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 | |
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53 | /**/ |
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54 | |
44 | #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 | |
45 | # ifdef CLOCK_MONOTONIC |
81 | #ifndef CLOCK_MONOTONIC |
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82 | # undef EV_USE_MONOTONIC |
46 | # define HAVE_MONOTONIC 1 |
83 | # define EV_USE_MONOTONIC 0 |
47 | # endif |
84 | #endif |
48 | #endif |
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49 | |
85 | |
50 | #ifndef HAVE_SELECT |
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51 | # define HAVE_SELECT 1 |
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52 | #endif |
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53 | |
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54 | #ifndef HAVE_EPOLL |
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55 | # define HAVE_EPOLL 0 |
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56 | #endif |
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57 | |
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58 | #ifndef HAVE_REALTIME |
86 | #ifndef CLOCK_REALTIME |
59 | # 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 |
60 | #endif |
89 | #endif |
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90 | |
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91 | /**/ |
61 | |
92 | |
62 | #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) */ |
63 | #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 */ |
64 | |
97 | |
65 | #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) |
66 | |
113 | |
67 | typedef struct ev_watcher *W; |
114 | typedef struct ev_watcher *W; |
68 | typedef struct ev_watcher_list *WL; |
115 | typedef struct ev_watcher_list *WL; |
69 | typedef struct ev_watcher_time *WT; |
116 | typedef struct ev_watcher_time *WT; |
70 | |
117 | |
71 | static ev_tstamp now, diff; /* monotonic clock */ |
118 | static ev_tstamp now_floor, mn_now, diff; /* monotonic clock */ |
72 | ev_tstamp ev_now; |
119 | static ev_tstamp rt_now; |
73 | int ev_method; |
120 | static int method; |
74 | |
121 | |
75 | static int have_monotonic; /* runtime */ |
122 | static int have_monotonic; /* runtime */ |
76 | |
123 | |
77 | static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ |
124 | static ev_tstamp method_fudge; /* stupid epoll-returns-early bug */ |
78 | static void (*method_modify)(int fd, int oev, int nev); |
125 | static void (*method_modify)(EV_P_ int fd, int oev, int nev); |
79 | 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 |
80 | |
156 | |
81 | /*****************************************************************************/ |
157 | /*****************************************************************************/ |
82 | |
158 | |
83 | ev_tstamp |
159 | inline ev_tstamp |
84 | ev_time (void) |
160 | ev_time (void) |
85 | { |
161 | { |
86 | #if HAVE_REALTIME |
162 | #if EV_USE_REALTIME |
87 | struct timespec ts; |
163 | struct timespec ts; |
88 | clock_gettime (CLOCK_REALTIME, &ts); |
164 | clock_gettime (CLOCK_REALTIME, &ts); |
89 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
165 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
90 | #else |
166 | #else |
91 | struct timeval tv; |
167 | struct timeval tv; |
92 | gettimeofday (&tv, 0); |
168 | gettimeofday (&tv, 0); |
93 | return tv.tv_sec + tv.tv_usec * 1e-6; |
169 | return tv.tv_sec + tv.tv_usec * 1e-6; |
94 | #endif |
170 | #endif |
95 | } |
171 | } |
96 | |
172 | |
97 | static ev_tstamp |
173 | inline ev_tstamp |
98 | get_clock (void) |
174 | get_clock (void) |
99 | { |
175 | { |
100 | #if HAVE_MONOTONIC |
176 | #if EV_USE_MONOTONIC |
101 | if (have_monotonic) |
177 | if (expect_true (have_monotonic)) |
102 | { |
178 | { |
103 | struct timespec ts; |
179 | struct timespec ts; |
104 | clock_gettime (CLOCK_MONOTONIC, &ts); |
180 | clock_gettime (CLOCK_MONOTONIC, &ts); |
105 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
181 | return ts.tv_sec + ts.tv_nsec * 1e-9; |
106 | } |
182 | } |
107 | #endif |
183 | #endif |
108 | |
184 | |
109 | return ev_time (); |
185 | return ev_time (); |
110 | } |
186 | } |
111 | |
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 | |
112 | #define array_needsize(base,cur,cnt,init) \ |
196 | #define array_needsize(base,cur,cnt,init) \ |
113 | if ((cnt) > cur) \ |
197 | if (expect_false ((cnt) > cur)) \ |
114 | { \ |
198 | { \ |
115 | 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 | \ |
116 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
206 | base = realloc (base, sizeof (*base) * (newcnt)); \ |
117 | init (base + cur, newcnt - cur); \ |
207 | init (base + cur, newcnt - cur); \ |
118 | cur = newcnt; \ |
208 | cur = newcnt; \ |
119 | } |
209 | } |
120 | |
210 | |
121 | /*****************************************************************************/ |
211 | /*****************************************************************************/ |
122 | |
212 | |
123 | typedef struct |
213 | typedef struct |
124 | { |
214 | { |
125 | struct ev_io *head; |
215 | struct ev_watcher_list *head; |
126 | unsigned char wev, rev; /* want, received event set */ |
216 | unsigned char events; |
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217 | unsigned char reify; |
127 | } ANFD; |
218 | } ANFD; |
128 | |
219 | |
129 | static ANFD *anfds; |
220 | static ANFD *anfds; |
130 | static int anfdmax; |
221 | static int anfdmax; |
131 | |
222 | |
132 | static int *fdchanges; |
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133 | static int fdchangemax, fdchangecnt; |
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134 | |
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135 | static void |
223 | static void |
136 | anfds_init (ANFD *base, int count) |
224 | anfds_init (ANFD *base, int count) |
137 | { |
225 | { |
138 | while (count--) |
226 | while (count--) |
139 | { |
227 | { |
140 | base->head = 0; |
228 | base->head = 0; |
141 | base->wev = base->rev = EV_NONE; |
229 | base->events = EV_NONE; |
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230 | base->reify = 0; |
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231 | |
142 | ++base; |
232 | ++base; |
143 | } |
233 | } |
144 | } |
234 | } |
145 | |
235 | |
146 | typedef struct |
236 | typedef struct |
147 | { |
237 | { |
148 | W w; |
238 | W w; |
149 | int events; |
239 | int events; |
150 | } ANPENDING; |
240 | } ANPENDING; |
151 | |
241 | |
152 | static ANPENDING *pendings; |
242 | static ANPENDING *pendings [NUMPRI]; |
153 | static int pendingmax, pendingcnt; |
243 | static int pendingmax [NUMPRI], pendingcnt [NUMPRI]; |
154 | |
244 | |
