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/cvs/libev/ev_poll.c
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Comparing libev/ev_poll.c (file contents):
Revision 1.2 by root, Fri Nov 2 16:54:35 2007 UTC vs.
Revision 1.3 by root, Sat Nov 3 21:58:51 2007 UTC

… …
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */ 30 */
31 31
32#include <poll.h> 32#include <poll.h>
33 33
34static struct pollfd *polls;
35static int pollmax, pollcnt;
36static int *pollidxs; /* maps fds into structure indices */
37static int pollidxmax;
38
39static void 34static void
40pollidx_init (int *base, int count) 35pollidx_init (int *base, int count)
41{ 36{
42 while (count--) 37 while (count--)
43 *base++ = -1; 38 *base++ = -1;
44} 39}
45 40
46static void 41static void
47poll_modify (int fd, int oev, int nev) 42poll_modify (EV_P_ int fd, int oev, int nev)
48{ 43{
49 int idx; 44 int idx;
50 array_needsize (pollidxs, pollidxmax, fd + 1, pollidx_init); 45 array_needsize (pollidxs, pollidxmax, fd + 1, pollidx_init);
51 46
52 idx = pollidxs [fd]; 47 idx = pollidxs [fd];
… …
72 } 67 }
73 } 68 }
74} 69}
75 70
76static void 71static void
77poll_poll (ev_tstamp timeout) 72poll_poll (EV_P_ ev_tstamp timeout)
78{ 73{
79 int res = poll (polls, pollcnt, ceil (timeout * 1000.)); 74 int res = poll (polls, pollcnt, ceil (timeout * 1000.));
80 75
81 if (res > 0) 76 if (res > 0)
82 { 77 {
83 int i; 78 int i;
84 79
85 for (i = 0; i < pollcnt; ++i) 80 for (i = 0; i < pollcnt; ++i)
86 fd_event ( 81 fd_event (
82 EV_A_
87 polls [i].fd, 83 polls [i].fd,
88 (polls [i].revents & (POLLOUT | POLLERR | POLLHUP) ? EV_WRITE : 0) 84 (polls [i].revents & (POLLOUT | POLLERR | POLLHUP) ? EV_WRITE : 0)
89 | (polls [i].revents & (POLLIN | POLLERR | POLLHUP) ? EV_READ : 0) 85 | (polls [i].revents & (POLLIN | POLLERR | POLLHUP) ? EV_READ : 0)
90 ); 86 );
91 } 87 }
92 else if (res < 0) 88 else if (res < 0)
93 { 89 {
94 if (errno == EBADF) 90 if (errno == EBADF)
95 fd_ebadf (); 91 fd_ebadf (EV_A);
96 else if (errno == ENOMEM) 92 else if (errno == ENOMEM)
97 fd_enomem (); 93 fd_enomem (EV_A);
98 } 94 }
99} 95}
100 96
101static void 97static int
102poll_init (int flags) 98poll_init (EV_P_ int flags)
103{ 99{
104 ev_method = EVMETHOD_POLL;
105 method_fudge = 1e-3; /* needed to compensate for select returning early, very conservative */ 100 method_fudge = 1e-3; /* needed to compensate for select returning early, very conservative */
106 method_modify = poll_modify; 101 method_modify = poll_modify;
107 method_poll = poll_poll; 102 method_poll = poll_poll;
103
104 return EVMETHOD_POLL;
108} 105}

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