1 | /* |
1 | /* |
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2 | * libev event processing core, watcher management |
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3 | * |
2 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
4 | * Copyright (c) 2007 Marc Alexander Lehmann <libev@schmorp.de> |
3 | * All rights reserved. |
5 | * All rights reserved. |
4 | * |
6 | * |
5 | * Redistribution and use in source and binary forms, with or without |
7 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are |
8 | * modification, are permitted provided that the following conditions are |
… | |
… | |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
27 | * 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. |
28 | */ |
30 | */ |
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31 | #ifndef EV_STANDALONE |
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32 | # include "config.h" |
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33 | #endif |
29 | |
34 | |
30 | #include <math.h> |
35 | #include <math.h> |
31 | #include <stdlib.h> |
36 | #include <stdlib.h> |
32 | #include <unistd.h> |
37 | #include <unistd.h> |
33 | #include <fcntl.h> |
38 | #include <fcntl.h> |
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36 | |
41 | |
37 | #include <stdio.h> |
42 | #include <stdio.h> |
38 | |
43 | |
39 | #include <assert.h> |
44 | #include <assert.h> |
40 | #include <errno.h> |
45 | #include <errno.h> |
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46 | #include <sys/types.h> |
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47 | #ifndef WIN32 |
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48 | # include <sys/wait.h> |
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49 | #endif |
41 | #include <sys/time.h> |
50 | #include <sys/time.h> |
42 | #include <time.h> |
51 | #include <time.h> |
43 | |
52 | |
44 | #define HAVE_EPOLL 1 |
53 | /**/ |
45 | |
54 | |
46 | #ifndef HAVE_MONOTONIC |
55 | #ifndef EV_USE_MONOTONIC |
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56 | # define EV_USE_MONOTONIC 1 |
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57 | #endif |
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58 | |
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59 | #ifndef EV_USE_SELECT |
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60 | # define EV_USE_SELECT 1 |
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61 | #endif |
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62 | |
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63 | #ifndef EV_USEV_POLL |
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64 | # define EV_USEV_POLL 0 /* poll is usually slower than select, and not as well tested */ |
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65 | #endif |
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66 | |
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67 | #ifndef EV_USE_EPOLL |
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68 | # define EV_USE_EPOLL 0 |
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69 | #endif |
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70 | |
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71 | #ifndef EV_USE_KQUEUE |
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72 | # define EV_USE_KQUEUE 0 |
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73 | #endif |
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74 | |
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75 | #ifndef EV_USE_REALTIME |
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76 | # define EV_USE_REALTIME 1 |
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77 | #endif |
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78 | |
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79 | /**/ |
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80 | |
47 | # ifdef CLOCK_MONOTONIC |
81 | #ifndef CLOCK_MONOTONIC |
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82 | # undef EV_USE_MONOTONIC |
48 | # define HAVE_MONOTONIC 1 |
83 | # define EV_USE_MONOTONIC 0 |
49 | # endif |
84 | #endif |
50 | #endif |
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51 | |
85 | |
52 | #ifndef HAVE_SELECT |
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53 | # define HAVE_SELECT 1 |
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54 | #endif |
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55 | |
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56 | #ifndef HAVE_EPOLL |
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57 | # define HAVE_EPOLL 0 |
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58 | #endif |
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59 | |
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60 | #ifndef HAVE_REALTIME |
86 | #ifndef CLOCK_REALTIME |
61 | # define HAVE_REALTIME 1 /* posix requirement, but might be slower */ |
87 | # undef EV_USE_REALTIME |
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88 | # define EV_USE_REALTIME 0 |
62 | #endif |
89 | #endif |
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90 | |
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91 | /**/ |
63 | |
92 | |
64 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
93 | #define MIN_TIMEJUMP 1. /* minimum timejump that gets detected (if monotonic clock available) */ |
65 | #define MAX_BLOCKTIME 60. |
94 | #define MAX_BLOCKTIME 59.731 /* never wait longer than this time (to detect time jumps) */ |
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95 | #define PID_HASHSIZE 16 /* size of pid hash table, must be power of two */ |
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96 | /*#define CLEANUP_INTERVAL 300. /* how often to try to free memory and re-check fds */ |
66 | |
97 | |
67 | #include "ev.h" |
98 | #include "ev.h" |
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99 | |
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100 | #if __GNUC__ >= 3 |
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101 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
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102 | # define inline inline |
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103 | #else |
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104 | # define expect(expr,value) (expr) |
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105 | # define inline static |
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106 | #endif |
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107 | |
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108 | #define expect_false(expr) expect ((expr) != 0, 0) |
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109 | #define expect_true(expr) expect ((expr) != 0, 1) |
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110 | |
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111 | #define NUMPRI (EV_MAXPRI - EV_MINPRI + 1) |
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112 | #define ABSPRI(w) ((w)->priority - EV_MINPRI) |
68 | |
113 | |
69 | typedef struct ev_watcher *W; |
114 | typedef struct ev_watcher *W; |
70 | typedef struct ev_watcher_list *WL; |
115 | typedef struct ev_watcher_list *WL; |
71 | typedef struct ev_watcher_time *WT; |
116 | typedef struct ev_watcher_time *WT; |
72 | |
117 | |
73 | static ev_tstamp now, diff; /* monotonic clock */ |
118 | static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */ |
74 | ev_tstamp ev_now; |
119 | static ev_tstamp rt_now; |
75 | int ev_method; |
120 | static int method; |
76 | |
121 | |
77 | static int have_monotonic; /* runtime */ |
122 | static int have_monotonic; /* runtime */ |
78 | |
123 | |
79 | static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ |
124 | static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ |
80 | static void (*method_modify)(int fd, int oev, int nev); |
125 | static void (*method_modify)(EV_P_ int fd, int oev, int nev); |
81 | static void (*method_poll)(ev_tstamp timeout); |
126 | static void (*method_poll)(EV_P_ ev_tstamp timeout); |
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127 | |
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128 | static int activecnt; /* number of active events */ |
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129 | |
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130 | #if EV_USE_SELECT |
