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authortoni <matzeton@googlemail.com>2015-11-16 23:56:07 +0100
committertoni <matzeton@googlemail.com>2015-11-17 01:04:39 +0100
commitcb8ac81c8c538f4a02edb5c2762cfbc5f5adef88 (patch)
tree8a305bfa89f406a89e6b3e4fbd286bf242a72920 /tests/producer_consumer.c
parent089551924a7c6bae2b03bee9999e5563f9267571 (diff)
better tests
Diffstat (limited to 'tests/producer_consumer.c')
1 files changed, 39 insertions, 0 deletions
diff --git a/tests/producer_consumer.c b/tests/producer_consumer.c
new file mode 100644
index 0000000..104004a
--- /dev/null
+++ b/tests/producer_consumer.c
@@ -0,0 +1,39 @@
+#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 <assert.h>
+
+#include "semconfig.h"
+
+sem_t *mysem = NULL, *mycnt = NULL;
+pid_t child;
+
+
+int main(int argc, char **argv) {
+ int semval = 0;
+
+ if ( (mysem = sem_open(TESTSEM, 0, S_IRUSR | S_IWUSR, 1)) != NULL &&
+ (mycnt = sem_open(CNTSEM, 0, S_IRUSR | S_IWUSR, 1)) != NULL ) {
+ assert( sem_getvalue(mycnt, &semval) == 0 );
+ printf("factory producing %d items\n", semval);
+
+ while ( semval-- >= 0 ) {
+ usleep(250);
+ LOG("consumer: -1");
+ assert( sem_wait(mysem) == 0 );
+ printf("remaining: %d\n", semval);
+ }
+ } else {
+ exit(1);
+ }
+ assert( sem_close(mysem) == 0 );
+ assert( sem_unlink(TESTSEM) == 0 && sem_unlink(CNTSEM) == 0 );
+
+ exit(0);
+}
+