turn HiisiEngine into a regular solib instead of built module

hiisi/main.cpp

@@ -8,105 +8,15 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-std::atomic<bool> reload_requested(false);
-
-void reload_signal_handler(int) { reload_requested = true; }
-
-Engine load_hiisi() {
-    const char *name = "build/hiisi/libhiisi-engine.so";
-    void *mod = dlopen(name, RTLD_NOW);
-
-    Lmid_t list;
-    dlinfo(mod, RTLD_DI_LMID, &list);
-    printf("link-map list id: %ld\n", list);
-
-    link_map *lmap = 0;
-    dlinfo(mod, RTLD_DI_LINKMAP, &lmap);
-
-    printf("Link map:\n");
-    printf("addr: %lu\n", lmap->l_addr);
-    printf("name: %s\n", lmap->l_name);
-    printf("dynamic section: %p\n", lmap->l_ld);
-
-    char pathname[256];
-    dlinfo(mod, RTLD_DI_ORIGIN, pathname);
-    printf("path: %s\n", pathname);
-
-    /* Discover the size of the buffer that we must pass to
-       RTLD_DI_SERINFO. */
-    Dl_serinfo serinfo;
-    Dl_serinfo *sip;
-
-    if (dlinfo(mod, RTLD_DI_SERINFOSIZE, &serinfo) == -1) {
-        fprintf(stderr, "RTLD_DI_SERINFOSIZE failed: %s\n", dlerror());
-        exit(EXIT_FAILURE);
-    }
-
-    /* Allocate the buffer for use with RTLD_DI_SERINFO. */
-
-    sip = (Dl_serinfo *)malloc(serinfo.dls_size);
-    if (sip == NULL) {
-        perror("malloc");
-        exit(EXIT_FAILURE);
-    }
-
-    /* Initialize the 'dls_size' and 'dls_cnt' fields in the newly
-       allocated buffer. */
-
-    if (dlinfo(mod, RTLD_DI_SERINFOSIZE, sip) == -1) {
-        fprintf(stderr, "RTLD_DI_SERINFOSIZE failed: %s\n", dlerror());
-        exit(EXIT_FAILURE);
-    }
-
-    /* Fetch and print library search list. */
-
-    if (dlinfo(mod, RTLD_DI_SERINFO, sip) == -1) {
-        fprintf(stderr, "RTLD_DI_SERINFO failed: %s\n", dlerror());
-        exit(EXIT_FAILURE);
-    }
-
-    for (size_t j = 0; j < serinfo.dls_cnt; j++)
-        printf("dls_serpath[%zu].dls_name = %s\n", j,
-               sip->dls_serpath[j].dls_name);
-
-    Engine engine;
-    engine.module = mod;
-    *(void **)&engine.init = dlsym(mod, "init");
-    *(void **)&engine.event = dlsym(mod, "event");
-    *(void **)&engine.iterate = dlsym(mod, "iterate");
-    *(void **)&engine.quit = dlsym(mod, "quit");
-
-    assert(engine.init);
-    assert(engine.event);
-    assert(engine.iterate);
-    assert(engine.quit);
-
-    return engine;
-}
-
 int main(int argc, char **argv) {
 
-    signal(SIGUSR1, reload_signal_handler);
+    HiisiEngine hiisi;
 
-    EngineData state;
-
-    Engine hiisi = load_hiisi();
-    if (!hiisi.module) {
-        printf("%s\n", dlerror());
-        return 1;
+    hiisi.init(argc, argv);
+    while (hiisi.event()) {
+        hiisi.iterate();
     }
 
-    hiisi.init(&state, argc, argv);
-    while (hiisi.event(&state)) {
-        hiisi.iterate(&state);
-        if (reload_requested) {
-            dlclose(hiisi.module);
-            hiisi = load_hiisi();
-            reload_requested = false;
-        }
-    }
-
-    dlclose(hiisi.module);
-
+    hiisi.quit();
     return 0;
 }