From a5f8bdf484b74b4358974337ec07a3f18bbe0291 Mon Sep 17 00:00:00 2001
From: wangzhengquan <wangzhengquan85@126.com>
Date: 星期二, 14 七月 2020 16:28:35 +0800
Subject: [PATCH] lib
---
queue/sem_util.c | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/queue/sem_util.c b/queue/sem_util.c
index d7819a2..6ed43fa 100644
--- a/queue/sem_util.c
+++ b/queue/sem_util.c
@@ -132,7 +132,17 @@
void SemUtil::remove(int semid) {
union semun dummy;
if (semctl(semid, 0, IPC_RMID, dummy) == -1)
- err_exit(errno, "semctl");
+ err_msg(errno, "SemUtil::remove");
}
+
+void SemUtil::set(int semId, int val)
+{
+ union semun arg;
+ arg.val = val;
+ if (semctl(semId, 0, SETVAL, arg) == -1)
+ err_msg(errno, "SemUtil::set");
+}
+
+
--
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