--- /dev/null
+/*
+ * Check decoding of sigpending 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_sigpending
+
+# include <signal.h>
+# include <stdint.h>
+# include <stdio.h>
+# include <string.h>
+# include <unistd.h>
+
+static const char *errstr;
+
+static long
+k_sigpending(const kernel_ulong_t set)
+{
+ const long rc = syscall(__NR_sigpending, set);
+ errstr = sprintrc(rc);
+ return rc;
+}
+
+int
+main(void)
+{
+ TAIL_ALLOC_OBJECT_CONST_PTR(kernel_ulong_t, k_set);
+ TAIL_ALLOC_OBJECT_CONST_PTR(sigset_t, libc_set);
+
+ sigemptyset(libc_set);
+ if (sigprocmask(SIG_SETMASK, libc_set, NULL))
+ perror_msg_and_fail("sigprocmask");
+
+ if (k_sigpending((uintptr_t) libc_set))
+ perror_msg_and_skip("sigpending");
+ else
+ puts("sigpending([]) = 0");
+
+ k_sigpending((uintptr_t) k_set);
+ puts("sigpending([]) = 0");
+
+ k_sigpending((uintptr_t) (k_set + 1));
+ printf("sigpending(%p) = -1 EFAULT (%m)\n", k_set + 1);
+
+ uintptr_t efault = sizeof(*k_set) / 2 + (uintptr_t) k_set;
+ k_sigpending(efault);
+ printf("sigpending(%#jx) = -1 EFAULT (%m)\n", (uintmax_t) efault);
+
+ sigaddset(libc_set, SIGHUP);
+ if (sigprocmask(SIG_SETMASK, libc_set, NULL))
+ perror_msg_and_fail("sigprocmask");
+ raise(SIGHUP);
+
+ k_sigpending((uintptr_t) k_set);
+ puts("sigpending([HUP]) = 0");
+
+ sigaddset(libc_set, SIGINT);
+ if (sigprocmask(SIG_SETMASK, libc_set, NULL))
+ perror_msg_and_fail("sigprocmask");
+ raise(SIGINT);
+
+ k_sigpending((uintptr_t) k_set);
+ puts("sigpending([HUP INT]) = 0");
+
+ if (F8ILL_KULONG_SUPPORTED) {
+ k_sigpending(f8ill_ptr_to_kulong(k_set));
+ printf("sigpending(%#jx) = %s\n",
+ (uintmax_t) f8ill_ptr_to_kulong(k_set), errstr);
+ }
+
+ puts("+++ exited with 0 +++");
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_sigpending")
+
+#endif