* Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
* Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; only version 2 of the License.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2 only,
+ * as published by the Free Software Foundation.
*
- * This program 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 General Public License for
- * more details.
+ * This program 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 General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
- * Place - Suite 330, Boston, MA 02111-1307, USA.
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _GNU_SOURCE
#include <unistd.h>
#include <urcu.h>
-#include <common/lttngerr.h>
+#include <common/error.h>
#include "shm.h"
ret = chown(shm_path, 0, 0);
if (ret < 0) {
if (errno != ENOENT) {
- perror("chown wait shm");
+ PERROR("chown wait shm");
goto error;
}
}
ret = chown(shm_path, getuid(), getgid());
if (ret < 0) {
if (errno != ENOENT) {
- perror("chown wait shm");
+ PERROR("chown wait shm");
goto error;
}
}
ret = chmod(shm_path, mode);
if (ret < 0) {
if (errno != ENOENT) {
- perror("chmod wait shm");
+ PERROR("chmod wait shm");
goto error;
}
}
*/
wait_shm_fd = shm_open(shm_path, O_RDWR | O_CREAT, mode);
if (wait_shm_fd < 0) {
- perror("shm_open wait shm");
+ PERROR("shm_open wait shm");
goto error;
}
ret = ftruncate(wait_shm_fd, mmap_size);
if (ret < 0) {
- perror("ftruncate wait shm");
+ PERROR("ftruncate wait shm");
exit(EXIT_FAILURE);
}
+#ifndef __FreeBSD__
ret = fchmod(wait_shm_fd, mode);
if (ret < 0) {
- perror("fchmod");
+ PERROR("fchmod");
exit(EXIT_FAILURE);
}
+#else
+#warning "FreeBSD does not support setting file mode on shm FD. Remember that for secure use, lttng-sessiond should be started before applications linked on lttng-ust."
+#endif
DBG("Got the wait shm fd %d", wait_shm_fd);
/* close shm fd immediately after taking the mmap reference */
ret = close(wait_shm_fd);
if (ret) {
- perror("Error closing fd");
+ PERROR("Error closing fd");
}
if (wait_shm_mmap == MAP_FAILED) {