From: Fei Jie <feij.fnst@cn.fujitsu.com>
Date: Mon, 18 Apr 2016 07:10:54 +0000 (+0800)
Subject: tests: add shmxt.test
X-Git-Tag: v4.12~413
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=39a33b171bca6cf92140322aa4ec41992841a27e;p=strace

tests: add shmxt.test

* tests/shmxt.c: New file.
* tests/shmxt.test: New test.
* tests/.gitignore: Add shmxt.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add shmxt.test.
---

diff --git a/tests/.gitignore b/tests/.gitignore
index 3d1dbef7..9f96e3a7 100644
--- a/tests/.gitignore
+++ b/tests/.gitignore
@@ -143,6 +143,7 @@ sendfile
 sendfile64
 set_ptracer_any
 sethostname
+shmxt
 sigaction
 sigaltstack
 signalfd
diff --git a/tests/Makefile.am b/tests/Makefile.am
index f31b6007..5069c199 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -193,6 +193,7 @@ check_PROGRAMS = \
 	sendfile64 \
 	set_ptracer_any \
 	sethostname \
+	shmxt \
 	sigaction \
 	sigaltstack \
 	signalfd \
@@ -399,6 +400,7 @@ DECODER_TESTS = \
 	sendfile.test \
 	sendfile64.test \
 	sethostname.test \
+	shmxt.test \
 	sigaction.test \
 	sigaltstack.test \
 	signalfd.test \
diff --git a/tests/shmxt.c b/tests/shmxt.c
new file mode 100644
index 00000000..628f5b2b
--- /dev/null
+++ b/tests/shmxt.c
@@ -0,0 +1,51 @@
+#include "tests.h"
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/shm.h>
+
+static int id = -1;
+
+static void
+cleanup(void)
+{
+	shmctl(id, IPC_RMID, NULL);
+	id = -1;
+}
+
+#ifdef __alpha__
+# define SHMAT "osf_shmat"
+#else
+# define SHMAT "shmat"
+#endif
+
+int
+main(void)
+{
+	id = shmget(IPC_PRIVATE, 1, 0600);
+	if (id < 0)
+		perror_msg_and_skip("shmget");
+	atexit(cleanup);
+
+	shmat(id, NULL, SHM_REMAP);
+	printf("%s(%d, NULL, SHM_REMAP) = -1 %s (%m)\n",
+	       SHMAT, id, errno == ENOSYS ? "ENOSYS" : "EINVAL");
+
+	void *shmaddr = shmat(id, NULL, SHM_RDONLY);
+	if (shmaddr == (void *)(-1))
+		perror_msg_and_skip("shmat SHM_RDONLY");
+	printf("%s(%d, NULL, SHM_RDONLY) = %p\n", SHMAT, id, shmaddr);
+
+	if (shmdt(shmaddr))
+		perror_msg_and_skip("shmdt");
+	printf("shmdt(%p) = 0\n", shmaddr);
+
+	void *shmaddr2 = shmat(id, shmaddr, SHM_RND);
+	if (shmaddr2 == (void *)(-1))
+		perror_msg_and_skip("shmat SHM_RND");
+	printf("%s(%d, %p, SHM_RND) = %p\n",
+	       SHMAT, id, shmaddr, shmaddr2);
+
+	puts("+++ exited with 0 +++");
+	return 0;
+}
diff --git a/tests/shmxt.test b/tests/shmxt.test
new file mode 100755
index 00000000..3757cfa4
--- /dev/null
+++ b/tests/shmxt.test
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Check shmat and shmdt syscalls decoding.
+
+. "${srcdir=.}/init.sh"
+
+case "$STRACE_ARCH" in
+	alpha) shmat=osf_shmat ;;
+	*) shmat=shmat ;;
+esac
+
+run_strace_match_diff -e trace=$shmat,shmdt -a11