1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/libexec/lib/src/process_creator_context_resource.cc Tue Feb 28 22:40:02 2023 +0100
1.3 @@ -0,0 +1,76 @@
1.4 +/*
1.5 + * A resource offering support for creating processes.
1.6 + *
1.7 + * Copyright (C) 2023 Paul Boddie <paul@boddie.org.uk>
1.8 + *
1.9 + * This program is free software; you can redistribute it and/or
1.10 + * modify it under the terms of the GNU General Public License as
1.11 + * published by the Free Software Foundation; either version 2 of
1.12 + * the License, or (at your option) any later version.
1.13 + *
1.14 + * This program is distributed in the hope that it will be useful,
1.15 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 + * GNU General Public License for more details.
1.18 + *
1.19 + * You should have received a copy of the GNU General Public License
1.20 + * along with this program; if not, write to the Free Software
1.21 + * Foundation, Inc., 51 Franklin Street, Fifth Floor,
1.22 + * Boston, MA 02110-1301, USA
1.23 + */
1.24 +
1.25 +#include <systypes/fcntl.h>
1.26 +
1.27 +#include "process_creator_resource.h"
1.28 +#include "process_creator_context_resource.h"
1.29 +#include "process_creator_context_object_server.h"
1.30 +
1.31 +#include <string.h>
1.32 +#include <stdio.h>
1.33 +
1.34 +
1.35 +
1.36 +/* Support for creating processes. */
1.37 +
1.38 +ProcessCreatorContextResource::ProcessCreatorContextResource(ProcessCreatorResource *creator)
1.39 +: SimplePager(), _creator(creator)
1.40 +{
1.41 +}
1.42 +
1.43 +ProcessCreatorContextResource::~ProcessCreatorContextResource()
1.44 +{
1.45 +}
1.46 +
1.47 +ipc_server_default_config_type ProcessCreatorContextResource::config()
1.48 +{
1.49 + return config_ProcessCreatorContextObject;
1.50 +}
1.51 +
1.52 +
1.53 +
1.54 +/* ProcessCreatorContext interface methods. */
1.55 +
1.56 +long ProcessCreatorContextResource::start(int argc, l4_cap_idx_t *process)
1.57 +{
1.58 + /* Obtain the arguments by reading from the shared memory. */
1.59 +
1.60 + const char *argv[argc];
1.61 + offset_t pos = 0;
1.62 +
1.63 + for (int i = 0; i < argc; i++)
1.64 + {
1.65 + argv[i] = get_string(pos);
1.66 +
1.67 + if (argv[i] != NULL)
1.68 + pos += strlen(argv[i]) + 1;
1.69 +
1.70 + printf("argv[%d] = %s\n", i, argv[i]);
1.71 + }
1.72 +
1.73 + /* Start the new process, obtaining a reference to it. */
1.74 +
1.75 + return _creator->start(argc, argv, process);
1.76 +}
1.77 +
1.78 +/* vim: tabstop=4 expandtab shiftwidth=4
1.79 +*/