OS lb-7 mark

semester-4/ОС/lb-7/README.md

@@ -1,7 +1,7 @@
 > [!NOTE]
 > Викладач: Мельникова Р. В.
 >
-> Оцінка: in progress
+> Оцінка: 92
 
 > [!TIP]
 > Виконано для Linux в команді.

semester-4/ОС/lb-7/src/editor/analizer.c

@@ -123,7 +123,7 @@ int main(int argc, char *argv[]) {
     fprintf(stderr, "Error: please provide time in UNIX timestamp format.\n");
     return 1;
   }
-  time_t norm_time = mktime(&tm);
+  time_t mtime = mktime(&tm);
 
   char *paths[] = {CWD, NULL};
   FTS *fts = fts_open(paths, FTS_NOCHDIR, NULL);
@@ -134,10 +134,11 @@ int main(int argc, char *argv[]) {
 
   char *buf = (char *)malloc(1024 * sizeof(char));
 
-  for (FTSENT *ent = fts_read(fts); ent != NULL; ent = fts_read(fts)) {
+  FTSENT *ent;
+  while ((ent = fts_read(fts)) != NULL) {
     switch (ent->fts_info) {
     case FTS_F:
-      if (ent->fts_statp->st_mtime > norm_time) {
+      if (ent->fts_statp->st_mtime > mtime) {
         printf(RED);
         printf("--------------------------------\n");
 
@@ -167,6 +168,12 @@ int main(int argc, char *argv[]) {
         Encoding enc = get_encoding(buf, bytes_read);
 
         printf("Lines length:");
+
+        if (enc != ENC_UTF8)
+          buf = to_utf8(buf, bytes_read, enc);
+
+        enc = ENC_UTF8;
+
         size_t lines = 0;
         size_t line_len = 0;
         for (size_t i = (enc == 2 || enc == 1) ? 2 : 0; i < bytes_read; i++) {
@@ -204,9 +211,6 @@ int main(int argc, char *argv[]) {
         }
         printf("\nTotal lines: %zu\n", lines);
 
-        if (enc != ENC_UTF8)
-          buf = to_utf8(buf, bytes_read, enc);
-
         printf(NORMAL);
         printf("%s\n", buf);
 

semester-4/ОС/lb-7/src/matrix-calc/main.c

@@ -3,7 +3,7 @@
 #include <stdlib.h>
 #include <time.h>
 
-#define MATRIX_SIZE 512
+#define MATRIX_SIZE 12
 
 typedef struct {
   double **a;
@@ -134,7 +134,7 @@ int main() {
   double sequential_time = measure_time_seq(mul_seq, a, b, r_seq, MATRIX_SIZE);
   printf("time: %f secinds\n", sequential_time);
 
-  int num_threads = 32;
+  int num_threads = 8;
   printf("\nperforming parrallel multiplication (%d threads)...\n",
          num_threads);
   double parallel_time =

semester-4/ОС/lb-7/src/threads/main.c

@@ -4,12 +4,15 @@
 
 #define NUM_THREADS 10
 
+volatile size_t count = 0;
+
 void *thread_function(void *thread_id) {
   long tid = (long)thread_id;
   printf("Begin\t%ld\n", tid);
   for (int i = 0; i < 100000; ++i)
     ;
   printf("End\t%ld\n", tid);
+  count++;
   pthread_exit(NULL);
 }
 
@@ -23,7 +26,7 @@ int main() {
   void *status;
   pthread_join(threads[0], &status);
 
-  printf("Main thread completed execution\n");
+  printf("Main thread completed execution\nCount: %zu\n", count);
 
   return 0;
 }