Merge pull request #1351 from Ongy/swaygrab-forking

fixes a hanging swaygrab

1 files changed, 9 insertions, 4 deletions

diff --git a/swaygrab/main.c b/swaygrab/main.c
index 6e851899..1b699bb9 100644
--- a/swaygrab/main.c
+++ b/swaygrab/main.c
@@ -58,14 +58,19 @@ void grab_and_apply_magick(const char *file, const char *payload,
         if ((child = fork()) < 0) {
                 sway_log(L_ERROR, "Swaygrab failed to fork.");
                 exit(EXIT_FAILURE);
-        } else if (child == 0) {
+        } else if (child != 0) {
+                close(fd[0]);
+                write(fd[1], pixels, len);
                 close(fd[1]);
-                write(fd[0], pixels, len);
                 free(pixels - 9);
                 waitpid(child, NULL, 0);
         } else {
+                close(fd[1]);
+                if (dup2(fd[0], 0) != 0) {
+                        sway_log(L_ERROR, "Could not fdup the pipe");
+                }
                 close(fd[0]);
-                execlp("convert", "-depth", "8", "-size", size, "rgba:-", "-flip", file, NULL);
+                execlp("convert", "convert", "-depth", "8", "-size", size, "rgba:-", "-flip", file, NULL);
                 sway_log(L_ERROR, "Swaygrab could not run convert.");
                 exit(EXIT_FAILURE);
         }
@@ -104,7 +109,7 @@ void grab_and_apply_movie_magic(const char *file, const char *payload,
                 "-video_size %dx%d -pixel_format argb "
                 "-i pipe:0 -r %d -vf vflip %s";
         char *cmd = malloc(strlen(fmt) - 8 /*args*/
-                        + strlen(ffmpeg_opts) + numlen(width) + numlen(height) 
+                        + strlen(ffmpeg_opts) + numlen(width) + numlen(height)
                         + numlen(framerate) * 2 + strlen(file) + 1);
         sprintf(cmd, fmt, ffmpeg_opts, framerate, width, height, framerate, file);