, NULL, thread_btm, &status); /*bottom bar*/ pthread_cond_signal(&cond_rgt);
pthread_create(&thread_r, NULL, thread_rgt, &status); /*child_content slash win_r*/ pthread_cond_signal(&cond_btm);
status &= ~(STATUS_RUN_BACKEND); status &= ~(STATUS_RUN_BACKEND);
status |= STATUS_UPDATE_SCREEN_0; status |= STATUS_UPDATE_SCREEN_0;
threading = 1; threading = 1;

56
threading.c
View File

@@ -20,6 +20,12 @@ pthread_mutex_t mutex_rgt;
pthread_mutex_t mutex_selection; pthread_mutex_t mutex_selection;
pthread_mutex_t mutex_wait; pthread_mutex_t mutex_wait;
pthread_cond_t cond_wait; pthread_cond_t cond_wait;
pthread_cond_t cond_mid;
pthread_cond_t cond_rgt;
pthread_cond_t cond_lft;
pthread_cond_t cond_top;
pthread_cond_t cond_btm;
volatile char wait_count; /* this is used to determine how many threads are waiting for cont_wait */ volatile char wait_count; /* this is used to determine how many threads are waiting for cont_wait */
file *rgt_content; file *rgt_content;
@@ -42,12 +48,15 @@ unsigned long top_width;
volatile unsigned long selected_file_current = 0; volatile unsigned long selected_file_current = 0;
volatile unsigned long selected_file_last = 0; volatile unsigned long selected_file_last = 0;
extern unsigned int terminal_width; extern unsigned int terminal_width;
extern unsigned int status;
void *thread_mid(void *data){ void *thread_mid(void *data){
unsigned int status = *(unsigned int*)data; unsigned int local_status = *(unsigned int*)data;
pthread_mutex_lock(&mutex_mid);
while(!(status & STATUS_QUIT_PROGRAM)){
pthread_mutex_lock(&mutex_mid);
pthread_cond_wait(&cond_mid, &mutex_mid);
char *path; char *path;
if((path=getcwd(NULL, 0)) == NULL) { if((path=getcwd(NULL, 0)) == NULL) {
@@ -57,7 +66,7 @@ void *thread_mid(void *data){
} else { } else {
if (status & STATUS_RELOAD_DIRECTORY) { if (local_status & STATUS_RELOAD_DIRECTORY) {
unsigned long i = 0; unsigned long i = 0;
for (i = 0; i < mid_file_count; i++) { for (i = 0; i < mid_file_count; i++) {
free(mid_content[i].file_name); free(mid_content[i].file_name);
@@ -113,11 +122,15 @@ void *thread_mid(void *data){
} }
free(path); free(path);
pthread_mutex_unlock(&mutex_mid); pthread_mutex_unlock(&mutex_mid);
}
pthread_exit(0); pthread_exit(0);
} }
void *thread_lft(void *data){ void *thread_lft(void *data){
unsigned int status = *(unsigned int*)data; unsigned int local_status = *(unsigned int*)data;
while(!(status & STATUS_QUIT_PROGRAM)){
pthread_mutex_lock(&mutex_lft); pthread_mutex_lock(&mutex_lft);
pthread_cond_wait(&cond_lft, &mutex_lft);
char *path; char *path;
if((path=getcwd(NULL, 0)) == NULL) { if((path=getcwd(NULL, 0)) == NULL) {
@@ -129,7 +142,7 @@ void *thread_lft(void *data){
path[strrchr(path, '/')-path] = '\0'; path[strrchr(path, '/')-path] = '\0';
path[0] = '/'; path[0] = '/';
if (status & STATUS_RELOAD_DIRECTORY) { if (local_status & STATUS_RELOAD_DIRECTORY) {
lft_file_count = get_dir_size(path); lft_file_count = get_dir_size(path);
free(lft_content); free(lft_content);
lft_content = malloc(lft_file_count * sizeof(file)); lft_content = malloc(lft_file_count * sizeof(file));
@@ -140,15 +153,18 @@ void *thread_lft(void *data){
} }
free(path); free(path);
pthread_mutex_unlock(&mutex_lft); pthread_mutex_unlock(&mutex_lft);
}
pthread_exit(0); pthread_exit(0);
} }
void *thread_rgt(void *data){ void *thread_rgt(void *data){
unsigned int status = *(unsigned int*)data; unsigned int local_status = *(unsigned int*)data;
(void)status; (void)local_status;
while(!(status & STATUS_QUIT_PROGRAM)){
