From 7eceb43433634ee253507208baf1d8298b40e377 Mon Sep 17 00:00:00 2001 From: Anton Kling Date: Thu, 28 Mar 2024 10:34:00 +0100 Subject: new stuff --- kernel/fs/vfs.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'kernel/fs/vfs.c') diff --git a/kernel/fs/vfs.c b/kernel/fs/vfs.c index f2b763c..505d6ae 100644 --- a/kernel/fs/vfs.c +++ b/kernel/fs/vfs.c @@ -375,7 +375,23 @@ int vfs_pwrite(int fd, void *buf, u64 count, u64 offset) { if (!(vfs_fd->flags & O_WRITE)) { return -EBADF; } - return raw_vfs_pwrite(vfs_fd, buf, count, offset); + int rc = raw_vfs_pwrite(vfs_fd, buf, count, offset); + if (-EAGAIN == rc) { + if (!(vfs_fd->flags & O_NONBLOCK)) { + struct pollfd fds; + do { + fds.fd = fd; + fds.events = POLLOUT; + fds.revents = 0; + int rc = poll(&fds, 1, 0); + if (-EINTR == rc) { + return -EINTR; + } + } while (!(fds.revents & POLLOUT)); + return vfs_pwrite(fd, buf, count, offset); + } + } + return rc; } vfs_vm_object_t *vfs_get_vm_object(int fd, u64 length, u64 offset) { -- cgit v1.2.3