67 lines
1.5 KiB
C++
67 lines
1.5 KiB
C++
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/*
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* Copyright 2005-2007, Ingo Weinhold, [email protected].
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* Distributed under the terms of the MIT License.
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*/
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#include "fs_shell_command_beos.h"
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#include <stdio.h>
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#include <string.h>
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#include <OS.h>
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#include "fs_shell_command.h"
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bool
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send_external_command(const char *command, int *result)
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{
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external_command_message message;
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strncpy(message.command, command, sizeof(message.command));
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// find the command port
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port_id commandPort = find_port(kFSShellCommandPort);
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if (commandPort < 0) {
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fprintf(stderr, "Error: Couldn't find fs_shell command port.\n");
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return false;
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}
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// create a reply port
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port_id replyPort = create_port(1, "fs shell reply port");
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if (replyPort < 0) {
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fprintf(stderr, "Error: Failed to create a reply port: %s\n",
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strerror(replyPort));
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return false;
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}
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message.reply_port = replyPort;
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// send the command message
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status_t error;
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do {
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error = write_port(commandPort, 0, &message, sizeof(message));
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} while (error == B_INTERRUPTED);
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if (error != B_OK) {
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fprintf(stderr, "Error: Failed to send command: %s\n", strerror(error));
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return false;
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}
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// wait for the reply
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external_command_reply reply;
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ssize_t bytesRead;
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do {
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int32 code;
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bytesRead = read_port(replyPort, &code, &reply, sizeof(reply));
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} while (bytesRead == B_INTERRUPTED);
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if (bytesRead < 0) {
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fprintf(stderr, "Error: Failed to read reply from fs_shell: %s\n",
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strerror(bytesRead));
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return false;
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}
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*result = reply.error;
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return true;
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}
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