From eac5e6eee91332c3c98f4c5a3ee2d55ec1723d81 Mon Sep 17 00:00:00 2001
From: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Date: Fri, 3 Jul 2009 00:20:19 +0200
Subject: add testcases for shm_{open,unlink}
Reported-by: Mikael Lund Jepsen <mlj@iccc.dk>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
test/librt/Makefile | 6 +++
test/librt/shmtest.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 108 insertions(+)
create mode 100644 test/librt/Makefile
create mode 100644 test/librt/shmtest.c
(limited to 'test')
diff --git a/test/librt/Makefile b/test/librt/Makefile
new file mode 100644
index 000000000..362d5d5c1
--- /dev/null
+++ b/test/librt/Makefile
@@ -0,0 +1,6 @@
+# uClibc shm tests
+# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+
+include ../Test.mak
+
+LDFLAGS_shmtest := -lrt
diff --git a/test/librt/shmtest.c b/test/librt/shmtest.c
new file mode 100644
index 000000000..8f40047be
--- /dev/null
+++ b/test/librt/shmtest.c
@@ -0,0 +1,102 @@
+/* Copyright (C) 2009 Mikael Lund Jepsen <mlj@iccc.dk>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <errno.h>
+#include <fcntl.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+char shared_name[] = "/sharetest";
+int test_data[11] = {0,1,2,3,4,5,6,7,8,9,10};
+
+int main(void) {
+ int pfds[2];
+ pid_t pid;
+ int fd;
+ int test_data_fails = 0;
+ char *ptest_data;
+ unsigned int i;
+ char buf[30];
+ int rv;
+
+ pipe(pfds);
+
+ switch(pid = fork()) {
+ case -1:
+ perror("fork");
+ exit(1); /* parent exits */
+
+ case 0:
+ /* Child */
+
+ /* wait for parent */
+ read(pfds[0], buf, 5);
+
+ fd = shm_open(shared_name, O_RDWR, DEFFILEMODE);
+ if (fd == -1) {
+ perror("CHILD - shm_open(existing):");
+ exit(1);
+ } else {
+ ptest_data = mmap(0, sizeof(test_data), PROT_READ + PROT_WRITE, MAP_SHARED, fd, 0);
+ if (ptest_data != MAP_FAILED) {
+ for (i=0; i < sizeof(test_data); i++) {
+ if (ptest_data[i] != test_data[i]) {
+ printf("%-40s: Offset %d, local %d, shm %d", "Compare memory error", i, test_data[i], ptest_data[i]);
+ test_data_fails++;
+ }
+ }
+ if (test_data_fails == 0)
+ printf("%-40s: %s\n", "Compare memory", "Success");
+
+ munmap(ptest_data, sizeof(test_data));
+ }
+ }
+ exit(0);
+
+ default:
+ /* Parent */
+ fd = shm_open(shared_name, O_RDWR+O_CREAT+O_EXCL, DEFFILEMODE );
+ if (fd == -1) {
+ perror("PARENT - shm_open(create):");
+ } else {
+ if ((ftruncate(fd, sizeof(test_data))) == -1)
+ {
+ printf("%-40s: %s", "ftruncate", strerror(errno));
+ shm_unlink(shared_name);
+ return 0;
+ }
+
+ ptest_data = mmap(0, sizeof(test_data), PROT_READ + PROT_WRITE, MAP_SHARED, fd, 0);
+ if (ptest_data == MAP_FAILED)
+ {
+ perror("PARENT - mmap:");
+ if (shm_unlink(shared_name) == -1) {
+ perror("PARENT - shm_unlink:");
+ }
+ return 0;
+ }
+ for (i=0; i <sizeof(test_data); i++)
+ ptest_data[i] = test_data[i];
+
+ /* signal child */
+ write(pfds[1], "rdy", 5);
+ /* wait for child */
+ wait(&rv);
+
+ /* Cleanup */
+ munmap(ptest_data, sizeof(test_data));
+ if (shm_unlink(shared_name) == -1) {
+ perror("PARENT - shm_unlink:");
+ }
+ }
+ }
+ return 0;
+}
--
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