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131 | static unsigned char *vec_ri, *vec_ro, *vec_wi, *vec_wo; |
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132 | static int vec_max; |
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133 | #endif |
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134 | |
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135 | #if EV_USEV_POLL |
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136 | static struct pollfd *polls; |
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137 | static int pollmax, pollcnt; |
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138 | static int *pollidxs; /* maps fds into structure indices */ |
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139 | static int pollidxmax; |
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140 | #endif |
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141 | |
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142 | #if EV_USE_EPOLL |
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143 | static int epoll_fd = -1; |
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144 | |
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145 | static struct epoll_event *events; |
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146 | static int eventmax; |
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147 | #endif |
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148 | |
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149 | #if EV_USE_KQUEUE |
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150 | static int kqueue_fd; |
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151 | static struct kevent *kqueue_changes; |
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152 | static int kqueue_changemax, kqueue_changecnt; |
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153 | static struct kevent *kqueue_events; |
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154 | static int kqueue_eventmax; |
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155 | #endif |
82 | |
156 | |
83 | /*****************************************************************************/ |
157 | /*****************************************************************************/ |
84 | |
158 | |
85 | ev_tstamp |
159 | inline ev_tstamp |
86 | ev_time (void) |
160 | ev_time (void) |
87 | { |
161 | { |
88 | #if HAVE_REALTIME |
162 | #if EV_USE_REALTIME |
89 | struct timespec ts; |
163 | struct timespec ts; |
90 | clock_gettime (CLOCK_REALTIME, &ts); |
164 | clock_gettime (CLOCK_REALTIME, &ts); |
91 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
165 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
92 | #else |
166 | #else |
93 | struct timeval tv; |
167 | struct timeval tv; |
94 | gettimeofday (&tv, 0); |
168 | gettimeofday (&tv, 0); |
95 | return tv.tv_sec + tv.tv_usec * 1e-6; |
169 | return tv.tv_sec + tv.tv_usec * 1e-6; |
96 | #endif |
170 | #endif |
97 | } |
171 | } |
98 | |
172 | |
99 | static ev_tstamp |
173 | inline ev_tstamp |
100 | get_clock (void) |
174 | get_clock (void) |
101 | { |
175 | { |
102 | #if HAVE_MONOTONIC |
176 | #if EV_USE_MONOTONIC |
103 | if (have_monotonic) |
177 | if (expect_true (have_monotonic)) |
104 | { |
178 | { |
105 | struct timespec ts; |
179 | struct timespec ts; |
106 | clock_gettime (CLOCK_MONOTONIC, &ts); |
180 | clock_gettime (CLOCK_MONOTONIC, &ts); |
107 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
181 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
108 | } |
182 | } |
109 | #endif |
183 | #endif |
110 | |
184 | |
111 | return ev_time (); |
185 | return ev_time (); |
112 | } |
186 | } |
113 | |
187 | |
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188 | ev_tstamp |
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189 | ev_now (EV_P) |
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190 | { |
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191 | return rt_now; |
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192 | } |
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193 | |
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194 | #define array_roundsize(base,n) ((n) | 4 & ~3) |
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195 | |
114 | #define array_needsize(base,cur,cnt,init) \ |
196 | #define array_needsize(base,cur,cnt,init) \ |
115 | if ((cnt) > cur) \ |
197 | if (expect_false ((cnt) > cur)) \ |
116 | { \ |
198 | { \ |
117 | int newcnt = cur ? cur << 1 : 16; \ |
199 | int newcnt = cur; \ |
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200 | do \ |
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201 | { \ |
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202 | newcnt = array_roundsize (base, newcnt << 1); \ |
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203 | } \ |
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204 | while ((cnt) > newcnt); \ |
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205 | \ |
118 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
206 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
119 | init (base + cur, newcnt - cur); \ |
207 | init (base + cur, newcnt - cur); \ |
120 | cur = newcnt; \ |
208 | cur = newcnt; \ |
121 | } |
209 | } |
122 | |
210 | |
123 | /*****************************************************************************/ |
211 | /*****************************************************************************/ |
124 | |
212 | |
125 | typedef struct |
213 | typedef struct |
126 | { |
214 | { |
127 | struct ev_io *head; |
215 | struct ev_watcher_list *head; |
128 | unsigned char wev, rev; /* want, received event set */ |
216 | unsigned char events; |
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217 | unsigned char reify; |
129 | } ANFD; |
218 | } ANFD; |
130 | |
219 | |
131 | static ANFD *anfds; |
220 | static ANFD *anfds; |
132 | static int anfdmax; |
221 | static int anfdmax; |
133 | |
222 | |
134 | static int *fdchanges; |
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135 | static int fdchangemax, fdchangecnt; |
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136 | |
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137 | static void |
223 | static void |
138 | anfds_init (ANFD *base, int count) |
224 | anfds_init (ANFD *base, int count) |
139 | { |
225 | { |
140 | while (count--) |
226 | while (count--) |
141 | { |
227 | { |
142 | base->head = 0; |
228 | base->head = 0; |
143 | base->wev = base->rev = EV_NONE; |
229 | base->events = EV_NONE; |
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230 | base->reify = 0; |
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231 | |
144 | ++base; |
232 | ++base; |
145 | } |
233 | } |
146 | } |
234 | } |
147 | |
235 | |
148 | typedef struct |
236 | typedef struct |
149 | { |
237 | { |
150 | W w; |
238 | W w; |
151 | int events; |
239 | int events; |
152 | } ANPENDING; |
240 | } ANPENDING; |
153 | |
241 | |
154 | static ANPENDING *pendings; |
242 | static ANPENDING *pendings [NUMPRI]; |
155 | static int pendingmax, pendingcnt; |
243 | static int pendingmax [NUMPRI], pendingcnt [NUMPRI]; |
156 | |
244 | |
157 | static void |
245 | static void |
158 | event (W w, int events) |
246 | event (EV_P_ W w, int events) |
159 | { |
247 | { |
160 | if (w->active) |
248 | if (w->pending) |
161 | { |
249 | { |
162 | w->pending = ++pendingcnt; |
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163 | array_needsize (pendings, pendingmax, pendingcnt, ); |
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164 | pendings [pendingcnt - 1].w = w; |
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165 | pendings [pendingcnt - 1].events = events; |
250 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
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251 | return; |
166 | } |
252 | } |
167 | } |
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168 | |
253 | |
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254 | w->pending = ++pendingcnt [ABSPRI (w)]; |
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255 | array_needsize (pendings [ABSPRI (w)], pendingmax [ABSPRI (w)], pendingcnt [ABSPRI (w)], ); |
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256 | pendings [ABSPRI (w)][w->pending - 1].w = w; |
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257 | pendings [ABSPRI (w)][w->pending - 1].events = events; |
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258 | } |
