| … | |
… | |
| 40 | ev.data.u64 = fd; /* use u64 to fully initialise the struct, for nicer strace etc. */ |
40 | ev.data.u64 = fd; /* use u64 to fully initialise the struct, for nicer strace etc. */ |
| 41 | ev.events = |
41 | ev.events = |
| 42 | (nev & EV_READ ? EPOLLIN : 0) |
42 | (nev & EV_READ ? EPOLLIN : 0) |
| 43 | | (nev & EV_WRITE ? EPOLLOUT : 0); |
43 | | (nev & EV_WRITE ? EPOLLOUT : 0); |
| 44 | |
44 | |
| 45 | epoll_ctl (epoll_fd, mode, fd, &ev); |
45 | if (epoll_ctl (epoll_fd, mode, fd, &ev)) |
| 46 | } |
46 | if (errno != ENOENT /* on ENOENT the fd went away, so try to do the right thing */ |
| 47 | |
47 | || (nev && epoll_ctl (epoll_fd, EPOLL_CTL_ADD, fd, &ev))) |
| 48 | static void |
48 | fd_kill (EV_A_ fd); |
| 49 | epoll_postfork_child (EV_P) |
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| 50 | { |
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| 51 | int fd; |
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| 52 | |
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| 53 | epoll_fd = epoll_create (256); |
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| 54 | fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); |
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| 55 | |
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| 56 | /* re-register interest in fds */ |
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| 57 | for (fd = 0; fd < anfdmax; ++fd) |
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| 58 | if (anfds [fd].events)//D |
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| 59 | epoll_modify (EV_A_ fd, EV_NONE, anfds [fd].events); |
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| 60 | } |
49 | } |
| 61 | |
50 | |
| 62 | static void |
51 | static void |
| 63 | epoll_poll (EV_P_ ev_tstamp timeout) |
52 | epoll_poll (EV_P_ ev_tstamp timeout) |
| 64 | { |
53 | { |
| 65 | int eventcnt = epoll_wait (epoll_fd, events, eventmax, ceil (timeout * 1000.)); |
54 | int eventcnt = epoll_wait (epoll_fd, epoll_events, epoll_eventmax, ceil (timeout * 1000.)); |
| 66 | int i; |
55 | int i; |
| 67 | |
56 | |
| 68 | if (eventcnt < 0) |
57 | if (eventcnt < 0) |
| 69 | return; |
58 | return; |
| 70 | |
59 | |
| 71 | for (i = 0; i < eventcnt; ++i) |
60 | for (i = 0; i < eventcnt; ++i) |
| 72 | fd_event ( |
61 | fd_event ( |
| 73 | EV_A_ |
62 | EV_A_ |
| 74 | events [i].data.u64, |
63 | epoll_events [i].data.u64, |
| 75 | (events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) |
64 | (epoll_events [i].events & (EPOLLOUT | EPOLLERR | EPOLLHUP) ? EV_WRITE : 0) |
| 76 | | (events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) |
65 | | (epoll_events [i].events & (EPOLLIN | EPOLLERR | EPOLLHUP) ? EV_READ : 0) |
| 77 | ); |
66 | ); |
| 78 | |
67 | |
| 79 | /* if the receive array was full, increase its size */ |
68 | /* if the receive array was full, increase its size */ |
| 80 | if (expect_false (eventcnt == eventmax)) |
69 | if (expect_false (eventcnt == epoll_eventmax)) |
| 81 | { |
70 | { |
| 82 | free (events); |
71 | free (epoll_events); |
| 83 | eventmax = array_roundsize (events, eventmax << 1); |
72 | epoll_eventmax = array_roundsize (epoll_events, epoll_eventmax << 1); |
| 84 | events = malloc (sizeof (struct epoll_event) * eventmax); |
73 | epoll_events = malloc (sizeof (struct epoll_event) * epoll_eventmax); |
| 85 | } |
74 | } |
| 86 | } |
75 | } |
| 87 | |
76 | |
| 88 | static int |
77 | static int |
| 89 | epoll_init (EV_P_ int flags) |
78 | epoll_init (EV_P_ int flags) |
| … | |
… | |
| 97 | |
86 | |
| 98 | method_fudge = 1e-3; /* needed to compensate for epoll returning early */ |
87 | method_fudge = 1e-3; /* needed to compensate for epoll returning early */ |
| 99 | method_modify = epoll_modify; |
88 | method_modify = epoll_modify; |
| 100 | method_poll = epoll_poll; |
89 | method_poll = epoll_poll; |
| 101 | |
90 | |
| 102 | eventmax = 64; /* intiial number of events receivable per poll */ |
91 | epoll_eventmax = 64; /* intiial number of events receivable per poll */ |
| 103 | events = malloc (sizeof (struct epoll_event) * eventmax); |
92 | epoll_events = malloc (sizeof (struct epoll_event) * epoll_eventmax); |
| 104 | |
93 | |
| 105 | return EVMETHOD_EPOLL; |
94 | return EVMETHOD_EPOLL; |
| 106 | } |
95 | } |
| 107 | |
96 | |
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97 | static void |
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98 | epoll_destroy (EV_P) |
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99 | { |
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100 | close (epoll_fd); |
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101 | |
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102 | free (epoll_events); |
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103 | } |
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104 | |
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105 | static void |
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106 | epoll_fork (EV_P) |
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107 | { |
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108 | epoll_fd = epoll_create (256); |
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109 | fcntl (epoll_fd, F_SETFD, FD_CLOEXEC); |
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110 | |
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111 | fd_rearm_all (EV_A); |
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112 | } |
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113 | |