155 | static void |
245 | static void |
156 | event (W w, int events) |
246 | event (EV_P_ W w, int events) |
157 | { |
247 | { |
158 | if (w->active) |
248 | if (w->pending) |
159 | { |
249 | { |
160 | w->pending = ++pendingcnt; |
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161 | array_needsize (pendings, pendingmax, pendingcnt, ); |
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162 | pendings [pendingcnt - 1].w = w; |
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163 | pendings [pendingcnt - 1].events = events; |
250 | pendings [ABSPRI (w)][w->pending - 1].events |= events; |
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251 | return; |
164 | } |
252 | } |
165 | } |
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166 | |
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 | |
167 | 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 |
168 | fd_event (int fd, int events) |
270 | fd_event (EV_P_ int fd, int events) |
169 | { |
271 | { |
170 | ANFD *anfd = anfds + fd; |
272 | ANFD *anfd = anfds + fd; |
171 | struct ev_io *w; |
273 | struct ev_io *w; |
172 | |
274 | |
173 | for (w = anfd->head; w; w = w->next) |
275 | for (w = (struct ev_io *)anfd->head; w; w = (struct ev_io *)((WL)w)->next) |
174 | { |
276 | { |
175 | int ev = w->events & events; |
277 | int ev = w->events & events; |
176 | |
278 | |
177 | if (ev) |
279 | if (ev) |
178 | event ((W)w, ev); |
280 | event (EV_A_ (W)w, ev); |
179 | } |
281 | } |
180 | } |
282 | } |
181 | |
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 | |
182 | static void |
289 | static void |
183 | queue_events (W *events, int eventcnt, int type) |
290 | fd_reify (EV_P) |
184 | { |
291 | { |
185 | int i; |
292 | int i; |
186 | |
293 | |
187 | for (i = 0; i < eventcnt; ++i) |
294 | for (i = 0; i < fdchangecnt; ++i) |
188 | 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 | } |
189 | } |
340 | } |
190 | |
341 | |
191 | /* called on EBADF to verify fds */ |
342 | /* called on EBADF to verify fds */ |
192 | static void |
343 | static void |
193 | fd_recheck () |
344 | fd_ebadf (EV_P) |
194 | { |
345 | { |
195 | int fd; |
346 | int fd; |
196 | |
347 | |
197 | for (fd = 0; fd < anfdmax; ++fd) |
348 | for (fd = 0; fd < anfdmax; ++fd) |
198 | if (anfds [fd].wev) |
349 | if (anfds [fd].events) |
199 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
350 | if (fcntl (fd, F_GETFD) == -1 && errno == EBADF) |
200 | while (anfds [fd].head) |
351 | fd_kill (EV_A_ fd); |
201 | evio_stop (anfds [fd].head); |
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 | } |
202 | } |
367 | } |
203 | |
368 | |
204 | /*****************************************************************************/ |
369 | /*****************************************************************************/ |
205 | |
370 | |
206 | static struct ev_timer **timers; |
371 | static struct ev_timer **timers; |
… | |
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252 | |
417 | |
253 | /*****************************************************************************/ |
418 | /*****************************************************************************/ |
254 | |
419 | |
255 | typedef struct |
420 | typedef struct |
256 | { |
421 | { |
257 | struct ev_signal *head; |
422 | struct ev_watcher_list *head; |
258 | sig_atomic_t gotsig; |
423 | sig_atomic_t volatile gotsig; |
259 | } ANSIG; |
424 | } ANSIG; |
260 | |
425 | |
261 | static ANSIG *signals; |
426 | static ANSIG *signals; |
262 | static int signalmax; |
427 | static int signalmax; |
263 | |
428 | |
264 | static int sigpipe [2]; |
429 | static int sigpipe [2]; |
265 | static sig_atomic_t gotsig; |
430 | static sig_atomic_t volatile gotsig; |
266 | static struct ev_io sigev; |
431 | static struct ev_io sigev; |
267 | |
432 | |
268 | static void |
433 | static void |
269 | signals_init (ANSIG *base, int count) |
434 | signals_init (ANSIG *base, int count) |
270 | { |
435 | { |
271 | while (count--) |
436 | while (count--) |
272 | { |
437 | { |
273 | base->head = 0; |
438 | base->head = 0; |
274 | base->gotsig = 0; |
439 | base->gotsig = 0; |
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440 | |
275 | ++base; |
441 | ++base; |
276 | } |
442 | } |
277 | } |
443 | } |
278 | |
444 | |
279 | static void |
445 | static void |
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… | |
281 | { |
447 | { |
282 | signals [signum - 1].gotsig = 1; |
448 | signals [signum - 1].gotsig = 1; |
283 | |
449 | |
284 | if (!gotsig) |
450 | if (!gotsig) |
285 | { |
451 | { |
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452 | int old_errno = errno; |
286 | gotsig = 1; |
453 | gotsig = 1; |
287 | write (sigpipe [1], &gotsig, 1); |
454 | write (sigpipe [1], &signum, 1); |
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455 | errno = old_errno; |
288 | } |
456 | } |
289 | } |
457 | } |
290 | |
458 | |
291 | static void |
459 | static void |
292 | sigcb (struct ev_io *iow, int revents) |
460 | sigcb (EV_P_ struct ev_io *iow, int revents) |
293 | { |
461 | { |
294 | struct ev_signal *w; |
462 | struct ev_watcher_list *w; |
295 | int sig; |
463 | int signum; |
296 | |
464 | |
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465 | read (sigpipe [0], &revents, 1); |
297 | gotsig = 0; |
466 | gotsig = 0; |
298 | read (sigpipe [0], &revents, 1); |
|
|
299 | |
467 | |
300 | for (sig = signalmax; sig--; ) |
468 | for (signum = signalmax; signum--; ) |
301 | if (signals [sig].gotsig) |
469 | if (signals [signum].gotsig) |
302 | { |
470 | { |
303 | signals [sig].gotsig = 0; |
471 | signals [signum].gotsig = 0; |
304 | |
472 | |
305 | for (w = signals [sig].head; w; w = w->next) |
473 | for (w = signals [signum].head; w; w = w->next) |
306 | event ((W)w, EV_SIGNAL); |
474 | event (EV_A_ (W)w, EV_SIGNAL); |
307 | } |
475 | } |
308 | } |
476 | } |
309 | |
477 | |
310 | static void |
478 | static void |
311 | siginit (void) |
479 | siginit (EV_P) |
312 | { |
480 | { |
|
|
481 | #ifndef WIN32 |
313 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
482 | fcntl (sigpipe [0], F_SETFD, FD_CLOEXEC); |
314 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
483 | fcntl (sigpipe [1], F_SETFD, FD_CLOEXEC); |
315 | |
484 | |
316 | /* rather than sort out wether we really need nb, set it */ |
485 | /* rather than sort out wether we really need nb, set it */ |
317 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
486 | fcntl (sigpipe [0], F_SETFL, O_NONBLOCK); |
318 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
487 | fcntl (sigpipe [1], F_SETFL, O_NONBLOCK); |
|
|
488 | #endif |
319 | |
489 | |
320 | evio_set (&sigev, sigpipe [0], EV_READ); |
490 | ev_io_set (&sigev, sigpipe [0], EV_READ); |
