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container/Sources/CShim/include/exec_command.h
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2025-06-12 09:57:35 -04:00

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C

/*
* Copyright © 2025 Apple Inc. and the Containerization project authors. All rights reserved.
*
* Licensed 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
*
* https://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.
*/
#ifndef exec_command_h
#define exec_command_h
#include <sys/types.h>
#include <unistd.h>
struct exec_command_attrs {
int setpgid;
/// parent group id
pid_t pgid;
/// set the controlling terminal
int setctty;
/// controlling terminal fd
int ctty;
/// set the process as session leader
int setsid;
/// set the process user id
uid_t uid;
/// set the process group id
gid_t gid;
/// signal mask for the child process
int mask;
};
void exec_command_attrs_init(struct exec_command_attrs *attrs);
/// spawn a new child process with the provided attrs
int exec_command(pid_t *result, const char *executable, char *const argv[],
char *const envp[], const int file_handles[],
const int file_handle_count, const char *working_directory,
struct exec_command_attrs *attrs);
#endif /* exec_command_h */