*
*/
+#include <ctype.h> /* for isdigit() */
+#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include <ctype.h> /* for isdigit() */
#include <unistd.h>
-#include <signal.h>
#include "c.h"
-#include "nls.h"
#include "closestream.h"
+#include "nls.h"
#include "procutils.h"
#include "strutils.h"
#include "ttyutils.h"
} sys_signame[] = {
/* POSIX signals */
{ "HUP", SIGHUP }, /* 1 */
- { "INT", SIGINT }, /* 2 */
- { "QUIT", SIGQUIT }, /* 3 */
- { "ILL", SIGILL }, /* 4 */
+ { "INT", SIGINT }, /* 2 */
+ { "QUIT", SIGQUIT }, /* 3 */
+ { "ILL", SIGILL }, /* 4 */
#ifdef SIGTRAP
{ "TRAP", SIGTRAP }, /* 5 */
#endif
- { "ABRT", SIGABRT }, /* 6 */
+ { "ABRT", SIGABRT }, /* 6 */
#ifdef SIGIOT
- { "IOT", SIGIOT }, /* 6, same as SIGABRT */
+ { "IOT", SIGIOT }, /* 6, same as SIGABRT */
#endif
#ifdef SIGEMT
- { "EMT", SIGEMT }, /* 7 (mips,alpha,sparc*) */
+ { "EMT", SIGEMT }, /* 7 (mips,alpha,sparc*) */
#endif
#ifdef SIGBUS
{ "BUS", SIGBUS }, /* 7 (arm,i386,m68k,ppc), 10 (mips,alpha,sparc*) */
#endif
- { "FPE", SIGFPE }, /* 8 */
- { "KILL", SIGKILL }, /* 9 */
- { "USR1", SIGUSR1 }, /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */
- { "SEGV", SIGSEGV }, /* 11 */
- { "USR2", SIGUSR2 }, /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */
- { "PIPE", SIGPIPE }, /* 13 */
- { "ALRM", SIGALRM }, /* 14 */
- { "TERM", SIGTERM }, /* 15 */
+ { "FPE", SIGFPE }, /* 8 */
+ { "KILL", SIGKILL }, /* 9 */
+ { "USR1", SIGUSR1 }, /* 10 (arm,i386,m68k,ppc), 30 (alpha,sparc*), 16 (mips) */
+ { "SEGV", SIGSEGV }, /* 11 */
+ { "USR2", SIGUSR2 }, /* 12 (arm,i386,m68k,ppc), 31 (alpha,sparc*), 17 (mips) */
+ { "PIPE", SIGPIPE }, /* 13 */
+ { "ALRM", SIGALRM }, /* 14 */
+ { "TERM", SIGTERM }, /* 15 */
#ifdef SIGSTKFLT
{ "STKFLT", SIGSTKFLT }, /* 16 (arm,i386,m68k,ppc) */
#endif
- { "CHLD", SIGCHLD }, /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */
+ { "CHLD", SIGCHLD }, /* 17 (arm,i386,m68k,ppc), 20 (alpha,sparc*), 18 (mips) */
#ifdef SIGCLD
{ "CLD", SIGCLD }, /* same as SIGCHLD (mips) */
#endif
- { "CONT", SIGCONT }, /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */
+ { "CONT", SIGCONT }, /* 18 (arm,i386,m68k,ppc), 19 (alpha,sparc*), 25 (mips) */
{ "STOP", SIGSTOP }, /* 19 (arm,i386,m68k,ppc), 17 (alpha,sparc*), 23 (mips) */
{ "TSTP", SIGTSTP }, /* 20 (arm,i386,m68k,ppc), 18 (alpha,sparc*), 24 (mips) */
{ "TTIN", SIGTTIN }, /* 21 (arm,i386,m68k,ppc,alpha,sparc*), 26 (mips) */
{ "INFO", SIGINFO }, /* 29 (alpha) */
#endif
#ifdef SIGLOST
- { "LOST", SIGLOST }, /* 29 (arm,i386,m68k,ppc,sparc*) */
+ { "LOST", SIGLOST }, /* 29 (arm,i386,m68k,ppc,sparc*) */
#endif
#ifdef SIGPWR
{ "PWR", SIGPWR }, /* 30 (arm,i386,m68k,ppc), 29 (alpha,sparc*), 19 (mips) */
{ "UNUSED", SIGUNUSED }, /* 31 (arm,i386,m68k,ppc) */
#endif
#ifdef SIGSYS
- { "SYS", SIGSYS }, /* 31 (mips,alpha,sparc*) */
+ { "SYS", SIGSYS }, /* 31 (mips,alpha,sparc*) */
#endif
};
-static int arg_to_signum (char *arg, int mask);
-static void nosig (char *name);
-static void printsig (int sig);
-static void printsignals (FILE *fp, int pretty);
-static int usage (int status);
-static int kill_verbose (char *procname, int pid, int sig);
+static int arg_to_signum(char *arg, int mask);
+static void nosig(char *name);
+static void printsig(int sig);
+static void printsignals(FILE *fp, int pretty);
+static int usage(int status);
+static int kill_verbose(char *procname, int pid, int sig);
#ifdef HAVE_SIGQUEUE
static int use_sigval;
static union sigval sigdata;
#endif
-int main (int argc, char *argv[])
+int main(int argc, char **argv)
{
- int errors, numsig, pid;
- char *ep, *arg;
- int do_pid, do_kill, check_all;
-
- setlocale(LC_ALL, "");
- bindtextdomain(PACKAGE, LOCALEDIR);
- textdomain(PACKAGE);
- atexit(close_stdout);
-
- numsig = SIGTERM;
- do_pid = (! strcmp (program_invocation_short_name, "pid")); /* Yecch */
- do_kill = 0;
- check_all = 0;
-
- /* loop through the arguments.
