@@ -35,6 +35,11 @@ __BEGIN_DECLS
#define FAIL_EXIT1(...) \
support_exit_failure_impl (1, __FILE__, __LINE__, __VA_ARGS__)
+/* Print failure message and terminate with as unsupported test (exit
+ status of 77). */
+#define FAIL_UNSUPPORTED(...) \
+ support_exit_failure_impl (77, __FILE__, __LINE__, __VA_ARGS__)
+
int support_print_failure_impl (const char *file, int line,
const char *format, ...)
__attribute__ ((nonnull (1), format (printf, 3, 4)));
@@ -30,6 +30,8 @@ routines := ftok \
semop semget semctl semtimedop \
shmat shmdt shmget shmctl
+tests := test-sysvmsg
+
include ../Rules
CFLAGS-msgrcv.c = -fexceptions -fasynchronous-unwind-tables
new file mode 100644
@@ -0,0 +1,128 @@
+/* Basic tests for SYSV message queue functions.
+ Copyright (C) 2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/msg.h>
+
+#include <support/support.h>
+#include <support/check.h>
+#include <support/temp_file.h>
+
+#define TEXTSIZE 32
+struct msgbuf_t
+{
+#ifdef _GNU_SOURCE
+ __syscall_slong_t type;
+#else
+ long type;
+#endif
+ char buf[TEXTSIZE];
+};
+
+#define MSGTYPE 0x01020304
+#define MSGDATA "0123456789"
+
+/* These are for the temporary file we generate. */
+static char *name;
+static int msqid;
+
+static void
+remove_msq (void)
+{
+ /* Enforce message queue removal in case of early test failure.
+ Ignore error since the msgq may already have being removed. */
+ msgctl (msqid, IPC_RMID, NULL);
+}
+
+static void
+do_prepare (int argc, char *argv[])
+{
+ int fd = create_temp_file ("tst-sysvmsg.", &name);
+ if (fd == -1)
+ FAIL_EXIT1 ("cannot create temporary file (errno=%d)", errno);
+}
+
+#define PREPARE do_prepare
+
+/* It is not an extensive test, but rather a functional one aimed to check
+ correct parameter passing on kernel. */
+
+#define MSGQ_MODE 0644
+
+static int
+do_test (void)
+{
+ atexit (remove_msq);
+
+ key_t key = ftok (name, 'G');
+ if (key == -1)
+ FAIL_EXIT1 ("ftok failed");
+
+ msqid = msgget (key, MSGQ_MODE | IPC_CREAT);
+ if (msqid == -1)
+ {
+ if (errno == ENOSYS)
+ FAIL_UNSUPPORTED ("msgget not supported");
+ FAIL_EXIT1 ("msgget failed (errno=%d)", errno);
+ }
+
+ /* Get message queue kernel information and do some sanity checks. */
+ struct msqid_ds msginfo;
+ if (msgctl (msqid, IPC_STAT, &msginfo) == -1)
+ FAIL_EXIT1 ("msgctl with IPC_STAT failed (errno=%d)", errno);
+
+ if (msginfo.msg_perm.__key != key)
+ FAIL_EXIT1 ("msgid_ds::msg_perm::key (%d) != %d",
+ (int) msginfo.msg_perm.__key, (int) key);
+ if (msginfo.msg_perm.mode != MSGQ_MODE)
+ FAIL_EXIT1 ("msgid_ds::msg_perm::mode (%o) != %o",
+ msginfo.msg_perm.mode, MSGQ_MODE);
+ if (msginfo.msg_qnum != 0)
+ FAIL_EXIT1 ("msgid_ds::msg_qnum (%lu) != 0",
+ (long unsigned) msginfo.msg_qnum);
+
+ /* Check if last argument (IPC_NOWAIT) is correctly handled. */
+ struct msgbuf_t msg2rcv = { 0 };
+ if (msgrcv (msqid, &msg2rcv, sizeof (msg2rcv.buf), MSGTYPE,
+ IPC_NOWAIT) == -1
+ && errno != ENOMSG)
+ FAIL_EXIT1 ("msgrcv failed (errno=%d)", errno);
+
+ struct msgbuf_t msg2snd = { MSGTYPE, MSGDATA };
+ if (msgsnd (msqid, &msg2snd, sizeof (msg2snd.buf), 0) == -1)
+ FAIL_EXIT1 ("msgsnd failed (errno=%d)", errno);
+
+ if (msgrcv (msqid, &msg2rcv, sizeof (msg2rcv.buf), MSGTYPE, 0) == -1)
+ FAIL_EXIT1 ("msgrcv failed (errno=%d)", errno);
+
+ int ret = 0;
+ if (strncmp (msg2snd.buf, msg2rcv.buf, TEXTSIZE) != 0)
+ ret = 1;
+
+ if (msgctl (msqid, IPC_RMID, NULL) == -1)
+ FAIL_EXIT1 ("msgctl failed");
+
+ return ret;
+}
+
+#include <support/test-driver.c>