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authorGerhard Lausser <lausser@users.sourceforge.net>2013-10-01 06:57:10 (GMT)
committerHolger Weiss <holger@zedat.fu-berlin.de>2014-11-28 21:08:08 (GMT)
commit6986aa1d0a352d8d02eed4896034631fffd25a27 (patch)
treea61dccd97b1a00a52a7d48787e12facc361d37af /plugins/check_disk.c
parentf3b789a526af04434813c3d49dfb28b106ad691c (diff)
downloadmonitoring-plugins-6986aa1d0a352d8d02eed4896034631fffd25a27.tar.gz
Don't let check_disk hang on hanging file systems
Diffstat (limited to 'plugins/check_disk.c')
-rw-r--r--plugins/check_disk.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/plugins/check_disk.c b/plugins/check_disk.c
index 0d73a4f..a66aaf0 100644
--- a/plugins/check_disk.c
+++ b/plugins/check_disk.c
@@ -51,6 +51,9 @@ const char *email = "devel@monitoring-plugins.org";
51# include <limits.h> 51# include <limits.h>
52#endif 52#endif
53#include "regex.h" 53#include "regex.h"
54#if HAVE_PTHREAD_H
55# include <pthread.h>
56#endif
54 57
55#ifdef __CYGWIN__ 58#ifdef __CYGWIN__
56# include <windows.h> 59# include <windows.h>
@@ -130,6 +133,7 @@ void print_help (void);
130void print_usage (void); 133void print_usage (void);
131double calculate_percent(uintmax_t, uintmax_t); 134double calculate_percent(uintmax_t, uintmax_t);
132void stat_path (struct parameter_list *p); 135void stat_path (struct parameter_list *p);
136void do_stat_path (struct parameter_list *p);
133void get_stats (struct parameter_list *p, struct fs_usage *fsp); 137void get_stats (struct parameter_list *p, struct fs_usage *fsp);
134void get_path_stats (struct parameter_list *p, struct fs_usage *fsp); 138void get_path_stats (struct parameter_list *p, struct fs_usage *fsp);
135 139
@@ -968,6 +972,42 @@ print_usage (void)
968void 972void
969stat_path (struct parameter_list *p) 973stat_path (struct parameter_list *p)
970{ 974{
975#ifdef HAVE_PTHREAD_H
976 pthread_t stat_thread;
977 int status;
978 int statdone = 0;
979 int timer = timeout_interval;
980 struct timespec req, rem;
981 req.tv_sec = 0;
982 pthread_create(&stat_thread, NULL, do_stat_path, p);
983 while (timer-- > 0) {
984 req.tv_nsec = 10000000;
985 nanosleep(&req, &rem);
986 if (pthread_kill(stat_thread, 0)) {
987 statdone = 1;
988 break;
989 } else {
990 req.tv_nsec = 990000000;
991 nanosleep(&req, &rem);
992 }
993 }
994 if (statdone == 1) {
995 pthread_join(stat_thread, (void *)&status);
996 } else {
997 pthread_detach(stat_thread);
998 if (verbose >= 3)
999 printf("stat did not return within %ds on %s\n", timeout_interval, p->name);
1000 printf("DISK %s - ", _("CRITICAL"));
1001 die (STATE_CRITICAL, _("%s %s: %s\n"), p->name, _("hangs"), _("Timeout"));
1002 }
1003#else
1004 do_stat_path(p);
1005#endif
1006}
1007
1008void
1009do_stat_path (struct parameter_list *p)
1010{
971 /* Stat entry to check that dir exists and is accessible */ 1011 /* Stat entry to check that dir exists and is accessible */
972 if (verbose >= 3) 1012 if (verbose >= 3)
973 printf("calling stat on %s\n", p->name); 1013 printf("calling stat on %s\n", p->name);