321 | evio_start (&sigev); |
491 | ev_io_start (&sigev); |
|
|
492 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
322 | } |
493 | } |
323 | |
494 | |
324 | /*****************************************************************************/ |
495 | /*****************************************************************************/ |
325 | |
496 | |
326 | static struct ev_idle **idles; |
497 | static struct ev_idle **idles; |
… | |
… | |
332 | static struct ev_check **checks; |
503 | static struct ev_check **checks; |
333 | static int checkmax, checkcnt; |
504 | static int checkmax, checkcnt; |
334 | |
505 | |
335 | /*****************************************************************************/ |
506 | /*****************************************************************************/ |
336 | |
507 | |
|
|
508 | static struct ev_child *childs [PID_HASHSIZE]; |
|
|
509 | static struct ev_signal childev; |
|
|
510 | |
|
|
511 | #ifndef WIN32 |
|
|
512 | |
|
|
513 | #ifndef WCONTINUED |
|
|
514 | # define WCONTINUED 0 |
|
|
515 | #endif |
|
|
516 | |
|
|
517 | static void |
|
|
518 | child_reap (EV_P_ struct ev_signal *sw, int chain, int pid, int status) |
|
|
519 | { |
|
|
520 | struct ev_child *w; |
|
|
521 | |
|
|
522 | for (w = (struct ev_child *)childs [chain & (PID_HASHSIZE - 1)]; w; w = (struct ev_child *)((WL)w)->next) |
|
|
523 | if (w->pid == pid || !w->pid) |
|
|
524 | { |
|
|
525 | w->priority = sw->priority; /* need to do it *now* */ |
|
|
526 | w->rpid = pid; |
|
|
527 | w->rstatus = status; |
|
|
528 | event (EV_A_ (W)w, EV_CHILD); |
|
|
529 | } |
|
|
530 | } |
|
|
531 | |
|
|
532 | static void |
|
|
533 | childcb (EV_P_ struct ev_signal *sw, int revents) |
|
|
534 | { |
|
|
535 | int pid, status; |
|
|
536 | |
|
|
537 | if (0 < (pid = waitpid (-1, &status, WNOHANG | WUNTRACED | WCONTINUED))) |
|
|
538 | { |
|
|
539 | /* make sure we are called again until all childs have been reaped */ |
|
|
540 | event (EV_A_ (W)sw, EV_SIGNAL); |
|
|
541 | |
|
|
542 | child_reap (EV_A_ sw, pid, pid, status); |
|
|
543 | child_reap (EV_A_ sw, 0, pid, status); /* this might trigger a watcher twice, but event catches that */ |
|
|
544 | } |
|
|
545 | } |
|
|
546 | |
|
|
547 | #endif |
|
|
548 | |
|
|
549 | /*****************************************************************************/ |
|
|
550 | |
|
|
551 | #if EV_USE_KQUEUE |
|
|
552 | # include "ev_kqueue.c" |
|
|
553 | #endif |
337 | #if HAVE_EPOLL |
554 | #if EV_USE_EPOLL |
338 | # include "ev_epoll.c" |
555 | # include "ev_epoll.c" |
339 | #endif |
556 | #endif |
|
|
557 | #if EV_USEV_POLL |
|
|
558 | # include "ev_poll.c" |
|
|
559 | #endif |
340 | #if HAVE_SELECT |
560 | #if EV_USE_SELECT |
341 | # include "ev_select.c" |
561 | # include "ev_select.c" |
342 | #endif |
562 | #endif |
343 | |
563 | |
344 | int ev_init (int flags) |
564 | int |
|
|
565 | ev_version_major (void) |
345 | { |
566 | { |
|
|
567 | return EV_VERSION_MAJOR; |
|
|
568 | } |
|
|
569 | |
|
|
570 | int |
|
|
571 | ev_version_minor (void) |
|
|
572 | { |
|
|
573 | return EV_VERSION_MINOR; |
|
|
574 | } |
|
|
575 | |
|
|
576 | /* return true if we are running with elevated privileges and should ignore env variables */ |
|
|
577 | static int |
|
|
578 | enable_secure (void) |
|
|
579 | { |
|
|
580 | #ifdef WIN32 |
|
|
581 | return 0; |
|
|
582 | #else |
|
|
583 | return getuid () != geteuid () |
|
|
584 | || getgid () != getegid (); |
|
|
585 | #endif |
|
|
586 | } |
|
|
587 | |
|
|
588 | int |
|
|
589 | ev_method (EV_P) |
|
|
590 | { |
|
|
591 | return method; |
|
|
592 | } |
|
|
593 | |
|
|
594 | int |
|
|
595 | ev_init (EV_P_ int methods) |
|
|
596 | { |
|
|
597 | if (!method) |
|
|
598 | { |
346 | #if HAVE_MONOTONIC |
599 | #if EV_USE_MONOTONIC |
347 | { |
600 | { |
348 | struct timespec ts; |
601 | struct timespec ts; |
349 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
602 | if (!clock_gettime (CLOCK_MONOTONIC, &ts)) |
350 | have_monotonic = 1; |
603 | have_monotonic = 1; |
351 | } |
604 | } |
352 | #endif |
605 | #endif |
353 | |
606 | |
354 | ev_now = ev_time (); |
607 | rt_now = ev_time (); |
355 | now = get_clock (); |
608 | mn_now = get_clock (); |
|
|
609 | now_floor = mn_now; |
356 | diff = ev_now - now; |
610 | diff = rt_now - mn_now; |
357 | |
611 | |
358 | if (pipe (sigpipe)) |
612 | if (pipe (sigpipe)) |
359 | return 0; |
613 | return 0; |
360 | |
614 | |
361 | ev_method = EVMETHOD_NONE; |
615 | if (methods == EVMETHOD_AUTO) |
|
|
616 | if (!enable_secure () && getenv ("LIBmethodS")) |
|
|
617 | methods = atoi (getenv ("LIBmethodS")); |
|
|
618 | else |
|
|
619 | methods = EVMETHOD_ANY; |
|
|
620 | |
|
|
621 | method = 0; |
|
|
622 | #if EV_USE_KQUEUE |
|
|
623 | if (!method && (methods & EVMETHOD_KQUEUE)) method = kqueue_init (EV_A_ methods); |
|
|
624 | #endif |
362 | #if HAVE_EPOLL |
625 | #if EV_USE_EPOLL |
363 | if (ev_method == EVMETHOD_NONE) epoll_init (flags); |
626 | if (!method && (methods & EVMETHOD_EPOLL )) method = epoll_init (EV_A_ methods); |
364 | #endif |
627 | #endif |
|
|
628 | #if EV_USEV_POLL |
|
|
629 | if (!method && (methods & EVMETHOD_POLL )) method = poll_init (EV_A_ methods); |
|
|
630 | #endif |
365 | #if HAVE_SELECT |
631 | #if EV_USE_SELECT |
366 | if (ev_method == EVMETHOD_NONE) select_init (flags); |
632 | if (!method && (methods & EVMETHOD_SELECT)) method = select_init (EV_A_ methods); |
367 | #endif |
633 | #endif |
368 | |
634 | |
369 | if (ev_method) |
635 | if (method) |
370 | { |
636 | { |
371 | evw_init (&sigev, sigcb); |
637 | ev_watcher_init (&sigev, sigcb); |
|
|
638 | ev_set_priority (&sigev, EV_MAXPRI); |
372 | siginit (); |
639 | siginit (EV_A); |
373 | } |
|
|
374 | |
640 | |
|
|
641 | #ifndef WIN32 |
|
|
642 | ev_signal_init (&childev, childcb, SIGCHLD); |
|
|
643 | ev_set_priority (&childev, EV_MAXPRI); |
|
|
644 | ev_signal_start (EV_A_ &childev); |
|
|
645 | ev_unref (EV_A); /* child watcher should not keep loop alive */ |
|
|
646 | #endif |
|
|
647 | } |
|
|
648 | } |
|
|
649 | |
375 | return ev_method; |
650 | return method; |
376 | } |
651 | } |
377 | |
652 | |
378 | /*****************************************************************************/ |
653 | /*****************************************************************************/ |
379 | |
654 | |
380 | void ev_prefork (void) |
655 | void |
|
|
656 | ev_fork_prepare (void) |
381 | { |
657 | { |
382 | /* nop */ |
658 | /* nop */ |
383 | } |
659 | } |
384 | |
660 | |
|
|
661 | void |
385 | void ev_postfork_parent (void) |
662 | ev_fork_parent (void) |
386 | { |
663 | { |
387 | /* nop */ |
664 | /* nop */ |
388 | } |
665 | } |
389 | |
666 | |
|
|
667 | void |
390 | void ev_postfork_child (void) |
668 | ev_fork_child (void) |
391 | { |