- actually, -a is the only option can be used with other options.
- `kill' is basically a one-option-at-most program. */
- for (argc--, argv++; argc > 0; argc--, argv++) {
- arg = *argv;
- if (*arg != '-') {
- break;
- }
- if (! strcmp (arg, "--")) {
- argc--, argv++;
- break;
- }
- if (! strcmp (arg, "-v") || ! strcmp (arg, "-V") ||
- ! strcmp (arg, "--version")) {
- printf(UTIL_LINUX_VERSION);
- return EXIT_SUCCESS;
- }
- if (! strcmp (arg, "-h") || ! strcmp (arg, "--help"))
- return usage(EXIT_FAILURE);
-
- if (! strcmp (arg, "-a") || ! strcmp (arg, "--all")) {
- check_all++;
- continue;
- }
- if (! strcmp (arg, "-l") || ! strcmp (arg, "--list")) {
- if (argc < 2) {
- printsignals (stdout, 0);
- return EXIT_SUCCESS;
- }
- if (argc > 2)
- return usage (EXIT_FAILURE);
- /* argc == 2, accept "kill -l $?" */
- arg = argv[1];
- if ((numsig = arg_to_signum (arg, 1)) < 0)
- errx(EXIT_FAILURE, _("unknown signal: %s"), arg);
- printsig (numsig);
- return EXIT_SUCCESS;
- }
- /* for compatibility with procps kill(1) */
- if (! strncmp (arg, "--list=", 7) || ! strncmp (arg, "-l=", 3)) {
- char *p = strchr(arg, '=') + 1;
- if ((numsig = arg_to_signum(p, 1)) < 0)
- errx(EXIT_FAILURE, _("unknown signal: %s"), p);
- printsig (numsig);
- return EXIT_SUCCESS;
- }
- if (! strcmp (arg, "-L") || ! strcmp (arg, "--table")) {
- printsignals (stdout, 1);
- return EXIT_SUCCESS;
- }
- if (! strcmp (arg, "-p") || ! strcmp (arg, "--pid")) {
- do_pid++;
- if (do_kill)
- return usage (EXIT_FAILURE);
- continue;
- }
- if (! strcmp (arg, "-s") || ! strcmp (arg, "--signal")) {
- if (argc < 2) {
- return usage (EXIT_FAILURE);
- }
- do_kill++;
- if (do_pid)
- return usage (EXIT_FAILURE);
- argc--, argv++;
- arg = *argv;
- if ((numsig = arg_to_signum (arg, 0)) < 0) {
- nosig (arg);
- return EXIT_FAILURE;
- }
- continue;
- }
- if (! strcmp (arg, "-q") || ! strcmp (arg, "--queue")) {
- if (argc < 2)
- return usage (EXIT_FAILURE);
- argc--, argv++;
- arg = *argv;
+ int errors, numsig, pid;
+ char *ep, *arg;
+ int do_pid, do_kill, check_all;
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE, LOCALEDIR);
+ textdomain(PACKAGE);
+ atexit(close_stdout);
+
+ numsig = SIGTERM;
+ do_pid = (!strcmp(program_invocation_short_name, "pid")); /* Yecch */
+ do_kill = 0;
+ check_all = 0;
+ /* Loop through the arguments. Actually, -a is the only option
+ * can be used with other options. The 'kill' is basically a
+ * one-option-at-most program. */
+ for (argc--, argv++; argc > 0; argc--, argv++) {
+ arg = *argv;
+ if (*arg != '-')
+ break;
+ if (!strcmp(arg, "--")) {
+ argc--, argv++;
+ break;
+ }
+ if (!strcmp(arg, "-v") || !strcmp(arg, "-V") ||
+ !strcmp(arg, "--version")) {
+ printf(UTIL_LINUX_VERSION);
+ return EXIT_SUCCESS;
+ }
+ if (!strcmp(arg, "-h") || !strcmp(arg, "--help"))
+ return usage(EXIT_FAILURE);
+
