4 Nov
2014
4 Nov
'14
9:08 a.m.
Module: check_mk
Branch: master
Commit: 3196fa0de29d06c5cdf7d32fe2ca888618b42180
URL:
http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=3196fa0de29d06…
Author: Bastian Kuhn <bk(a)mathias-kettner.de>
Date: Tue Nov 4 10:08:27 2014 +0100
Added waitmax for z/OS. Thanks to Dirk Schwartzkopff
---
agents/zOS/waitmax | Bin 0 -> 90112 bytes
agents/zOS/waitmax.c | 182 ++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 182 insertions(+)
diff --git a/agents/zOS/waitmax b/agents/zOS/waitmax
new file mode 100644
index 0000000..3c8c92c
Binary files /dev/null and b/agents/zOS/waitmax differ
diff --git a/agents/zOS/waitmax.c b/agents/zOS/waitmax.c
new file mode 100644
index 0000000..a583903
--- /dev/null
+++ b/agents/zOS/waitmax.c
@@ -0,0 +1,182 @@
+/* +------------------------------------------------------------------+ */
+/* | ____ _ _ __ __ _ __ | */
+/* | / ___| |__ ___ ___| | __ | \/ | |/ / | */
+/* | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | */
+/* | | |___| | | | __/ (__| < | | | | . \ | */
+/* | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | */
+/* | | */
+/* | Copyright Mathias Kettner 2013 mk(a)mathias-kettner.de | */
+/* +------------------------------------------------------------------+ */
+/* */
+/* This file is part of Check_MK. */
+/* The official homepage is at http://mathias-kettner.de/check_mk. */
+/* */
+/* check_mk is free software; you can redistribute it and/or modify it */
+/* under the terms of the GNU General Public License as published by */
+/* the Free Software Foundation in version 2. check_mk is distributed */
+/* in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- */
+/* out even the implied warranty of MERCHANTABILITY or FITNESS FOR A */
+/* PARTICULAR PURPOSE. See the GNU General Public License for more de- */
+/* ails. You should have received a copy of the GNU General Public */
+/* License along with GNU Make; see the file COPYING. If not, write */
+/* to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, */
+/* Boston, MA 02110-1301 USA. */
+
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <signal.h>
+/*#include <getopt.h>*/
+# define no_argument 0
+# define required_argument 1
+# define optional_argument 2
+
+struct option
+{
+ const char *name;
+ /* has_arg can't be an enum because some compilers complain about
+ type mismatches in all the code that assumes it is an int. */
+ int has_arg;
+ int *flag;
+ int val;
+};
+
+/* macros for using write(2) instead of fprintf(stderr, ) */
+#define out(text) write(2, text, strlen(text));
+
+int g_pid;
+int g_timeout = 0;
+int g_signum = 15;
+
+struct option long_options[] = {
+ { "version" , no_argument, 0, 'V' },
+ { "help" , no_argument, 0, 'h' },
+ { "signal" , required_argument, 0, 's' },
+ { 0, 0, 0, 0 } };
+
+void version()
+{
+ out("waitmax version 1.1z\n"
+ "Copyright Mathias Kettner 2008\n"
+ "This is free software; see the source for copying conditions. There is
NO\n"
+ "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.\n");
+ exit(0);
+}
+
+
+void usage()
+{
+ out("Usage: waitmax [-s SIGNUM] MAXTIME PROGRAM [ARGS...]\n"
+ "\n"
+ "Execute PROGRAM as a subprocess. If PROGRAM does not exit before
MAXTIME\n"
+ "seconds, it will be killed with SIGTERM or an alternative signal.\n"
+ "\n"
+/*
+ " -s, --signal SIGNUM kill with SIGNUM on timeout\n"
+ " -h, --help this help\n"
+ " -V, --version show version an exit\n\n");
+*/
+ " -s kill with SIGNUM on timeout\n"
+ " -h this help\n"
+ " -V show version an exit\n\n");
+ exit(1);
+}
+
+
+void signalhandler(int signum)
+{
+ if (0 == kill(g_pid, g_signum))
+ g_timeout = 1;
+}
+
+
+int main(int argc, char **argv)
+{
+ int indexptr=0;
+ int ret;
+ int maxtime;
+ int status;
+ int pid;
+ int exitcode;
+ int signum;
+ setenv("POSIXLY_CORRECT", "true", 0);
+/*
+ while (0 <= (ret = getopt_long(argc, argv, "Vhs:", long_options,
&indexptr))) {
+*/
+ while (0 <= (ret = getopt(argc, argv, "Vhs:", long_options,
&indexptr))) {
+ switch (ret)
+ {
+ case 'V':
+ version();
+
+ case 'h':
+ usage();
+
+ case 's':
+ g_signum = strtoul(optarg, 0, 10);
+ if (g_signum < 1 || g_signum > 32) {
+ out("Signalnumber must be between 1 and 32.\n");
+ exit(1);
+ }
+ break;
+
+ default:
+ usage(argv[0]);
+ exit(1);
+ break;
+ }
+ }
+
+ if (optind + 1 >= argc) usage();
+
+ maxtime = atoi(argv[optind]);
+ if (maxtime <= 0) usage();
+
+ g_pid = fork();
+ if (g_pid == 0) {
+ signal(SIGALRM, signalhandler);
+ execvp(argv[optind + 1], argv + optind + 1);
+ out("Cannot execute ");
+ out(argv[optind + 1]);
+ out(": ");
+ out(strerror(errno));
+ out("\n");
+ exit(253);
+ }
+
+ signal(SIGALRM, signalhandler);
+ alarm(maxtime);
+ while (1) {
+ pid = waitpid(g_pid, &status, 0);
+ if (pid <= 0) {
+ if (errno == EINTR) continue; /* interupted by alarm */
+ else
+ out("Strange: waitpid() fails: ");
+ out(strerror(errno));
+ out("\n");
+ exit(1);
+ }
+ else break;
+ }
+
+ if (WIFEXITED(status)) {
+ exitcode = WEXITSTATUS(status);
+ return exitcode;
+ }
+ else if (WIFSIGNALED(status)) {
+ signum = WTERMSIG(status);
+ if (g_timeout)
+ return 255;
+ else
+ return 128 + signum;
+ }
+ else {
+ out("Strange: program did neither exit nor was signalled.\n");
+ return 254;
+ }
+}