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prlimit: improve --help output 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2021-10-01 14:47:04 +02:00
parent df6b29d3b8
commit 3d6a3d6d2a
1 changed files with 9 additions and 4 deletions
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13
sys-utils/prlimit.c
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@ -159,14 +159,14 @@ static void __attribute__((__noreturn__)) usage(void)
fputs(USAGE_HEADER, out);
fprintf(out,
_(" %s [options] [-p PID]\n"), program_invocation_short_name);
_(" %s [options] [--<resource>=<limit>] [-p PID]\n"), program_invocation_short_name);
fprintf(out,
_(" %s [options] COMMAND\n"), program_invocation_short_name);
_(" %s [options] [--<resource>=<limit>] COMMAND\n"), program_invocation_short_name);
fputs(USAGE_SEPARATOR, out);
fputs(_("Show or change the resource limits of a process.\n"), out);
fputs(_("\nGeneral Options:\n"), out);
fputs(USAGE_OPTIONS, out);
fputs(_(" -p, --pid <pid> process id\n"
" -o, --output <list> define which output columns to use\n"
" --noheadings don't print headings\n"
@ -175,7 +175,7 @@ static void __attribute__((__noreturn__)) usage(void)
), out);
printf(USAGE_HELP_OPTIONS(24));
fputs(_("\nResources Options:\n"), out);
fputs(_("\nResources:\n"), out);
fputs(_(" -c, --core maximum size of core files created\n"
" -d, --data maximum size of a process's data segment\n"
" -e, --nice maximum nice priority allowed to raise\n"
@ -194,6 +194,11 @@ static void __attribute__((__noreturn__)) usage(void)
" -y, --rttime CPU time in microseconds a process scheduled\n"
" under real-time scheduling\n"), out);
fputs(USAGE_ARGUMENTS, out);
fputs(_(
" <limit> is defined as a range soft:hard, soft:, :hard or a value to\n"
" define both limits (e.g. -e=0:10 -r=:10).\n"), out);
fputs(USAGE_COLUMNS, out);
for (i = 0; i < ARRAY_SIZE(infos); i++)
fprintf(out, " %11s %s\n", infos[i].name, _(infos[i].help));