feat:replace boost library with C++11 std library

2020-04-01 20:53:55 +08:00
parent 6d06233944
commit d3258bbd97
1936 changed files with 241862 additions and 60153 deletions
@@ -0,0 +1,76 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <kernel/OS.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdio.h>
+
+struct pipefd {
+	int in;
+	int out;
+	int err;
+};
+
+int main(int argc, char *argv[]) {
+/* we expect the following...
+ * 
+ * argv[0] = this stub
+ * argv[1] = directory to run in...
+ * argv[2] = progname to execute
+ * rest of arguments to be passed to program
+ */
+	char *progname = argv[2];
+	char *directory = argv[1];
+	struct pipefd *pfd;
+	thread_id sender;
+	void *buffer;
+	char ** newargs;
+	int i = 0;
+	
+	newargs = (char**)malloc(sizeof(char*) * (argc - 1));
+  
+	buffer = (void*)malloc(sizeof(struct pipefd));
+	/* this will block until we get the data */
+	receive_data(&sender, buffer, sizeof(struct pipefd));
+	pfd = (struct pipefd*)buffer;
+	
+	if (pfd->in > STDERR_FILENO) {
+		if (dup2(pfd->in, STDIN_FILENO) != STDIN_FILENO) return (-1);
+	    close (pfd->in);
+	}
+	if (pfd->out > STDERR_FILENO) {
+		if (dup2(pfd->out, STDOUT_FILENO) != STDOUT_FILENO) return (-1);
+	    close (pfd->out);
+	}
+	if (pfd->err > STDERR_FILENO) {
+		if (dup2(pfd->err, STDERR_FILENO) != STDERR_FILENO) return (-1);
+	    close (pfd->err);
+	}
+
+	for	(i=3;i<=argc;i++){
+	    newargs[i-3] = argv[i];
+	}
+	
+	/* tell the caller we're OK to start */
+	send_data(sender,1,NULL,0);
+
+	if (directory != NULL)
+		chdir(directory);
+	execve (progname, newargs, environ);
+
+	return (-1);
+}