alarm(1) before SEM_WAIT(...) in worker_(sdl|gl) to avoid edge cases

1 files changed, 9 insertions, 0 deletions

diff --git a/src/scene01.c b/src/scene01.c
index f8027c4..a2f1345 100644
--- a/src/scene01.c
+++ b/src/scene01.c
@@ -77,6 +77,7 @@ typedef enum t_attrib_id
 int scene01_init_gl(graphical_env_t *ge, scene01_env_t *se) {
 	GLuint vs, fs, program;
 
+	TRACE("call");
 	vs = glCreateShader(GL_VERTEX_SHADER);
 	fs = glCreateShader(GL_FRAGMENT_SHADER);
 
@@ -142,25 +143,31 @@ int scene01_init_gl(graphical_env_t *ge, scene01_env_t *se) {
 }
 
 int scene01_init_sdl(graphical_env_t *ge, scene01_env_t *se) {
+	TRACE("call");
 	return 0;
 }
 
 int scene01_init_caca(graphical_env_t *ge, scene01_env_t *se) {
+	TRACE("call");
 	return 0;
 }
 
 void scene01_free_gl(graphical_env_t *ge, scene01_env_t *se) {
+	TRACE("call");
 	//TODO
 }
 
 void scene01_free_sdl(graphical_env_t *ge, scene01_env_t *se) {
+	TRACE("call");
 }
 
 void scene01_free_caca(graphical_env_t *ge, scene01_env_t *se) {
+	TRACE("call");
 }
 
 int scene01_next_gl(graphical_env_t *ge, scene01_env_t *se) {
 	SDL_Renderer *r = ge->gl_rndr;
+	static int firsttime=1; TRACE_ONCE("call");
 
 	// https://gist.github.com/Twinklebear/8265888
 	// https://forums.libsdl.org/viewtopic.php?p=51634
@@ -179,6 +186,7 @@ int scene01_next_gl(graphical_env_t *ge, scene01_env_t *se) {
 }
 
 int scene01_next_sdl(graphical_env_t *ge, scene01_env_t *se) {
+	static int firsttime=1; TRACE_ONCE("call");
 	return 0;
 }
 
@@ -187,6 +195,7 @@ int scene01_next_caca(graphical_env_t *ge, scene01_env_t *se) {
 	caca_canvas_t *cv = ge->cv;
 	int w = ge->w, h = ge->h;
 	Uint32 frame = ge->sc_framecount;
+	static int firsttime=1; TRACE_ONCE("call");
 
 	// "convert" the raw pixel stream from SDL to ASCII art on caca canevas
 	caca_set_dither_gamma(ge->d, 1.0);