… | |
… | |
50 | # ifndef EV_USE_REALTIME |
50 | # ifndef EV_USE_REALTIME |
51 | # define EV_USE_REALTIME 0 |
51 | # define EV_USE_REALTIME 0 |
52 | # endif |
52 | # endif |
53 | # endif |
53 | # endif |
54 | |
54 | |
55 | # if HAVE_SELECT && HAVE_SYS_SELECT_H && !defined (EV_USE_SELECT) |
55 | # ifndef EV_USE_SELECT |
|
|
56 | # if HAVE_SELECT && HAVE_SYS_SELECT_H |
56 | # define EV_USE_SELECT 1 |
57 | # define EV_USE_SELECT 1 |
57 | # else |
58 | # else |
58 | # define EV_USE_SELECT 0 |
59 | # define EV_USE_SELECT 0 |
|
|
60 | # endif |
59 | # endif |
61 | # endif |
60 | |
62 | |
61 | # if HAVE_POLL && HAVE_POLL_H && !defined (EV_USE_POLL) |
63 | # ifndef EV_USE_POLL |
|
|
64 | # if HAVE_POLL && HAVE_POLL_H |
62 | # define EV_USE_POLL 1 |
65 | # define EV_USE_POLL 1 |
63 | # else |
66 | # else |
64 | # define EV_USE_POLL 0 |
67 | # define EV_USE_POLL 0 |
|
|
68 | # endif |
65 | # endif |
69 | # endif |
66 | |
70 | |
67 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H && !defined (EV_USE_EPOLL) |
71 | # ifndef EV_USE_EPOLL |
|
|
72 | # if HAVE_EPOLL_CTL && HAVE_SYS_EPOLL_H |
68 | # define EV_USE_EPOLL 1 |
73 | # define EV_USE_EPOLL 1 |
69 | # else |
74 | # else |
70 | # define EV_USE_EPOLL 0 |
75 | # define EV_USE_EPOLL 0 |
|
|
76 | # endif |
71 | # endif |
77 | # endif |
72 | |
78 | |
|
|
79 | # ifndef EV_USE_KQUEUE |
73 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H && !defined (EV_USE_KQUEUE) |
80 | # if HAVE_KQUEUE && HAVE_SYS_EVENT_H && HAVE_SYS_QUEUE_H |
74 | # define EV_USE_KQUEUE 1 |
81 | # define EV_USE_KQUEUE 1 |
75 | # else |
82 | # else |
76 | # define EV_USE_KQUEUE 0 |
83 | # define EV_USE_KQUEUE 0 |
|
|
84 | # endif |
77 | # endif |
85 | # endif |
78 | |
86 | |
79 | # if HAVE_PORT_H && HAVE_PORT_CREATE && !defined (EV_USE_PORT) |
87 | # ifndef EV_USE_PORT |
|
|
88 | # if HAVE_PORT_H && HAVE_PORT_CREATE |
80 | # define EV_USE_PORT 1 |
89 | # define EV_USE_PORT 1 |
81 | # else |
90 | # else |
82 | # define EV_USE_PORT 0 |
91 | # define EV_USE_PORT 0 |
|
|
92 | # endif |
83 | # endif |
93 | # endif |
84 | |
94 | |
85 | #endif |
95 | #endif |
86 | |
96 | |
87 | #include <math.h> |
97 | #include <math.h> |
… | |
… | |
143 | #ifndef EV_USE_PORT |
153 | #ifndef EV_USE_PORT |
144 | # define EV_USE_PORT 0 |
154 | # define EV_USE_PORT 0 |
145 | #endif |
155 | #endif |
146 | |
156 | |
147 | /**/ |
157 | /**/ |
148 | |
|
|
149 | /* darwin simply cannot be helped */ |
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|
150 | #ifdef __APPLE__ |
|
|
151 | # undef EV_USE_POLL |
|
|
152 | # undef EV_USE_KQUEUE |
|
|
153 | #endif |
|
|
154 | |
158 | |
155 | #ifndef CLOCK_MONOTONIC |
159 | #ifndef CLOCK_MONOTONIC |
156 | # undef EV_USE_MONOTONIC |
160 | # undef EV_USE_MONOTONIC |
157 | # define EV_USE_MONOTONIC 0 |
161 | # define EV_USE_MONOTONIC 0 |
158 | #endif |
162 | #endif |
… | |
… | |
775 | || getgid () != getegid (); |
779 | || getgid () != getegid (); |
776 | #endif |
780 | #endif |
777 | } |
781 | } |
778 | |
