[drone] try and get some useful logs

.drone.yml

@@ -13,7 +13,9 @@ steps:
     - cd build
     - cmake .. -DCMAKE_BUILD_TYPE=Release -DUSE_STATIC=off -DUSE_GPM=on -DUSE_QRCODEGEN=on -DDFSG_BUILD=on
     - make -j2
+    - ./notcurses-input < /dev/null
     - env NOTCURSES_LOGLEVEL=7 ./notcurses-input < notcurses-input
+    - ./notcurses-input < notcurses-input
       #- ./notcurses-info
       #- ctest --output-on-failure
       #- make install

src/lib/direct.c

@@ -973,7 +973,11 @@ int ncdirect_stop(ncdirect* nc){
 char* ncdirect_readline(ncdirect* n, const char* prompt){
   const char* u7 = get_escape(&n->tcache, ESCAPE_U7);
   if(!u7){ // we probably *can*, but it would be a pita; screw it
-    logerror("can't readline without u7\n");
+    logerror("can't readline without u7");
+    return NULL;
+  }
+  if(n->eof){
+    logerror("already got EOF");
     return NULL;
   }
   if(fprintf(n->ttyfp, "%s", prompt) < 0){
@@ -1005,15 +1009,18 @@ char* ncdirect_readline(ncdirect* n, const char* prompt){
     if(ni.evtype == NCTYPE_RELEASE){
       continue;
     }
-    if(id == NCKEY_EOF || id == NCKEY_ENTER){
+    if(id == NCKEY_EOF || id == NCKEY_ENTER || (ncinput_ctrl_p(&ni) && id == 'd')){
       if(id == NCKEY_ENTER){
         if(fputc('\n', n->ttyfp) < 0){
           free(str);
           return NULL;
         }
-      }else if(wused == 1){ // NCKEY_EOF without input returns NULL
-        free(str);
-        return NULL;
+      }else{
+        n->eof = 1;
+        if(wused == 1){ // NCKEY_EOF without input returns NULL
+          free(str);
+          return NULL;
+        }
       }
       char* ustr = ncwcsrtombs(str);
       free(str);

src/lib/in.c

@@ -2303,6 +2303,7 @@ read_inputs_nblock(inputctx* ictx){
     if(!eof && ictx->stdineof){
       // we hit EOF; write an event to the readiness fd
       mark_pipe_ready(ictx->readypipes);
+      pthread_cond_broadcast(&ictx->icond);
     }
   }
 }
@@ -2380,7 +2381,9 @@ internal_get(inputctx* ictx, const struct timespec* ts, ncinput* ni){
     return (uint32_t)-1;
   }
   pthread_mutex_lock(&ictx->ilock);
+fprintf(stderr, "IVALID: %u EOF: %u IREAD: %u\n", ictx->ivalid, ictx->stdineof, ictx->iread);
   while(!ictx->ivalid){
+fprintf(stderr, "WHILE IVALID: %u EOF: %u IREAD: %u\n", ictx->ivalid, ictx->stdineof, ictx->iread);
     if(ictx->stdineof){
       pthread_mutex_unlock(&ictx->ilock);
       logwarn("read eof on stdin");
@@ -2391,7 +2394,9 @@ internal_get(inputctx* ictx, const struct timespec* ts, ncinput* ni){
       return NCKEY_EOF;
     }
     if(ts == NULL){
+fprintf(stderr, "WAITING\n");
       pthread_cond_wait(&ictx->icond, &ictx->ilock);
+fprintf(stderr, "DONE WAITING\n");
     }else{
       int r = pthread_cond_timedwait(&ictx->icond, &ictx->ilock, ts);
       if(r == ETIMEDOUT){
@@ -2411,6 +2416,7 @@ internal_get(inputctx* ictx, const struct timespec* ts, ncinput* ni){
     }
   }
   id = ictx->inputs[ictx->iread].id;
+fprintf(stderr, "GOT ID 0x%08x IREAD: %u\n", id, ictx->iread);
   if(ni){
     memcpy(ni, &ictx->inputs[ictx->iread], sizeof(*ni));
     if(notcurses_ucs32_to_utf8(&ni->id, 1, (unsigned char*)ni->utf8, sizeof(ni->utf8)) < 0){
@@ -2470,7 +2476,15 @@ int notcurses_getvec(notcurses* n, const struct timespec* absdl,
 }
 
 uint32_t ncdirect_get(ncdirect* n, const struct timespec* absdl, ncinput* ni){
-  return internal_get(n->tcache.ictx, absdl, ni);
+  if(n->eof){
+    logerror("already got EOF");
+    return -1;
+  }
+  uint32_t r = internal_get(n->tcache.ictx, absdl, ni);
+  if(r == NCKEY_EOF){
+    n->eof = 1;
+  }
+  return r;
 }
 
 int get_cursor_location(inputctx* ictx, const char* u7, unsigned* y, unsigned* x){

src/lib/internal.h

@@ -252,6 +252,7 @@ typedef struct ncdirect {
   uint16_t stylemask;        // current styles
   uint64_t flags;            // copied in ncdirect_init() from param
   ncsharedstats stats;       // stats! not as broadly used as in notcurses
+  unsigned eof;              // have we seen EOF on stdin?
 } ncdirect;
 
 // Extracellular state for a cell during the render process. There is one