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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2009-08-21 16:06:08 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2009-08-21 16:06:08 +0200 |
| commit | 58411110894c0a9e6a1a1ec9dbdf2fbe2ef3da00 (patch) | |
| tree | 384477cd9a167103eedde5d0b0993cd1ac927092 /include | |
| parent | 3e6852f806c4368eda451b39f12b2ac2f2b5d33b (diff) | |
| download | conntrack-tools-58411110894c0a9e6a1a1ec9dbdf2fbe2ef3da00.tar.gz conntrack-tools-58411110894c0a9e6a1a1ec9dbdf2fbe2ef3da00.zip | |
conntrackd: reduce the number of gettimeofday() syscalls
This patch reduces the number of gettimeofday syscalls by caching
the current time in a variable at the beginning of the main loop.
Based on a suggestion from Vincent Jardin.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/Makefile.am | 2 | ||||
| -rw-r--r-- | include/cache.h | 1 | ||||
| -rw-r--r-- | include/date.h | 10 |
3 files changed, 12 insertions, 1 deletions
diff --git a/include/Makefile.am b/include/Makefile.am index 0fa76af..844c5b8 100644 --- a/include/Makefile.am +++ b/include/Makefile.am @@ -4,5 +4,5 @@ noinst_HEADERS = alarm.h jhash.h cache.h linux_list.h linux_rbtree.h \ debug.h log.h hash.h mcast.h conntrack.h \ network.h filter.h queue.h vector.h cidr.h \ traffic_stats.h netlink.h fds.h event.h bitops.h channel.h \ - process.h origin.h external.h + process.h origin.h external.h date.h diff --git a/include/cache.h b/include/cache.h index 7e61085..28917f2 100644 --- a/include/cache.h +++ b/include/cache.h @@ -4,6 +4,7 @@ #include <stdint.h> #include <stddef.h> #include "hash.h" +#include "date.h" /* cache features */ enum { diff --git a/include/date.h b/include/date.h new file mode 100644 index 0000000..296b996 --- /dev/null +++ b/include/date.h @@ -0,0 +1,10 @@ +#ifndef _DATE_H_ +#define _DATE_H_ + +#include <sys/time.h> + +int do_gettimeofday(void); +void gettimeofday_cached(struct timeval *tv); +int time_cached(void); + +#endif |