diff options
Diffstat (limited to 'libc/sysdeps/linux/common/epoll.c')
| -rw-r--r-- | libc/sysdeps/linux/common/epoll.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/libc/sysdeps/linux/common/epoll.c b/libc/sysdeps/linux/common/epoll.c index dda92282e..ab3e73bb7 100644 --- a/libc/sysdeps/linux/common/epoll.c +++ b/libc/sysdeps/linux/common/epoll.c @@ -9,6 +9,11 @@ #include <sys/syscall.h> #include <sys/epoll.h> +#ifdef __UCLIBC_HAS_THREADS_NATIVE__ +# include <sysdep-cancel.h> +#else +# define SINGLE_THREAD_P 1 +#endif /* * epoll_create() @@ -18,6 +23,13 @@ _syscall1(int, epoll_create, int, size) #endif /* + * epoll_create1() + */ +#ifdef __NR_epoll_create1 +_syscall1(int, epoll_create1, int, flags) +#endif + +/* * epoll_ctl() */ #ifdef __NR_epoll_ctl @@ -28,5 +40,44 @@ _syscall4(int,epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, even * epoll_wait() */ #ifdef __NR_epoll_wait -_syscall4(int, epoll_wait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout) +extern __typeof(epoll_wait) __libc_epoll_wait; +int __libc_epoll_wait(int epfd, struct epoll_event *events, int maxevents, int timeout) +{ + if (SINGLE_THREAD_P) + return INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout); +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ + else { + int oldtype = LIBC_CANCEL_ASYNC (); + int result = INLINE_SYSCALL(epoll_wait, 4, epfd, events, maxevents, timeout); + LIBC_CANCEL_RESET (oldtype); + return result; + } +# endif +} +weak_alias(__libc_epoll_wait, epoll_wait) +#endif + +/* + * epoll_pwait() + */ +#ifdef __NR_epoll_pwait +# include <signal.h> + +extern __typeof(epoll_pwait) __libc_epoll_pwait; +int __libc_epoll_pwait(int epfd, struct epoll_event *events, int maxevents, + int timeout, const sigset_t *set) +{ + int nsig = _NSIG / 8; + if (SINGLE_THREAD_P) + return INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig); +# ifdef __UCLIBC_HAS_THREADS_NATIVE__ + else { + int oldtype = LIBC_CANCEL_ASYNC (); + int result = INLINE_SYSCALL(epoll_pwait, 6, epfd, events, maxevents, timeout, set, nsig); + LIBC_CANCEL_RESET (oldtype); + return result; + } +# endif +} +weak_alias(__libc_epoll_pwait, epoll_pwait) #endif |