669 | { |
392 | #if HAVE_EPOLL |
670 | #if EV_USE_EPOLL |
393 | if (ev_method == EVMETHOD_EPOLL) |
671 | if (method == EVMETHOD_EPOLL) |
394 | epoll_postfork_child (); |
672 | epoll_postfork_child (); |
395 | #endif |
673 | #endif |
396 | |
674 | |
397 | evio_stop (&sigev); |
675 | ev_io_stop (&sigev); |
398 | close (sigpipe [0]); |
676 | close (sigpipe [0]); |
399 | close (sigpipe [1]); |
677 | close (sigpipe [1]); |
400 | pipe (sigpipe); |
678 | pipe (sigpipe); |
401 | siginit (); |
679 | siginit (); |
402 | } |
680 | } |
403 | |
681 | |
404 | /*****************************************************************************/ |
682 | /*****************************************************************************/ |
405 | |
683 | |
406 | static void |
684 | static void |
407 | fd_reify (void) |
685 | call_pending (EV_P) |
408 | { |
686 | { |
409 | int i; |
687 | int pri; |
410 | |
688 | |
411 | for (i = 0; i < fdchangecnt; ++i) |
689 | for (pri = NUMPRI; pri--; ) |
412 | { |
690 | while (pendingcnt [pri]) |
413 | int fd = fdchanges [i]; |
|
|
414 | ANFD *anfd = anfds + fd; |
|
|
415 | struct ev_io *w; |
|
|
416 | |
|
|
417 | int wev = 0; |
|
|
418 | |
|
|
419 | for (w = anfd->head; w; w = w->next) |
|
|
420 | wev |= w->events; |
|
|
421 | |
|
|
422 | if (anfd->wev != wev) |
|
|
423 | { |
691 | { |
424 | method_modify (fd, anfd->wev, wev); |
|
|
425 | anfd->wev = wev; |
|
|
426 | } |
|
|
427 | } |
|
|
428 | |
|
|
429 | fdchangecnt = 0; |
|
|
430 | } |
|
|
431 | |
|
|
432 | static void |
|
|
433 | call_pending () |
|
|
434 | { |
|
|
435 | while (pendingcnt) |
|
|
436 | { |
|
|
437 | ANPENDING *p = pendings + --pendingcnt; |
692 | ANPENDING *p = pendings [pri] + --pendingcnt [pri]; |
438 | |
693 | |
439 | if (p->w) |
694 | if (p->w) |
440 | { |
695 | { |
441 | p->w->pending = 0; |
696 | p->w->pending = 0; |
442 | p->w->cb (p->w, p->events); |
697 | p->w->cb (EV_A_ p->w, p->events); |
443 | } |
698 | } |
444 | } |
699 | } |
445 | } |
700 | } |
446 | |
701 | |
447 | static void |
702 | static void |
448 | timers_reify () |
703 | timers_reify (EV_P) |
449 | { |
704 | { |
450 | while (timercnt && timers [0]->at <= now) |
705 | while (timercnt && timers [0]->at <= mn_now) |
451 | { |
706 | { |
452 | struct ev_timer *w = timers [0]; |
707 | struct ev_timer *w = timers [0]; |
453 | |
|
|
454 | event ((W)w, EV_TIMEOUT); |
|
|
455 | |
708 | |
456 | /* first reschedule or stop timer */ |
709 | /* first reschedule or stop timer */ |
457 | if (w->repeat) |
710 | if (w->repeat) |
458 | { |
711 | { |
|
|
712 | assert (("negative ev_timer repeat value found while processing timers", w->repeat > 0.)); |
459 | w->at = now + w->repeat; |
713 | w->at = mn_now + w->repeat; |
460 | assert (("timer timeout in the past, negative repeat?", w->at > now)); |
|
|
461 | downheap ((WT *)timers, timercnt, 0); |
714 | downheap ((WT *)timers, timercnt, 0); |
462 | } |
715 | } |
463 | else |
716 | else |
464 | evtimer_stop (w); /* nonrepeating: stop timer */ |
717 | ev_timer_stop (EV_A_ w); /* nonrepeating: stop timer */ |
465 | } |
|
|
466 | } |
|
|
467 | |
718 | |
|
|
719 | event ((W)w, EV_TIMEOUT); |
|
|
720 | } |
|
|
721 | } |
|
|
722 | |
468 | static void |
723 | static void |
469 | periodics_reify () |
724 | periodics_reify (EV_P) |
470 | { |
725 | { |
471 | while (periodiccnt && periodics [0]->at <= ev_now) |
726 | while (periodiccnt && periodics [0]->at <= rt_now) |
472 | { |
727 | { |
473 | struct ev_periodic *w = periodics [0]; |
728 | struct ev_periodic *w = periodics [0]; |
474 | |
729 | |
475 | /* first reschedule or stop timer */ |
730 | /* first reschedule or stop timer */ |
476 | if (w->interval) |
731 | if (w->interval) |
477 | { |
732 | { |
478 | w->at += floor ((ev_now - w->at) / w->interval + 1.) * w->interval; |
733 | w->at += floor ((rt_now - w->at) / w->interval + 1.) * w->interval; |
479 | assert (("periodic timeout in the past, negative interval?", w->at > ev_now)); |
734 | assert (("ev_periodic timeout in the past detected while processing timers, negative interval?", w->at > rt_now)); |
480 | downheap ((WT *)periodics, periodiccnt, 0); |
735 | downheap ((WT *)periodics, periodiccnt, 0); |
481 | } |
736 | } |
482 | else |
737 | else |
483 | evperiodic_stop (w); /* nonrepeating: stop timer */ |
738 | ev_periodic_stop (EV_A_ w); /* nonrepeating: stop timer */ |
484 | |
739 | |
485 | event ((W)w, EV_TIMEOUT); |
740 | event (EV_A_ (W)w, EV_PERIODIC); |
486 | } |
741 | } |
487 | } |
742 | } |
488 | |
743 | |
489 | static void |
744 | static void |
490 | periodics_reschedule (ev_tstamp diff) |
745 | periodics_reschedule (EV_P_ ev_tstamp diff) |
491 | { |
746 | { |
492 | int i; |
747 | int i; |
493 | |
748 | |
494 | /* adjust periodics after time jump */ |
749 | /* adjust periodics after time jump */ |
495 | for (i = 0; i < periodiccnt; ++i) |
750 | for (i = 0; i < periodiccnt; ++i) |
496 | { |
751 | { |
497 | struct ev_periodic *w = periodics [i]; |
752 | struct ev_periodic *w = periodics [i]; |
498 | |
753 | |
499 | if (w->interval) |
754 | if (w->interval) |
500 | { |
755 | { |
501 | ev_tstamp diff = ceil ((ev_now - w->at) / w->interval) * w->interval; |
756 | ev_tstamp diff = ceil ((rt_now - w->at) / w->interval) * w->interval; |
502 | |
757 | |
503 | if (fabs (diff) >= 1e-4) |
758 | if (fabs (diff) >= 1e-4) |
504 | { |
759 | { |
505 | evperiodic_stop (w); |
760 | ev_periodic_stop (EV_A_ w); |
506 | evperiodic_start (w); |
761 | ev_periodic_start (EV_A_ w); |
507 | |
762 | |
508 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
763 | i = 0; /* restart loop, inefficient, but time jumps should be rare */ |
509 | } |
764 | } |
510 | } |
765 | } |
511 | } |
766 | } |
512 | } |
767 | } |
513 | |
768 | |
|
|
769 | inline int |
|
|
770 | time_update_monotonic (EV_P) |
|
|
771 | { |
|
|
772 | mn_now = get_clock (); |
|
|
773 | |
|
|
774 | if (expect_true (mn_now - now_floor < MIN_TIMEJUMP * .5)) |
|
|
775 | { |
|
|
776 | rt_now = mn_now + diff; |
|
|
777 | return 0; |
|
|
778 | } |
|
|
779 | else |
|
|
780 | { |
|
|
781 | now_floor = mn_now; |
|
|
782 | rt_now = ev_time (); |
|
|
783 | return 1; |
|
|
784 | } |
|
|
785 | } |
|
|
786 | |
514 | static void |
787 | static void |
515 | time_update () |
788 | time_update (EV_P) |
516 | { |
789 | { |
517 | int i; |
790 | int i; |
518 | |
791 | |
519 | ev_now = ev_time (); |
792 | #if EV_USE_MONOTONIC |
520 | |
|
|
521 | if (have_monotonic) |
793 | if (expect_true (have_monotonic)) |
522 | { |
794 | { |
523 | ev_tstamp odiff = diff; |
795 | if (time_update_monotonic (EV_A)) |
524 | |
|
|
525 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
526 | { |
796 | { |
527 | now = get_clock (); |
797 | ev_tstamp odiff = diff; |
|
|
798 | |
|
|