782 | |
779 | unsigned int |
783 | unsigned int |
780 | ev_method (EV_P) |
784 | ev_supported_backends (void) |
781 | { |
785 | { |
782 | return method; |
786 | } |
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|
787 | |
|
|
788 | unsigned int |
|
|
789 | ev_recommended_backends (void) |
|
|
790 | { |
|
|
791 | unsigned int flags; |
|
|
792 | |
|
|
793 | if (EV_USE_PORT ) flags |= EVBACKEND_PORT; |
|
|
794 | if (EV_USE_KQUEUE) flags |= EVBACKEND_KQUEUE; |
|
|
795 | if (EV_USE_EPOLL ) flags |= EVBACKEND_EPOLL; |
|
|
796 | if (EV_USE_POLL ) flags |= EVBACKEND_POLL; |
|
|
797 | if (EV_USE_SELECT) flags |= EVBACKEND_SELECT; |
|
|
798 | |
|
|
799 | return flags; |
|
|
800 | } |
|
|
801 | |
|
|
802 | unsigned int |
|
|
803 | ev_backend (EV_P) |
|
|
804 | { |
|
|
805 | unsigned int flags = ev_recommended_backends (); |
|
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806 | |
|
|
807 | #ifndef __NetBSD__ |
|
|
808 | /* kqueue is borked on everything but netbsd apparently */ |
|
|
809 | /* it usually doesn't work correctly on anything but sockets and pipes */ |
|
|
810 | flags &= ~EVBACKEND_KQUEUE; |
|
|
811 | #endif |
|
|
812 | #ifdef __APPLE__ |
|
|
813 | // flags &= ~EVBACKEND_KQUEUE; for documentation |
|
|
814 | flags &= ~EVBACKEND_POLL; |
|
|
815 | #endif |
|
|
816 | |
|
|
817 | return flags; |
783 | } |
818 | } |
784 | |
819 | |
785 | static void |
820 | static void |
786 | loop_init (EV_P_ unsigned int flags) |
821 | loop_init (EV_P_ unsigned int flags) |
787 | { |
822 | { |
… | |
… | |
798 | ev_rt_now = ev_time (); |
833 | ev_rt_now = ev_time (); |
799 | mn_now = get_clock (); |
834 | mn_now = get_clock (); |
800 | now_floor = mn_now; |
835 | now_floor = mn_now; |
801 | rtmn_diff = ev_rt_now - mn_now; |
836 | rtmn_diff = ev_rt_now - mn_now; |
802 | |
837 | |
803 | if (!(flags & EVFLAG_NOENV) && !enable_secure () && getenv ("LIBEV_FLAGS")) |
838 | if (!(flags & EVFLAG_NOENV) |
|
|
839 | && !enable_secure () |
|
|
840 | && getenv ("LIBEV_FLAGS")) |
804 | flags = atoi (getenv ("LIBEV_FLAGS")); |
841 | flags = atoi (getenv ("LIBEV_FLAGS")); |
805 | |
842 | |
806 | if (!(flags & 0x0000ffff)) |
843 | if (!(flags & 0x0000ffffUL)) |
807 | flags |= 0x0000ffff; |
844 | flags |= ev_recommended_backends (); |
808 | |
845 | |
809 | method = 0; |
846 | method = 0; |
810 | #if EV_USE_PORT |
847 | #if EV_USE_PORT |
811 | if (!method && (flags & EVMETHOD_PORT )) method = port_init (EV_A_ flags); |
848 | if (!method && (flags & EVBACKEND_PORT )) method = port_init (EV_A_ flags); |
812 | #endif |
849 | #endif |
813 | #if EV_USE_KQUEUE |
850 | #if EV_USE_KQUEUE |
814 | if (!method && (flags & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ flags); |
851 | if (!method && (flags & EVBACKEND_KQUEUE)) method = kqueue_init (EV_A_ flags); |
815 | #endif |
852 | #endif |
816 | #if EV_USE_EPOLL |
853 | #if EV_USE_EPOLL |
817 | if (!method && (flags & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ flags); |
