This commit was generated by cvs2svn to compensate for changes in r178382,

which included commits to RCS files with non-trunk default branches.
This commit is contained in:
Xin LI 2008-04-21 18:30:26 +00:00
commit 0b96cd80df
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=178383
2 changed files with 24 additions and 13 deletions

View file

@ -1,7 +1,7 @@
/* $OpenBSD: atomicio.c,v 1.8 2006/02/11 19:31:18 otto Exp $ */
/* $OpenBSD: atomicio.c,v 1.9 2007/09/07 14:50:44 tobias Exp $ */
/*
* Copyright (c) 2005 Anil Madhavapeddy. All rights served.
* Copyright (c) 2006 Damien Miller. All rights reserved.
* Copyright (c) 2005 Anil Madhavapeddy. All rights reserved.
* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
* All rights reserved.
*
@ -26,32 +26,37 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/param.h>
#include <errno.h>
#include <poll.h>
#include <unistd.h>
#include "atomicio.h"
/*
* ensure all of data on socket comes through. f==read || f==vwrite
*/
size_t
atomicio(f, fd, _s, n)
ssize_t (*f) (int, void *, size_t);
int fd;
void *_s;
size_t n;
atomicio(ssize_t (*f) (int, void *, size_t), int fd, void *_s, size_t n)
{
char *s = _s;
size_t pos = 0;
ssize_t res;
struct pollfd pfd;
pfd.fd = fd;
pfd.events = f == read ? POLLIN : POLLOUT;
while (n > pos) {
res = (f) (fd, s + pos, n - pos);
switch (res) {
case -1:
if (errno == EINTR || errno == EAGAIN)
if (errno == EINTR)
continue;
if (errno == EAGAIN) {
(void)poll(&pfd, 1, -1);
continue;
}
return 0;
case 0:
errno = EPIPE;
@ -60,5 +65,5 @@ atomicio(f, fd, _s, n)
pos += (size_t)res;
}
}
return pos;
return (pos);
}

View file

@ -1,6 +1,7 @@
/* $OpenBSD: atomicio.h,v 1.1 2005/05/24 20:13:28 avsm Exp $ */
/* $OpenBSD: atomicio.h,v 1.2 2007/09/07 14:50:44 tobias Exp $ */
/*
* Copyright (c) 2006 Damien Miller. All rights reserved.
* Copyright (c) 1995,1999 Theo de Raadt. All rights reserved.
* All rights reserved.
*
@ -25,9 +26,14 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _ATOMICIO_H
#define _ATOMICIO_H
/*
* Ensure all of data on socket comes through. f==read || f==vwrite
*/
size_t atomicio(ssize_t (*)(int, void *, size_t), int, void *, size_t);
#define vwrite (ssize_t (*)(int, void *, size_t))write
#endif /* _ATOMICIO_H */