pthread_mutex_lock(&mutex_rgt); pthread_mutex_lock(&mutex_rgt);
pthread_cond_wait(&cond_rgt, &mutex_rgt);
pthread_mutex_lock(&mutex_wait); pthread_mutex_lock(&mutex_wait);
wait_count++; wait_count++;
pthread_cond_wait(&cond_wait, &mutex_wait); pthread_cond_wait(&cond_wait, &mutex_wait);
@@ -161,7 +177,7 @@ void *thread_rgt(void *data){
strcpy(path, file_current->file_name); strcpy(path, file_current->file_name);
unsigned char file_current_type = file_current->file_type; unsigned char file_current_type = file_current->file_type;
unsigned long file_current_size = file_current->file_size; unsigned long file_current_size = file_current->file_size;
char file_current_status = file_current->status; char file_current_local_status = file_current->status;
pthread_mutex_unlock(&mutex_selection); pthread_mutex_unlock(&mutex_selection);
if (file_current_type == FILE_TYPE_DIR || file_current_type == FILE_TYPE_SYMLINK) { if (file_current_type == FILE_TYPE_DIR || file_current_type == FILE_TYPE_SYMLINK) {
@@ -193,7 +209,7 @@ void *thread_rgt(void *data){
rgt_content = malloc(sizeof(file)); rgt_content = malloc(sizeof(file));
free(rgt_buffer); free(rgt_buffer);
if (file_current_status & FILE_STATUS_DIR_EMPTY) { if (file_current_local_status & FILE_STATUS_DIR_EMPTY) {
rgt_buffer = "empty dir"; rgt_buffer = "empty dir";
} else { } else {
rgt_content->file_type = FILE_TYPE_OPEN_FILE; rgt_content->file_type = FILE_TYPE_OPEN_FILE;
@@ -204,13 +220,17 @@ void *thread_rgt(void *data){
free(path); free(path);
pthread_mutex_unlock(&mutex_rgt); pthread_mutex_unlock(&mutex_rgt);
}
pthread_exit(0); pthread_exit(0);
} }
void *thread_top(void *data){ void *thread_top(void *data){
unsigned int status = *(unsigned int*)data; unsigned int local_status = *(unsigned int*)data;
(void)status; (void)local_status;
while(!(status & STATUS_QUIT_PROGRAM)){
pthread_mutex_lock(&mutex_top); pthread_mutex_lock(&mutex_top);
pthread_cond_wait(&cond_top, &mutex_top);
free(top_buffer); free(top_buffer);
char *path; char *path;
@@ -225,13 +245,17 @@ void *thread_top(void *data){
free(path); free(path);
pthread_mutex_unlock(&mutex_top); pthread_mutex_unlock(&mutex_top);
}
pthread_exit(0); pthread_exit(0);
} }
void *thread_btm(void *data){ void *thread_btm(void *data){
unsigned int status = *(unsigned int*)data; unsigned int local_status = *(unsigned int*)data;
(void)status; (void)local_status;
while(!(status & STATUS_QUIT_PROGRAM)){
pthread_mutex_lock(&mutex_btm); pthread_mutex_lock(&mutex_btm);
pthread_cond_wait(&cond_btm, &mutex_btm);
pthread_mutex_lock(&mutex_wait); pthread_mutex_lock(&mutex_wait);
wait_count++; wait_count++;
pthread_cond_wait(&cond_wait, &mutex_wait); pthread_cond_wait(&cond_wait, &mutex_wait);
@@ -255,6 +279,7 @@ void *thread_btm(void *data){
pthread_mutex_unlock(&mutex_btm); pthread_mutex_unlock(&mutex_btm);
}
pthread_exit(0); pthread_exit(0);
} }
@@ -295,6 +320,11 @@ void threading_init(){
vol = pthread_mutex_init(&mutex_selection, NULL); vol = pthread_mutex_init(&mutex_selection, NULL);
vol = pthread_mutex_init(&mutex_wait, NULL); vol = pthread_mutex_init(&mutex_wait, NULL);
vol = pthread_cond_init(&cond_wait, NULL); vol = pthread_cond_init(&cond_wait, NULL);
vol = pthread_cond_init(&cond_rgt, NULL);
vol = pthread_cond_init(&cond_lft, NULL);
vol = pthread_cond_init(&cond_mid, NULL);
vol = pthread_cond_init(&cond_top, NULL);
vol = pthread_cond_init(&cond_btm, NULL);
vol; vol;
selected_file_current = 0; selected_file_current = 0;
selected_file_last = 0; selected_file_last = 0;