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Diffstat (limited to 'libseat/backend')
-rw-r--r--libseat/backend/seatd.c37
1 files changed, 26 insertions, 11 deletions
diff --git a/libseat/backend/seatd.c b/libseat/backend/seatd.c
index 9bc5e6e..3600b50 100644
--- a/libseat/backend/seatd.c
+++ b/libseat/backend/seatd.c
@@ -262,6 +262,15 @@ static int dispatch_pending(struct backend_seatd *backend, int *opcode) {
return packets;
}
+static int dispatch_pending_and_execute(struct backend_seatd *backend) {
+ int dispatched = dispatch_pending(backend, NULL);
+ if (dispatched == -1) {
+ return -1;
+ }
+ dispatched += execute_events(backend);
+ return dispatched;
+}
+
static int poll_connection(struct backend_seatd *backend, int timeout) {
struct pollfd fd = {
.fd = backend->connection.fd,
@@ -324,28 +333,34 @@ static int dispatch_background(struct libseat *base, int timeout) {
return -1;
}
- int dispatched = dispatch_pending(backend, NULL);
- if (dispatched > 0) {
- // We don't want to block if we dispatched something, as the
- // caller might be waiting for the result. However, we'd also
- // like to read anything pending.
- timeout = 0;
+ int predispatch = dispatch_pending_and_execute(backend);
+ if (predispatch == -1) {
+ return -1;
}
+
+ // We don't want to block if we dispatched something, as the
+ // caller might be waiting for the result. However, we'd also
+ // like to read anything pending.
int read = 0;
- if (timeout == 0) {
+ if (predispatch == 0 || timeout == 0) {
read = connection_read(&backend->connection);
} else {
read = poll_connection(backend, timeout);
}
- if (read > 0) {
- dispatched += dispatch_pending(backend, NULL);
+
+ if (read == 0) {
+ return predispatch;
} else if (read == -1 && errno != EAGAIN) {
log_errorf("Could not read from connection: %s", strerror(errno));
return -1;
}
- dispatched += execute_events(backend);
- return dispatched;
+ int postdispatch = dispatch_pending_and_execute(backend);
+ if (postdispatch == -1) {
+ return -1;
+ }
+
+ return predispatch + postdispatch;
}
static struct libseat *_open_seat(struct libseat_seat_listener *listener, void *data, int fd) {