+ if (!strcmp(arg, "-a") || !strcmp(arg, "--all")) {
+ check_all++;
+ continue;
+ }
+ if (!strcmp(arg, "-l") || !strcmp(arg, "--list")) {
+ if (argc < 2) {
+ printsignals(stdout, 0);
+ return EXIT_SUCCESS;
+ }
+ if (argc > 2)
+ return usage(EXIT_FAILURE);
+ /* argc == 2, accept "kill -l $?" */
+ arg = argv[1];
+ if ((numsig = arg_to_signum(arg, 1)) < 0)
+ errx(EXIT_FAILURE, _("unknown signal: %s"),
+ arg);
+ printsig(numsig);
+ return EXIT_SUCCESS;
+ }
+ /* for compatibility with procps kill(1) */
+ if (!strncmp(arg, "--list=", 7) || !strncmp(arg, "-l=", 3)) {
+ char *p = strchr(arg, '=') + 1;
+ if ((numsig = arg_to_signum(p, 1)) < 0)
+ errx(EXIT_FAILURE, _("unknown signal: %s"), p);
+ printsig(numsig);
+ return EXIT_SUCCESS;
+ }
+ if (!strcmp(arg, "-L") || !strcmp(arg, "--table")) {
+ printsignals(stdout, 1);
+ return EXIT_SUCCESS;
+ }
+ if (!strcmp(arg, "-p") || !strcmp(arg, "--pid")) {
+ do_pid++;
+ if (do_kill)
+ return usage(EXIT_FAILURE);
+ continue;
+ }
+ if (!strcmp(arg, "-s") || !strcmp(arg, "--signal")) {
+ if (argc < 2)
+ return usage(EXIT_FAILURE);
+ do_kill++;
+ if (do_pid)
+ return usage(EXIT_FAILURE);
+ argc--, argv++;
+ arg = *argv;
+ if ((numsig = arg_to_signum(arg, 0)) < 0) {
+ nosig(arg);
+ return EXIT_FAILURE;
+ }
+ continue;
+ }
+ if (!strcmp(arg, "-q") || !strcmp(arg, "--queue")) {
+ if (argc < 2)
+ return usage(EXIT_FAILURE);
+ argc--, argv++;
+ arg = *argv;
#ifdef HAVE_SIGQUEUE
- sigdata.sival_int = strtos32_or_err(arg, _("invalid sigval argument"));
- use_sigval = 1;
+ sigdata.sival_int =
+ strtos32_or_err(arg, _("invalid sigval argument"));
+ use_sigval = 1;
#endif
- continue;
- }
- /* `arg' begins with a dash but is not a known option.
- so it's probably something like -HUP, or -1/-n
- try to deal with it.
- -n could be signal n, or pid -n (i.e. process group n).
- In case of doubt POSIX tells us to assume a signal.
- If a signal has been parsed, assume it's a pid, break */
- if (do_kill)
- break;
- arg++;
- if ((numsig = arg_to_signum (arg, 0)) < 0) {
- return usage (EXIT_FAILURE);
+ continue;
+ }
+ /* 'arg' begins with a dash but is not a known option.
+ * So it's probably something like -HUP, or -1/-n try to
+ * deal with it.
+ *
+ * -n could be signal n, or pid -n (i.e., process group
+ * number). In case of doubt POSIX tells us to assume a
+ * signal. If a signal has been parsed, assume it is a
+ * pid, break. */
+ if (do_kill)
+ break;
+ arg++;
+ if ((numsig = arg_to_signum(arg, 0)) < 0)
+ return usage(EXIT_FAILURE);
+ do_kill++;
+ if (do_pid)
+ return usage(EXIT_FAILURE);
+ continue;
}
- do_kill++;
+ if (!*argv)
+ return usage(EXIT_FAILURE);
if (do_pid)
- return usage (EXIT_FAILURE);
- continue;
- }
-
- if (! *argv) {
- return usage (EXIT_FAILURE);
- }
- if (do_pid) {
- numsig = -1;
- }
-
- /* we're done with the options.
- the rest of the arguments should be process ids and names.