799 | for (i = 4; --i; ) /* loop a few times, before making important decisions */ |
|
|
800 | { |
528 | diff = ev_now - now; |
801 | diff = rt_now - mn_now; |
529 | |
802 | |
530 | if (fabs (odiff - diff) < MIN_TIMEJUMP) |
803 | if (fabs (odiff - diff) < MIN_TIMEJUMP) |
531 | return; /* all is well */ |
804 | return; /* all is well */ |
532 | |
805 | |
533 | ev_now = ev_time (); |
806 | rt_now = ev_time (); |
|
|
807 | mn_now = get_clock (); |
|
|
808 | now_floor = mn_now; |
|
|
809 | } |
|
|
810 | |
|
|
811 | periodics_reschedule (EV_A_ diff - odiff); |
|
|
812 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
534 | } |
813 | } |
535 | |
|
|
536 | periodics_reschedule (diff - odiff); |
|
|
537 | /* no timer adjustment, as the monotonic clock doesn't jump */ |
|
|
538 | } |
814 | } |
539 | else |
815 | else |
|
|
816 | #endif |
540 | { |
817 | { |
541 | if (now > ev_now || now < ev_now - MAX_BLOCKTIME - MIN_TIMEJUMP) |
818 | rt_now = ev_time (); |
|
|
819 | |
|
|
820 | if (expect_false (mn_now > rt_now || mn_now < rt_now - MAX_BLOCKTIME - MIN_TIMEJUMP)) |
542 | { |
821 | { |
543 | periodics_reschedule (ev_now - now); |
822 | periodics_reschedule (EV_A_ rt_now - mn_now); |
544 | |
823 | |
545 | /* adjust timers. this is easy, as the offset is the same for all */ |
824 | /* adjust timers. this is easy, as the offset is the same for all */ |
546 | for (i = 0; i < timercnt; ++i) |
825 | for (i = 0; i < timercnt; ++i) |
547 | timers [i]->at += diff; |
826 | timers [i]->at += diff; |
548 | } |
827 | } |
549 | |
828 | |
550 | now = ev_now; |
829 | mn_now = rt_now; |
551 | } |
830 | } |
552 | } |
831 | } |
553 | |
832 | |
554 | int ev_loop_done; |
833 | void |
|
|
834 | ev_ref (EV_P) |
|
|
835 | { |
|
|
836 | ++activecnt; |
|
|
837 | } |
555 | |
838 | |
|
|
839 | void |
|
|
840 | ev_unref (EV_P) |
|
|
841 | { |
|
|
842 | --activecnt; |
|
|
843 | } |
|
|
844 | |
|
|
845 | static int loop_done; |
|
|
846 | |
|
|
847 | void |
556 | void ev_loop (int flags) |
848 | ev_loop (EV_P_ int flags) |
557 | { |
849 | { |
558 | double block; |
850 | double block; |
559 | ev_loop_done = flags & EVLOOP_ONESHOT ? 1 : 0; |
851 | loop_done = flags & (EVLOOP_ONESHOT | EVLOOP_NONBLOCK) ? 1 : 0; |
560 | |
852 | |
561 | do |
853 | do |
562 | { |
854 | { |
563 | /* queue check watchers (and execute them) */ |
855 | /* queue check watchers (and execute them) */ |
564 | if (checkcnt) |
856 | if (expect_false (preparecnt)) |
565 | { |
857 | { |
566 | queue_events ((W *)prepares, preparecnt, EV_PREPARE); |
858 | queue_events (EV_A_ (W *)prepares, preparecnt, EV_PREPARE); |
567 | call_pending (); |
859 | call_pending (EV_A); |
568 | } |
860 | } |
569 | |
861 | |
570 | /* update fd-related kernel structures */ |
862 | /* update fd-related kernel structures */ |
571 | fd_reify (); |
863 | fd_reify (EV_A); |
572 | |
864 | |
573 | /* calculate blocking time */ |
865 | /* calculate blocking time */ |
574 | |
866 | |
575 | /* we only need this for !monotonic clock, but as we always have timers, we just calculate it every time */ |
867 | /* we only need this for !monotonic clockor timers, but as we basically |
|
|
868 | always have timers, we just calculate it always */ |
|
|
869 | #if EV_USE_MONOTONIC |
|
|
870 | if (expect_true (have_monotonic)) |
|
|
871 | time_update_monotonic (EV_A); |
|
|
872 | else |
|
|
873 | #endif |
|
|
874 | { |
576 | ev_now = ev_time (); |
875 | rt_now = ev_time (); |
|
|
876 | mn_now = rt_now; |
|
|
877 | } |
577 | |
878 | |
578 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
879 | if (flags & EVLOOP_NONBLOCK || idlecnt) |
579 | block = 0.; |
880 | block = 0.; |
580 | else |
881 | else |
581 | { |
882 | { |
582 | block = MAX_BLOCKTIME; |
883 | block = MAX_BLOCKTIME; |
583 | |
884 | |
584 | if (timercnt) |
885 | if (timercnt) |
585 | { |
886 | { |
586 | ev_tstamp to = timers [0]->at - (have_monotonic ? get_clock () : ev_now) + method_fudge; |
887 | ev_tstamp to = timers [0]->at - mn_now + method_fudge; |
587 | if (block > to) block = to; |
888 | if (block > to) block = to; |
588 | } |
889 | } |
589 | |
890 | |
590 | if (periodiccnt) |
891 | if (periodiccnt) |
591 | { |
892 | { |
592 | ev_tstamp to = periodics [0]->at - ev_now + method_fudge; |
893 | ev_tstamp to = periodics [0]->at - rt_now + method_fudge; |
593 | if (block > to) block = to; |
894 | if (block > to) block = to; |
594 | } |
895 | } |
595 | |
896 | |
596 | if (block < 0.) block = 0.; |
897 | if (block < 0.) block = 0.; |
597 | } |
898 | } |
598 | |
899 | |
599 | method_poll (block); |
900 | method_poll (EV_A_ block); |
600 | |
901 | |
601 | /* update ev_now, do magic */ |
902 | /* update rt_now, do magic */ |
602 | time_update (); |
903 | time_update (EV_A); |
603 | |
904 | |
604 | /* queue pending timers and reschedule them */ |
905 | /* queue pending timers and reschedule them */ |
605 | timers_reify (); /* relative timers called last */ |
906 | timers_reify (EV_A); /* relative timers called last */ |
606 | periodics_reify (); /* absolute timers called first */ |
907 | periodics_reify (EV_A); /* absolute timers called first */ |
607 | |
908 | |
608 | /* queue idle watchers unless io or timers are pending */ |
909 | /* queue idle watchers unless io or timers are pending */ |
609 | if (!pendingcnt) |
910 | if (!pendingcnt) |
610 | queue_events ((W *)idles, idlecnt, EV_IDLE); |
911 | queue_events (EV_A_ (W *)idles, idlecnt, EV_IDLE); |
611 | |
912 | |
612 | /* queue check watchers, to be executed first */ |
913 | /* queue check watchers, to be executed first */ |
613 | if (checkcnt) |
914 | if (checkcnt) |
614 | queue_events ((W *)checks, checkcnt, EV_CHECK); |
915 | queue_events (EV_A_ (W *)checks, checkcnt, EV_CHECK); |
615 | |
916 | |
616 | call_pending (); |
917 | call_pending (EV_A); |
617 | } |
918 | } |
618 | while (!ev_loop_done); |
919 | while (activecnt && !loop_done); |
619 | |
920 | |
620 | if (ev_loop_done != 2) |
921 | if (loop_done != 2) |
621 | ev_loop_done = 0; |
922 | loop_done = 0; |
|
|
923 | } |
|
|
924 | |
|
|
925 | void |
|
|
926 | ev_unloop (EV_P_ int how) |
|
|
927 | { |
|
|
928 | loop_done = how; |
622 | } |
929 | } |
623 | |
930 | |
624 | /*****************************************************************************/ |
931 | /*****************************************************************************/ |
625 | |
932 | |
626 | static void |
933 | inline void |
627 | wlist_add (WL *head, WL elem) |
934 | wlist_add (WL *head, WL elem) |
628 | { |
935 | { |
629 | elem->next = *head; |
936 | elem->next = *head; |
630 | *head = elem; |
937 | *head = elem; |
631 | } |
938 | } |
632 | |
939 | |
633 | static void |
940 | inline void |
634 | wlist_del (WL *head, WL elem) |
941 | wlist_del (WL *head, WL elem) |
