cms-colord: Warn if reading or writing to the FD failed

This also fixes a compile warning when building the tarball.

diff --git a/src/cms-colord.c b/src/cms-colord.c
index af6b5fa..6056407 100644 (file)
--- a/src/cms-colord.c
+++ b/src/cms-colord.c
@@ -127,6 +127,7 @@ static void
 update_device_with_profile_in_idle(struct cms_output *ocms)
 {
        gboolean signal_write = FALSE;
+       ssize_t rc;
        struct cms_colord *cms = ocms->cms;
 
        colord_idle_cancel_for_output(cms, ocms->o);
@@ -139,7 +140,9 @@ update_device_with_profile_in_idle(struct cms_output *ocms)
        /* signal we've got updates to do */
        if (signal_write) {
                gchar tmp = '\0';
-               write(cms->writefd, &tmp, 1);
+               rc = write(cms->writefd, &tmp, 1);
+               if (rc == 0)
+                       weston_log("colord: failed to write to pending fd");
        }
 }
 
@@ -365,6 +368,7 @@ colord_dispatch_all_pending(int fd, uint32_t mask, void *data)
 {
        gchar tmp;
        GList *l;
+       ssize_t rc;
        struct cms_colord *cms = data;
        struct cms_output *ocms;
 
@@ -387,7 +391,9 @@ colord_dispatch_all_pending(int fd, uint32_t mask, void *data)
        g_mutex_unlock(&cms->pending_mutex);
 
        /* done */
-       read(cms->readfd, &tmp, 1);
+       rc = read(cms->readfd, &tmp, 1);
+       if (rc == 0)
+               weston_log("colord: failed to read from pending fd");
        return 1;
 }