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author | Andreas Schneider <mail@cynapses.org> | 2010-05-12 15:47:26 +0200 |
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committer | Andreas Schneider <mail@cynapses.org> | 2010-05-12 18:44:09 +0200 |
commit | 4b7eba1eda5c069e71807d7f0f5a65ff1462f61f (patch) | |
tree | 1402df73c12c467f41fdd52e95a95c2c4a8f8526 | |
parent | 9970b1fd7daa3ab9174a1822925d5c604fd09afd (diff) | |
download | libssh-4b7eba1eda5c069e71807d7f0f5a65ff1462f61f.tar.gz libssh-4b7eba1eda5c069e71807d7f0f5a65ff1462f61f.tar.xz libssh-4b7eba1eda5c069e71807d7f0f5a65ff1462f61f.zip |
Added runtime detection of WSAPoll().
Signed-off-by: Andreas Schneider <mail@cynapses.org>
-rw-r--r-- | include/libssh/poll.h | 1 | ||||
-rw-r--r-- | libssh/poll.c | 38 | ||||
-rw-r--r-- | libssh/socket.c | 2 |
3 files changed, 33 insertions, 8 deletions
diff --git a/include/libssh/poll.h b/include/libssh/poll.h index a43cd660..b9e6494a 100644 --- a/include/libssh/poll.h +++ b/include/libssh/poll.h @@ -76,6 +76,7 @@ typedef struct ssh_pollfd_struct { typedef unsigned long int nfds_t; #endif /* HAVE_POLL */ +void ssh_poll_init(void); int ssh_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout); typedef struct ssh_poll_ctx_struct *ssh_poll_ctx; typedef struct ssh_poll_handle_struct *ssh_poll_handle; diff --git a/libssh/poll.c b/libssh/poll.c index 879d3647..b28d2c4f 100644 --- a/libssh/poll.c +++ b/libssh/poll.c @@ -59,6 +59,10 @@ struct ssh_poll_ctx_struct { #ifdef HAVE_POLL #include <poll.h> +void ssh_poll_init(void) { + return; +} + int ssh_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) { return poll((struct pollfd *) fds, nfds, timeout); } @@ -73,7 +77,15 @@ int ssh_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) { #endif #include <time.h> +#include <windows.h> #include <winsock2.h> + +#define WS2_LIBRARY "ws2_32.dll" +typedef int (*poll_fn)(ssh_pollfd_t *, nfds_t, int); + +static poll_fn win_poll; +static HINSTANCE hlib; + #else #include <sys/select.h> #include <sys/socket.h> @@ -84,7 +96,8 @@ int ssh_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) { static int bsd_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) { fd_set readfds, writefds, exceptfds; struct timeval tv, *ptv; - int max_fd, rc; + socket_t max_fd; + int rc; nfds_t i; if (fds == NULL) { @@ -185,14 +198,23 @@ static int bsd_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) { return rc; } -/* TODO Detect if WSAPoll() is available and load it dynamically */ +void ssh_poll_init(void) { + poll_fn wsa_poll = NULL; + + hlib = LoadLibrary(WS2_LIBRARY); + if (hlib != NULL) { + wsa_poll = (poll_fn) GetProcAddress(hlib, "WSAPoll"); + } + + if (wsa_poll == NULL) { + win_poll = bsd_poll; + } else { + win_poll = wsa_poll; + } +} + int ssh_poll(ssh_pollfd_t *fds, nfds_t nfds, int timeout) { -#if 0 -#if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600) */ - return WSAPoll(fds, nfds, timeout); -#endif -#endif - return bsd_poll(fds, nfds, timeout); + return win_poll(fds, nfds, timeout); } #endif /* HAVE_POLL */ diff --git a/libssh/socket.c b/libssh/socket.c index eb4c0554..fe477abb 100644 --- a/libssh/socket.c +++ b/libssh/socket.c @@ -71,6 +71,8 @@ int ssh_socket_init(void) { if (WSAStartup(MAKEWORD(2, 0), &wsaData) != 0) { return -1; } + + ssh_poll_init(); #endif return 0; } |