pid_t __fork(void)
{
pid_t pid;
struct handler_list * prepare, * child, * parent;
pthread_mutex_lock(&pthread_atfork_lock);
prepare = pthread_atfork_prepare;
child = pthread_atfork_child;
parent = pthread_atfork_parent;
pthread_mutex_unlock(&pthread_atfork_lock);
pthread_call_handlers(prepare);
#warning hack alert
__MALLOC_LOCK;
pid = __libc_fork();
#warning hack alert
__MALLOC_UNLOCK;
if (pid == 0) {
__pthread_reset_main_thread();
#warning need to reconsider __fresetlockfiles!
__fresetlockfiles();
pthread_call_handlers(child);
} else {
pthread_call_handlers(parent);
}
return pid;
}
static pid_t __fork(void)
{
pid_t pid;
struct handler_list * prepare, * child, * parent;
__pthread_mutex_lock(&pthread_atfork_lock);
prepare = pthread_atfork_prepare;
child = pthread_atfork_child;
parent = pthread_atfork_parent;
pthread_call_handlers(prepare);
__pthread_once_fork_prepare();
#ifdef __MALLOC__
__pthread_mutex_lock(&__malloc_sbrk_lock);
__pthread_mutex_lock(&__malloc_heap_lock);
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
__pthread_mutex_lock(&__malloc_mmb_heap_lock);
#endif
#elif defined(__MALLOC_STANDARD__) || defined(__MALLOC_SIMPLE__)
__pthread_mutex_lock(&__malloc_lock);
#endif
pid = __libc_fork();
if (pid == 0) {
#if defined(__MALLOC_STANDARD__) || defined(__MALLOC_SIMPLE__)
__libc_lock_init_recursive(__malloc_lock);
#elif defined(__MALLOC__)
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
__libc_lock_init_adaptive(__malloc_mmb_heap_lock);
#endif
__libc_lock_init_adaptive(__malloc_heap_lock);
__libc_lock_init(__malloc_sbrk_lock);
#endif
__libc_lock_init_adaptive(pthread_atfork_lock);
__pthread_reset_main_thread();
__fresetlockfiles();
__pthread_once_fork_child();
pthread_call_handlers(child);
} else {
#if defined(__MALLOC_STANDARD__) || defined(__MALLOC_SIMPLE__)
__pthread_mutex_unlock(&__malloc_lock);
#elif defined(__MALLOC__)
#ifdef __UCLIBC_UCLINUX_BROKEN_MUNMAP__
__pthread_mutex_unlock(&__malloc_mmb_heap_lock);
#endif
__pthread_mutex_unlock(&__malloc_heap_lock);
__pthread_mutex_unlock(&__malloc_sbrk_lock);
#endif
__pthread_mutex_unlock(&pthread_atfork_lock);
__pthread_once_fork_parent();
pthread_call_handlers(parent);
}
return pid;
}
void __pthread_kill_other_threads_np(void)
{
struct sigaction sa;
/* Terminate all other threads and thread manager */
pthread_onexit_process(0, NULL);
/* Make current thread the main thread in case the calling thread
changes its mind, does not exec(), and creates new threads instead. */
__pthread_reset_main_thread();
/* Reset the signal handlers behaviour for the signals the
implementation uses since this would be passed to the new
process. */
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = SIG_DFL;
__libc_sigaction(__pthread_sig_restart, &sa, NULL);
__libc_sigaction(__pthread_sig_cancel, &sa, NULL);
if (__pthread_sig_debug > 0)
__libc_sigaction(__pthread_sig_debug, &sa, NULL);
}
int fork(void)
{
int pid;
struct handler_list * prepare, * child, * parent;
pthread_mutex_lock(&pthread_atfork_lock);
prepare = pthread_atfork_prepare;
child = pthread_atfork_child;
parent = pthread_atfork_parent;
pthread_mutex_unlock(&pthread_atfork_lock);
pthread_call_handlers(prepare);
pid = __fork();
if (pid == 0) {
__pthread_reset_main_thread();
__fresetlockfiles();
pthread_call_handlers(child);
} else {
pthread_call_handlers(parent);
}
return pid;
}