Removed fibers from compilation.

It's not used anyway, but breaks building with musl.

This closes issue #5 on GitHub.

auto/sources

@@ -57,7 +57,6 @@ NXT_LIB_DEPS=" \
     src/nxt_thread_pool.h \
     src/nxt_work_queue.h \
     src/nxt_service.h \
-    src/nxt_fiber.h \
     src/nxt_log_moderation.h \
     src/nxt_event_engine.h \
     src/nxt_timer.h \
@@ -128,7 +127,6 @@ NXT_LIB_SRCS=" \
     src/nxt_time_parse.c \
     src/nxt_work_queue.c \
     src/nxt_service.c \
-    src/nxt_fiber.c \
     src/nxt_log_moderation.c \
     src/nxt_event_engine.c \
     src/nxt_timer.c \

src/nxt_app_log.c

@@ -21,9 +21,6 @@ nxt_log_time_handler(nxt_uint_t level, nxt_log_t *log, const char *fmt, ...)
 {
     u_char             *p, *syslogmsg, *end;
     va_list            args;
-    nxt_fid_t          fid;
-    const char         *id;
-    nxt_fiber_t        *fib;
     nxt_thread_t       *thr;
     nxt_time_string_t  *time_cache;
     u_char             msg[NXT_MAX_ERROR_STR];
@@ -39,6 +36,11 @@ nxt_log_time_handler(nxt_uint_t level, nxt_log_t *log, const char *fmt, ...)
 
     syslogmsg = p;
 
+#if 0
+    nxt_fid_t    fid;
+    const char   *id;
+    nxt_fiber_t  *fib;
+
     fib = nxt_fiber_self(thr);
 
     if (fib != NULL) {
@@ -52,6 +54,10 @@ nxt_log_time_handler(nxt_uint_t level, nxt_log_t *log, const char *fmt, ...)
 
     p = nxt_sprintf(p, end, id, &nxt_log_levels[level], nxt_pid,
                     nxt_thread_tid(thr), fid);
+#else
+    p = nxt_sprintf(p, end, "[%V] %PI#%PT ", &nxt_log_levels[level], nxt_pid,
+                    nxt_thread_tid(thr));
+#endif
 
     if (log->ident != 0) {
         p = nxt_sprintf(p, end, "*%D ", log->ident);

src/nxt_event_engine.c

@@ -48,12 +48,14 @@ nxt_event_engine_create(nxt_task_t *task,
 
     engine->batch = batch;
 
+#if 0
     if (flags & NXT_ENGINE_FIBERS) {
         engine->fibers = nxt_fiber_main_create(engine);
         if (engine->fibers == NULL) {
             goto fibers_fail;
         }
     }
+#endif
 
     engine->current_work_queue = &engine->fast_work_queue;
 
@@ -138,9 +140,12 @@ nxt_event_engine_create(nxt_task_t *task,
     nxt_work_queue_cache_destroy(&engine->work_queue_cache);
     nxt_free(engine->fibers);
 
+#if 0
 fibers_fail:
 
     nxt_free(engine);
+#endif
+
     return NULL;
 }
 

src/nxt_router.c

@@ -1814,7 +1814,9 @@ nxt_router_thread_start(void *data)
     engine->task.log = thread->log;
     thread->engine = engine;
     thread->task = &engine->task;
+#if 0
     thread->fiber = &engine->fibers->fiber;
+#endif
 
     engine->mem_pool = nxt_mp_create(4096, 128, 1024, 64);
 

src/nxt_runtime.c

@@ -292,7 +292,9 @@ nxt_runtime_event_engines(nxt_task_t *task, nxt_runtime_t *rt)
 
     thread = task->thread;
     thread->engine = engine;
+#if 0
     thread->fiber = &engine->fibers->fiber;
+#endif
 
     engine->id = rt->last_engine_id++;
 

src/nxt_sprintf.c

@@ -500,12 +500,12 @@ nxt_vsprintf(u_char *buf, u_char *end, const char *fmt, va_list args)
                 ui64 = (uint64_t) va_arg(args, nxt_tid_t);
                 sign = 0;
                 goto number;
-
+#if 0
             case 'F':
                 ui64 = (uint64_t) va_arg(args, nxt_fid_t);
                 sign = 0;
                 goto number;
-
+#endif
             case 'H':
                 ui64 = (uint64_t) (uintptr_t) va_arg(args, pthread_t);
                 spf.hex = HEXADECIMAL;

src/nxt_thread.h

@@ -159,11 +159,13 @@ struct nxt_thread_s {
     nxt_event_engine_t       *engine;
     void                     *data;
 
+#if 0
     /*
      * Although pointer to a current fiber should be a property of
      * engine->fibers, its placement here eliminates 2 memory accesses.
      */
     nxt_fiber_t              *fiber;
+#endif
 
     nxt_random_t             random;
 };