Name the ImageInput update threads, too.

[nageru] / image_input.cpp

diff --git a/image_input.cpp b/image_input.cpp
index 70bffb0f863225c1673a42d3df0f14757ae7c6f2..9f474c94b14ae2b8bf315e0d0a4b2308f153b8f3 100644 (file)
--- a/image_input.cpp
+++ b/image_input.cpp
@@ -71,8 +71,9 @@ string search_for_file(const string &filename)
 ImageInput::ImageInput(const string &filename)
        : movit::FlatInput({movit::COLORSPACE_sRGB, movit::GAMMA_sRGB}, movit::FORMAT_RGBA_POSTMULTIPLIED_ALPHA,
                           GL_UNSIGNED_BYTE, 1280, 720),  // FIXME
+         filename(filename),
          pathname(search_for_file(filename)),
-         current_image(load_image(pathname))
+         current_image(load_image(filename, pathname))
 {
        if (current_image == nullptr) {  // Could happen even though search_for_file() returned.
                fprintf(stderr, "Couldn't load image, exiting.\n");
@@ -99,7 +100,7 @@ void ImageInput::set_gl_state(GLuint glsl_program_num, const string& prefix, uns
        movit::FlatInput::set_gl_state(glsl_program_num, prefix, sampler_num);
 }
 
-shared_ptr<const ImageInput::Image> ImageInput::load_image(const string &pathname)
+shared_ptr<const ImageInput::Image> ImageInput::load_image(const string &filename, const string &pathname)
 {
        unique_lock<mutex> lock(all_images_lock);  // Held also during loading.
        if (all_images.count(pathname)) {
@@ -109,7 +110,7 @@ shared_ptr<const ImageInput::Image> ImageInput::load_image(const string &pathnam
        all_images[pathname] = load_image_raw(pathname);
        timespec first_modified = all_images[pathname]->last_modified;
        update_threads[pathname] =
-               thread(bind(update_thread_func, pathname, first_modified));
+               thread(bind(update_thread_func, filename, pathname, first_modified));
 
        return all_images[pathname];
 }
@@ -235,8 +236,12 @@ shared_ptr<const ImageInput::Image> ImageInput::load_image_raw(const string &pat
 
 // Fire up a thread to update the image every second.
 // We could do inotify, but this is good enough for now.
-void ImageInput::update_thread_func(const std::string &pathname, const timespec &first_modified)
+void ImageInput::update_thread_func(const std::string &filename, const std::string &pathname, const timespec &first_modified)
 {
+       char thread_name[16];
+       snprintf(thread_name, sizeof(thread_name), "Update_%s", filename.c_str());
+       pthread_setname_np(pthread_self(), thread_name);
+
        timespec last_modified = first_modified;
        struct stat buf;
        for ( ;; ) {