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259 | |
169 | static void |
260 | static void |
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261 | queue_events (EV_P_ W *events, int eventcnt, int type) |
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262 | { |
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263 | int i; |
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264 | |
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265 | for (i = 0; i < eventcnt; ++i) |
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266 | event (EV_A_ events [i], type); |
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267 | } |
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268 | |
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269 | static void |
170 | fd_event (int fd, int events) |
270 | fd_event (EV_P_ int fd, int events) |
171 | { |
271 | { |
172 | ANFD *anfd = anfds + fd; |
272 | ANFD *anfd = anfds + fd; |
173 | struct ev_io *w; |
273 | struct ev_io *w; |
174 | |
274 | |
175 | for (w = anfd->head; w; w = w->next) |
275 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
176 | { |
276 | { |
177 | int ev = w->events & events; |
277 | int ev = w->events & events; |
178 | |
278 | |
179 | if (ev) |
279 | if (ev) |
180 | event ((W)w, ev); |
280 | event (EV_A_ (W)w, ev); |
181 | } |
281 | } |
182 | } |
282 | } |
183 | |
283 | |
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284 | /*****************************************************************************/ |
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285 | |
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286 | static int *fdchanges; |
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287 | static int fdchangemax, fdchangecnt; |
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288 | |
184 | static void |
289 | static void |
185 | queue_events (W *events, int eventcnt, int type) |
290 | fd_reify (EV_P) |
186 | { |
291 | { |
187 | int i; |
292 | int i; |
188 | |
293 | |
189 | for (i = 0; i < eventcnt; ++i) |
294 | for (i = 0; i < fdchangecnt; ++i) |
190 | event (events [i], type); |
295 | { |
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296 | int fd = fdchanges [i]; |
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297 | ANFD *anfd = anfds + fd; |
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298 | struct ev_io *w; |
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299 | |
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300 | int events = 0; |
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301 | |
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302 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
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303 | events |= w->events; |
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304 | |
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305 | anfd->reify = 0; |
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306 | |
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307 | if (anfd->events != events) |
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308 | { |
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309 | method_modify (EV_A_ fd, anfd->events, events); |
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310 | anfd->events = events; |
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311 | } |
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312 | } |
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313 | |
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314 | fdchangecnt = 0; |
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315 | } |
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316 | |
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317 | static void |
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318 | fd_change (EV_P_ int fd) |
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319 | { |
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320 | if (anfds [fd].reify || fdchangecnt < 0) |
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321 | return; |
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322 | |
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323 | anfds [fd].reify = 1; |
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324 | |
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325 | ++fdchangecnt; |
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326 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
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327 | fdchanges [fdchangecnt - 1] = fd; |
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328 | } |
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329 | |
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330 | static void |
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331 | fd_kill (EV_P_ int fd) |
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332 | { |
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333 | struct ev_io *w; |
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334 | |
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335 | while ((w = (struct ev_io *)anfds [fd].head)) |
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336 | { |
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337 | ev_io_stop (EV_A_ w); |
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338 | event (EV_A_ (W)w, EV_ERROR | EV_READ | EV_WRITE); |
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339 | } |
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340 | } |
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341 | |
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342 | /* called on EBADF to verify fds */ |
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343 | static void |
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344 | fd_ebadf (EV_P) |
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345 | { |
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346 | int fd; |
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347 | |
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348 | for (fd = 0; fd < anfdmax; ++fd) |
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349 | if (anfds [fd].events) |
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350 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
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351 | fd_kill (EV_A_ fd); |
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352 | } |
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353 | |
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354 | /* called on ENOMEM in select/poll to kill some fds and retry */ |
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355 | static void |
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356 | fd_enomem (EV_P) |
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357 | { |
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358 | int fd = anfdmax; |
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359 | |
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360 | while (fd--) |
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361 | if (anfds [fd].events) |
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362 | { |
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363 | close (fd); |
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364 | fd_kill (EV_A_ fd); |
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365 | return; |
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366 | } |
191 | } |
367 | } |
192 | |
368 | |
193 | /*****************************************************************************/ |
369 | /*****************************************************************************/ |
194 | |
370 | |
195 | static struct ev_timer **timers; |
371 | static struct ev_timer **timers; |
… | |
… | |
241 | |
417 | |
242 | /*****************************************************************************/ |
418 | /*****************************************************************************/ |
243 | |
419 | |
244 | typedef struct |
420 | typedef struct |
245 | { |
421 | { |
246 | struct ev_signal *head; |
422 | struct ev_watcher_list *head; |
247 | sig_atomic_t gotsig; |
423 | sig_atomic_t volatile gotsig; |
248 | } ANSIG; |
424 | } ANSIG; |
249 | |
425 | |
250 | static ANSIG *signals; |
