fix syscall argument bug in pthread_getschedparam

[musl] / src / thread / pthread_self.c

diff --git a/src/thread/pthread_self.c b/src/thread/pthread_self.c
index a93d812..aed4b5f 100644 (file)
--- a/src/thread/pthread_self.c
+++ b/src/thread/pthread_self.c
@@ -9,14 +9,16 @@ weak_alias(dummy, __pthread_tsd_main);
 static int init_main_thread()
 {
        __syscall(SYS_rt_sigprocmask, SIG_UNBLOCK,
-               SIGPT_SET, 0, __SYSCALL_SSLEN);
-       if (__set_thread_area(main_thread) < 0) return -1;
+               SIGPT_SET, 0, _NSIG/8);
+       if (__set_thread_area(TP_ADJ(main_thread)) < 0) return -1;
        main_thread->canceldisable = libc.canceldisable;
        main_thread->tsd = (void **)__pthread_tsd_main;
        main_thread->errno_ptr = __errno_location();
        main_thread->self = main_thread;
        main_thread->tid = main_thread->pid =
                __syscall(SYS_set_tid_address, &main_thread->tid);
+       if (!main_thread->dtv)
+               main_thread->dtv = (void *)dummy;
        libc.main_thread = main_thread;
        return 0;
 }