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skill: new usage function

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Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2011-10-02 00:24:52 +02:00
parent 5e0306f042
commit b6578cb372
1 changed files with 59 additions and 50 deletions
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109
skill.c
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@ -229,18 +229,20 @@ static void iterate(void){
}
/***** kill help */
static void kill_usage(void) NORETURN;
static void kill_usage(void){
fprintf(stderr,
"Usage:\n"
" kill pid ... Send SIGTERM to every process listed.\n"
" kill signal pid ... Send a signal to every process listed.\n"
" kill -s signal pid ... Send a signal to every process listed.\n"
" kill -l List all signal names.\n"
" kill -L List all signal names in a nice table.\n"
" kill -l signal Convert between signal numbers and names.\n"
);
exit(1);
static void __attribute__ ((__noreturn__)) kill_usage(void)
{
fprintf(stderr,
"\nUsage: %s [options] <pid> [...]\n"
"\nOptions:\n"
" <pid> [...] send SIGTERM to every <pid> listed\n"
" -<signal> specify the <signal> to be sent\n"
" -s <signal> specify the <signal> to be sent\n"
" -l list all signal names\n"
" -L list all signal names in a nice table\n"
" -l <signal> convert between signal numbers and names\n"
"\nFor more information see kill(1).\n",
program_invocation_short_name);
exit(1);
}
/***** kill */
@ -327,44 +329,51 @@ no_more_args:
}
/***** skill/snice help */
static void skillsnice_usage(void) NORETURN;
static void skillsnice_usage(void){
if(program==PROG_SKILL){
fprintf(stderr,
"Usage: skill [signal to send] [options] process selection criteria\n"
"Example: skill -KILL -v pts/*\n"
"\n"
"The default signal is TERM. Use -l or -L to list available signals.\n"
"Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0.\n"
"Alternate signals may be specified in three ways: -SIGKILL -KILL -9\n"
);
}else{
fprintf(stderr,
"Usage: snice [new priority] [options] process selection criteria\n"
"Example: snice +7 netscape crack\n"
"\n"
"The default priority is +4. (snice +4 ...)\n"
"Priority numbers range from +20 (slowest) to -20 (fastest).\n"
"Negative priority numbers are restricted to administrative users.\n"
);
}
fprintf(stderr,
"\n"
"General options:\n"
"-f fast mode This is not currently useful.\n"
"-i interactive use You will be asked to approve each action.\n"
"-v verbose output Display information about selected processes.\n"
"-w warnings enabled This is not currently useful.\n"
"-n no action This only displays the process ID.\n"
"\n"
"Selection criteria can be: terminal, user, pid, command.\n"
"The options below may be used to ensure correct interpretation.\n"
"-t The next argument is a terminal (tty or pty).\n"
"-u The next argument is a username.\n"
"-p The next argument is a process ID number.\n"
"-c The next argument is a command name.\n"
);
exit(1);
static void __attribute__ ((__noreturn__)) skillsnice_usage(void)
{
if (program == PROG_SKILL) {
fprintf(stderr,
"\nUsage: %s [signal] [options] <expression>\n",
program_invocation_short_name);
} else {
fprintf(stderr,
"\nUsage: %s [new priority] [options] <expression>\n",
program_invocation_short_name);
}
fprintf(stderr,
"\n"
"Options:\n"
" -f fast mode (not implemented)\n"
" -i interactive\n"
" -l list all signal names\n"
" -L list all signal names in a nice table\n"
" -n no action\n"
" -v explain what is being done\n"
" -w enable warnings (not implemented)\n"
" -V, --version display version information and exit\n"
"\n"
"Expression can be: terminal, user, pid, command.\n"
"The options below may be used to ensure correct interpretation.\n"
" -c <command> expression is a command name\n"
" -p <pid> expression is a process id number\n"
" -t <tty> expression is a terminal\n"
" -u <username> expression is a username\n");
if (program == PROG_SKILL) {
fprintf(stderr,
"\n"
"The default signal is TERM. Use -l or -L to list available signals.\n"
"Particularly useful signals include HUP, INT, KILL, STOP, CONT, and 0.\n"
"Alternate signals may be specified in three ways: -SIGKILL -KILL -9\n"
"\nFor more information see skill(1).\n");
} else {
fprintf(stderr,
"\n"
"The default priority is +4. (snice +4 ...)\n"
"Priority numbers range from +20 (slowest) to -20 (fastest).\n"
"Negative priority numbers are restricted to administrative users.\n"
"\nFor more information see snice(1).\n");
}
exit(1);
}
#if 0