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Improved logging of app module load errors.

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This commit is contained in:
Valentin Bartenev
2021-11-02 17:34:23 +03:00
parent bd9da8bc8c
commit b6f4b3afb1
1 changed files with 22 additions and 5 deletions
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27
src/nxt_application.c
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@@ -527,17 +527,34 @@ nxt_app_setup(nxt_task_t *task, nxt_process_t *process)
static nxt_app_module_t * static nxt_app_module_t *
nxt_app_module_load(nxt_task_t *task, const char *name) nxt_app_module_load(nxt_task_t *task, const char *name)
{ {
void *dl; char *err;
void *dl;
nxt_app_module_t *app;
dl = dlopen(name, RTLD_GLOBAL | RTLD_LAZY); dl = dlopen(name, RTLD_GLOBAL | RTLD_LAZY);
if (dl != NULL) { if (nxt_slow_path(dl == NULL)) {
return dlsym(dl, "nxt_app_module"); err = dlerror();
nxt_alert(task, "dlopen(\"%s\") failed: \"%s\"",
name, err != NULL ? err : "(null)");
return NULL;
} }
nxt_alert(task, "dlopen(\"%s\"), failed: \"%s\"", name, dlerror()); app = dlsym(dl, "nxt_app_module");
return NULL; if (nxt_slow_path(app == NULL)) {
err = dlerror();
nxt_alert(task, "dlsym(\"%s\", \"nxt_app_module\") failed: \"%s\"",
name, err != NULL ? err : "(null)");
if (dlclose(dl) != 0) {
err = dlerror();
nxt_alert(task, "dlclose(\"%s\") failed: \"%s\"",
name, err != NULL ? err : "(null)");
}
}
return app;
} }