| #include <sys/signalfd.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include "syscall.h" |
| |
| int signalfd(int fd, const sigset_t *sigs, int flags) |
| { |
| int ret = __syscall(SYS_signalfd4, fd, sigs, _NSIG/8, flags); |
| #ifdef SYS_signalfd |
| if (ret != -ENOSYS) return __syscall_ret(ret); |
| ret = __syscall(SYS_signalfd, fd, sigs, _NSIG/8); |
| if (ret >= 0) { |
| if (flags & SFD_CLOEXEC) |
| __syscall(SYS_fcntl, ret, F_SETFD, FD_CLOEXEC); |
| if (flags & SFD_NONBLOCK) |
| __syscall(SYS_fcntl, ret, F_SETFL, O_NONBLOCK); |
| } |
| #endif |
| return __syscall_ret(ret); |
| } |