- kill them. */
- for (errors = 0; (arg = *argv) != NULL; argv++) {
- pid = strtol (arg, &ep, 10);
- if (! *ep)
- errors += kill_verbose (arg, pid, numsig);
- else {
- struct proc_processes *ps = proc_open_processes();
- int ct = 0;
-
- if (!ps)
- continue;
-
- if (!check_all)
- proc_processes_filter_by_uid(ps, getuid());
-
- proc_processes_filter_by_name(ps, arg);
-
- while (proc_next_pid(ps, &pid) == 0) {
- errors += kill_verbose(arg, pid, numsig);
- ct++;
- }
-
- if (!ct) {
- errors++;
- warnx (_("cannot find process \"%s\""), arg);
- }
- proc_close_processes(ps);
+ numsig = -1;
+
+ /* We are done with the options. The rest of the arguments
+ * should be process ids and names, kill them. */
+ for (errors = 0; (arg = *argv) != NULL; argv++) {
+ pid = strtol(arg, &ep, 10);
+ if (!*ep)
+ errors += kill_verbose(arg, pid, numsig);
+ else {
+ struct proc_processes *ps = proc_open_processes();
+ int ct = 0;
+
+ if (!ps)
+ continue;
+ if (!check_all)
+ proc_processes_filter_by_uid(ps, getuid());
+ proc_processes_filter_by_name(ps, arg);
+ while (proc_next_pid(ps, &pid) == 0) {
+ errors += kill_verbose(arg, pid, numsig);
+ ct++;
+ }
+ if (!ct) {
+ errors++;
+ warnx(_("cannot find process \"%s\""), arg);
+ }
+ proc_close_processes(ps);
+ }
}
- }
- if (errors != 0)
- errors = EXIT_FAILURE;
- return errors;
+ if (errors != 0)
+ errors = EXIT_FAILURE;
+ return errors;
}
#ifdef SIGRTMIN
sig += 4;
maxi = 1;
}
-
if (!isdigit(*sig))
return -1;
-
errno = 0;
num = strtol(sig, &ep, 10);
if (!ep || sig == ep || errno || num < 0)
return -1;
-
num = maxi ? SIGRTMAX - num : SIGRTMIN + num;
-
if (num < SIGRTMIN || num > SIGRTMAX)
return -1;
-
return num;
}
#endif
-static int signame_to_signum (char *sig)
+static int signame_to_signum(char *sig)
{
- size_t n;
-
- if (! strncasecmp (sig, "sig", 3))
- sig += 3;
+ size_t n;
+ if (!strncasecmp(sig, "sig", 3))
+ sig += 3;
#ifdef SIGRTMIN
- /* RT signals */
- if (!strncasecmp(sig, "rt", 2))
- return rtsig_to_signum(sig + 2);
+ /* RT signals */
+ if (!strncasecmp(sig, "rt", 2))
+ return rtsig_to_signum(sig + 2);
#endif
- /* Normal sugnals */
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
- if (! strcasecmp (sys_signame[n].name, sig))
- return sys_signame[n].val;
- }
- return (-1);
+ /* Normal sugnals */
+ for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
+ if (!strcasecmp(sys_signame[n].name, sig))
+ return sys_signame[n].val;
+ }
+ return (-1);
}
-static int arg_to_signum (char *arg, int maskbit)
+static int arg_to_signum(char *arg, int maskbit)
{
- int numsig;
- char *ep;
-
- if (isdigit (*arg)) {
- numsig = strtol (arg, &ep, 10);
- if (numsig >= NSIG && maskbit && (numsig & 128) != 0)
- numsig -= 128;
- if (*ep != 0 || numsig < 0 || numsig >= NSIG)
- return (-1);
- return (numsig);
- }
- return signame_to_signum (arg);
+ int numsig;
+ char *ep;
+
+ if (isdigit(*arg)) {
+ numsig = strtol(arg, &ep, 10);
+ if (numsig >= NSIG && maskbit && (numsig & 128) != 0)
+ numsig -= 128;
+ if (*ep != 0 || numsig < 0 || numsig >= NSIG)
+ return (-1);
+ return (numsig);
+ }
+ return signame_to_signum(arg);
}
-static void nosig (char *name)
+static void nosig(char *name)
{
- warnx (_("unknown signal %s; valid signals:"), name);
- printsignals (stderr, 1);
+ warnx(_("unknown signal %s; valid signals:"), name);
+ printsignals(stderr, 1);
}
-static void printsig (int sig)
+static void printsig(int sig)