426 | static ANSIG *signals; |
251 | static int signalmax; |
427 | static int signalmax; |
252 | |
428 | |
253 | static int sigpipe [2]; |
429 | static int sigpipe [2]; |
254 | static sig_atomic_t gotsig; |
430 | static sig_atomic_t volatile gotsig; |
255 | static struct ev_io sigev; |
431 | static struct ev_io sigev; |
256 | |
432 | |
257 | static void |
433 | static void |
258 | signals_init (ANSIG *base, int count) |
434 | signals_init (ANSIG *base, int count) |
259 | { |
435 | { |
260 | while (count--) |
436 | while (count--) |
261 | { |
437 | { |
262 | base->head = 0; |
438 | base->head = 0; |
263 | base->gotsig = 0; |
439 | base->gotsig = 0; |
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440 | |
264 | ++base; |
441 | ++base; |
265 | } |
442 | } |
266 | } |
443 | } |
267 | |
444 | |
268 | static void |
445 | static void |
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… | |
270 | { |
447 | { |
271 | signals [signum - 1].gotsig = 1; |
448 | signals [signum - 1].gotsig = 1; |
272 | |
449 | |
273 | if (!gotsig) |
450 | if (!gotsig) |
274 | { |
451 | { |
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452 | int old_errno = errno; |
275 | gotsig = 1; |
453 | gotsig = 1; |
276 | write (sigpipe [1], &gotsig, 1); |
454 | write (sigpipe [1], &signum, 1); |
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455 | errno = old_errno; |
277 | } |
456 | } |
278 | } |
457 | } |
279 | |
458 | |
280 | static void |
459 | static void |
281 | sigcb (struct ev_io *iow, int revents) |
460 | sigcb (EV_P_ struct ev_io *iow, int revents) |
282 | { |
461 | { |
283 | struct ev_signal *w; |
462 | struct ev_watcher_list *w; |
284 | int sig; |
463 | int signum; |
285 | |
464 | |
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465 | read (sigpipe [0], &revents, 1); |
286 | gotsig = 0; |
466 | gotsig = 0; |
287 | read (sigpipe [0], &revents, 1); |
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288 | |
467 | |
289 | for (sig = signalmax; sig--; ) |
468 | for (signum = signalmax; signum--; ) |
290 | if (signals [sig].gotsig) |
469 | if (signals [signum].gotsig) |
291 | { |
470 | { |
292 | signals [sig].gotsig = 0; |
471 | signals [signum].gotsig = 0; |
293 | |
472 | |
294 | for (w = signals [sig].head; w; w = w->next) |
473 | for (w = signals [signum].head; w; w = w->next) |
295 | event ((W)w, EV_SIGNAL); |
474 | event (EV_A_ (W)w, EV_SIGNAL); |
296 | } |
475 | } |
297 | } |
476 | } |
298 | |
477 | |
299 | static void |
478 | static void |
300 | siginit (void) |
479 | siginit (EV_P) |
301 | { |
480 | { |
|
|
481 | #ifndef WIN32 |
302 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
482 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
303 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
483 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
304 | |
484 | |
305 | /* rather than sort out wether we really need nb, set it */ |
485 | /* rather than sort out wether we really need nb, set it */ |
306 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
486 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
307 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
487 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
488 | #endif |
308 | |
489 | |
309 | evio_set (&sigev, sigpipe [0], EV_READ); |
490 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
310 | evio_start (&sigev); |
491 | ev_io_start (&sigev); |
311 | } |
492 | } |
312 | |
493 | |
313 | /*****************************************************************************/ |
494 | /*****************************************************************************/ |
314 | |
495 | |
315 | static struct ev_idle **idles; |
496 | static struct ev_idle **idles; |
316 | static int idlemax, idlecnt; |
497 | static int idlemax, idlecnt; |
317 | |
498 | |
|
|
499 | static struct ev_prepare **prepares; |
|
|
500 | static int preparemax, preparecnt; |
|
|
501 | |
318 | static struct ev_check **checks; |
502 | static struct ev_check **checks; |
319 | static int checkmax, checkcnt; |
503 | static int checkmax, checkcnt; |
320 | |
504 | |
321 | /*****************************************************************************/ |
505 | /*****************************************************************************/ |
322 | |
506 | |
|
|
507 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
508 | static struct ev_signal childev; |
|
|
509 | |
|
|
510 | #ifndef WIN32 |
|
|
511 | |
|
|
512 | #ifndef WCONTINUED |
|
|
513 | # define WCONTINUED 0 |
|
|
514 | #endif |
|
|
515 | |
|
|
516 | static void |
|
|
517 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
518 | { |
|
|
519 | struct ev_child *w; |
|
|
520 | |
|
|
521 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
522 | if (w->pid == pid || !w->pid) |
|
|
523 | { |
|
|
524 | w->priority = sw->priority; /* need to do it *now* */ |
|
|
525 | w->rpid = pid; |
|
|
526 | w->rstatus = status; |
|
|
527 | event (EV_A_ (W)w, EV_CHILD); |
|
|
528 | } |
|
|
529 | } |
|
|
530 | |
|
|
531 | static void |
|
|
532 | childcb (EV_P_ struct ev_signal *sw, int revents) |
|
|
533 | { |
|
|
534 | int pid, status; |
|
|
535 | |
|
|
536 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
|
|
537 | { |
|
|
538 | /* make sure we are called again until all childs have been reaped */ |
|
|
539 | event (EV_A_ (W)sw, EV_SIGNAL); |
|
|
540 | |
|
|
541 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
542 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
|
|
543 | } |
|
|
544 | } |
|
|
545 | |
|
|
546 | #endif |
|
|
547 | |
|
|
548 | /*****************************************************************************/ |
|
|
549 | |
|
|
550 | #if EV_USE_KQUEUE |
|
|
551 | # include "ev_kqueue.c" |
|
|
552 | #endif |
323 | #if HAVE_EPOLL |
553 | #if EV_USE_EPOLL |
324 | # include "ev_epoll.c" |
554 | # include "ev_epoll.c" |
325 | #endif |
555 | #endif |
|
|
556 | #if EV_USEV_POLL |
|
|
557 | # include "ev_poll.c" |
|
|
558 | #endif |
326 | #if HAVE_SELECT |
559 | #if EV_USE_SELECT |
327 | # include "ev_select.c" |
560 | # include "ev_select.c" |
328 | #endif |
561 | #endif |
329 | |
562 | |
330 | int ev_init (int flags) |
563 | int |
|
|
564 | ev_version_major (void) |
331 | { |
565 | { |
|
|
566 | return EV_VERSION_MAJOR; |
|
|
567 | } |
|
|
568 | |
|
|
569 | int |
|
|
570 | ev_version_minor (void) |
|
|
571 | { |
|
|
572 | return EV_VERSION_MINOR; |
|
|
573 | } |
|
|
574 | |
|
|
575 | /* return true if we are running with elevated privileges and should ignore env variables */ |
|
|
576 | static int |
|
|
577 | enable_secure (void) |
|
|
578 | { |
|
|
579 | #ifdef WIN32 |
|
|
580 | return 0; |
|
|
581 | #else |
|
|
582 | return getuid () != geteuid () |
|
|
583 | || getgid () != getegid (); |
|
|
584 | #endif |
|
|
585 | } |
|
|
586 | |
|
|
587 | int |
|
|
588 | ev_method (EV_P) |
|
|
589 | { |
|
|
590 | return method; |
|
|
591 | } |
|
|
592 | |
|
|
593 | int |
|
|
594 | ev_init (EV_P_ int methods) |
|
|
595 | { |
|
|
596 | if (!method) |
|
|
597 | { |
332 | #if HAVE_MONOTONIC |
598 | #if EV_USE_MONOTONIC |
333 | { |
599 | { |
334 | struct timespec ts; |
600 | struct timespec ts; |
335 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
601 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
336 | have_monotonic = 1; |
602 | have_monotonic = 1; |
337 | } |
603 | } |
338 | #endif |
604 | #endif |
339 | |
605 | |
340 | ev_now = ev_time (); |
606 | rt_now = ev_time (); |
341 | now = get_clock (); |
607 | mn_now = get_clock (); |
|
|
608 | now_floor = mn_now; |
342 | diff = ev_now - now; |
609 | diff = rt_now - mn_now; |
343 | |
610 | |
344 | if (pipe (sigpipe)) |
611 | if (pipe (sigpipe)) |
345 | return 0; |
612 | return 0; |
346 | |
613 | |
347 | ev_method = EVMETHOD_NONE; |
614 | if (methods == EVMETHOD_AUTO) |
|
|
615 | if (!enable_secure () && getenv ("LIBmethodS")) |
|
|
616 | methods = atoi (getenv ("LIBmethodS")); |
|
|
617 | else |
|
|
618 | methods = EVMETHOD_ANY; |
|
|
619 | |
|
|
620 | method = 0; |
|
|
621 | #if EV_USE_KQUEUE |
|
|
622 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
|
|
623 | #endif |
348 | #if HAVE_EPOLL |
624 | #if EV_USE_EPOLL |
349 | if (ev_method == EVMETHOD_NONE) epoll_init (flags); |
625 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
350 | #endif |
626 | #endif |
|
|
627 | #if EV_USEV_POLL |
|
|
628 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
|
|
629 | #endif |
351 | #if HAVE_SELECT |
