/* vi: set sw=4 ts=4: */ /* * epoll_create() / epoll_ctl() / epoll_wait() / epoll_pwait() for uClibc * * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <sys/syscall.h> #include <sys/epoll.h> #include <cancel.h> #ifdef L_epoll_create # ifdef __NR_epoll_create _syscall1(int, epoll_create, int, size) # endif # ifdef __NR_epoll_create1 _syscall1(int, epoll_create1, int, flags) # endif # if defined __NR_epoll_create1 && !defined __NR_epoll_create int epoll_create(int size) { return INLINE_SYSCALL(epoll_create1, 1, 0); } # endif #endif #if defined L_epoll_ctl && defined __NR_epoll_ctl _syscall4(int, epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, event) #endif #if defined L_epoll_pwait && defined __NR_epoll_pwait # include <signal.h> # define __NR___syscall_epoll_pwait __NR_epoll_pwait static __always_inline _syscall6(int, __syscall_epoll_pwait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout, const sigset_t *, sigmask, size_t, sigsetsize) static int __NC(epoll_pwait)(int epfd, struct epoll_event *events, int maxevents, int timeout, const sigset_t *set) { return __syscall_epoll_pwait(epfd, events, maxevents, timeout, set, __SYSCALL_SIGSET_T_SIZE); } CANCELLABLE_SYSCALL(int, epoll_pwait, (int epfd, struct epoll_event *events, int maxevents, int timeout, const sigset_t *set), (epfd, events, maxevents, timeout, set)) #endif #if defined L_epoll_wait # if defined __NR_epoll_wait static int __NC(epoll_wait)(int epfd, struct epoll_event *events, int maxevents, int timeout) { return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout); } CANCELLABLE_SYSCALL(int, epoll_wait, (int epfd, struct epoll_event *events, int maxevents, int timeout), (epfd, events, maxevents, timeout)) # elif /* !defined L_epoll_wait && */ defined __NR_epoll_pwait /* * If epoll_wait is not defined, then call epoll_pwait instead using NULL * for sigmask argument */ # include <stddef.h> int epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) { return INLINE_SYSCALL(epoll_pwait, 5, epfd, events, maxevents, timeout, NULL); } # endif #endif