more tests
diff --git a/src/libthread/test/rdaemon.c b/src/libthread/test/rdaemon.c
new file mode 100644
index 0000000..dcb7727
--- /dev/null
+++ b/src/libthread/test/rdaemon.c
@@ -0,0 +1,96 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <pthread.h>
+
+#undef waitpid
+#undef pipe
+#undef wait
+
+static int sigpid;
+static void
+sigenable(int sig, int enabled)
+{
+ sigset_t mask;
+ sigemptyset(&mask);
+ sigaddset(&mask, sig);
+ sigprocmask(enabled ? SIG_UNBLOCK : SIG_BLOCK, &mask, 0);
+}
+
+static void
+child(void)
+{
+ int status, pid;
+printf("wait %d in %d\n", sigpid, getpid());
+ pid = waitpid(sigpid, &status, __WALL);
+ if(pid < 0)
+ perror("wait");
+ else if(WIFEXITED(status))
+ _exit(WEXITSTATUS(status));
+printf("pid %d if %d %d\n", pid, WIFEXITED(status), WEXITSTATUS(status));
+ _exit(97);
+}
+
+static void
+sigpass(int sig)
+{
+ if(sig == SIGCHLD){
+print("sig\n");
+ child();
+ }else
+ kill(sigpid, sig);
+}
+
+void
+_threadsetupdaemonize(void)
+{
+ int i, n, pid;
+ int p[2];
+ char buf[20];
+
+ sigpid = 1;
+
+ if(pipe(p) < 0)
+ abort();
+
+ signal(SIGCHLD, sigpass);
+ switch(pid = fork()){
+ case -1:
+ abort();
+ default:
+ close(p[1]);
+ break;
+ case 0:
+ close(p[0]);
+ return;
+ }
+
+ sigpid = pid;
+
+ read(p[0], buf, sizeof buf-1);
+print("pipe\n");
+ child();
+}
+
+void*
+sleeper(void *v)
+{
+ pthread_mutex_t m;
+ pthread_cond_t c;
+
+ pthread_mutex_init(&m, 0);
+ pthread_cond_init(&c, 0);
+ pthread_cond_wait(&c, &m);
+ return 0;
+}
+
+void
+main(int argc, char **argv)
+{
+ pthread_t pid;
+
+ _threadsetupdaemonize();
+ pthread_create(&pid, 0, sleeper, 0);
+ exit(1);
+}
