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| author | Fabiano Rosas <farosas@suse.de> | 2024-03-11 20:33:34 -0300 |
|---|---|---|
| committer | Peter Xu <peterx@redhat.com> | 2024-03-12 15:22:23 -0400 |
| commit | 4760cedc61328e47bf7f1fabceb9937facfa4cdd (patch) | |
| tree | 6eef4197a0c83d12afca866005569787b03106f4 /io | |
| parent | 35ac6831d98e18e2c78c85c93e3a6ca1f1ae3e58 (diff) | |
| download | qemu-4760cedc61328e47bf7f1fabceb9937facfa4cdd.zip qemu-4760cedc61328e47bf7f1fabceb9937facfa4cdd.tar.gz qemu-4760cedc61328e47bf7f1fabceb9937facfa4cdd.tar.bz2 | |
io: Introduce qio_channel_file_new_dupfd
Add a new helper function for creating a QIOChannelFile channel with a
duplicated file descriptor. This saves the calling code from having to
do error checking on the dup() call.
Suggested-by: "Daniel P. Berrangé" <berrange@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: "Daniel P. Berrangé" <berrange@redhat.com>
Link: https://lore.kernel.org/r/20240311233335.17299-2-farosas@suse.de
Signed-off-by: Peter Xu <peterx@redhat.com>
Diffstat (limited to 'io')
| -rw-r--r-- | io/channel-file.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/io/channel-file.c b/io/channel-file.c index a6ad777..6436cfb 100644 --- a/io/channel-file.c +++ b/io/channel-file.c @@ -45,6 +45,18 @@ qio_channel_file_new_fd(int fd) return ioc; } +QIOChannelFile * +qio_channel_file_new_dupfd(int fd, Error **errp) +{ + int newfd = dup(fd); + + if (newfd < 0) { + error_setg_errno(errp, errno, "Could not dup FD %d", fd); + return NULL; + } + + return qio_channel_file_new_fd(newfd); +} QIOChannelFile * qio_channel_file_new_path(const char *path, |