--- /dev/null
+/*
+ * This file is part of rt_sigprocmask strace test.
+ *
+ * Copyright (c) 2016 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 <sys/syscall.h>
+
+#ifdef __NR_rt_sigprocmask
+
+# include <assert.h>
+# include <signal.h>
+# include <stdio.h>
+# include <string.h>
+# include <unistd.h>
+
+static long
+k_sigprocmask(const unsigned long how, void *const new_set,
+ void *const old_set, const unsigned long size)
+{
+ return syscall(__NR_rt_sigprocmask, how, new_set, old_set, size);
+}
+
+static void
+iterate(const char *const text, void *set, void *old, unsigned int size)
+{
+ for (;;) {
+ if (k_sigprocmask(SIG_UNBLOCK, set, old, size)) {
+ if (size < sizeof(long))
+ tprintf("rt_sigprocmask(SIG_UNBLOCK"
+ ", %p, %p, %u) = -1 EINVAL (%m)\n",
+ set, old, size);
+ else
+ tprintf("rt_sigprocmask(SIG_UNBLOCK"
+ ", %s, %p, %u) = -1 EINVAL (%m)\n",
+ text, old, size);
+ } else {
+ tprintf("rt_sigprocmask(SIG_UNBLOCK, %s, [], %u)"
+ " = 0\n", text, size);
+ }
+ if (!size)
+ break;
+ size >>= 1;
+ set += size;
+ old += size;
+ }
+}
+
+int
+main(void)
+{
+ tprintf("%s", "");
+
+ const unsigned int big_size = 1024 / 8;
+ unsigned int set_size;
+
+ for (set_size = big_size; set_size; set_size >>= 1) {
+ if (!k_sigprocmask(SIG_SETMASK, NULL, NULL, set_size))
+ break;
+ tprintf("rt_sigprocmask(SIG_SETMASK, NULL, NULL, %u)"
+ " = -1 EINVAL (%m)\n", set_size);
+ }
+ if (!set_size)
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_SETMASK, NULL, NULL, %u) = 0\n",
+ set_size);
+
+ void *const k_set = tail_alloc(set_size);
+ void *const old_set = tail_alloc(set_size);
+ sigset_t *const libc_set = tail_alloc(sizeof(sigset_t));
+
+ memset(k_set, 0, set_size);
+ if (k_sigprocmask(SIG_SETMASK, k_set, NULL, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_SETMASK, [], NULL, %u) = 0\n", set_size);
+
+ if (k_sigprocmask(SIG_UNBLOCK, k_set - set_size, old_set, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[], [], %u) = 0\n", set_size);
+
+ assert(k_sigprocmask(SIG_SETMASK, k_set - set_size,
+ old_set, set_size << 1) == -1);
+ tprintf("rt_sigprocmask(SIG_SETMASK, %p, %p, %u) = -1 EINVAL (%m)\n",
+ k_set - set_size, old_set, set_size << 1);
+
+ iterate("~[]", k_set - set_size, old_set, set_size >> 1);
+
+ sigemptyset(libc_set);
+ sigaddset(libc_set, SIGHUP);
+ memcpy(k_set, libc_set, set_size);
+
+ if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_BLOCK, [HUP], [], %u) = 0\n", set_size);
+
+ memset(libc_set, -1, sizeof(sigset_t));
+ sigdelset(libc_set, SIGHUP);
+ memcpy(k_set, libc_set, set_size);
+
+ if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[HUP], [HUP], %u) = 0\n",
+ set_size);
+
+ sigdelset(libc_set, SIGKILL);
+ memcpy(k_set, libc_set, set_size);
+
+ if (k_sigprocmask(SIG_UNBLOCK, k_set, old_set, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_UNBLOCK, ~[HUP KILL], [HUP], %u) = 0\n",
+ set_size);
+
+ sigemptyset(libc_set);
+ sigaddset(libc_set, SIGHUP);
+ sigaddset(libc_set, SIGINT);
+ sigaddset(libc_set, SIGQUIT);
+ sigaddset(libc_set, SIGALRM);
+ sigaddset(libc_set, SIGTERM);
+ memcpy(k_set, libc_set, set_size);
+
+ if (k_sigprocmask(SIG_BLOCK, k_set, old_set, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_BLOCK, %s, [HUP], %u) = 0\n",
+ "[HUP INT QUIT ALRM TERM]", set_size);
+
+ if (k_sigprocmask(SIG_SETMASK, NULL, old_set, set_size))
+ perror_msg_and_fail("rt_sigprocmask");
+ tprintf("rt_sigprocmask(SIG_SETMASK, NULL, %s, %u) = 0\n",
+ "[HUP INT QUIT ALRM TERM]", set_size);
+
+ assert(k_sigprocmask(SIG_SETMASK, k_set + (set_size >> 1), NULL,
+ set_size) == -1);
+ tprintf("rt_sigprocmask(SIG_SETMASK, %p, NULL, %u) = -1 EFAULT (%m)\n",
+ k_set + (set_size >> 1), set_size);
+
+ assert(k_sigprocmask(SIG_SETMASK, k_set, old_set + (set_size >> 1),
+ set_size) == -1);
+ tprintf("rt_sigprocmask(SIG_SETMASK, %s, %p, %u) = -1 EFAULT (%m)\n",
+ "[HUP INT QUIT ALRM TERM]",
+ old_set + (set_size >> 1), set_size);
+
+ tprintf("+++ exited with 0 +++\n");
+ return 0;
+}
+
+#else
+
+SKIP_MAIN_UNDEFINED("__NR_rt_sigprocmask")
+
+#endif
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