Add glibc_patches

glibc_patches/sysdeps/unix/sysv/linux/shmget.c

@@ -0,0 +1,46 @@
+#include <sys/msg.h>
+#include <stddef.h>
+#include <ipc_priv.h>
+#include <sysdep.h>
+#include <android_sysvshm.h>
+
+#define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
+
+/* Return an identifier for an shared memory segment of at least size SIZE
+   which is associated with KEY.  */
+
+int shmget(key_t key, size_t size, int flags) {
+    if (key != IPC_PRIVATE) return -1;
+    
+    pthread_mutex_lock(&sysvshm_mutex);
+        
+    sysvshm_connect();
+    int shmid = sysvshm_shmget_request(size);
+    if (shmid == 0) {
+        sysvshm_close();
+        pthread_mutex_unlock(&sysvshm_mutex);
+        return -1;
+    }
+    
+    size = ROUND_UP(size, getpagesize());
+    int index = shmemory_count;
+    shmemory_count++;
+    shmemories = realloc(shmemories, shmemory_count * sizeof(shmemory_t));
+    shmemories[index].size = size;
+    shmemories[index].fd = sysvshm_get_fd_request(shmid);
+    shmemories[index].addr = NULL;
+    shmemories[index].id = shmid;
+    shmemories[index].marked_for_delete = 0;
+    
+    sysvshm_close();
+    
+    if (shmemories[index].fd < 0) {
+        shmemory_count--;
+        shmemories = realloc(shmemories, shmemory_count * sizeof(shmemory_t));
+        pthread_mutex_unlock(&sysvshm_mutex);
+        return -1;
+    }
+    
+    pthread_mutex_unlock(&sysvshm_mutex);
+    return shmid;
+}