| #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); | |
| } |