tests: check decoding of sigprocmask syscall

* tests/sigprocmask.c: New file.
* tests/gen_tests.in (sigprocmask): New entry.
* tests/pure_executables.list: Add sigprocmask.
* tests/.gitignore: Likewise.

diff --git a/tests/.gitignore b/tests/.gitignore
index 3ecf7bdae92145f90fc91e61396eb01f61bff31c..3bdc8f4cb1dd2eb3d7d35175732c76bebe8e68b9 100644 (file)
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -331,6 +331,7 @@ siginfo
 signal
 signal_receive
 signalfd4
+sigprocmask
 sigreturn
 sigsuspend
 sleep

diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index ad5fdd74610740d89b71bf4c16d55808e3c9260f..0c74f33d06c2bfbd30184c312620ad93f8e72b5d 100644 (file)
--- a/tests/gen_tests.in
+++ b/tests/gen_tests.in
@@ -284,6 +284,7 @@ siginfo     -e trace=none
 signal -a25 -e signal=none -e trace='/^signal$'
 signal_receive -a16 -e trace=kill
 signalfd4
+sigprocmask    -a34
 sigreturn      -esignal='!USR1'
 sigsuspend     -a19 -esignal=none
 socketcall     -a20

diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index 3b0fbeb314e3e85c13bd929028a122edea3bb255..4486052c55931a092681f59702fff82a1d3ef238 100755 (executable)
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -271,6 +271,7 @@ sigaltstack
 siginfo
 signal
 signalfd4
+sigprocmask
 sigreturn
 sigsuspend
 socketcall

diff --git a/tests/sigprocmask.c b/tests/sigprocmask.c
new file mode 100644 (file)
index 0000000..92a34d7
--- /dev/null
+++ b/tests/sigprocmask.c
@@ -0,0 +1,151 @@
+/*
+ * Check decoding of sigprocmask syscall.
+ *
+ * Copyright (c) 2016-2017 Dmitry V. Levin <ldv@altlinux.org>
+ * All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#include "tests.h"
+#include <asm/unistd.h>
+
+#ifdef __NR_sigprocmask
+
+# include <signal.h>
+# include <stdint.h>
+# include <stdio.h>
+# include <string.h>
+# include <unistd.h>
+
+static const char *errstr;
+
+static long
+k_sigprocmask(const kernel_ulong_t how, const kernel_ulong_t new_set,
+             const kernel_ulong_t old_set)
+{
+       const long rc = syscall(__NR_sigprocmask, how, new_set, old_set);
+       errstr = sprintrc(rc);
+       return rc;
+}
+
+int
+main(void)
+{
+       static const kernel_ulong_t sig_block =
+               (kernel_ulong_t) 0xfacefeed00000000ULL | SIG_BLOCK;
+       static const kernel_ulong_t sig_unblock =
+               (kernel_ulong_t) 0xfacefeed00000000ULL | SIG_UNBLOCK;
+       static const kernel_ulong_t sig_setmask =
+               (kernel_ulong_t) 0xfacefeed00000000ULL | SIG_SETMASK;
+
+       if (k_sigprocmask(sig_setmask, 0, 0))
+               perror_msg_and_skip("sigprocmask");
+       puts("sigprocmask(SIG_SETMASK, NULL, NULL) = 0");
+
+       TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, new_set);
+       TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, old_set);
+       TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
+
+       memset(new_set, 0, sizeof(*new_set));
+       k_sigprocmask(sig_setmask, (uintptr_t) new_set, 0);
+       printf("sigprocmask(SIG_SETMASK, [], NULL) = %s\n", errstr);
+
+       k_sigprocmask(sig_unblock,
+                     (uintptr_t) (new_set - 1), (uintptr_t) old_set);
+       puts("sigprocmask(SIG_UNBLOCK, ~[], []) = 0");
+
+       if (F8ILL_KULONG_SUPPORTED) {
+               k_sigprocmask(sig_unblock, f8ill_ptr_to_kulong(new_set), 0);
+               printf("sigprocmask(SIG_UNBLOCK, %#jx, NULL) = %s\n",
+                      (uintmax_t) f8ill_ptr_to_kulong(new_set), errstr);
+
+               k_sigprocmask(sig_unblock, 0, f8ill_ptr_to_kulong(old_set));
+               printf("sigprocmask(SIG_UNBLOCK, NULL, %#jx) = %s\n",
+                      (uintmax_t) f8ill_ptr_to_kulong(old_set), errstr);
+       }
+
+       sigemptyset(libc_set);
+       sigaddset(libc_set, SIGHUP);
+       memcpy(new_set, libc_set, sizeof(*new_set));
+
+       k_sigprocmask(sig_block, (uintptr_t) new_set, (uintptr_t) old_set);
+       puts("sigprocmask(SIG_BLOCK, [HUP], []) = 0");
+
+       memset(libc_set, -1, sizeof(*libc_set));
+       sigdelset(libc_set, SIGHUP);
+       memcpy(new_set, libc_set, sizeof(*new_set));
+
+       k_sigprocmask(sig_unblock, (uintptr_t) new_set, (uintptr_t) old_set);
+       puts("sigprocmask(SIG_UNBLOCK, ~[HUP], [HUP]) = 0");
+
+       sigdelset(libc_set, SIGKILL);
+       memcpy(new_set, libc_set, sizeof(*new_set));
+
+       k_sigprocmask(sig_unblock, (uintptr_t) new_set, (uintptr_t) old_set);
+       puts("sigprocmask(SIG_UNBLOCK, ~[HUP KILL], [HUP]) = 0");
+
+       sigemptyset(libc_set);
+       sigaddset(libc_set, SIGHUP);
+       sigaddset(libc_set, SIGINT);
+       sigaddset(libc_set, SIGQUIT);
+       sigaddset(libc_set, SIGALRM);
+       sigaddset(libc_set, SIGTERM);
+       memcpy(new_set, libc_set, sizeof(*new_set));
+
+       k_sigprocmask(sig_block, (uintptr_t) new_set, (uintptr_t) old_set);
+       printf("sigprocmask(SIG_BLOCK, %s, [HUP]) = 0\n",
+              "[HUP INT QUIT ALRM TERM]");
+
+       k_sigprocmask(sig_setmask, 0, (uintptr_t) old_set);
+       printf("sigprocmask(SIG_SETMASK, NULL, %s) = 0\n",
+              "[HUP INT QUIT ALRM TERM]");
+
+       k_sigprocmask(sig_setmask, (uintptr_t) (new_set + 1), 0);
+       printf("sigprocmask(SIG_SETMASK, %p, NULL) = %s\n",
+              new_set + 1, errstr);
+
+       k_sigprocmask(sig_setmask,
+                     (uintptr_t) new_set, (uintptr_t) (old_set + 1));
+       printf("sigprocmask(SIG_SETMASK, %s, %p) = %s\n",
+              "[HUP INT QUIT ALRM TERM]", old_set + 1, errstr);
+
+       uintptr_t efault = sizeof(*new_set) / 2 + (uintptr_t) new_set;
+
+       k_sigprocmask(sig_setmask, efault, 0);
+       printf("sigprocmask(SIG_SETMASK, %#jx, NULL) = %s\n",
+              (uintmax_t) efault, errstr);
+
+       k_sigprocmask(sig_setmask, 0, efault);
+       printf("sigprocmask(SIG_SETMASK, NULL, %#jx) = %s\n",
+              (uintmax_t) efault, errstr);
+
+       puts("+++ exited with 0 +++");
+       return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_sigprocmask")
+
+#endif