/*
- * Copyright (C) 2013 - David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
*
- * 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.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * 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., 51
- * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _LGPL_SOURCE
}
for (i = 0; i < 2; i++) {
- ret = fcntl(pipe->fd[i], F_SETFD, flags);
- if (ret < 0) {
- PERROR("fcntl lttng pipe %d", flags);
+ if (flags & O_NONBLOCK) {
+ ret = fcntl(pipe->fd[i], F_SETFL, O_NONBLOCK);
+ if (ret < 0) {
+ PERROR("fcntl lttng pipe %d", flags);
+ goto end;
+ }
+ }
+ if (flags & FD_CLOEXEC) {
+ ret = fcntl(pipe->fd[i], F_SETFD, FD_CLOEXEC);
+ if (ret < 0) {
+ PERROR("fcntl lttng pipe %d", flags);
+ goto end;
+ }
+ }
+ /*
+ * We only check for O_NONBLOCK or FD_CLOEXEC, if another flag is
+ * needed, we can add it, but for now just make sure we don't make
+ * mistakes with the parameters we pass.
+ */
+ if (!(flags & O_NONBLOCK) && !(flags & FD_CLOEXEC)) {
+ fprintf(stderr, "Unsupported flag\n");
+ ret = -1;
goto end;
}
}
fd_r = open(path, O_RDONLY | O_NONBLOCK);
if (fd_r < 0) {
PERROR("open fifo");
- ret = fd_r;
goto error;
}
pipe->fd[0] = fd_r;
fd_w = open(path, O_WRONLY | O_NONBLOCK);
if (fd_w < 0) {
PERROR("open fifo");
- ret = fd_w;
goto error;
}
pipe->fd[1] = fd_w;