635 | { |
942 | { |
636 | while (*head) |
943 | while (*head) |
637 | { |
944 | { |
638 | if (*head == elem) |
945 | if (*head == elem) |
… | |
… | |
643 | |
950 | |
644 | head = &(*head)->next; |
951 | head = &(*head)->next; |
645 | } |
952 | } |
646 | } |
953 | } |
647 | |
954 | |
648 | static void |
955 | inline void |
649 | ev_clear (W w) |
956 | ev_clear_pending (EV_P_ W w) |
650 | { |
957 | { |
651 | if (w->pending) |
958 | if (w->pending) |
652 | { |
959 | { |
653 | pendings [w->pending - 1].w = 0; |
960 | pendings [ABSPRI (w)][w->pending - 1].w = 0; |
654 | w->pending = 0; |
961 | w->pending = 0; |
655 | } |
962 | } |
656 | } |
963 | } |
657 | |
964 | |
658 | static void |
965 | inline void |
659 | ev_start (W w, int active) |
966 | ev_start (EV_P_ W w, int active) |
660 | { |
967 | { |
|
|
968 | if (w->priority < EV_MINPRI) w->priority = EV_MINPRI; |
|
|
969 | if (w->priority > EV_MAXPRI) w->priority = EV_MAXPRI; |
|
|
970 | |
661 | w->active = active; |
971 | w->active = active; |
|
|
972 | ev_ref (EV_A); |
662 | } |
973 | } |
663 | |
974 | |
664 | static void |
975 | inline void |
665 | ev_stop (W w) |
976 | ev_stop (EV_P_ W w) |
666 | { |
977 | { |
|
|
978 | ev_unref (EV_A); |
667 | w->active = 0; |
979 | w->active = 0; |
668 | } |
980 | } |
669 | |
981 | |
670 | /*****************************************************************************/ |
982 | /*****************************************************************************/ |
671 | |
983 | |
672 | void |
984 | void |
673 | evio_start (struct ev_io *w) |
985 | ev_io_start (EV_P_ struct ev_io *w) |
674 | { |
986 | { |
|
|
987 | int fd = w->fd; |
|
|
988 | |
675 | if (ev_is_active (w)) |
989 | if (ev_is_active (w)) |
676 | return; |
990 | return; |
677 | |
991 | |
678 | int fd = w->fd; |
992 | assert (("ev_io_start called with negative fd", fd >= 0)); |
679 | |
993 | |
680 | ev_start ((W)w, 1); |
994 | ev_start (EV_A_ (W)w, 1); |
681 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
995 | array_needsize (anfds, anfdmax, fd + 1, anfds_init); |
682 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
996 | wlist_add ((WL *)&anfds[fd].head, (WL)w); |
683 | |
997 | |
684 | ++fdchangecnt; |
998 | fd_change (EV_A_ fd); |
685 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
686 | fdchanges [fdchangecnt - 1] = fd; |
|
|
687 | } |
999 | } |
688 | |
1000 | |
689 | void |
1001 | void |
690 | evio_stop (struct ev_io *w) |
1002 | ev_io_stop (EV_P_ struct ev_io *w) |
691 | { |
1003 | { |
692 | ev_clear ((W)w); |
1004 | ev_clear_pending (EV_A_ (W)w); |
693 | if (!ev_is_active (w)) |
1005 | if (!ev_is_active (w)) |
694 | return; |
1006 | return; |
695 | |
1007 | |
696 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
1008 | wlist_del ((WL *)&anfds[w->fd].head, (WL)w); |
697 | ev_stop ((W)w); |
1009 | ev_stop (EV_A_ (W)w); |
698 | |
1010 | |
699 | ++fdchangecnt; |
1011 | fd_change (EV_A_ w->fd); |
700 | array_needsize (fdchanges, fdchangemax, fdchangecnt, ); |
|
|
701 | fdchanges [fdchangecnt - 1] = w->fd; |
|
|
702 | } |
1012 | } |
703 | |
1013 | |
704 | void |
1014 | void |
705 | evtimer_start (struct ev_timer *w) |
1015 | ev_timer_start (EV_P_ struct ev_timer *w) |
706 | { |
1016 | { |
707 | if (ev_is_active (w)) |
1017 | if (ev_is_active (w)) |
708 | return; |
1018 | return; |
709 | |
1019 | |
710 | w->at += now; |
1020 | w->at += mn_now; |
711 | |
1021 | |
712 | assert (("timer repeat value less than zero not allowed", w->repeat >= 0.)); |
1022 | assert (("ev_timer_start called with negative timer repeat value", w->repeat >= 0.)); |
713 | |
1023 | |
714 | ev_start ((W)w, ++timercnt); |
1024 | ev_start (EV_A_ (W)w, ++timercnt); |
715 | array_needsize (timers, timermax, timercnt, ); |
1025 | array_needsize (timers, timermax, timercnt, ); |
716 | timers [timercnt - 1] = w; |
1026 | timers [timercnt - 1] = w; |
717 | upheap ((WT *)timers, timercnt - 1); |
1027 | upheap ((WT *)timers, timercnt - 1); |
718 | } |
1028 | } |
719 | |
1029 | |
720 | void |
1030 | void |
721 | evtimer_stop (struct ev_timer *w) |
1031 | ev_timer_stop (EV_P_ struct ev_timer *w) |
722 | { |
1032 | { |
723 | ev_clear ((W)w); |
1033 | ev_clear_pending (EV_A_ (W)w); |
724 | if (!ev_is_active (w)) |
1034 | if (!ev_is_active (w)) |
725 | return; |
1035 | return; |
726 | |
1036 | |
727 | if (w->active < timercnt--) |
1037 | if (w->active < timercnt--) |
728 | { |
1038 | { |
… | |
… | |
730 | downheap ((WT *)timers, timercnt, w->active - 1); |
1040 | downheap ((WT *)timers, timercnt, w->active - 1); |
731 | } |
1041 | } |
732 | |
1042 | |
733 | w->at = w->repeat; |
1043 | w->at = w->repeat; |
734 | |
1044 | |
735 | ev_stop ((W)w); |
1045 | ev_stop (EV_A_ (W)w); |
736 | } |
1046 | } |
737 | |
1047 | |
738 | void |
1048 | void |
739 | evtimer_again (struct ev_timer *w) |
1049 | ev_timer_again (EV_P_ struct ev_timer *w) |
740 | { |
1050 | { |
741 | if (ev_is_active (w)) |
1051 | if (ev_is_active (w)) |
742 | { |
1052 | { |
743 | if (w->repeat) |
1053 | if (w->repeat) |
744 | { |
1054 | { |
745 | w->at = now + w->repeat; |
1055 | w->at = mn_now + w->repeat; |
746 | downheap ((WT *)timers, timercnt, w->active - 1); |
1056 | downheap ((WT *)timers, timercnt, w->active - 1); |
747 | } |
1057 | } |
748 | else |
1058 | else |
749 | evtimer_stop (w); |
1059 | ev_timer_stop (EV_A_ w); |
750 | } |
1060 | } |
751 | else if (w->repeat) |
1061 | else if (w->repeat) |
752 | evtimer_start (w); |
1062 | ev_timer_start (EV_A_ w); |
753 | } |
1063 | } |
754 | |
1064 | |
755 | void |
1065 | void |
756 | evperiodic_start (struct ev_periodic *w) |
1066 | ev_periodic_start (EV_P_ struct ev_periodic *w) |
757 | { |
1067 | { |
758 | if (ev_is_active (w)) |
1068 | if (ev_is_active (w)) |
759 | return; |
1069 | return; |
760 | |
1070 | |
761 | assert (("periodic interval value less than zero not allowed", w->interval >= 0.)); |
1071 | assert (("ev_periodic_start called with negative interval value", w->interval >= 0.)); |
762 | |
1072 | |
763 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
1073 | /* this formula differs from the one in periodic_reify because we do not always round up */ |
764 | if (w->interval) |
1074 | if (w->interval) |
765 | w->at += ceil ((ev_now - w->at) / w->interval) * w->interval; |
1075 | w->at += ceil ((rt_now - w->at) / w->interval) * w->interval; |
766 | |
1076 | |
767 | ev_start ((W)w, ++periodiccnt); |
1077 | ev_start (EV_A_ (W)w, ++periodiccnt); |
768 | array_needsize (periodics, periodicmax, periodiccnt, ); |
1078 | array_needsize (periodics, periodicmax, periodiccnt, ); |
769 | periodics [periodiccnt - 1] = w; |
1079 | periodics [periodiccnt - 1] = w; |
770 | upheap ((WT *)periodics, periodiccnt - 1); |
