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* io/sys/poll.h: Add comment explaining poll is a cancellation

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point.

	* sysdeps/unix/sysv/linux/sys/epoll.h: Add comment explaining
	epoll_wait is a cancellation point.
This commit is contained in:
Ulrich Drepper 2005-11-15 21:58:44 +00:00
parent 1b804a349f
commit 7761a3ac53
3 changed files with 15 additions and 5 deletions
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4
ChangeLog
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@ -1,7 +1,11 @@
2005-11-15 Ulrich Drepper <drepper@redhat.com>
* io/sys/poll.h: Add comment explaining poll is a cancellation point.
* sysdeps/unix/sysv/linux/syscalls.list (epoll_wait): Align with
poll, make cancelable.
* sysdeps/unix/sysv/linux/sys/epoll.h: Add comment explaining
epoll_wait is a cancellation point.
2005-11-15 Jakub Jelinek <jakub@redhat.com>

7
io/sys/poll.h
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@ -1,5 +1,5 @@
/* Compatibility definitions for System V `poll' interface.
Copyright (C) 1994,96,97,98,99,2000,2001,2004 Free Software Foundation, Inc.
Copyright (C) 1994,1996-2001,2004,2005 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
@ -44,7 +44,10 @@ __BEGIN_DECLS
FDS. If TIMEOUT is nonzero and not -1, allow TIMEOUT milliseconds for
an event to occur; if TIMEOUT is -1, block until an event occurs.
Returns the number of file descriptors with events, zero if timed out,
or -1 for errors. */
or -1 for errors.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int poll (struct pollfd *__fds, nfds_t __nfds, int __timeout);
__END_DECLS

9
sysdeps/unix/sysv/linux/sys/epoll.h
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@ -1,4 +1,4 @@
/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003, 2004, 2005 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
@ -98,9 +98,12 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
"events" parameter is a buffer that will contain triggered
events. The "maxevents" is the maximum number of events to be
returned ( usually size of "events" ). The "timeout" parameter
specifies the maximum wait time in milliseconds (-1 == infinite). */
specifies the maximum wait time in milliseconds (-1 == infinite).
This function is a cancellation point and therefore not marked with
__THROW. */
extern int epoll_wait (int __epfd, struct epoll_event *__events,
int __maxevents, int __timeout) __THROW;
int __maxevents, int __timeout);
__END_DECLS