| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * signalfd() for uClibc |
| 4 | * |
| 5 | * Copyright (C) 2008 Bernhard Reutner-Fischer <uclibc@uclibc.org> |
| 6 | * |
| 7 | * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. |
| 8 | */ |
| 9 | |
| 10 | #include <sys/syscall.h> |
| 11 | #include <signal.h> |
| 12 | #include <sys/signalfd.h> |
| 13 | |
| 14 | #if defined __NR_signalfd4 |
| 15 | #define __NR___syscall_signalfd4 __NR_signalfd4 |
| 16 | static __inline__ _syscall4(int, __syscall_signalfd4, int, fd, |
| 17 | const sigset_t *, mask, size_t, sizemask, int, flags) |
| 18 | #elif defined __NR_signalfd |
| 19 | #define __NR___syscall_signalfd __NR_signalfd |
| 20 | static __inline__ _syscall3(int, __syscall_signalfd, int, fd, |
| 21 | const sigset_t *, mask, size_t, sizemask) |
| 22 | #endif |
| 23 | |
| 24 | #if defined __NR_signalfd4 || defined __NR_signalfd |
| 25 | int signalfd (int fd, const sigset_t *mask, int flags) |
| 26 | { |
| 27 | #if defined __NR___syscall_signalfd4 |
| 28 | return __syscall_signalfd4(fd, mask, _NSIG / 8, flags); |
| 29 | #elif defined __NR___syscall_signalfd |
| 30 | if (flags != 0) { |
| 31 | __set_errno(EINVAL); |
| 32 | return -1; |
| 33 | } |
| 34 | return __syscall_signalfd(fd, mask, _NSIG / 8); |
| 35 | #endif |
| 36 | } |
| 37 | #endif |