#include <unistd.h>
+#include <string.h>
+#include <signal.h>
#include "syscall.h"
#include "libc.h"
+#include "pthread_impl.h"
+
+static void dummy(int x)
+{
+}
+
+weak_alias(dummy, __fork_handler);
pid_t fork(void)
{
pid_t ret;
- if (libc.fork_handler) libc.fork_handler(-1);
- ret = syscall0(__NR_fork);
- if (libc.fork_handler) libc.fork_handler(!ret);
+ sigset_t set;
+ __fork_handler(-1);
+ __block_all_sigs(&set);
+#ifdef SYS_fork
+ ret = syscall(SYS_fork);
+#else
+ ret = syscall(SYS_clone, SIGCHLD, 0);
+#endif
+ if (!ret) {
+ pthread_t self = __pthread_self();
+ self->tid = __syscall(SYS_gettid);
+ self->robust_list.off = 0;
+ self->robust_list.pending = 0;
+ libc.threads_minus_1 = 0;
+ }
+ __restore_sigs(&set);
+ __fork_handler(!ret);
return ret;
}