Changeset 7c7a3209 in mainline for uspace/lib/libc/generic/loader.c

Timestamp:

2009-10-15T18:11:05Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

7591b27d

Parents:

e035612 (diff), d8ef374 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge support for passing the current working directory to the spawned task.

File:

• uspace/lib/libc/generic/loader.c (modified) (1 diff)

uspace/lib/libc/generic/loader.c

@@ -101 +101 @@
 }
 
+/** Set current working directory for the loaded task.
+ *
+ * Sets the current working directory for the loaded task.
+ *
+ * @param ldr  Loader connection structure.
+ *
+ * @return Zero on success or negative error code.
+ *
+ */
+int loader_set_cwd(loader_t *ldr)
+{
+        char *cwd;
+        size_t len;
+
+        cwd = (char *) malloc(MAX_PATH_LEN + 1);
+        if (!cwd)
+                return ENOMEM;
+        if (!getcwd(cwd, MAX_PATH_LEN + 1))
+                str_cpy(cwd, MAX_PATH_LEN + 1, "/"); 
+        len = str_length(cwd);
+        
+        ipc_call_t answer;
+        aid_t req = async_send_0(ldr->phone_id, LOADER_SET_CWD, &answer);
+        int rc = async_data_write_start(ldr->phone_id, cwd, len);
+        free(cwd);
+        if (rc != EOK) {
+                async_wait_for(req, NULL);
+                return rc;
+        }
+        
+        ipcarg_t retval;
+        async_wait_for(req, &retval);
+        return (int) retval;
+}
+
 /** Set pathname of the program to load.
  *