1080 | upheap ((WT *)periodics, periodiccnt - 1); |
771 | } |
1081 | } |
772 | |
1082 | |
773 | void |
1083 | void |
774 | evperiodic_stop (struct ev_periodic *w) |
1084 | ev_periodic_stop (EV_P_ struct ev_periodic *w) |
775 | { |
1085 | { |
776 | ev_clear ((W)w); |
1086 | ev_clear_pending (EV_A_ (W)w); |
777 | if (!ev_is_active (w)) |
1087 | if (!ev_is_active (w)) |
778 | return; |
1088 | return; |
779 | |
1089 | |
780 | if (w->active < periodiccnt--) |
1090 | if (w->active < periodiccnt--) |
781 | { |
1091 | { |
782 | periodics [w->active - 1] = periodics [periodiccnt]; |
1092 | periodics [w->active - 1] = periodics [periodiccnt]; |
783 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
1093 | downheap ((WT *)periodics, periodiccnt, w->active - 1); |
784 | } |
1094 | } |
785 | |
1095 | |
786 | ev_stop ((W)w); |
1096 | ev_stop (EV_A_ (W)w); |
787 | } |
1097 | } |
788 | |
1098 | |
|
|
1099 | #ifndef SA_RESTART |
|
|
1100 | # define SA_RESTART 0 |
|
|
1101 | #endif |
|
|
1102 | |
789 | void |
1103 | void |
790 | evsignal_start (struct ev_signal *w) |
1104 | ev_signal_start (EV_P_ struct ev_signal *w) |
791 | { |
1105 | { |
792 | if (ev_is_active (w)) |
1106 | if (ev_is_active (w)) |
793 | return; |
1107 | return; |
794 | |
1108 | |
|
|
1109 | assert (("ev_signal_start called with illegal signal number", w->signum > 0)); |
|
|
1110 | |
795 | ev_start ((W)w, 1); |
1111 | ev_start (EV_A_ (W)w, 1); |
796 | array_needsize (signals, signalmax, w->signum, signals_init); |
1112 | array_needsize (signals, signalmax, w->signum, signals_init); |
797 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
1113 | wlist_add ((WL *)&signals [w->signum - 1].head, (WL)w); |
798 | |
1114 | |
799 | if (!w->next) |
1115 | if (!w->next) |
800 | { |
1116 | { |
801 | struct sigaction sa; |
1117 | struct sigaction sa; |
802 | sa.sa_handler = sighandler; |
1118 | sa.sa_handler = sighandler; |
803 | sigfillset (&sa.sa_mask); |
1119 | sigfillset (&sa.sa_mask); |
804 | sa.sa_flags = 0; |
1120 | sa.sa_flags = SA_RESTART; /* if restarting works we save one iteration */ |
805 | sigaction (w->signum, &sa, 0); |
1121 | sigaction (w->signum, &sa, 0); |
806 | } |
1122 | } |
807 | } |
1123 | } |
808 | |
1124 | |
809 | void |
1125 | void |
810 | evsignal_stop (struct ev_signal *w) |
1126 | ev_signal_stop (EV_P_ struct ev_signal *w) |
811 | { |
1127 | { |
812 | ev_clear ((W)w); |
1128 | ev_clear_pending (EV_A_ (W)w); |
813 | if (!ev_is_active (w)) |
1129 | if (!ev_is_active (w)) |
814 | return; |
1130 | return; |
815 | |
1131 | |
816 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
1132 | wlist_del ((WL *)&signals [w->signum - 1].head, (WL)w); |
817 | ev_stop ((W)w); |
1133 | ev_stop (EV_A_ (W)w); |
818 | |
1134 | |
819 | if (!signals [w->signum - 1].head) |
1135 | if (!signals [w->signum - 1].head) |
820 | signal (w->signum, SIG_DFL); |
1136 | signal (w->signum, SIG_DFL); |
821 | } |
1137 | } |
822 | |
1138 | |
|
|
1139 | void |
823 | void evidle_start (struct ev_idle *w) |
1140 | ev_idle_start (EV_P_ struct ev_idle *w) |
824 | { |
1141 | { |
825 | if (ev_is_active (w)) |
1142 | if (ev_is_active (w)) |
826 | return; |
1143 | return; |
827 | |
1144 | |
828 | ev_start ((W)w, ++idlecnt); |
1145 | ev_start (EV_A_ (W)w, ++idlecnt); |
829 | array_needsize (idles, idlemax, idlecnt, ); |
1146 | array_needsize (idles, idlemax, idlecnt, ); |
830 | idles [idlecnt - 1] = w; |
1147 | idles [idlecnt - 1] = w; |
831 | } |
1148 | } |
832 | |
1149 | |
|
|
1150 | void |
833 | void evidle_stop (struct ev_idle *w) |
1151 | ev_idle_stop (EV_P_ struct ev_idle *w) |
834 | { |
1152 | { |
835 | ev_clear ((W)w); |
1153 | ev_clear_pending (EV_A_ (W)w); |
836 | if (ev_is_active (w)) |
1154 | if (ev_is_active (w)) |
837 | return; |
1155 | return; |
838 | |
1156 | |
839 | idles [w->active - 1] = idles [--idlecnt]; |
1157 | idles [w->active - 1] = idles [--idlecnt]; |
840 | ev_stop ((W)w); |
1158 | ev_stop (EV_A_ (W)w); |
841 | } |
1159 | } |
842 | |
1160 | |
|
|
1161 | void |
843 | void evprepare_start (struct ev_prepare *w) |
1162 | ev_prepare_start (EV_P_ struct ev_prepare *w) |
844 | { |
1163 | { |
845 | if (ev_is_active (w)) |
1164 | if (ev_is_active (w)) |
846 | return; |
1165 | return; |
847 | |
1166 | |
848 | ev_start ((W)w, ++preparecnt); |
1167 | ev_start (EV_A_ (W)w, ++preparecnt); |
849 | array_needsize (prepares, preparemax, preparecnt, ); |
1168 | array_needsize (prepares, preparemax, preparecnt, ); |
850 | prepares [preparecnt - 1] = w; |
1169 | prepares [preparecnt - 1] = w; |
851 | } |
1170 | } |
852 | |
1171 | |
|
|
1172 | void |
853 | void evprepare_stop (struct ev_prepare *w) |
1173 | ev_prepare_stop (EV_P_ struct ev_prepare *w) |
854 | { |
1174 | { |
855 | ev_clear ((W)w); |
1175 | ev_clear_pending (EV_A_ (W)w); |
856 | if (ev_is_active (w)) |
1176 | if (ev_is_active (w)) |
857 | return; |
1177 | return; |
858 | |
1178 | |
859 | prepares [w->active - 1] = prepares [--preparecnt]; |
1179 | prepares [w->active - 1] = prepares [--preparecnt]; |
860 | ev_stop ((W)w); |
1180 | ev_stop (EV_A_ (W)w); |
861 | } |
1181 | } |
862 | |
1182 | |
|
|
1183 | void |
863 | void evcheck_start (struct ev_check *w) |
1184 | ev_check_start (EV_P_ struct ev_check *w) |
864 | { |
1185 | { |
865 | if (ev_is_active (w)) |
1186 | if (ev_is_active (w)) |
866 | return; |
1187 | return; |
867 | |
1188 | |
868 | ev_start ((W)w, ++checkcnt); |
1189 | ev_start (EV_A_ (W)w, ++checkcnt); |
869 | array_needsize (checks, checkmax, checkcnt, ); |
1190 | array_needsize (checks, checkmax, checkcnt, ); |
870 | checks [checkcnt - 1] = w; |
1191 | checks [checkcnt - 1] = w; |
871 | } |
1192 | } |
872 | |
1193 | |
|
|
1194 | void |
873 | void evcheck_stop (struct ev_check *w) |
1195 | ev_check_stop (EV_P_ struct ev_check *w) |
874 | { |
1196 | { |
875 | ev_clear ((W)w); |
1197 | ev_clear_pending (EV_A_ (W)w); |
876 | if (ev_is_active (w)) |
1198 | if (ev_is_active (w)) |
877 | return; |
1199 | return; |
878 | |
1200 | |
879 | checks [w->active - 1] = checks [--checkcnt]; |
1201 | checks [w->active - 1] = checks [--checkcnt]; |
880 | ev_stop ((W)w); |
1202 | ev_stop (EV_A_ (W)w); |
|
|
1203 | } |
|
|
1204 | |
|
|
1205 | void |
|
|
1206 | ev_child_start (EV_P_ struct ev_child *w) |
|
|
1207 | { |
|
|
1208 | if (ev_is_active (w)) |
|
|
1209 | return; |
|
|
1210 | |
|
|
1211 | ev_start (EV_A_ (W)w, 1); |
|
|
1212 | wlist_add ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
|
|
1213 | } |
|
|
1214 | |
|
|
1215 | void |
|
|
1216 | ev_child_stop (EV_P_ struct ev_child *w) |
|
|
1217 | { |
|
|
1218 | ev_clear_pending (EV_A_ (W)w); |
|
|
1219 | if (ev_is_active (w)) |
|
|
1220 | return; |
|
|
1221 | |
|
|
1222 | wlist_del ((WL *)&childs [w->pid & (PID_HASHSIZE - 1)], (WL)w); |
