From 00dba6082e245d917cb7d6eed3c627211ff41cd7 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期五, 25 九月 2020 15:53:21 +0800
Subject: [PATCH] update
---
src/util/sem_util.c | 16 +++++++++-------
1 files changed, 9 insertions(+), 7 deletions(-)
diff --git a/src/util/sem_util.c b/src/util/sem_util.c
index e2b2c20..bc8c4f4 100644
--- a/src/util/sem_util.c
+++ b/src/util/sem_util.c
@@ -4,6 +4,7 @@
static Logger logger = LoggerFactory::getLogger();
int SemUtil::get(key_t key, unsigned int value) {
+// printf("==================SemUtil::get===============================\n");
int semid, perms;
perms = S_IRUSR | S_IWUSR;
@@ -14,12 +15,12 @@
union semun arg;
struct sembuf sop;
- logger.info("%ld: created semaphore\n", (long)getpid());
+ //logger.info("%ld: created semaphore\n", (long)getpid());
arg.val = 0; /* So initialize it to 0 */
if (semctl(semid, 0, SETVAL, arg) == -1)
err_exit(errno, "semctl 1");
- logger.info("%ld: initialized semaphore\n", (long)getpid());
+ //logger.info("%ld: initialized semaphore\n", (long)getpid());
/* Perform a "no-op" semaphore operation - changes sem_otime
so other processes can see we've initialized the set. */
@@ -29,7 +30,7 @@
sop.sem_flg = 0;
if (semop(semid, &sop, 1) == -1)
err_exit(errno, "semop");
- logger.info("%ld: completed dummy semop()\n", (long)getpid());
+ //logger.info("%ld: completed dummy semop()\n", (long)getpid());
} else { /* We didn't create the semaphore set */
@@ -46,12 +47,12 @@
if (semid == -1)
err_exit(errno, "semget 2");
- logger.info("%ld: got semaphore key\n", (long)getpid());
+ // logger.info("%ld: got semaphore key\n", (long)getpid());
/* Wait until another process has called semop() */
arg.buf = &ds;
for (j = 0; j < MAX_TRIES; j++) {
- logger.info("Try %d\n", j);
+ //logger.info("Try %d\n", j);
if (semctl(semid, 0, IPC_STAT, arg) == -1)
err_exit(errno, "semctl 2");
@@ -72,6 +73,7 @@
/* Reserve semaphore - decrement it by 1 */
int SemUtil::dec(int semId) {
+// logger.debug("%d: SemUtil::dec\n", semId);
struct sembuf sops;
sops.sem_num = 0;
@@ -103,7 +105,7 @@
return 0;
}
-int SemUtil::dec_timeout(int semId, struct timespec *timeout) {
+int SemUtil::dec_timeout(const int semId, const struct timespec *timeout) {
struct sembuf sops;
sops.sem_num = 0;
@@ -112,7 +114,7 @@
while (semtimedop(semId, &sops, 1, timeout) == -1)
if (errno != EINTR) {
- err_msg(errno, "SemUtil::dec_timeout");
+ // err_msg(errno, "SemUtil::dec_timeout");
return -1;
}
--
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