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lib/util: make use of tevent_cached_getpid() in performance critical code

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This avoids wasting getpid() calls in a lot of places...

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This commit is contained in:
Stefan Metzmacher 2022-07-25 14:29:35 +02:00 committed by Jeremy Allison
parent 94e130fb86
commit 0f544f3363
2 changed files with 4 additions and 2 deletions
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3
lib/util/genrand_util.c
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@ -21,6 +21,7 @@
#include "replace.h"
#include "system/locale.h"
#include <tevent.h>
#include "lib/util/samba_util.h"
#include "lib/util/debug.h"
@ -56,7 +57,7 @@ _PUBLIC_ uint64_t generate_unique_u64(uint64_t veto_value)
int pid;
} generate_unique_u64_state;
int pid = getpid();
int pid = tevent_cached_getpid();
if (unlikely(pid != generate_unique_u64_state.pid)) {
generate_unique_u64_state = (struct generate_unique_u64_state) {

3
lib/util/util.c
View File

@ -25,6 +25,7 @@
#include "replace.h"
#include <talloc.h>
#include <tevent.h>
#include "system/network.h"
#include "system/filesys.h"
#include "system/locale.h"
@ -422,7 +423,7 @@ _PUBLIC_ bool fcntl_lock(int fd, int op, off_t offset, off_t count, int type)
if ((ret != -1) &&
(lock.l_type != F_UNLCK) &&
(lock.l_pid != 0) &&
(lock.l_pid != getpid())) {
(lock.l_pid != tevent_cached_getpid())) {
DEBUG(3,("fcntl_lock: fd %d is locked by pid %d\n",fd,(int)lock.l_pid));
return true;
}