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Diffstat (limited to 'i/pc104/initrd/conf/busybox/procps/kill.c')
-rw-r--r--i/pc104/initrd/conf/busybox/procps/kill.c156
1 files changed, 156 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/procps/kill.c b/i/pc104/initrd/conf/busybox/procps/kill.c
new file mode 100644
index 0000000..9a6e936
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/procps/kill.c
@@ -0,0 +1,156 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini kill/killall implementation for busybox
+ *
+ * Copyright (C) 1995, 1996 by Bruce Perens <bruce@pixar.com>.
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
+ */
+
+#include "busybox.h"
+
+int kill_main(int argc, char **argv);
+int kill_main(int argc, char **argv)
+{
+ char *arg;
+ pid_t pid;
+ int signo = SIGTERM, errors = 0, quiet = 0;
+ const int killall = (ENABLE_KILLALL && applet_name[4] == 'a'
+ && (!ENABLE_KILLALL5 || applet_name[7] != '5'));
+ const int killall5 = (ENABLE_KILLALL5 && applet_name[4] == 'a'
+ && (!ENABLE_KILLALL || applet_name[7] == '5'));
+
+ /* Parse any options */
+ argc--;
+ arg = *++argv;
+
+ if (argc < 1 || arg[0] != '-') {
+ goto do_it_now;
+ }
+
+ /* The -l option, which prints out signal names. */
+ if (arg[1] == 'l' && arg[2] == '\0') {
+ const char *name;
+ if (argc == 1) {
+ /* Print the whole signal list */
+ int col = 0;
+ for (signo = 1; signo < 32; signo++) {
+ name = get_signame(signo);
+ if (isdigit(name[0])) continue;
+ if (col > 66) {
+ puts("");
+ col = 0;
+ }
+ col += printf("%2d) %-6s", signo, name);
+ }
+ puts("");
+ } else { /* -l <sig list> */
+ while ((arg = *++argv)) {
+ if (isdigit(arg[0])) {
+ signo = xatoi_u(arg);
+ name = get_signame(signo);
+ } else {
+ signo = get_signum(arg);
+ if (signo < 0)
+ bb_error_msg_and_die("unknown signal '%s'", arg);
+ name = get_signame(signo);
+ }
+ printf("%2d) %s\n", signo, name);
+ }
+ }
+ /* If they specified -l, we are all done */
+ return EXIT_SUCCESS;
+ }
+
+ /* The -q quiet option */
+ if (killall && arg[1] == 'q' && arg[2] == '\0') {
+ quiet = 1;
+ arg = *++argv;
+ argc--;
+ if (argc < 1) bb_show_usage();
+ if (arg[0] != '-') goto do_it_now;
+ }
+
+ /* -SIG */
+ signo = get_signum(&arg[1]);
+ if (signo < 0)
+ bb_error_msg_and_die("bad signal name '%s'", &arg[1]);
+ arg = *++argv;
+ argc--;
+
+do_it_now:
+
+ if (killall5) {
+ pid_t sid;
+ procps_status_t* p = NULL;
+
+// Cannot happen anyway? We don't TERM ourself, we STOP
+// /* kill(-1, sig) on Linux (at least 2.1.x)
+// * might send signal to the calling process too */
+// signal(SIGTERM, SIG_IGN);
+ /* Now stop all processes */
+ kill(-1, SIGSTOP);
+ /* Find out our own session id */
+ pid = getpid();
+ sid = getsid(pid);
+ /* Now kill all processes except our session */
+ while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID))) {
+ if (p->sid != sid && p->pid != pid && p->pid != 1)
+ kill(p->pid, signo);
+ }
+ /* And let them continue */
+ kill(-1, SIGCONT);
+ return 0;
+ }
+
+ /* Pid or name required for kill/killall */
+ if (argc < 1)
+ bb_show_usage();
+
+ if (killall) {
+ /* Looks like they want to do a killall. Do that */
+ pid = getpid();
+ while (arg) {
+ pid_t* pidList;
+
+ pidList = find_pid_by_name(arg);
+ if (*pidList == 0) {
+ errors++;
+ if (!quiet)
+ bb_error_msg("%s: no process killed", arg);
+ } else {
+ pid_t *pl;
+
+ for (pl = pidList; *pl; pl++) {
+ if (*pl == pid)
+ continue;
+ if (kill(*pl, signo) == 0)
+ continue;
+ errors++;
+ if (!quiet)
+ bb_perror_msg("cannot kill pid %u", (unsigned)*pl);
+ }
+ }
+ free(pidList);
+ arg = *++argv;
+ }
+ return errors;
+ }
+
+ /* Looks like they want to do a kill. Do that */
+ while (arg) {
+ /* Huh?
+ if (!isdigit(arg[0]) && arg[0] != '-')
+ bb_error_msg_and_die("bad pid '%s'", arg);
+ */
+ pid = xatou(arg);
+ /* FIXME: better overflow check? */
+ if (kill(pid, signo) != 0) {
+ bb_perror_msg("cannot kill pid %u", (unsigned)pid);
+ errors++;
+ }
+ arg = *++argv;
+ }
+ return errors;
+}