abstract missing SYS_pause syscall with macros

newer archs lack the syscall. the pause() function accounted for this
with its own #ifdef, but that didn't allow use of the syscall directly
elsewhere, so move the logic to macros in src/internal/syscall.h where
it can be shared.

1 files changed, 1 insertions, 5 deletions

diff --git a/src/unistd/pause.c b/src/unistd/pause.c
index 90bbf4ca..90cc8db5 100644
--- a/src/unistd/pause.c
+++ b/src/unistd/pause.c
@@ -3,9 +3,5 @@
 
 int pause(void)
 {
-#ifdef SYS_pause
-	return syscall_cp(SYS_pause);
-#else
-	return syscall_cp(SYS_ppoll, 0, 0, 0, 0);
-#endif
+	return sys_pause_cp();
 }