diff options
Diffstat (limited to 'monitor')
-rw-r--r-- | monitor/misc.c | 58 |
1 files changed, 25 insertions, 33 deletions
diff --git a/monitor/misc.c b/monitor/misc.c index e847b58a8c..0b1b9b196c 100644 --- a/monitor/misc.c +++ b/monitor/misc.c @@ -1547,69 +1547,61 @@ AddfdInfo *monitor_fdset_add_fd(int fd, bool has_fdset_id, int64_t fdset_id, return fdinfo; } -int monitor_fdset_get_fd(int64_t fdset_id, int flags) +int monitor_fdset_dup_fd_add(int64_t fdset_id, int flags) { #ifdef _WIN32 return -ENOENT; #else MonFdset *mon_fdset; - MonFdsetFd *mon_fdset_fd; - int mon_fd_flags; - int ret; qemu_mutex_lock(&mon_fdsets_lock); QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { + MonFdsetFd *mon_fdset_fd; + MonFdsetFd *mon_fdset_fd_dup; + int fd = -1; + int dup_fd; + int mon_fd_flags; + if (mon_fdset->id != fdset_id) { continue; } + QLIST_FOREACH(mon_fdset_fd, &mon_fdset->fds, next) { mon_fd_flags = fcntl(mon_fdset_fd->fd, F_GETFL); if (mon_fd_flags == -1) { - ret = -errno; - goto out; + qemu_mutex_unlock(&mon_fdsets_lock); + return -1; } if ((flags & O_ACCMODE) == (mon_fd_flags & O_ACCMODE)) { - ret = mon_fdset_fd->fd; - goto out; + fd = mon_fdset_fd->fd; + break; } } - ret = -EACCES; - goto out; - } - ret = -ENOENT; - -out: - qemu_mutex_unlock(&mon_fdsets_lock); - return ret; -#endif -} - -int monitor_fdset_dup_fd_add(int64_t fdset_id, int dup_fd) -{ - MonFdset *mon_fdset; - MonFdsetFd *mon_fdset_fd_dup; - qemu_mutex_lock(&mon_fdsets_lock); - QLIST_FOREACH(mon_fdset, &mon_fdsets, next) { - if (mon_fdset->id != fdset_id) { - continue; + if (fd == -1) { + qemu_mutex_unlock(&mon_fdsets_lock); + errno = EACCES; + return -1; } - QLIST_FOREACH(mon_fdset_fd_dup, &mon_fdset->dup_fds, next) { - if (mon_fdset_fd_dup->fd == dup_fd) { - goto err; - } + + dup_fd = qemu_dup_flags(fd, flags); + if (dup_fd == -1) { + qemu_mutex_unlock(&mon_fdsets_lock); + return -1; } + mon_fdset_fd_dup = g_malloc0(sizeof(*mon_fdset_fd_dup)); mon_fdset_fd_dup->fd = dup_fd; QLIST_INSERT_HEAD(&mon_fdset->dup_fds, mon_fdset_fd_dup, next); qemu_mutex_unlock(&mon_fdsets_lock); - return 0; + return dup_fd; } -err: qemu_mutex_unlock(&mon_fdsets_lock); + errno = ENOENT; return -1; +#endif } static int64_t monitor_fdset_dup_fd_find_remove(int dup_fd, bool remove) |