]> granicus.if.org Git - strace/blobdiff - tests/xetitimer.c
strace: terminate itself if interrupted by a signal
[strace] / tests / xetitimer.c
index 9c9fd997adc7f9c13e64444b5f44488cb0ecacf0..80c81a1aee8c9deef215b8d08aa32a5221fb850a 100644 (file)
 /*
- * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
- * All rights reserved.
+ * Check decoding of setitimer and getitimer syscalls.
  *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission.
+ * Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "tests.h"
 #include <stdio.h>
 #include <stdint.h>
 #include <sys/time.h>
+#include <unistd.h>
+#include <asm/unistd.h>
 
 int
 main(void)
 {
-       struct {
-               struct itimerval itv;
-               uint32_t pad[4];
-       } old = {
-               .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
-       }, new = {
-               .itv = {
-                       .it_interval = { 0xc0de1, 0xc0de2 },
-                       .it_value = { 0xc0de3, 0xc0de4 }
-               },
-               .pad = { 0xdeadbeef, 0xbadc0ded, 0xdeadbeef, 0xbadc0ded }
+       static const struct itimerval new = {
+               .it_interval = { 0xc0de1, 0xc0de2 },
+               .it_value = { 0xc0de3, 0xc0de4 }
        };
+       static const kernel_ulong_t long_timer =
+               F8ILL_KULONG_MASK | ITIMER_REAL;
+       static const kernel_ulong_t bogus_timer =
+               (kernel_ulong_t) 0xfacefeeddeadbeefULL;
+
+       TAIL_ALLOC_OBJECT_CONST_PTR(struct itimerval, p_old);
+       struct itimerval *const p_new = tail_memdup(&new, sizeof(new));
+       void *const efault = tail_alloc(sizeof(new) - 8);
+       long rc;
 
