int init(){
#if STATIC_WORKQUEUE
pthread_workqueue_init_np();
#endif
#if STATIC_KQUEUE
libkqueue_init();
#endif
libdispatch_init();
return 0;
}
void libSystem_initializer(int argc, const char* argv[], const char* envp[], const char* apple[], const struct ProgramVars* vars)
{
static const struct _libkernel_functions libkernel_funcs = {
.version = 1,
.dlsym = dlsym,
.malloc = malloc,
.free = free,
.realloc = realloc,
._pthread_exit_if_canceled = _pthread_exit_if_canceled,
};
static const struct _libpthread_functions libpthread_funcs = {
.version = 1,
.exit = exit,
};
__libkernel_init(&libkernel_funcs, envp, apple, vars);
bootstrap_init();
__libplatform_init(NULL, envp, apple, vars);
__pthread_init(&libpthread_funcs, envp, apple, vars);
__libc_init(vars, libSystem_atfork_prepare, libSystem_atfork_parent, libSystem_atfork_child, apple);
// TODO: Move __malloc_init before __libc_init after breaking malloc's upward link to Libc
__malloc_init(apple);
_dyld_initializer();
libdispatch_init();
_libxpc_initializer();
__stack_logging_early_finished();
/* <rdar://problem/11588042>
* C99 standard has the following in section 7.5(3):
* "The value of errno is zero at program startup, but is never set
* to zero by any library function."
*/
errno = 0;
}
/*
* libSystem_atfork_{prepare,parent,child}() are called by libc when we fork, then we deal with running fork handlers
* for everyone else.
*/
void libSystem_atfork_prepare(void)
{
_libSC_info_fork_prepare();
xpc_atfork_prepare();
dispatch_atfork_prepare();
_pthread_fork_prepare();
_malloc_fork_prepare();
}
void libSystem_atfork_parent(void)
{
_malloc_fork_parent();
_pthread_fork_parent();
dispatch_atfork_parent();
xpc_atfork_parent();
_libSC_info_fork_parent();
}
DISPATCH_EXPORT DISPATCH_NOTHROW
void
_libdispatch_init(void)
{
libdispatch_init();
}
