summaryrefslogtreecommitdiffstats
path: root/plugins/common.h
diff options
context:
space:
mode:
authorSven Nierlein <sven@nierlein.org>2019-02-19 21:42:02 +0100
committerGitHub <noreply@github.com>2019-02-19 21:42:02 +0100
commit931ed78b5dc062fff33652d87406f1547da5ddbe (patch)
tree9caf8031a15d7f046e77693c4002bf750bfef3d3 /plugins/common.h
parent2813d08b92d08ba56ec22da00a23fff3a22ed74b (diff)
parent7cafb0e84550035fe671662c293122be975065ca (diff)
downloadmonitoring-plugins-931ed78b5dc062fff33652d87406f1547da5ddbe.tar.gz
Merge pull request #1583 from sni/fix_check_by_ssh_timeout_child_leak
check_by_ssh: fix child process leak on timeouts
Diffstat (limited to 'plugins/common.h')
-rw-r--r--plugins/common.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/plugins/common.h b/plugins/common.h
index 6bf4fca4..0f08e2f6 100644
--- a/plugins/common.h
+++ b/plugins/common.h
@@ -225,4 +225,18 @@ enum {
225# define __attribute__(x) /* do nothing */ 225# define __attribute__(x) /* do nothing */
226#endif 226#endif
227 227
228/* Try sysconf(_SC_OPEN_MAX) first, as it can be higher than OPEN_MAX.
229 * If that fails and the macro isn't defined, we fall back to an educated
230 * guess. There's no guarantee that our guess is adequate and the program
231 * will die with SIGSEGV if it isn't and the upper boundary is breached. */
232#define DEFAULT_MAXFD 256 /* fallback value if no max open files value is set */
233#define MAXFD_LIMIT 8192 /* upper limit of open files */
234#ifdef _SC_OPEN_MAX
235static long maxfd = 0;
236#elif defined(OPEN_MAX)
237# define maxfd OPEN_MAX
238#else /* sysconf macro unavailable, so guess (may be wildly inaccurate) */
239# define maxfd DEFAULT_MAXFD
240#endif
241
228#endif /* _COMMON_H_ */ 242#endif /* _COMMON_H_ */