Revision d85a58fe mnexec.c
| mnexec.c | ||
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#include <limits.h> |
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#include <sched.h> |
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#if !defined(VERSION) |
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#define VERSION "(devel)" |
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#endif |
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void usage(char *name) |
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{
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printf("Execution utility for Mininet.\n"
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"usage: %s [-cdnp] [-a pid] [-g group] [-r rtprio] cmd args...\n" |
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"-c: close all file descriptors except stdin/out/error\n" |
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"-d: detach from tty by calling setsid()\n" |
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"-n: run in new network namespace\n" |
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"-p: print ^A + pid\n" |
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"-a pid: attach to pid's network namespace\n" |
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"-g group: add to cgroup\n" |
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"-r rtprio: run with SCHED_RR (usually requires -g)\n", |
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printf("Execution utility for Mininet\n\n"
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"Usage: %s [-cdnp] [-a pid] [-g group] [-r rtprio] cmd args...\n\n" |
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"Options:\n" |
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" -c: close all file descriptors except stdin/out/error\n" |
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" -d: detach from tty by calling setsid()\n" |
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" -n: run in new network namespace\n" |
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" -p: print ^A + pid\n" |
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" -a pid: attach to pid's network namespace\n" |
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" -g group: add to cgroup\n" |
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" -r rtprio: run with SCHED_RR (usually requires -g)\n" |
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" -v: print version\n", |
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name); |
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} |
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|
| ... | ... | |
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int nsid; |
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int pid; |
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static struct sched_param sp; |
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while ((c = getopt(argc, argv, "+cdnpa:g:r:")) != -1) |
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while ((c = getopt(argc, argv, "+cdnpa:g:r:vh")) != -1)
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switch(c) {
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case 'c': |
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/* close file descriptors except stdin/out/error */ |
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return 1; |
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} |
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break; |
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case 'v': |
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printf("%s\n", VERSION);
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exit(0); |
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case 'h': |
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usage(argv[0]); |
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exit(0); |
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default: |
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usage(argv[0]); |
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break;
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exit(1);
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} |
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if (optind < argc) {
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