4 files changed, 54 insertions, 3 deletions
diff --git a/tests/Makefile b/tests/Makefile
index 5a041e6..436d00f 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -3,13 +3,18 @@ LDFLAGS = -lpthread -lrt
 CC = gcc
 SOURCES = $(wildcard *.c)
 BINARIES = $(patsubst %.c,%,$(SOURCES))
+DEPS = $(patsubst %.c,%.d,$(SOURCES))
 
 all: $(BINARIES)
 
+semtest2:
+	$(CC) $(CFLAGS) $(LDFLAGS) ../ui_ipc.o semtest2.c -o semtest2
+
 %: %.c
 	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $(patsubst %.c,%,$<)
 
 clean:
+	rm -f $(DEPS)
 	rm -f $(BINARIES)
 
 .PHONY: all install clean
diff --git a/tests/semconfig.h b/tests/semconfig.h
index e34984d..0ad08b3 100644
--- a/tests/semconfig.h
+++ b/tests/semconfig.h
@@ -2,6 +2,7 @@
 #define CONFIG_H 1
 
 #define LOG(text) fprintf(stderr, "%s\n", text);
+#define CMD(cmd) LOG(cmd); cmd;
 #define TESTSEM "/testsem"
 #define CNTSEM "/testcnt"
 
diff --git a/tests/semtest.c b/tests/semtest.c
index 7968127..f462a6e 100644
--- a/tests/semtest.c
+++ b/tests/semtest.c
@@ -7,15 +7,16 @@
 #include <sys/wait.h>
 #include <fcntl.h>
 
+#include "semconfig.h"
+
 
 sem_t *mysem = NULL;
 pid_t child;
 
-#define LOG(cmd) fprintf(stderr, "%s\n", cmd);
 
 int main(int argc, char **argv) {
-  sem_unlink("/mysem");
-  if ( (mysem = sem_open("/mysem", O_CREAT, S_IRUSR | S_IWUSR, 1)) != NULL ) {
+  sem_unlink(TESTSEM);
+  if ( (mysem = sem_open(TESTSEM, O_CREAT | O_EXCL, S_IRUSR | S_IWUSR, 0)) != NULL ) {
     if ( (child = fork()) == 0 ) {
       /* child */
       sleep(1);
@@ -37,6 +38,7 @@ int main(int argc, char **argv) {
     sem_close(mysem);
     exit(1);
   }
+  sem_unlink(TESTSEM);
   exit(0);
 }
 
diff --git a/tests/semtest2.c b/tests/semtest2.c
new file mode 100644
index 0000000..c015df8
--- /dev/null
+++ b/tests/semtest2.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <semaphore.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <fcntl.h>
+
+#include "../ui_ipc.h"
+
+pid_t child;
+
+#define LOG(cmd) fprintf(stderr, "%s\n", cmd);
+
+int main(int argc, char **argv) {
+  if (ui_ipc_init(1) != 0) {
+    perror("ui_ipc_init");
+    exit(1);
+  }
+  if ( (child = fork()) == 0 ) {
+    /* child */
+    sleep(1);
+    LOG("child: sempost");
+    ui_ipc_sempost(SEM_RD);
+    LOG("child: done");
+    sleep(1);
+    exit(0);
+  } else if (child > 0) {
+    /* parent */
+    LOG("parent: semwait");
+    ui_ipc_semwait(SEM_RD);
+    LOG("parent: waitpid");
+    waitpid(child, NULL, 0);
+  } else if (child < 0) {
+    perror("fork");
+    exit(1);
+  }
+  ui_ipc_free(1);
+
+  exit(0);
+}
+