diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/signalfd.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/signalfd.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/sysdeps/unix/sysv/linux/signalfd.c b/sysdeps/unix/sysv/linux/signalfd.c index f3ae8c1947..e07b56cf06 100644 --- a/sysdeps/unix/sysv/linux/signalfd.c +++ b/sysdeps/unix/sysv/linux/signalfd.c @@ -26,11 +26,17 @@ int signalfd (int fd, const sigset_t *mask, int flags) { #ifdef __NR_signalfd4 - int res = INLINE_SYSCALL (signalfd4, 4, fd, mask, _NSIG / 8, flags); # ifndef __ASSUME_SIGNALFD4 - if (res != -1 || errno != ENOSYS) -# endif + INTERNAL_SYSCALL_DECL (err); + int res = INTERNAL_SYSCALL (signalfd4, err, 4, fd, mask, _NSIG / 8, + flags); + if (!__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (res, err)) + || INTERNAL_SYSCALL_ERRNO (res, err) != ENOSYS) return res; +# else + return INLINE_SYSCALL_RETURN (signalfd4, 4, int, fd, mask, _NSIG / 8, + flags); +# endif #endif #ifndef __ASSUME_SIGNALFD4 @@ -39,16 +45,12 @@ signalfd (int fd, const sigset_t *mask, int flags) kernel (sys_indirect) before implementing setting flags like O_NONBLOCK etc. */ if (flags != 0) - { - __set_errno (EINVAL); - return -1; - } + return INLINE_SYSCALL_ERROR_RETURN (-EINVAL, int, -1); # ifdef __NR_signalfd - return INLINE_SYSCALL (signalfd, 3, fd, mask, _NSIG / 8); + return INLINE_SYSCALL_RETURN (signalfd, 3, int, fd, mask, _NSIG / 8); # else - __set_errno (ENOSYS); - return -1; + return INLINE_SYSCALL_ERROR_RETURN (-ENOSYS, int, -1); # endif #elif !defined __NR_signalfd4 # error "__ASSUME_SIGNALFD4 defined but not __NR_signalfd4" |