854 | if (!method && (flags & EVBACKEND_EPOLL )) method = epoll_init (EV_A_ flags); |
818 | #endif |
855 | #endif |
819 | #if EV_USE_POLL |
856 | #if EV_USE_POLL |
820 | if (!method && (flags & EVMETHOD_POLL )) method = poll_init (EV_A_ flags); |
857 | if (!method && (flags & EVBACKEND_POLL )) method = poll_init (EV_A_ flags); |
821 | #endif |
858 | #endif |
822 | #if EV_USE_SELECT |
859 | #if EV_USE_SELECT |
823 | if (!method && (flags & EVMETHOD_SELECT)) method = select_init (EV_A_ flags); |
860 | if (!method && (flags & EVBACKEND_SELECT)) method = select_init (EV_A_ flags); |
824 | #endif |
861 | #endif |
825 | |
862 | |
826 | ev_init (&sigev, sigcb); |
863 | ev_init (&sigev, sigcb); |
827 | ev_set_priority (&sigev, EV_MAXPRI); |
864 | ev_set_priority (&sigev, EV_MAXPRI); |
828 | } |
865 | } |
… | |
… | |
832 | loop_destroy (EV_P) |
869 | loop_destroy (EV_P) |
833 | { |
870 | { |
834 | int i; |
871 | int i; |
835 | |
872 | |
836 | #if EV_USE_PORT |
873 | #if EV_USE_PORT |
837 | if (method == EVMETHOD_PORT ) port_destroy (EV_A); |
874 | if (method == EVBACKEND_PORT ) port_destroy (EV_A); |
838 | #endif |
875 | #endif |
839 | #if EV_USE_KQUEUE |
876 | #if EV_USE_KQUEUE |
840 | if (method == EVMETHOD_KQUEUE) kqueue_destroy (EV_A); |
877 | if (method == EVBACKEND_KQUEUE) kqueue_destroy (EV_A); |
841 | #endif |
878 | #endif |
842 | #if EV_USE_EPOLL |
879 | #if EV_USE_EPOLL |
843 | if (method == EVMETHOD_EPOLL ) epoll_destroy (EV_A); |
880 | if (method == EVBACKEND_EPOLL ) epoll_destroy (EV_A); |
844 | #endif |
881 | #endif |
845 | #if EV_USE_POLL |
882 | #if EV_USE_POLL |
846 | if (method == EVMETHOD_POLL ) poll_destroy (EV_A); |
883 | if (method == EVBACKEND_POLL ) poll_destroy (EV_A); |
847 | #endif |
884 | #endif |
848 | #if EV_USE_SELECT |
885 | #if EV_USE_SELECT |
849 | if (method == EVMETHOD_SELECT) select_destroy (EV_A); |
886 | if (method == EVBACKEND_SELECT) select_destroy (EV_A); |
850 | #endif |
887 | #endif |
851 | |
888 | |
852 | for (i = NUMPRI; i--; ) |
889 | for (i = NUMPRI; i--; ) |
853 | array_free (pending, [i]); |
890 | array_free (pending, [i]); |
854 | |
891 | |
… | |
… | |
867 | |
904 | |
868 | static void |
905 | static void |
869 | loop_fork (EV_P) |
906 | loop_fork (EV_P) |
870 | { |
907 | { |
871 | #if EV_USE_PORT |
908 | #if EV_USE_PORT |
872 | if (method == EVMETHOD_PORT ) port_fork (EV_A); |
909 | if (method == EVBACKEND_PORT ) port_fork (EV_A); |
873 | #endif |
910 | #endif |
874 | #if EV_USE_KQUEUE |
911 | #if EV_USE_KQUEUE |
875 | if (method == EVMETHOD_KQUEUE) kqueue_fork (EV_A); |
912 | if (method == EVBACKEND_KQUEUE) kqueue_fork (EV_A); |
876 | #endif |
913 | #endif |
877 | #if EV_USE_EPOLL |
914 | #if EV_USE_EPOLL |
878 | if (method == EVMETHOD_EPOLL ) epoll_fork (EV_A); |
915 | if (method == EVBACKEND_EPOLL ) epoll_fork (EV_A); |
879 | #endif |
916 | #endif |
880 | |
917 | |
881 | if (ev_is_active (&sigev)) |
918 | if (ev_is_active (&sigev)) |
882 | { |
919 | { |
883 | /* default loop */ |
920 | /* default loop */ |