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windows: Provide a poll(2) wrapper calling WSAPoll()

This commit is contained in:
Martin Willi 2014-11-06 12:11:25 +01:00
parent e796b88e86
commit fc829ec9fb
3 changed files with 40 additions and 0 deletions
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1
src/libstrongswan/utils/utils.h
View File

@ -37,6 +37,7 @@
# include <netdb.h>
# include <netinet/in.h>
# include <sched.h>
# include <poll.h>
#endif
/**

11
src/libstrongswan/utils/windows.c
View File

@ -13,6 +13,9 @@
* for more details.
*/
/* WSAPoll() */
#define _WIN32_WINNT 0x0600
#include "utils.h"
#include <errno.h>
@ -639,3 +642,11 @@ ssize_t windows_sendto(int sockfd, const void *buf, size_t len, int flags,
}
return outlen;
}
/**
* See header
*/
int poll(struct pollfd *fds, int nfds, int timeout)
{
return wserr(WSAPoll(fds, nfds, timeout));
}

28
src/libstrongswan/utils/windows.h
View File

@ -362,6 +362,34 @@ ssize_t windows_send(int sockfd, const void *buf, size_t len, int flags);
ssize_t windows_sendto(int sockfd, const void *buf, size_t len, int flags,
const struct sockaddr *dest_addr, socklen_t addrlen);
#if _WIN32_WINNT < 0x0600
/**
* Define pollfd and flags on our own if not specified
*/
struct pollfd {
SOCKET fd;
short events;
short revents;
};
enum {
POLLERR = 0x0001,
POLLHUP = 0x0002,
POLLNVAL = 0x0004,
POLLWRNORM = 0x0010,
POLLWRBAND = 0x0020,
POLLPRI = 0x0400,
POLLRDNORM = 0x0100,
POLLRDBAND = 0x0200,
POLLIN = POLLRDNORM | POLLRDBAND,
POLLOUT = POLLWRNORM,
};
#endif /* _WIN32_WINNT < 0x0600 */
/**
* poll(2), implemented using Winsock2 WSAPoll()
*/
int poll(struct pollfd *fds, int nfds, int timeout);
/**
* Declaration missing on older WinGW
*/