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authorDavid Robillard <d@drobilla.net>2012-01-30 04:46:09 +0000
committerDavid Robillard <d@drobilla.net>2012-01-30 04:46:09 +0000
commit678d469abc1ef2720279ed4080395daa090d602f (patch)
tree7749eb09780db96c50442edd8d096ad1b8b3ddd5 /test
parentf431110131bfe88f830386b573bdcaca3774de0d (diff)
downloadzix-678d469abc1ef2720279ed4080395daa090d602f.tar.gz
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Add ZixSem.
git-svn-id: http://svn.drobilla.net/zix/trunk@45 df6676b4-ccc9-40e5-b5d6-7c4628a128e3
Diffstat (limited to 'test')
-rw-r--r--test/sem_test.c86
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;
+}