From da416ca283fae31f70dee2a3d513a2067f4cc8c8 Mon Sep 17 00:00:00 2001
From: zenon <kranklyboy1000@gmail.com>
Date: Thu, 7 Jun 2018 18:24:12 +0200
Subject: [PATCH] Do unlinking of SEM_WRITE_END in supervisor

---
 generator.c  | 4 +---
 supervisor.c | 5 +++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/generator.c b/generator.c
index 74980a2..28fae05 100644
--- a/generator.c
+++ b/generator.c
@@ -202,8 +202,6 @@ void cleanup()
 	sem_close(sUsedSpace);
 	sem_close(sFreeSpace);
 	sem_close(sWriteEnd);
-
-	sem_unlink(SEM_WRITE_END);
 }
 
 
@@ -329,7 +327,7 @@ int main(int argc, char *argv[])
 
 	sFreeSpace = sem_open(SEM_FREE_SPACE, 0);
 	sUsedSpace = sem_open(SEM_USED_SPACE, 0);
-	sWriteEnd = sem_open(SEM_WRITE_END, O_CREAT, PERMISSION, 1);
+	sWriteEnd = sem_open(SEM_WRITE_END, 0);
 	if (sFreeSpace == SEM_FAILED ||
 	    sUsedSpace == SEM_FAILED ||
 	    sWriteEnd == SEM_FAILED) {
diff --git a/supervisor.c b/supervisor.c
index ff1ef1a..fd9d1cb 100644
--- a/supervisor.c
+++ b/supervisor.c
@@ -17,6 +17,8 @@ static sem_t *sUsedSpace;
 
 static sem_t *sFreeSpace;
 
+static sem_t *sWriteEnd;
+
 struct sigaction sa;
 
 static int bestSolution[MAX_ITEMS];
@@ -50,9 +52,11 @@ void cleanup()
 	}
 	sem_close(sUsedSpace);
 	sem_close(sFreeSpace);
+	sem_close(sWriteEnd);
 
 	sem_unlink(SEM_USED_SPACE);
 	sem_unlink(SEM_FREE_SPACE);
+	sem_unlink(SEM_WRITE_END);
 }
 
 void initCircBuf()
@@ -172,6 +176,7 @@ int main(int argc, char *argv[])
 
 	sFreeSpace = sem_open(SEM_FREE_SPACE, O_CREAT | O_EXCL, PERMISSION, MAX_ITEMS);
 	sUsedSpace = sem_open(SEM_USED_SPACE, O_CREAT | O_EXCL, PERMISSION, 0);
+	sWriteEnd = sem_open(SEM_WRITE_END, O_CREAT | O_EXCL, PERMISSION, 1);
 
 	initCircBuf();