diff options
| -rw-r--r-- | libc/sysdeps/linux/common/epoll.c | 16 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/sys/epoll.h | 40 | ||||
| -rw-r--r-- | libc/sysdeps/linux/x86_64/sys/epoll.h | 36 |
3 files changed, 87 insertions, 5 deletions
diff --git a/libc/sysdeps/linux/common/epoll.c b/libc/sysdeps/linux/common/epoll.c index dda92282e..41c4eacc2 100644 --- a/libc/sysdeps/linux/common/epoll.c +++ b/libc/sysdeps/linux/common/epoll.c @@ -18,6 +18,13 @@ _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 @@ -29,4 +36,13 @@ _syscall4(int,epoll_ctl, int, epfd, int, op, int, fd, struct epoll_event *, even */ #ifdef __NR_epoll_wait _syscall4(int, epoll_wait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout) +/* TODO: add cancellation for epoll_wait */ +#endif + +/* + * epoll_pwait() + */ +#ifdef __NR_epoll_pwait +_syscall5(int, epoll_pwait, int, epfd, struct epoll_event *, events, int, maxevents, int, timeout, __const sigset_t *, ss) +/* TODO: add cancellation for epoll_pwait */ #endif diff --git a/libc/sysdeps/linux/common/sys/epoll.h b/libc/sysdeps/linux/common/sys/epoll.h index 44e814bfd..f6a648872 100644 --- a/libc/sysdeps/linux/common/sys/epoll.h +++ b/libc/sysdeps/linux/common/sys/epoll.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 2002-2006, 2007, 2008, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,6 +22,24 @@ #include <stdint.h> #include <sys/types.h> +/* Get __sigset_t. */ +#include <bits/sigset.h> + +#ifndef __sigset_t_defined +# define __sigset_t_defined +typedef __sigset_t sigset_t; +#endif + + +/* Flags to be passed to epoll_create1. */ +enum + { + EPOLL_CLOEXEC = 02000000, +#define EPOLL_CLOEXEC EPOLL_CLOEXEC + EPOLL_NONBLOCK = 04000 +#define EPOLL_NONBLOCK EPOLL_NONBLOCK + }; + enum EPOLL_EVENTS { @@ -55,9 +73,9 @@ enum EPOLL_EVENTS /* Valid opcodes ( "op" parameter ) to issue to epoll_ctl(). */ -#define EPOLL_CTL_ADD 1 /* Add a file decriptor to the interface. */ -#define EPOLL_CTL_DEL 2 /* Remove a file decriptor from the interface. */ -#define EPOLL_CTL_MOD 3 /* Change file decriptor epoll_event structure. */ +#define EPOLL_CTL_ADD 1 /* Add a file descriptor to the interface. */ +#define EPOLL_CTL_DEL 2 /* Remove a file descriptor from the interface. */ +#define EPOLL_CTL_MOD 3 /* Change file descriptor epoll_event structure. */ typedef union epoll_data @@ -83,6 +101,10 @@ __BEGIN_DECLS returned by epoll_create() should be closed with close(). */ extern int epoll_create (int __size) __THROW; +/* Same as epoll_create but with a FLAGS parameter. The unused SIZE + parameter has been dropped. */ +extern int epoll_create1 (int __flags) __THROW; + /* Manipulate an epoll instance "epfd". Returns 0 in case of success, -1 in case of error ( the "errno" variable will contain the @@ -107,6 +129,16 @@ extern int epoll_ctl (int __epfd, int __op, int __fd, extern int epoll_wait (int __epfd, struct epoll_event *__events, int __maxevents, int __timeout); + +/* Same as epoll_wait, but the thread's signal mask is temporarily + and atomically replaced with the one provided as parameter. + + This function is a cancellation point and therefore not marked with + __THROW. */ +extern int epoll_pwait (int __epfd, struct epoll_event *__events, + int __maxevents, int __timeout, + __const __sigset_t *__ss); + __END_DECLS #endif /* sys/epoll.h */ diff --git a/libc/sysdeps/linux/x86_64/sys/epoll.h b/libc/sysdeps/linux/x86_64/sys/epoll.h index 02672d3c7..a8171cc36 100644 --- a/libc/sysdeps/linux/x86_64/sys/epoll.h +++ b/libc/sysdeps/linux/x86_64/sys/epoll.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002,2003,2004,2005,2006 Free Software Foundation, Inc. +/* Copyright (C) 2002-2008, 2010 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -22,6 +22,24 @@ #include <stdint.h> #include <sys/types.h> +/* Get __sigset_t. */ +#include <bits/sigset.h> + +#ifndef __sigset_t_defined +# define __sigset_t_defined +typedef __sigset_t sigset_t; +#endif + + +/* Flags to be passed to epoll_create1. */ +enum + { + EPOLL_CLOEXEC = 02000000, +#define EPOLL_CLOEXEC EPOLL_CLOEXEC + EPOLL_NONBLOCK = 04000 +#define EPOLL_NONBLOCK EPOLL_NONBLOCK + }; + enum EPOLL_EVENTS { @@ -45,6 +63,8 @@ enum EPOLL_EVENTS #define EPOLLERR EPOLLERR EPOLLHUP = 0x010, #define EPOLLHUP EPOLLHUP + EPOLLRDHUP = 0x2000, +#define EPOLLRDHUP EPOLLRDHUP EPOLLONESHOT = (1 << 30), #define EPOLLONESHOT EPOLLONESHOT EPOLLET = (1 << 31) @@ -81,6 +101,10 @@ __BEGIN_DECLS returned by epoll_create() should be closed with close(). */ extern int epoll_create (int __size) __THROW; +/* Same as epoll_create but with a FLAGS parameter. The unused SIZE + parameter has been dropped. */ +extern int epoll_create1 (int __flags) __THROW; + /* Manipulate an epoll instance "epfd". Returns 0 in case of success, -1 in case of error ( the "errno" variable will contain the @@ -105,6 +129,16 @@ extern int epoll_ctl (int __epfd, int __op, int __fd, extern int epoll_wait (int __epfd, struct epoll_event *__events, int __maxevents, int __timeout); + +/* Same as epoll_wait, but the thread's signal mask is temporarily + and atomically replaced with the one provided as parameter. + + This function is a cancellation point and therefore not marked with + __THROW. */ +extern int epoll_pwait (int __epfd, struct epoll_event *__events, + int __maxevents, int __timeout, + __const __sigset_t *__ss); + __END_DECLS #endif /* sys/epoll.h */ |