strace: terminate itself if interrupted by a signal

[strace] / tests / time.c

diff --git a/tests/time.c b/tests/time.c
index 7a9d353d18b6225628a8fe1511912c1f47da6ff6..b8cee04d9175be5a4b86b879d3391c23d564a7a5 100644 (file)
--- a/tests/time.c
+++ b/tests/time.c
@@ -1,33 +1,44 @@
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-#include <time.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <sys/syscall.h>
+/*
+ * This file is part of time strace test.
+ *
+ * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2015-2017 The strace developers.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#include "tests.h"
+#include <asm/unistd.h>
 
 #ifdef __NR_time
 
+# include <time.h>
+# include <stdio.h>
+# include <stdint.h>
+# include <unistd.h>
+
 int
 main(void)
 {
-       const size_t page_len = sysconf(_SC_PAGESIZE);
-
-       void *p = mmap(NULL, page_len * 2, PROT_READ | PROT_WRITE,
-                      MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-       if (p == MAP_FAILED || mprotect(p + page_len, page_len, PROT_NONE))
-               return 77;
+       TAIL_ALLOC_OBJECT_CONST_PTR(time_t, p);
 
-       time_t *p_t = p + page_len - sizeof(time_t);
-       time_t t = syscall(__NR_time, p_t);
+       time_t t = syscall(__NR_time, NULL);
+       if ((time_t) -1 == t)
+               perror_msg_and_skip("time");
+       printf("time(NULL) = %lld (", (long long) t);
+       print_time_t_nsec(t, 0, 0);
+       puts(")");
 
-       if ((time_t) -1 == t || t != *p_t)
-               return 77;
+       t = syscall(__NR_time, p + 1);
+       printf("time(%p) = %s\n", p + 1, sprintrc(t));
 
-       printf("time([%jd]) = %jd\n", (intmax_t) t, (intmax_t) t);
+       t = syscall(__NR_time, p);
+       printf("time([%lld", (long long) *p);
+       print_time_t_nsec((time_t) *p, 0, 1),
+       printf("]) = %lld (", (long long) t);
+       print_time_t_nsec(t, 0, 0);
+       puts(")");
 
        puts("+++ exited with 0 +++");
        return 0;
@@ -35,10 +46,6 @@ main(void)
 
 #else
 
-int
-main(void)
-{
-       return 77;
-}
+SKIP_MAIN_UNDEFINED("__NR_time")
 
 #endif