|
|
1223 | ev_stop (EV_A_ (W)w); |
881 | } |
1224 | } |
882 | |
1225 | |
883 | /*****************************************************************************/ |
1226 | /*****************************************************************************/ |
884 | |
1227 | |
885 | struct ev_once |
1228 | struct ev_once |
… | |
… | |
889 | void (*cb)(int revents, void *arg); |
1232 | void (*cb)(int revents, void *arg); |
890 | void *arg; |
1233 | void *arg; |
891 | }; |
1234 | }; |
892 | |
1235 | |
893 | static void |
1236 | static void |
894 | once_cb (struct ev_once *once, int revents) |
1237 | once_cb (EV_P_ struct ev_once *once, int revents) |
895 | { |
1238 | { |
896 | void (*cb)(int revents, void *arg) = once->cb; |
1239 | void (*cb)(int revents, void *arg) = once->cb; |
897 | void *arg = once->arg; |
1240 | void *arg = once->arg; |
898 | |
1241 | |
899 | evio_stop (&once->io); |
1242 | ev_io_stop (EV_A_ &once->io); |
900 | evtimer_stop (&once->to); |
1243 | ev_timer_stop (EV_A_ &once->to); |
901 | free (once); |
1244 | free (once); |
902 | |
1245 | |
903 | cb (revents, arg); |
1246 | cb (revents, arg); |
904 | } |
1247 | } |
905 | |
1248 | |
906 | static void |
1249 | static void |
907 | once_cb_io (struct ev_io *w, int revents) |
1250 | once_cb_io (EV_P_ struct ev_io *w, int revents) |
908 | { |
1251 | { |
909 | once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
1252 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, io)), revents); |
910 | } |
1253 | } |
911 | |
1254 | |
912 | static void |
1255 | static void |
913 | once_cb_to (struct ev_timer *w, int revents) |
1256 | once_cb_to (EV_P_ struct ev_timer *w, int revents) |
914 | { |
1257 | { |
915 | once_cb ((struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
1258 | once_cb (EV_A_ (struct ev_once *)(((char *)w) - offsetof (struct ev_once, to)), revents); |
916 | } |
1259 | } |
917 | |
1260 | |
918 | void |
1261 | void |
919 | ev_once (int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
1262 | ev_once (EV_P_ int fd, int events, ev_tstamp timeout, void (*cb)(int revents, void *arg), void *arg) |
920 | { |
1263 | { |
921 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
1264 | struct ev_once *once = malloc (sizeof (struct ev_once)); |
922 | |
1265 | |
923 | if (!once) |
1266 | if (!once) |
924 | cb (EV_ERROR, arg); |
1267 | cb (EV_ERROR | EV_READ | EV_WRITE | EV_TIMEOUT, arg); |
925 | else |
1268 | else |
926 | { |
1269 | { |
927 | once->cb = cb; |
1270 | once->cb = cb; |
928 | once->arg = arg; |
1271 | once->arg = arg; |
929 | |
1272 | |
930 | evw_init (&once->io, once_cb_io); |
1273 | ev_watcher_init (&once->io, once_cb_io); |
931 | |
|
|
932 | if (fd >= 0) |
1274 | if (fd >= 0) |
933 | { |
1275 | { |
934 | evio_set (&once->io, fd, events); |
1276 | ev_io_set (&once->io, fd, events); |
935 | evio_start (&once->io); |
1277 | ev_io_start (EV_A_ &once->io); |
936 | } |
1278 | } |
937 | |
1279 | |
938 | evw_init (&once->to, once_cb_to); |
1280 | ev_watcher_init (&once->to, once_cb_to); |
939 | |
|
|
940 | if (timeout >= 0.) |
1281 | if (timeout >= 0.) |
941 | { |
1282 | { |
942 | evtimer_set (&once->to, timeout, 0.); |
1283 | ev_timer_set (&once->to, timeout, 0.); |
943 | evtimer_start (&once->to); |
1284 | ev_timer_start (EV_A_ &once->to); |
944 | } |
1285 | } |
945 | } |
1286 | } |
946 | } |
1287 | } |
947 | |
1288 | |
948 | /*****************************************************************************/ |
1289 | /*****************************************************************************/ |
… | |
… | |
959 | |
1300 | |
960 | static void |
1301 | static void |
961 | ocb (struct ev_timer *w, int revents) |
1302 | ocb (struct ev_timer *w, int revents) |
962 | { |
1303 | { |
963 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
1304 | //fprintf (stderr, "timer %f,%f (%x) (%f) d%p\n", w->at, w->repeat, revents, w->at - ev_time (), w->data); |
964 | evtimer_stop (w); |
1305 | ev_timer_stop (w); |
965 | evtimer_start (w); |
1306 | ev_timer_start (w); |
966 | } |
1307 | } |
967 | |
1308 | |
968 | static void |
1309 | static void |
969 | scb (struct ev_signal *w, int revents) |
1310 | scb (struct ev_signal *w, int revents) |
970 | { |
1311 | { |
971 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
1312 | fprintf (stderr, "signal %x,%d\n", revents, w->signum); |
972 | evio_stop (&wio); |
1313 | ev_io_stop (&wio); |
973 | evio_start (&wio); |
1314 | ev_io_start (&wio); |
974 | } |
1315 | } |
975 | |
1316 | |
976 | static void |
1317 | static void |
977 | gcb (struct ev_signal *w, int revents) |
1318 | gcb (struct ev_signal *w, int revents) |
978 | { |
1319 | { |
… | |
… | |
982 | |
1323 | |
983 | int main (void) |
1324 | int main (void) |
984 | { |
1325 | { |
985 | ev_init (0); |
1326 | ev_init (0); |
986 | |
1327 | |
987 | evio_init (&wio, sin_cb, 0, EV_READ); |
1328 | ev_io_init (&wio, sin_cb, 0, EV_READ); |
988 | evio_start (&wio); |
1329 | ev_io_start (&wio); |
989 | |
1330 | |
990 | struct ev_timer t[10000]; |
1331 | struct ev_timer t[10000]; |
991 | |
1332 | |
992 | #if 0 |
1333 | #if 0 |
993 | int i; |
1334 | int i; |
994 | for (i = 0; i < 10000; ++i) |
1335 | for (i = 0; i < 10000; ++i) |
995 | { |
1336 | { |
996 | struct ev_timer *w = t + i; |
1337 | struct ev_timer *w = t + i; |
997 | evw_init (w, ocb, i); |
1338 | ev_watcher_init (w, ocb, i); |
998 | evtimer_init_abs (w, ocb, drand48 (), 0.99775533); |
1339 | ev_timer_init_abs (w, ocb, drand48 (), 0.99775533); |
999 | evtimer_start (w); |
1340 | ev_timer_start (w); |
1000 | if (drand48 () < 0.5) |
1341 | if (drand48 () < 0.5) |
1001 | evtimer_stop (w); |
1342 | ev_timer_stop (w); |
1002 | } |
1343 | } |
1003 | #endif |
1344 | #endif |
1004 | |
1345 | |
1005 | struct ev_timer t1; |
1346 | struct ev_timer t1; |
1006 | evtimer_init (&t1, ocb, 5, 10); |
1347 | ev_timer_init (&t1, ocb, 5, 10); |
1007 | evtimer_start (&t1); |
1348 | ev_timer_start (&t1); |
1008 | |
1349 | |
1009 | struct ev_signal sig; |
1350 | struct ev_signal sig; |
1010 | evsignal_init (&sig, scb, SIGQUIT); |
1351 | ev_signal_init (&sig, scb, SIGQUIT); |
1011 | evsignal_start (&sig); |
1352 | ev_signal_start (&sig); |
1012 | |
1353 | |
1013 | struct ev_check cw; |
1354 | struct ev_check cw; |
1014 | evcheck_init (&cw, gcb); |
1355 | ev_check_init (&cw, gcb); |
1015 | evcheck_start (&cw); |
1356 | ev_check_start (&cw); |
1016 | |
1357 | |
1017 | struct ev_idle iw; |
1358 | struct ev_idle iw; |
1018 | evidle_init (&iw, gcb); |
1359 | ev_idle_init (&iw, gcb); |
1019 | evidle_start (&iw); |
1360 | ev_idle_start (&iw); |
1020 | |
1361 | |
1021 | ev_loop (0); |
1362 | ev_loop (0); |
1022 | |
1363 | |
1023 | return 0; |
1364 | return 0; |
1024 | } |
1365 | } |