630 | #if EV_USE_SELECT |
352 | if (ev_method == EVMETHOD_NONE) select_init (flags); |
631 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
353 | #endif |
632 | #endif |
354 | |
633 | |
355 | if (ev_method) |
634 | if (method) |
356 | { |
635 | { |
357 | evw_init (&sigev, sigcb); |
636 | ev_watcher_init (&sigev, sigcb); |
|
|
637 | ev_set_priority (&sigev, EV_MAXPRI); |
358 | siginit (); |
638 | siginit (EV_A); |
359 | } |
|
|
360 | |
639 | |
|
|
640 | #ifndef WIN32 |
|
|
641 | ev_signal_init (&childev, childcb, SIGCHLD); |
|
|
642 | ev_set_priority (&childev, EV_MAXPRI); |
|
|
643 | ev_signal_start (EV_A_ &childev); |
|
|
644 | #endif |
|
|
645 | } |
|
|
646 | } |
|
|
647 | |
361 | return ev_method; |
648 | return method; |
362 | } |
649 | } |
363 | |
650 | |
364 | /*****************************************************************************/ |
651 | /*****************************************************************************/ |
365 | |
652 | |
366 | void ev_prefork (void) |
653 | void |
|
|
654 | ev_fork_prepare (void) |
367 | { |
655 | { |
368 | /* nop */ |
656 | /* nop */ |
369 | } |
657 | } |
370 | |
658 | |
|
|
659 | void |
371 | void ev_postfork_parent (void) |
660 | ev_fork_parent (void) |
372 | { |
661 | { |
373 | /* nop */ |
662 | /* nop */ |
374 | } |
663 | } |
375 | |
664 | |
|
|
665 | void |
376 | void ev_postfork_child (void) |
666 | ev_fork_child (void) |
377 | { |
667 | { |
378 | #if HAVE_EPOLL |
668 | #if EV_USE_EPOLL |
379 | if (ev_method == EVMETHOD_EPOLL) |
669 | if (method == EVMETHOD_EPOLL) |
380 | epoll_postfork_child (); |
670 | epoll_postfork_child (); |
381 | #endif |
671 | #endif |
382 | |
672 | |
383 | evio_stop (&sigev); |
673 | ev_io_stop (&sigev); |
384 | close (sigpipe [0]); |
674 | close (sigpipe [0]); |
385 | close (sigpipe [1]); |
675 | close (sigpipe [1]); |
386 | pipe (sigpipe); |
676 | pipe (sigpipe); |
387 | siginit (); |
677 | siginit (); |
388 | } |
678 | } |
389 | |
679 | |
390 | /*****************************************************************************/ |
680 | /*****************************************************************************/ |
391 | |
681 | |
392 | static void |
682 | static void |
393 | fd_reify (void) |
683 | call_pending (EV_P) |
394 | { |
684 | { |
395 | int i; |
685 | int pri; |
396 | |
686 | |
397 | for (i = 0; i < fdchangecnt; ++i) |
687 | for (pri = NUMPRI; pri--; ) |
398 | { |
688 | while (pendingcnt [pri]) |
399 | int fd = fdchanges [i]; |
|
|
400 | ANFD *anfd = anfds + fd; |
|
|
401 | struct ev_io *w; |
|
|
402 | |
|
|
403 | int wev = 0; |
|
|
404 | |
|
|
405 | for (w = anfd->head; w; w = w->next) |
|
|
406 | wev |= w->events; |
|
|
407 | |
|
|
408 | if (anfd->wev != wev) |
|
|
409 | { |
689 | { |
410 | method_modify (fd, anfd->wev, wev); |
|
|
411 | anfd->wev = wev; |
|
|
412 | } |
|
|
413 | } |
|
|
414 | |
|
|
415 | fdchangecnt = 0; |
|
|
416 | } |
|
|
417 | |
|
|
418 | static void |
|
|
419 | call_pending () |
|
|
420 | { |
|
|
421 | while (pendingcnt) |
|
|
422 | { |
|
|
423 | ANPENDING *p = pendings + --pendingcnt; |
690 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
424 | |
691 | |
425 | if (p->w) |
692 | if (p->w) |
426 | { |
693 | { |
427 | p->w->pending = 0; |
694 | p->w->pending = 0; |
428 | p->w->cb (p->w, p->events); |
695 | p->w->cb (EV_A_ p->w, p->events); |
429 | } |
696 | } |
430 | } |
697 | } |
431 | } |
698 | } |
432 | |
699 | |
433 | static void |
700 | static void |
434 | timers_reify () |
701 | timers_reify (EV_P) |
435 | { |
702 | { |
436 | while (timercnt && timers [0]->at <= now) |
703 | while (timercnt && timers [0]->at <= mn_now) |
437 | { |
704 | { |
438 | struct ev_timer *w = timers [0]; |
705 | struct ev_timer *w = timers [0]; |
439 | |
|
|
440 | event ((W)w, EV_TIMEOUT); |
|
|
441 | |
706 | |
442 | /* first reschedule or stop timer */ |
707 | /* first reschedule or stop timer */ |
443 | if (w->repeat) |
708 | if (w->repeat) |
444 | { |
709 | { |
|
|
710 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
445 | w->at = now + w->repeat; |
711 | w->at = mn_now + w->repeat; |
446 | assert (("timer timeout in the past, negative repeat?", w->at > now)); |
|
|
447 | downheap ((WT *)timers, timercnt, 0); |
712 | downheap ((WT *)timers, timercnt, 0); |
448 | } |
713 | } |
449 | else |
714 | else |
450 | evtimer_stop (w); /* nonrepeating: stop timer */ |
715 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
451 | } |
|
|
452 | } |
|
|
453 | |
716 | |
|
|
717 | event ((W)w, EV_TIMEOUT); |
|
|
718 | } |
|
|
719 | } |
|
|
720 | |
454 | static void |
721 | static void |
455 | periodics_reify () |
722 | periodics_reify (EV_P) |
456 | { |
723 | { |
457 | while (periodiccnt && periodics [0]->at <= ev_now) |
724 | while (periodiccnt && periodics [0]->at <= rt_now) |
458 | { |
725 | { |
459 | struct ev_periodic *w = periodics [0]; |
726 | struct ev_periodic *w = periodics [0]; |
460 | |
727 | |
461 | /* first reschedule or stop timer */ |
728 | /* first reschedule or stop timer */ |
462 | if (w->interval) |
729 | if (w->interval) |
463 | { |
730 | { |
464 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
731 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
465 | assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); |
732 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
466 | downheap ((WT *)periodics, periodiccnt, 0); |
733 | downheap ((WT *)periodics, periodiccnt, 0); |
467 | } |
734 | } |
468 | else |
735 | else |
469 | evperiodic_stop (w); /* nonrepeating: stop timer */ |
736 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
470 | |
737 | |
471 | event ((W)w, EV_TIMEOUT); |
738 | event (EV_A_ (W)w, EV_PERIODIC); |
472 | } |
739 | } |
473 | } |
740 | } |
474 | |
741 | |
475 | static void |
742 | static void |
476 | periodics_reschedule (ev_tstamp diff) |
743 | periodics_reschedule (EV_P_ ev_tstamp diff) |
477 | { |
744 | { |
478 | int i; |
745 | int i; |
479 | |
746 | |
480 | /* adjust periodics after time jump */ |
747 | /* adjust periodics after time jump */ |
481 | for (i = 0; i < periodiccnt; ++i) |
748 | for (i = 0; i < periodiccnt; ++i) |
482 | { |
749 | { |
483 | struct ev_periodic *w = periodics [i]; |
750 | struct ev_periodic *w = periodics [i]; |
484 | |
751 | |
485 | if (w->interval) |
752 | if (w->interval) |
486 | { |
753 | { |
487 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
754 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
488 | |
755 | |
489 | if (fabs (diff) >= 1e-4) |
756 | if (fabs (diff) >= 1e-4) |
490 | { |
757 | { |
491 | evperiodic_stop (w); |
758 | ev_periodic_stop (EV_A_ w); |
492 | evperiodic_start (w); |
759 | ev_periodic_start (EV_A_ w); |
493 | |
760 | |
494 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
761 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
495 | } |
762 | } |
496 | } |
763 | } |
497 | } |
764 | } |
498 | } |
765 | } |
499 | |
766 | |
|
|
767 | inline int |
|
|
768 | time_update_monotonic (EV_P) |
|
|
769 | { |
|
|
770 | mn_now = get_clock (); |
|
|
771 | |
|
|
772 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
|
|
773 | { |
|
|
774 | rt_now = mn_now + diff; |
|
|
775 | return 0; |
|
|
776 | } |
|
|
777 | else |
|
|
778 | { |
|
|
779 | now_floor = mn_now; |
|
|
780 | rt_now = ev_time (); |
|
|
781 | return 1; |
|
|
782 | } |
|
|
783 | } |
|
|
784 | |
500 | static void |
785 | static void |
501 | time_update () |
786 | time_update (EV_P) |
502 | { |
787 | { |
503 | int i; |
788 | int i; |
504 | |
789 | |
505 | ev_now = ev_time (); |
790 | #if EV_USE_MONOTONIC |
506 | |
|
|
507 | if (have_monotonic) |
791 | if (expect_true (have_monotonic)) |
508 | { |
792 | { |
509 | ev_tstamp odiff = diff; |
793 | if (time_update_monotonic (EV_A)) |
510 | |
|
|
511 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
512 | { |
794 | { |
513 | now = get_clock (); |
795 | ev_tstamp odiff = diff; |
|
|
796 | |
|
|
797 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
798 | { |
514 | diff = ev_now - now; |
799 | diff = rt_now - mn_now; |
515 | |
800 | |
516 | if (fabs (odiff - diff) < MIN_TIMEJUMP) |
801 | if (fabs (odiff - diff) < MIN_TIMEJUMP) |
517 | return; /* all is well */ |
802 | return; /* all is well */ |
518 | |
803 | |
519 | ev_now = ev_time (); |
804 | rt_now = ev_time (); |
|
|
805 | mn_now = get_clock (); |
|
|
806 | now_floor = mn_now; |
|
|
807 | } |
|
|
808 | |
|
|
809 | periodics_reschedule (EV_A_ diff - odiff); |
|
|
