3 files changed, 12 insertions, 9 deletions
diff --git a/libc/sysdeps/linux/common/__rt_sigtimedwait.c b/libc/sysdeps/linux/common/__rt_sigtimedwait.c
index c50eadbbe..8862bc95b 100644
--- a/libc/sysdeps/linux/common/__rt_sigtimedwait.c
+++ b/libc/sysdeps/linux/common/__rt_sigtimedwait.c
@@ -13,19 +13,21 @@
 #include <stddef.h>
 #ifdef __NR_rt_sigtimedwait
 #define __NR___rt_sigtimedwait __NR_rt_sigtimedwait
-_syscall4(int, __rt_sigtimedwait, const sigset_t *, set, siginfo_t *, info,
+static _syscall4(int, __rt_sigtimedwait, const sigset_t *, set, siginfo_t *, info,
 		  const struct timespec *, timeout, size_t, setsize);
 
-int sigwaitinfo(const sigset_t * set, siginfo_t * info)
+int attribute_hidden __sigwaitinfo(const sigset_t * set, siginfo_t * info)
 {
 	return __rt_sigtimedwait(set, info, NULL, _NSIG / 8);
 }
 
-int sigtimedwait(const sigset_t * set, siginfo_t * info,
+int attribute_hidden __sigtimedwait(const sigset_t * set, siginfo_t * info,
 				 const struct timespec *timeout)
 {
 	return __rt_sigtimedwait(set, info, timeout, _NSIG / 8);
 }
+weak_alias (__sigtimedwait, sigtimedwait)
+weak_alias (__sigwaitinfo, sigwaitinfo)
 #else
 int sigwaitinfo(const sigset_t * set, siginfo_t * info)
 {
diff --git a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
index 9d4916618..be7709040 100644
--- a/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
+++ b/libc/sysdeps/linux/common/__syscall_rt_sigaction.c
@@ -14,7 +14,7 @@
 
 #define __NR___syscall_rt_sigaction __NR_rt_sigaction
 #undef sigaction
-_syscall4(int, __syscall_rt_sigaction, int, signum,
+attribute_hidden _syscall4(int, __syscall_rt_sigaction, int, signum,
 		  const struct sigaction *, act, struct sigaction *, oldact,
 		  size_t, size);
 
diff --git a/libc/sysdeps/linux/common/getpid.c b/libc/sysdeps/linux/common/getpid.c
index a4e07d97c..6a6a9e129 100644
--- a/libc/sysdeps/linux/common/getpid.c
+++ b/libc/sysdeps/linux/common/getpid.c
@@ -11,9 +11,10 @@
 #include <unistd.h>
 
 #if defined (__alpha__)
-#define __NR_getpid     __NR_getxpid
+#define __NR___getpid __NR_getxpid
 #endif
-#define __NR___libc_getpid __NR_getpid
-_syscall0(pid_t, __libc_getpid);
-weak_alias(__libc_getpid, getpid);
-weak_alias(__libc_getpid, __getpid);
+#define __NR___getpid __NR_getpid
+attribute_hidden _syscall0(pid_t, __getpid);
+strong_alias(__getpid, getpid)
+/* not used in libpthread */
+/* weak_alias(__getpid, __libc_getpid) */