use rt_sigprocmask, not legacy sigprocmask, syscall in pthread exit code

diff --git a/src/thread/pthread_create.c b/src/thread/pthread_create.c
index c73c521..2098e75 100644 (file)
--- a/src/thread/pthread_create.c
+++ b/src/thread/pthread_create.c
@@ -25,7 +25,7 @@ void __pthread_unwind_next(struct __ptcb *cb)
                }
        }
 
-       syscall4(__NR_sigprocmask, SIG_BLOCK, (long)(uint64_t[1]){-1}, 0, 8);
+       syscall4(__NR_rt_sigprocmask, SIG_BLOCK, (long)(uint64_t[1]){-1},0,8);
 
        if (!a_fetch_add(&libc.threads_minus_1, -1))
                exit(0);