810 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
520 | } |
811 | } |
521 | |
|
|
522 | periodics_reschedule (diff - odiff); |
|
|
523 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
524 | } |
812 | } |
525 | else |
813 | else |
|
|
814 | #endif |
526 | { |
815 | { |
527 | if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP) |
816 | rt_now = ev_time (); |
|
|
817 | |
|
|
818 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
528 | { |
819 | { |
529 | periodics_reschedule (ev_now - now); |
820 | periodics_reschedule (EV_A_ rt_now - mn_now); |
530 | |
821 | |
531 | /* adjust timers. this is easy, as the offset is the same for all */ |
822 | /* adjust timers. this is easy, as the offset is the same for all */ |
532 | for (i = 0; i < timercnt; ++i) |
823 | for (i = 0; i < timercnt; ++i) |
533 | timers [i]->at += diff; |
824 | timers [i]->at += diff; |
534 | } |
825 | } |
535 | |
826 | |
536 | now = ev_now; |
827 | mn_now = rt_now; |
537 | } |
828 | } |
538 | } |
829 | } |
539 | |
830 | |
540 | int ev_loop_done; |
831 | void |
|
|
832 | ev_ref (EV_P) |
|
|
833 | { |
|
|
834 | ++activecnt; |
|
|
835 | } |
541 | |
836 | |
|
|
837 | void |
|
|
838 | ev_unref (EV_P) |
|
|
839 | { |
|
|
840 | --activecnt; |
|
|
841 | } |
|
|
842 | |
|
|
843 | static int loop_done; |
|
|
844 | |
|
|
845 | void |
542 | void ev_loop (int flags) |
846 | ev_loop (EV_P_ int flags) |
543 | { |
847 | { |
544 | double block; |
848 | double block; |
545 | ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; |
849 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
546 | |
|
|
547 | if (checkcnt) |
|
|
548 | { |
|
|
549 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
|
|
550 | call_pending (); |
|
|
551 | } |
|
|
552 | |
850 | |
553 | do |
851 | do |
554 | { |
852 | { |
|
|
853 | /* queue check watchers (and execute them) */ |
|
|
854 | if (expect_false (preparecnt)) |
|
|
855 | { |
|
|
856 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
|
|
857 | call_pending (EV_A); |
|
|
858 | } |
|
|
859 | |
555 | /* update fd-related kernel structures */ |
860 | /* update fd-related kernel structures */ |
556 | fd_reify (); |
861 | fd_reify (EV_A); |
557 | |
862 | |
558 | /* calculate blocking time */ |
863 | /* calculate blocking time */ |
559 | |
864 | |
560 | /* we only need this for !monotonic clock, but as we always have timers, we just calculate it every time */ |
865 | /* we only need this for !monotonic clockor timers, but as we basically |
|
|
866 | always have timers, we just calculate it always */ |
|
|
867 | #if EV_USE_MONOTONIC |
|
|
868 | if (expect_true (have_monotonic)) |
|
|
869 | time_update_monotonic (EV_A); |
|
|
870 | else |
|
|
871 | #endif |
|
|
872 | { |
561 | ev_now = ev_time (); |
873 | rt_now = ev_time (); |
|
|
874 | mn_now = rt_now; |
|
|
875 | } |
562 | |
876 | |
563 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
877 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
564 | block = 0.; |
878 | block = 0.; |
565 | else |
879 | else |
566 | { |
880 | { |
567 | block = MAX_BLOCKTIME; |
881 | block = MAX_BLOCKTIME; |
568 | |
882 | |
569 | if (timercnt) |
883 | if (timercnt) |
570 | { |
884 | { |
571 | ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge; |
885 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
572 | if (block > to) block = to; |
886 | if (block > to) block = to; |
573 | } |
887 | } |
574 | |
888 | |
575 | if (periodiccnt) |
889 | if (periodiccnt) |
576 | { |
890 | { |
577 | ev_tstamp to = periodics [0]->at - ev_now + method_fudge; |
891 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
578 | if (block > to) block = to; |
892 | if (block > to) block = to; |
579 | } |
893 | } |
580 | |
894 | |
581 | if (block < 0.) block = 0.; |
895 | if (block < 0.) block = 0.; |
582 | } |
896 | } |
583 | |
897 | |
584 | method_poll (block); |
898 | method_poll (EV_A_ block); |
585 | |
899 | |
586 | /* update ev_now, do magic */ |
900 | /* update rt_now, do magic */ |
587 | time_update (); |
901 | time_update (EV_A); |
588 | |
902 | |
589 | /* queue pending timers and reschedule them */ |
903 | /* queue pending timers and reschedule them */ |
|
|
904 | timers_reify (EV_A); /* relative timers called last */ |
590 | periodics_reify (); /* absolute timers first */ |
905 | periodics_reify (EV_A); /* absolute timers called first */ |
591 | timers_reify (); /* relative timers second */ |
|
|
592 | |
906 | |
593 | /* queue idle watchers unless io or timers are pending */ |
907 | /* queue idle watchers unless io or timers are pending */ |
594 | if (!pendingcnt) |
908 | if (!pendingcnt) |
595 | queue_events ((W *)idles, idlecnt, EV_IDLE); |
909 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
596 | |
910 | |
597 | /* queue check and possibly idle watchers */ |
911 | /* queue check watchers, to be executed first */ |
|
|
912 | if (checkcnt) |
598 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
913 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
599 | |
914 | |
600 | call_pending (); |
915 | call_pending (EV_A); |
|
|
916 | printf ("activecnt %d\n", activecnt);//D |
601 | } |
917 | } |
602 | while (!ev_loop_done); |
918 | while (activecnt && !loop_done); |
603 | |
919 | |
604 | if (ev_loop_done != 2) |
920 | if (loop_done != 2) |
605 | ev_loop_done = 0; |
921 | loop_done = 0; |
|
|
922 | } |
|
|
923 | |
|
|
924 | void |
|
|
925 | ev_unloop (EV_P_ int how) |
|
|
926 | { |
|
|
927 | loop_done = how; |
606 | } |
928 | } |
607 | |
929 | |
608 | /*****************************************************************************/ |
930 | /*****************************************************************************/ |
609 | |
931 | |
610 | static void |
932 | inline void |
611 | wlist_add (WL *head, WL elem) |
933 | wlist_add (WL *head, WL elem) |
612 | { |
934 | { |
613 | elem->next = *head; |
935 | elem->next = *head; |
614 | *head = elem; |
936 | *head = elem; |
615 | } |
937 | } |
616 | |
938 | |
617 | static void |
939 | inline void |
618 | wlist_del (WL *head, WL elem) |
940 | wlist_del (WL *head, WL elem) |
619 | { |
941 | { |
620 | while (*head) |
942 | while (*head) |
621 | { |
943 | { |
622 | if (*head == elem) |
944 | if (*head == elem) |
… | |
… | |
627 | |
949 | |
628 | head = &(*head)->next; |
950 | head = &(*head)->next; |
629 | } |
951 | } |
630 | } |
952 | } |
631 | |
953 | |
632 | static void |
954 | inline void |
633 | ev_clear (W w) |
955 | ev_clear_pending (EV_P_ W w) |
634 | { |
956 | { |
635 | if (w->pending) |
957 | if (w->pending) |
636 | { |
958 | { |
637 | pendings [w->pending - 1].w = 0; |
959 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
638 | w->pending = 0; |
960 | w->pending = 0; |
639 | } |
961 | } |
640 | } |
962 | } |
641 | |
963 | |
642 | static void |
964 | inline void |
643 | ev_start (W w, int active) |
965 | ev_start (EV_P_ W w, int active) |
644 | { |
966 | { |
|
|
967 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
|
|
968 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
969 | |
645 | w->active = active; |
970 | w->active = active; |
|
|
971 | ev_ref (EV_A); |
646 | } |
972 | } |
647 | |
973 | |
648 | static void |
974 | inline void |
649 | ev_stop (W w) |
975 | ev_stop (EV_P_ W w) |
650 | { |
976 | { |
|
|
977 | ev_unref (EV_A); |
651 | w->active = 0; |
978 | w->active = 0; |
652 | } |
979 | } |
653 | |
980 | |
654 | /*****************************************************************************/ |
981 | /*****************************************************************************/ |
655 | |
982 | |
656 | void |
983 | void |
657 | evio_start (struct ev_io *w) |
984 | ev_io_start (EV_P_ struct ev_io *w) |
658 | { |
985 | { |
|
|
986 | int fd = w->fd; |
|
|
987 | |
659 | if (ev_is_active (w)) |
988 | if (ev_is_active (w)) |
660 | return; |
989 | return; |
661 | |
990 | |
662 | int fd = w->fd; |
991 | assert (("ev_io_start called with negative fd", fd >= 0)); |
663 | |
992 | |
664 | ev_start ((W)w, 1); |
993 | ev_start (EV_A_ (W)w, 1); |
665 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
994 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
666 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
995 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
667 | |
996 | |
668 | ++fdchangecnt; |
997 | fd_change (EV_A_ fd); |
669 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
670 | fdchanges [fdchangecnt - 1] = fd; |
|
|
671 | } |
998 | } |
672 | |
