Add ZixSem.

git-svn-id: http://svn.drobilla.net/zix/trunk@45 df6676b4-ccc9-40e5-b5d6-7c4628a128e3

1 files changed, 86 insertions, 0 deletions

diff --git a/test/sem_test.c b/test/sem_test.c
new file mode 100644
index 0000000..793f41b
--- /dev/null
+++ b/test/sem_test.c
@@ -0,0 +1,86 @@
+/*
+  Copyright 2012 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#include <limits.h>
+#include <pthread.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "zix/sem.h"
+
+ZixSem sem;
+size_t n_signals = 0;
+
+static void*
+reader(void* arg)
+{
+	printf("Reader starting\n");
+
+	for (size_t i = 0; i < n_signals; ++i) {
+		zix_sem_wait(&sem);
+	}
+
+	printf("Reader finished\n");
+	return NULL;
+}
+
+static void*
+writer(void* arg)
+{
+	printf("Writer starting\n");
+
+	for (size_t i = 0; i < n_signals; ++i) {
+		zix_sem_post(&sem);
+	}
+
+	printf("Writer finished\n");
+	return NULL;
+}
+
+int
+main(int argc, char** argv)
+{
+	if (argc != 2 || argv[1][0] == '-') {
+		printf("Usage: %s N_SIGNALS\n", argv[0]);
+		return 1;
+	}
+
+	n_signals = atoi(argv[1]);
+
+	printf("Testing %zu signals...\n", n_signals);
+
+	zix_sem_init(&sem, 0);
+
+	pthread_t reader_thread;
+	if (pthread_create(&reader_thread, NULL, reader, NULL)) {
+		fprintf(stderr, "Failed to create reader thread\n");
+		return 1;
+	}
+
+	pthread_t writer_thread;
+	if (pthread_create(&writer_thread, NULL, writer, NULL)) {
+		fprintf(stderr, "Failed to create writer thread\n");
+		return 1;
+	}
+
+	pthread_join(reader_thread, NULL);
+	pthread_join(writer_thread, NULL);
+
+	zix_sem_destroy(&sem);
+	return 0;
+}