mirror of
git://git.suckless.org/ubase
synced 2024-12-20 22:00:51 +00:00
54 lines
761 B
C
54 lines
761 B
C
/* See LICENSE file for copyright and license details. */
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#include <sched.h>
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#include <errno.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <string.h>
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#include "util.h"
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static void
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usage(void)
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{
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eprintf("usage: %s program [args]\n", argv0);
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}
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int
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main(int argc, char *argv[])
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{
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int flags = 0;
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ARGBEGIN {
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case 'm':
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flags |= CLONE_NEWNS;
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break;
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case 'u':
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flags |= CLONE_NEWUTS;
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break;
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case 'i':
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flags |= CLONE_NEWIPC;
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break;
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case 'n':
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flags |= CLONE_NEWNET;
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break;
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case 'p':
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flags |= CLONE_NEWPID;
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break;
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case 'U':
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flags |= CLONE_NEWUSER;
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break;
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default:
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usage();
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} ARGEND;
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if (argc < 1)
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usage();
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if (unshare(flags) < 0)
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eprintf("unshare:");
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if (execvp(argv[0], argv) < 0)
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eprintf("execvp:");
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return 0;
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}
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