{
- size_t n;
+ size_t n;
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
- if (sys_signame[n].val == sig) {
- printf ("%s\n", sys_signame[n].name);
- return;
+ for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
+ if (sys_signame[n].val == sig) {
+ printf("%s\n", sys_signame[n].name);
+ return;
+ }
}
- }
#ifdef SIGRTMIN
- if (sig >= SIGRTMIN && sig <= SIGRTMAX) {
- printf ("RT%d\n", sig - SIGRTMIN);
- return;
- }
+ if (sig >= SIGRTMIN && sig <= SIGRTMAX) {
+ printf("RT%d\n", sig - SIGRTMIN);
+ return;
+ }
#endif
- printf("%d\n", sig);
+ printf("%d\n", sig);
}
#define FIELD_WIDTH 11
int signum, const char *name)
{
if (term_width < (*lpos + FIELD_WIDTH)) {
- fputc ('\n', fp);
- *lpos = 0;
+ fputc('\n', fp);
+ *lpos = 0;
}
*lpos += FIELD_WIDTH;
- fprintf (fp, "%2d %-8s", signum, name);
+ fprintf(fp, "%2d %-8s", signum, name);
}
-static void printsignals (FILE *fp, int pretty)
+static void printsignals(FILE *fp, int pretty)
{
- size_t n, lth, lpos = 0, width;
-
- if (!pretty) {
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
- lth = 1+strlen(sys_signame[n].name);
- if (lpos+lth > 72) {
- fputc ('\n', fp);
- lpos = 0;
- } else if (lpos)
- fputc (' ', fp);
- lpos += lth;
- fputs (sys_signame[n].name, fp);
- }
+ size_t n, lth, lpos = 0, width;
+
+ if (!pretty) {
+ for (n = 0; n < ARRAY_SIZE(sys_signame); n++) {
+ lth = 1 + strlen(sys_signame[n].name);
+ if (lpos + lth > 72) {
+ fputc('\n', fp);
+ lpos = 0;
+ } else if (lpos)
+ fputc(' ', fp);
+ lpos += lth;
+ fputs(sys_signame[n].name, fp);
+ }
#ifdef SIGRTMIN
- fputs (" RT<N> RTMIN+<N> RTMAX-<N>", fp);
+ fputs(" RT<N> RTMIN+<N> RTMAX-<N>", fp);
#endif
- fputc ('\n', fp);
- return;
- }
- /* pretty print */
- width = get_terminal_width();
- if (width == 0)
- width = 72;
- else
- width -= 1;
-
- for (n = 0; n < ARRAY_SIZE(sys_signame); n++)
- pretty_print_signal(fp, width, &lpos,
- sys_signame[n].val, sys_signame[n].name);
-
+ fputc('\n', fp);
+ return;
+ }
+ /* pretty print */
+ width = get_terminal_width();
+ if (width == 0)
+ width = 72;
+ else
+ width -= 1;
+ for (n = 0; n < ARRAY_SIZE(sys_signame); n++)
+ pretty_print_signal(fp, width, &lpos,
+ sys_signame[n].val, sys_signame[n].name);
#ifdef SIGRTMIN
- pretty_print_signal(fp, width, &lpos, SIGRTMIN, "RTMIN");
- pretty_print_signal(fp, width, &lpos, SIGRTMAX, "RTMAX");
+ pretty_print_signal(fp, width, &lpos, SIGRTMIN, "RTMIN");
+ pretty_print_signal(fp, width, &lpos, SIGRTMAX, "RTMAX");
#endif
- fputc ('\n', fp);
+ fputc('\n', fp);
}
static int usage(int status)
fputs(USAGE_HELP, out);
fputs(USAGE_VERSION, out);
fprintf(out, USAGE_MAN_TAIL("kill(1)"));
-
return status;
}
-static int kill_verbose (char *procname, pid_t pid, int sig)
+static int kill_verbose(char *procname, pid_t pid, int sig)
{
- int rc = 0;
+ int rc = 0;
- if (sig < 0) {
- printf ("%ld\n", (long)pid);
- return 0;
- }
+ if (sig < 0) {
+ printf("%ld\n", (long)pid);
+ return 0;
+ }
#ifdef HAVE_SIGQUEUE
- if (use_sigval)
- rc = sigqueue(pid, sig, sigdata);
- else
+ if (use_sigval)
+ rc = sigqueue(pid, sig, sigdata);
+ else
#endif
- rc = kill (pid, sig);
-
- if (rc < 0) {
- warn(_("sending signal to %s failed"), procname);
- return 1;
- }
- return 0;
+ rc = kill(pid, sig);
+ if (rc < 0) {
+ warn(_("sending signal to %s failed"), procname);
+ return 1;
+ }
+ return 0;
}
projects / thirdparty / util-linux.git / commitdiff
