From: Dmitry V. Levin <ldv@altlinux.org>
Date: Sun, 28 May 2017 00:09:52 +0000 (+0000)
Subject: tests: check decoding of sigpending syscall
X-Git-Tag: v4.18~152
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=221da524adb5f8b1c590d39343795ae0e82fabff;p=strace

tests: check decoding of sigpending syscall

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

diff --git a/tests/.gitignore b/tests/.gitignore
index 3bdc8f4c..2b88b27e 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -331,6 +331,7 @@ siginfo
 signal
 signal_receive
 signalfd4
+sigpending
 sigprocmask
 sigreturn
 sigsuspend
diff --git a/tests/gen_tests.in b/tests/gen_tests.in
index 0c74f33d..89f7737f 100644
--- 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
+sigpending	-a15
 sigprocmask	-a34
 sigreturn	-esignal='!USR1'
 sigsuspend	-a19 -esignal=none
diff --git a/tests/pure_executables.list b/tests/pure_executables.list
index 4486052c..b4df4ba2 100755
--- a/tests/pure_executables.list
+++ b/tests/pure_executables.list
@@ -271,6 +271,7 @@ sigaltstack
 siginfo
 signal
 signalfd4
+sigpending
 sigprocmask
 sigreturn
 sigsuspend
diff --git a/tests/sigpending.c b/tests/sigpending.c
new file mode 100644
index 00000000..0ce4b219
--- /dev/null
+++ b/tests/sigpending.c
@@ -0,0 +1,106 @@
+/*
+ * 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