commit2

inc/custom_sem.h

@@ -0,0 +1,6 @@
+#ifndef SEMAPHORE_H
+#define SEMAPHORE_H
+
+void semOp(int semid, short sem_num, short sem_op);
+
+#endif

inc/custom_shm.h

@@ -0,0 +1,6 @@
+#ifndef SHM_H
+#define SHM_H
+
+int getShmid();
+
+#endif

inc/structures.h

@@ -0,0 +1,35 @@
+#ifndef STRUCTURES_H
+#define STRUCTURES_H
+
+#define KEYFILE "../LICENSE"
+
+// semaphore
+union semun {
+    int val;
+    struct semid_ds * buf;
+    unsigned short * array;
+};
+
+// shared memory
+typedef struct {
+    int collums;
+    int rows;
+    char player1Token;
+    char player2Token;
+} input_server_t;
+
+typedef enum {
+    EMPTY,
+    PLAYER1,
+    PLAYER2
+} tile_t;
+
+typedef struct {
+    tile_t *board;
+    input_server_t inS;
+} shm_t;
+
+static const size_t SHM_SIZE = sizeof(shm_t);
+
+
+#endif

src/custom_shm.c

@@ -0,0 +1,15 @@
+#include <sys/shm.h>
+#include <sys/stat.h>
+#include <custom_shm.h>
+#include <structures.h>
+#include <errExit.h>
+
+int getShmid() {
+    int result = shmget(ftok(KEYFILE, 'a'), SHM_SIZE, IPC_CREAT | S_IRUSR | S_IWUSR);
+    if (result == -1) {
+        errExit("shmget", "getShmid");
+    }
+    
+    return result;
+}
+