999 | |
673 | void |
1000 | void |
674 | evio_stop (struct ev_io *w) |
1001 | ev_io_stop (EV_P_ struct ev_io *w) |
675 | { |
1002 | { |
676 | ev_clear ((W)w); |
1003 | ev_clear_pending (EV_A_ (W)w); |
677 | if (!ev_is_active (w)) |
1004 | if (!ev_is_active (w)) |
678 | return; |
1005 | return; |
679 | |
1006 | |
680 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1007 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
681 | ev_stop ((W)w); |
1008 | ev_stop (EV_A_ (W)w); |
682 | |
1009 | |
683 | ++fdchangecnt; |
1010 | fd_change (EV_A_ w->fd); |
684 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
685 | fdchanges [fdchangecnt - 1] = w->fd; |
|
|
686 | } |
1011 | } |
687 | |
1012 | |
688 | void |
1013 | void |
689 | evtimer_start (struct ev_timer *w) |
1014 | ev_timer_start (EV_P_ struct ev_timer *w) |
690 | { |
1015 | { |
691 | if (ev_is_active (w)) |
1016 | if (ev_is_active (w)) |
692 | return; |
1017 | return; |
693 | |
1018 | |
694 | w->at += now; |
1019 | w->at += mn_now; |
695 | |
1020 | |
696 | assert (("timer repeat value less than zero not allowed", w->repeat >= 0.)); |
1021 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
697 | |
1022 | |
698 | ev_start ((W)w, ++timercnt); |
1023 | ev_start (EV_A_ (W)w, ++timercnt); |
699 | array_needsize (timers, timermax, timercnt, ); |
1024 | array_needsize (timers, timermax, timercnt, ); |
700 | timers [timercnt - 1] = w; |
1025 | timers [timercnt - 1] = w; |
701 | upheap ((WT *)timers, timercnt - 1); |
1026 | upheap ((WT *)timers, timercnt - 1); |
702 | } |
1027 | } |
703 | |
1028 | |
704 | void |
1029 | void |
705 | evtimer_stop (struct ev_timer *w) |
1030 | ev_timer_stop (EV_P_ struct ev_timer *w) |
706 | { |
1031 | { |
707 | ev_clear ((W)w); |
1032 | ev_clear_pending (EV_A_ (W)w); |
708 | if (!ev_is_active (w)) |
1033 | if (!ev_is_active (w)) |
709 | return; |
1034 | return; |
710 | |
1035 | |
711 | if (w->active < timercnt--) |
1036 | if (w->active < timercnt--) |
712 | { |
1037 | { |
… | |
… | |
714 | downheap ((WT *)timers, timercnt, w->active - 1); |
1039 | downheap ((WT *)timers, timercnt, w->active - 1); |
715 | } |
1040 | } |
716 | |
1041 | |
717 | w->at = w->repeat; |
1042 | w->at = w->repeat; |
718 | |
1043 | |
719 | ev_stop ((W)w); |
1044 | ev_stop (EV_A_ (W)w); |
720 | } |
1045 | } |
721 | |
1046 | |
722 | void |
1047 | void |
723 | evtimer_again (struct ev_timer *w) |
1048 | ev_timer_again (EV_P_ struct ev_timer *w) |
724 | { |
1049 | { |
725 | if (ev_is_active (w)) |
1050 | if (ev_is_active (w)) |
726 | { |
1051 | { |
727 | if (w->repeat) |
1052 | if (w->repeat) |
728 | { |
1053 | { |
729 | w->at = now + w->repeat; |
1054 | w->at = mn_now + w->repeat; |
730 | downheap ((WT *)timers, timercnt, w->active - 1); |
1055 | downheap ((WT *)timers, timercnt, w->active - 1); |
731 | } |
1056 | } |
732 | else |
1057 | else |
733 | evtimer_stop (w); |
1058 | ev_timer_stop (EV_A_ w); |
734 | } |
1059 | } |
735 | else if (w->repeat) |
1060 | else if (w->repeat) |
736 | evtimer_start (w); |
1061 | ev_timer_start (EV_A_ w); |
737 | } |
1062 | } |
738 | |
1063 | |
739 | void |
1064 | void |
740 | evperiodic_start (struct ev_periodic *w) |
1065 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
741 | { |
1066 | { |
742 | if (ev_is_active (w)) |
1067 | if (ev_is_active (w)) |
743 | return; |
1068 | return; |
744 | |
1069 | |
745 | assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); |
1070 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
746 | |
1071 | |
747 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1072 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
748 | if (w->interval) |
1073 | if (w->interval) |
749 | w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; |
1074 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
750 | |
1075 | |
751 | ev_start ((W)w, ++periodiccnt); |
1076 | ev_start (EV_A_ (W)w, ++periodiccnt); |
752 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1077 | array_needsize (periodics, periodicmax, periodiccnt, ); |
753 | periodics [periodiccnt - 1] = w; |
1078 | periodics [periodiccnt - 1] = w; |
754 | upheap ((WT *)periodics, periodiccnt - 1); |
1079 | upheap ((WT *)periodics, periodiccnt - 1); |
755 | } |
1080 | } |
756 | |
1081 | |
757 | void |
1082 | void |
758 | evperiodic_stop (struct ev_periodic *w) |
1083 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
759 | { |
1084 | { |
760 | ev_clear ((W)w); |
1085 | ev_clear_pending (EV_A_ (W)w); |
761 | if (!ev_is_active (w)) |
1086 | if (!ev_is_active (w)) |
762 | return; |
1087 | return; |
763 | |
1088 | |
764 | if (w->active < periodiccnt--) |
1089 | if (w->active < periodiccnt--) |
765 | { |
1090 | { |
766 | periodics [w->active - 1] = periodics [periodiccnt]; |
1091 | periodics [w->active - 1] = periodics [periodiccnt]; |
767 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1092 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
768 | } |
1093 | } |
769 | |
1094 | |
770 | ev_stop ((W)w); |
1095 | ev_stop (EV_A_ (W)w); |
771 | } |
1096 | } |
772 | |
1097 | |
|
|
1098 | #ifndef SA_RESTART |
|
|
1099 | # define SA_RESTART 0 |
|
|
1100 | #endif |
|
|
1101 | |
773 | void |
1102 | void |
774 | evsignal_start (struct ev_signal *w) |
1103 | ev_signal_start (EV_P_ struct ev_signal *w) |
775 | { |
1104 | { |
776 | if (ev_is_active (w)) |
1105 | if (ev_is_active (w)) |
777 | return; |
1106 | return; |
778 | |
1107 | |
|
|
1108 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
1109 | |
779 | ev_start ((W)w, 1); |
1110 | ev_start (EV_A_ (W)w, 1); |
780 | array_needsize (signals, signalmax, w->signum, signals_init); |
1111 | array_needsize (signals, signalmax, w->signum, signals_init); |
781 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1112 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
782 | |
1113 | |
783 | if (!w->next) |
1114 | if (!w->next) |
784 | { |
1115 | { |
785 | struct sigaction sa; |
1116 | struct sigaction sa; |
786 | sa.sa_handler = sighandler; |
1117 | sa.sa_handler = sighandler; |
787 | sigfillset (&sa.sa_mask); |
1118 | sigfillset (&sa.sa_mask); |
788 | sa.sa_flags = 0; |
1119 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
789 | sigaction (w->signum, &sa, 0); |
1120 | sigaction (w->signum, &sa, 0); |
790 | } |
1121 | } |
791 | } |
1122 | } |
792 | |
1123 | |
793 | void |
1124 | void |
794 | evsignal_stop (struct ev_signal *w) |
1125 | ev_signal_stop (EV_P_ struct ev_signal *w) |
795 | { |
1126 | { |
796 | ev_clear ((W)w); |
1127 | ev_clear_pending (EV_A_ (W)w); |
797 | if (!ev_is_active (w)) |
1128 | if (!ev_is_active (w)) |
798 | return; |
1129 | return; |
799 | |
1130 | |
800 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1131 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
801 | ev_stop ((W)w); |
1132 | ev_stop (EV_A_ (W)w); |
802 | |
1133 | |
803 | if (!signals [w->signum - 1].head) |
1134 | if (!signals [w->signum - 1].head) |
804 | signal (w->signum, SIG_DFL); |
1135 | signal (w->signum, SIG_DFL); |
805 | } |
1136 | } |
806 | |
1137 | |
|
|
1138 | void |
807 | void evidle_start (struct ev_idle *w) |
1139 | ev_idle_start (EV_P_ struct ev_idle *w) |
808 | { |
1140 | { |
809 | if (ev_is_active (w)) |
1141 | if (ev_is_active (w)) |
810 | return; |
1142 | return; |
811 | |
1143 | |
812 | ev_start ((W)w, ++idlecnt); |
1144 | ev_start (EV_A_ (W)w, ++idlecnt); |
813 | array_needsize (idles, idlemax, idlecnt, ); |
1145 | array_needsize (idles, idlemax, idlecnt, ); |
814 | idles [idlecnt - 1] = w; |
1146 | idles [idlecnt - 1] = w; |
815 | } |
1147 | } |
816 | |
1148 | |
|
|
1149 | void |
817 | void evidle_stop (struct ev_idle *w) |
1150 | ev_idle_stop (EV_P_ struct ev_idle *w) |
818 | { |
1151 | { |
819 | ev_clear ((W)w); |
1152 | ev_clear_pending (EV_A_ (W)w); |
820 | if (ev_is_active (w)) |
1153 | if (ev_is_active (w)) |
821 | return; |
1154 | return; |
822 | |
1155 | |
823 | idles [w->active - 1] = idles [--idlecnt]; |
1156 | idles [w->active - 1] = idles [--idlecnt]; |
824 | ev_stop ((W)w); |
1157 | ev_stop (EV_A_ (W)w); |
825 | } |
1158 | } |
826 | |
1159 | |
827 | void evcheck_start (struct ev_check *w) |
1160 | void |
|
|
1161 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
828 | { |
1162 | { |
829 | if (ev_is_active (w)) |
1163 | if (ev_is_active (w)) |
830 | return; |
1164 | return; |
831 | |
1165 | |
|
|
1166 | ev_start (EV_A_ (W)w, ++preparecnt); |
|
|
1167 | array_needsize (prepares, preparemax, preparecnt, ); |
