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Diffstat (limited to 'regress/lib/libc/stdio_threading/fputs/fputs_test.c')
-rwxr-xr-xregress/lib/libc/stdio_threading/fputs/fputs_test.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/regress/lib/libc/stdio_threading/fputs/fputs_test.c b/regress/lib/libc/stdio_threading/fputs/fputs_test.c
new file mode 100755
index 00000000000..c0a617510e9
--- /dev/null
+++ b/regress/lib/libc/stdio_threading/fputs/fputs_test.c
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2008 Bret S. Lambert <blambert@openbsd.org>
+ *
+ * Permission to use, copy, modify, and 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.
+ *
+ * THE 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 "local.h"
+
+void
+fputs_thread(void *v)
+{
+ FILE *file = v;
+ int i;
+
+ for (i = 0; i < 4096; i++) {
+ if (fputs(TEXT, file) != 0) {
+
+ if (feof(file))
+ break;
+
+ printf("OMG!!!\n");
+ fflush(stdout);
+ break;
+ }
+ }
+}
+
+int
+main(void)
+{
+ char sfn[24];
+ char buf[sizeof(TEXT)];
+ FILE *sfp;
+ int fd, i;
+
+ strlcpy(sfn, "/tmp/barnacles.XXXXXXXX", sizeof(sfn));
+ if ((fd = mkstemp(sfn)) == -1 ||
+ (sfp = fdopen(fd, "w+")) == NULL) {
+ if (fd != -1) {
+ unlink(sfn);
+ close(fd);
+ }
+ err(1, "could not open temporary file");
+ }
+
+ run_threads(fputs_thread, sfp);
+
+ while (fgets(buf, sizeof(buf), sfp) != NULL) /* verify */
+ if (strcmp(buf, TEXT))
+ err(1, "Thread writes were not atomic!!!");
+
+ unlink(sfn);
+ close(fd);
+
+ exit(0);
+}