Changeset 519a97d in mainline

Timestamp:

2016-08-28T15:17:39Z (8 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

6d351e6

Parents:

75b139f

Message:

Add pager interface and create VFS pager port

Files:

• abi/include/abi/ipc/interfaces.h (modified) (1 diff)
• uspace/srv/vfs/vfs.c (modified) (4 diffs)

abi/include/abi/ipc/interfaces.h

@@ -81 +81 @@
         INTERFACE_LOADER =
             FOURCC_COMPACT('l', 'o', 'a', 'd') | IFACE_EXCHANGE_SERIALIZE,
+        INTERFACE_PAGER =
+            FOURCC_COMPACT('p', 'a', 'g', 'e') | IFACE_EXCHANGE_ATOMIC,
         INTERFACE_LOGGER_WRITER =
             FOURCC_COMPACT('l', 'o', 'g', 'w') | IFACE_EXCHANGE_SERIALIZE,

uspace/srv/vfs/vfs.c

@@ -51 +51 @@
 #define NAME  "vfs"
 
+static void vfs_pager(ipc_callid_t iid, ipc_call_t *icall, void *arg)
+{
+        async_answer_0(iid, ENOTSUP);
+}
+
 static void vfs_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)
 {
@@ -150 +155 @@
 int main(int argc, char **argv)
 {
+        int rc;
+
         printf("%s: HelenOS VFS server\n", NAME);
         
@@ -179 +186 @@
 
         /*
+         * Create a port for the pager.
+         */
+        port_id_t port;
+        rc = async_create_port(INTERFACE_PAGER, vfs_pager, NULL, &port);
+        if (rc != EOK)
+                return rc;
+                
+        /*
          * Set a connection handling function/fibril.
          */
@@ -192 +207 @@
          * Register at the naming service.
          */
-        int rc = service_register(SERVICE_VFS);
+        rc = service_register(SERVICE_VFS);
         if (rc != EOK) {
                 printf("%s: Cannot register VFS service\n", NAME);