-       if (setitimer(ITIMER_REAL, &new.itv, &old.itv))
+       if (setitimer(ITIMER_REAL, p_new, NULL))
                perror_msg_and_skip("setitimer");
        printf("setitimer(ITIMER_REAL"
-              ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
-              ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
-              ") = 0\n",
-              (intmax_t) new.itv.it_interval.tv_sec,
-              (intmax_t) new.itv.it_interval.tv_usec,
-              (intmax_t) new.itv.it_value.tv_sec,
-              (intmax_t) new.itv.it_value.tv_usec,
-              (intmax_t) old.itv.it_interval.tv_sec,
-              (intmax_t) old.itv.it_interval.tv_usec,
-              (intmax_t) old.itv.it_value.tv_sec,
-              (intmax_t) old.itv.it_value.tv_usec);
-
-       if (getitimer(ITIMER_REAL, &old.itv))
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}"
+              ", NULL) = 0\n",
+              (long long) new.it_interval.tv_sec,
+              zero_extend_signed_to_ull(new.it_interval.tv_usec),
+              (long long) new.it_value.tv_sec,
+              zero_extend_signed_to_ull(new.it_value.tv_usec));
+
+       fill_memory(p_old, sizeof(*p_old));
+       if (getitimer(ITIMER_REAL, p_old))
                perror_msg_and_skip("getitimer");
        printf("getitimer(ITIMER_REAL"
-              ", {it_interval={%jd, %jd}, it_value={%jd, %jd}}"
-              ") = 0\n",
-              (intmax_t) old.itv.it_interval.tv_sec,
-              (intmax_t) old.itv.it_interval.tv_usec,
-              (intmax_t) old.itv.it_value.tv_sec,
-              (intmax_t) old.itv.it_value.tv_usec);
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n",
+              (long long) p_old->it_interval.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
+              (long long) p_old->it_value.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_value.tv_usec));
+
+       fill_memory(p_old, sizeof(*p_old));
+       setitimer(ITIMER_REAL, p_new, p_old);
+       printf("setitimer(ITIMER_REAL"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}) = 0\n",
+              (long long) new.it_interval.tv_sec,
+              zero_extend_signed_to_ull(new.it_interval.tv_usec),
+              (long long) new.it_value.tv_sec,
+              zero_extend_signed_to_ull(new.it_value.tv_usec),
+              (long long) p_old->it_interval.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
+              (long long) p_old->it_value.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_value.tv_usec));
+
+       rc = getitimer(ITIMER_REAL, efault);
+       printf("getitimer(ITIMER_REAL, %p) = %s\n", efault, sprintrc(rc));
+
+       rc = setitimer(ITIMER_REAL, p_new, efault);
+       printf("setitimer(ITIMER_REAL"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
+              (long long) new.it_interval.tv_sec,
+              zero_extend_signed_to_ull(new.it_interval.tv_usec),
+              (long long) new.it_value.tv_sec,
+              zero_extend_signed_to_ull(new.it_value.tv_usec),
+              efault, sprintrc(rc));
+
+       rc = setitimer(ITIMER_REAL, efault, p_old);
+       printf("setitimer(ITIMER_REAL, %p, %p) = %s\n",
+              efault, p_old, sprintrc(rc));
+
+       fill_memory(p_old, sizeof(*p_old));
+       rc = syscall(__NR_setitimer, long_timer, p_new, p_old);
+       printf("setitimer(ITIMER_REAL"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n",
+              (long long) new.it_interval.tv_sec,
+              zero_extend_signed_to_ull(new.it_interval.tv_usec),
+              (long long) new.it_value.tv_sec,
+              zero_extend_signed_to_ull(new.it_value.tv_usec),
+              (long long) p_old->it_interval.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
+              (long long) p_old->it_value.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_value.tv_usec),
+              sprintrc(rc));
+
+       fill_memory(p_old, sizeof(*p_old));
+       rc = syscall(__NR_getitimer, long_timer, p_old);
+       printf("getitimer(ITIMER_REAL"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}) = %s\n",
+              (long long) p_old->it_interval.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_interval.tv_usec),
+              (long long) p_old->it_value.tv_sec,
+              zero_extend_signed_to_ull(p_old->it_value.tv_usec),
+              sprintrc(rc));
+
+       rc = syscall(__NR_setitimer, bogus_timer, p_new, p_old);
+       printf("setitimer(%#x /* ITIMER_??? */"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
+              (int) bogus_timer,
+              (long long) new.it_interval.tv_sec,
+              zero_extend_signed_to_ull(new.it_interval.tv_usec),
+              (long long) new.it_value.tv_sec,
+              zero_extend_signed_to_ull(new.it_value.tv_usec),
+              p_old, sprintrc(rc));
+
+       rc = syscall(__NR_getitimer, bogus_timer, p_old);
+       printf("getitimer(%#x /* ITIMER_??? */, %p) = %s\n",
+              (int) bogus_timer, p_old, sprintrc(rc));
+
+       if (F8ILL_KULONG_SUPPORTED) {
+               const kernel_ulong_t ill_new = f8ill_ptr_to_kulong(p_new);
+               const kernel_ulong_t ill_old = f8ill_ptr_to_kulong(p_old);
+
+               rc = syscall(__NR_setitimer, long_timer, ill_new, ill_old);
+               printf("setitimer(ITIMER_REAL, %#llx, %#llx) = %s\n",
+                      (unsigned long long) ill_new,
+                      (unsigned long long) ill_old,
+                      sprintrc(rc));
+
+               rc = syscall(__NR_getitimer, long_timer, ill_old);
+               printf("getitimer(ITIMER_REAL, %#llx) = %s\n",
+                      (unsigned long long) ill_old, sprintrc(rc));
+       }
+
+       p_new->it_interval.tv_sec = 0xdeadbeefU;
+       p_new->it_interval.tv_usec = 0xfacefeedU;
+       p_new->it_value.tv_sec = (time_t) 0xcafef00ddeadbeefLL;
+       p_new->it_value.tv_usec = (suseconds_t) 0xbadc0dedfacefeedLL;
+
+       rc = setitimer(ITIMER_REAL, p_new, p_old);
+       printf("setitimer(ITIMER_REAL"
+              ", {it_interval={tv_sec=%lld, tv_usec=%llu}"
+              ", it_value={tv_sec=%lld, tv_usec=%llu}}, %p) = %s\n",
+              (long long) p_new->it_interval.tv_sec,
+              zero_extend_signed_to_ull(p_new->it_interval.tv_usec),
+              (long long) p_new->it_value.tv_sec,
+              zero_extend_signed_to_ull(p_new->it_value.tv_usec),
+              p_old, sprintrc(rc));
 
        puts("+++ exited with 0 +++");
        return 0;