diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sigprocmask.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/sigprocmask.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/sigprocmask.c b/sysdeps/unix/sysv/linux/sigprocmask.c index 5e72c9892d..3e0719aa7f 100644 --- a/sysdeps/unix/sysv/linux/sigprocmask.c +++ b/sysdeps/unix/sysv/linux/sigprocmask.c @@ -23,6 +23,9 @@ #include <sysdep.h> #include <sys/syscall.h> +#include "kernel-features.h" + + extern int __syscall_sigprocmask (int, const sigset_t *, sigset_t *); extern int __syscall_rt_sigprocmask (int, const sigset_t *, sigset_t *, size_t); @@ -39,7 +42,10 @@ __sigprocmask (how, set, oset) const sigset_t *set; sigset_t *oset; { -#ifdef __NR_rt_sigprocmask +#if __ASSUME_REALTIME_SIGNALS > 0 + return INLINE_SYSCALL (rt_sigprocmask, 4, how, set, oset, _NSIG / 8); +#else +# ifdef __NR_rt_sigprocmask /* First try the RT signals. */ if (!__libc_missing_rt_sigs) { @@ -55,8 +61,9 @@ __sigprocmask (how, set, oset) __set_errno (saved_errno); __libc_missing_rt_sigs = 1; } -#endif +# endif return INLINE_SYSCALL (sigprocmask, 3, how, set, oset); +#endif } weak_alias (__sigprocmask, sigprocmask) |