|
|
1168 | prepares [preparecnt - 1] = w; |
|
|
1169 | } |
|
|
1170 | |
|
|
1171 | void |
|
|
1172 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
|
|
1173 | { |
|
|
1174 | ev_clear_pending (EV_A_ (W)w); |
|
|
1175 | if (ev_is_active (w)) |
|
|
1176 | return; |
|
|
1177 | |
|
|
1178 | prepares [w->active - 1] = prepares [--preparecnt]; |
|
|
1179 | ev_stop (EV_A_ (W)w); |
|
|
1180 | } |
|
|
1181 | |
|
|
1182 | void |
|
|
1183 | ev_check_start (EV_P_ struct ev_check *w) |
|
|
1184 | { |
|
|
1185 | if (ev_is_active (w)) |
|
|
1186 | return; |
|
|
1187 | |
832 | ev_start ((W)w, ++checkcnt); |
1188 | ev_start (EV_A_ (W)w, ++checkcnt); |
833 | array_needsize (checks, checkmax, checkcnt, ); |
1189 | array_needsize (checks, checkmax, checkcnt, ); |
834 | checks [checkcnt - 1] = w; |
1190 | checks [checkcnt - 1] = w; |
835 | } |
1191 | } |
836 | |
1192 | |
|
|
1193 | void |
837 | void evcheck_stop (struct ev_check *w) |
1194 | ev_check_stop (EV_P_ struct ev_check *w) |
838 | { |
1195 | { |
839 | ev_clear ((W)w); |
1196 | ev_clear_pending (EV_A_ (W)w); |
840 | if (ev_is_active (w)) |
1197 | if (ev_is_active (w)) |
841 | return; |
1198 | return; |
842 | |
1199 | |
843 | checks [w->active - 1] = checks [--checkcnt]; |
1200 | checks [w->active - 1] = checks [--checkcnt]; |
844 | ev_stop ((W)w); |
1201 | ev_stop (EV_A_ (W)w); |
|
|
1202 | } |
|
|
1203 | |
|
|
1204 | void |
|
|
1205 | ev_child_start (EV_P_ struct ev_child *w) |
|
|
1206 | { |
|
|
1207 | if (ev_is_active (w)) |
|
|
1208 | return; |
|
|
1209 | |
|
|
1210 | ev_start (EV_A_ (W)w, 1); |
|
|
1211 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
|
|
1212 | } |
|
|
1213 | |
|
|
1214 | void |
|
|
1215 | ev_child_stop (EV_P_ struct ev_child *w) |
|
|
1216 | { |
|
|
1217 | ev_clear_pending (EV_A_ (W)w); |
|
|
1218 | if (ev_is_active (w)) |
|
|
1219 | return; |
|
|
1220 | |
|
|
1221 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
|
|
1222 | ev_stop (EV_A_ (W)w); |
845 | } |
1223 | } |
846 | |
1224 | |
847 | /*****************************************************************************/ |
1225 | /*****************************************************************************/ |
848 | |
1226 | |
849 | struct ev_once |
1227 | struct ev_once |
… | |
… | |
853 | void (*cb)(int revents, void *arg); |
1231 | void (*cb)(int revents, void *arg); |
854 | void *arg; |
1232 | void *arg; |
855 | }; |
1233 | }; |
856 | |
1234 | |
857 | static void |
1235 | static void |
858 | once_cb (struct ev_once *once, int revents) |
1236 | once_cb (EV_P_ struct ev_once *once, int revents) |
859 | { |
1237 | { |
860 | void (*cb)(int revents, void *arg) = once->cb; |
1238 | void (*cb)(int revents, void *arg) = once->cb; |
861 | void *arg = once->arg; |
1239 | void *arg = once->arg; |
862 | |
1240 | |
863 | evio_stop (&once->io); |
1241 | ev_io_stop (EV_A_ &once->io); |
864 | evtimer_stop (&once->to); |
1242 | ev_timer_stop (EV_A_ &once->to); |
865 | free (once); |
1243 | free (once); |
866 | |
1244 | |
867 | cb (revents, arg); |
1245 | cb (revents, arg); |
868 | } |
1246 | } |
869 | |
1247 | |
870 | static void |
1248 | static void |
871 | once_cb_io (struct ev_io *w, int revents) |
1249 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
872 | { |
1250 | { |
873 | once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1251 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
874 | } |
1252 | } |
875 | |
1253 | |
876 | static void |
1254 | static void |
877 | once_cb_to (struct ev_timer *w, int revents) |
1255 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
878 | { |
1256 | { |
879 | once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1257 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
880 | } |
1258 | } |
881 | |
1259 | |
882 | void |
1260 | void |
883 | ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1261 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
884 | { |
1262 | { |
885 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1263 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
886 | |
1264 | |
887 | if (!once) |
1265 | if (!once) |
888 | cb (EV_ERROR, arg); |
1266 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
889 | else |
1267 | else |
890 | { |
1268 | { |
891 | once->cb = cb; |
1269 | once->cb = cb; |
892 | once->arg = arg; |
1270 | once->arg = arg; |
893 | |
1271 | |
894 | evw_init (&once->io, once_cb_io); |
1272 | ev_watcher_init (&once->io, once_cb_io); |
895 | |
|
|
896 | if (fd >= 0) |
1273 | if (fd >= 0) |
897 | { |
1274 | { |
898 | evio_set (&once->io, fd, events); |
1275 | ev_io_set (&once->io, fd, events); |
899 | evio_start (&once->io); |
1276 | ev_io_start (EV_A_ &once->io); |
900 | } |
1277 | } |
901 | |
1278 | |
902 | evw_init (&once->to, once_cb_to); |
1279 | ev_watcher_init (&once->to, once_cb_to); |
903 | |
|
|
904 | if (timeout >= 0.) |
1280 | if (timeout >= 0.) |
905 | { |
1281 | { |
906 | evtimer_set (&once->to, timeout, 0.); |
1282 | ev_timer_set (&once->to, timeout, 0.); |
907 | evtimer_start (&once->to); |
1283 | ev_timer_start (EV_A_ &once->to); |
908 | } |
1284 | } |
909 | } |
1285 | } |
910 | } |
1286 | } |
911 | |
1287 | |
912 | /*****************************************************************************/ |
1288 | /*****************************************************************************/ |
… | |
… | |
923 | |
1299 | |
924 | static void |
1300 | static void |
925 | ocb (struct ev_timer *w, int revents) |
1301 | ocb (struct ev_timer *w, int revents) |
926 | { |
1302 | { |
927 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
1303 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
928 | evtimer_stop (w); |
1304 | ev_timer_stop (w); |
929 | evtimer_start (w); |
1305 | ev_timer_start (w); |
930 | } |
1306 | } |
931 | |
1307 | |
932 | static void |
1308 | static void |
933 | scb (struct ev_signal *w, int revents) |
1309 | scb (struct ev_signal *w, int revents) |
934 | { |
1310 | { |
935 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
1311 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
936 | evio_stop (&wio); |
1312 | ev_io_stop (&wio); |
937 | evio_start (&wio); |
1313 | ev_io_start (&wio); |
938 | } |
1314 | } |
939 | |
1315 | |
940 | static void |
1316 | static void |
941 | gcb (struct ev_signal *w, int revents) |
1317 | gcb (struct ev_signal *w, int revents) |
942 | { |
1318 | { |
… | |
… | |
946 | |
1322 | |
947 | int main (void) |
1323 | int main (void) |
948 | { |
1324 | { |
949 | ev_init (0); |
1325 | ev_init (0); |
950 | |
1326 | |
951 | evio_init (&wio, sin_cb, 0, EV_READ); |
1327 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
952 | evio_start (&wio); |
1328 | ev_io_start (&wio); |
953 | |
1329 | |
954 | struct ev_timer t[10000]; |
1330 | struct ev_timer t[10000]; |
955 | |
1331 | |
956 | #if 0 |
1332 | #if 0 |
957 | int i; |
1333 | int i; |
958 | for (i = 0; i < 10000; ++i) |
1334 | for (i = 0; i < 10000; ++i) |
959 | { |
1335 | { |
960 | struct ev_timer *w = t + i; |
1336 | struct ev_timer *w = t + i; |
961 | evw_init (w, ocb, i); |
1337 | ev_watcher_init (w, ocb, i); |
962 | evtimer_init_abs (w, ocb, drand48 (), 0.99775533); |
1338 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
963 | evtimer_start (w); |
1339 | ev_timer_start (w); |
964 | if (drand48 () < 0.5) |
1340 | if (drand48 () < 0.5) |
965 | evtimer_stop (w); |
1341 | ev_timer_stop (w); |
966 | } |
1342 | } |
967 | #endif |
1343 | #endif |
968 | |
1344 | |
969 | struct ev_timer t1; |
1345 | struct ev_timer t1; |
970 | evtimer_init (&t1, ocb, 5, 10); |
1346 | ev_timer_init (&t1, ocb, 5, 10); |
971 | evtimer_start (&t1); |
1347 | ev_timer_start (&t1); |
972 | |
1348 | |
973 | struct ev_signal sig; |
1349 | struct ev_signal sig; |
974 | evsignal_init (&sig, scb, SIGQUIT); |
1350 | ev_signal_init (&sig, scb, SIGQUIT); |
975 | evsignal_start (&sig); |
1351 | ev_signal_start (&sig); |
976 | |
1352 | |
977 | struct ev_check cw; |
1353 | struct ev_check cw; |
978 | evcheck_init (&cw, gcb); |
1354 | ev_check_init (&cw, gcb); |
979 | evcheck_start (&cw); |
1355 | ev_check_start (&cw); |
980 | |
1356 | |
981 | struct ev_idle iw; |
1357 | struct ev_idle iw; |
982 | evidle_init (&iw, gcb); |
1358 | ev_idle_init (&iw, gcb); |
983 | evidle_start (&iw); |
1359 | ev_idle_start (&iw); |
984 | |
1360 | |
985 | ev_loop (0); |
1361 | ev_loop (0); |
986 | |
1362 | |
987 | return 0; |
1363 | return 0; |
988 | } |
1364 | } |