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1 | /* | |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> | |
5 | * | |
6 | * This program is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, either version 3 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #ifndef LIBSIGROK_SIGROK_H | |
21 | #define LIBSIGROK_SIGROK_H | |
22 | ||
23 | #include <stdio.h> | |
24 | #include <sys/time.h> | |
25 | #include <stdint.h> | |
26 | #include <inttypes.h> | |
27 | #include <glib.h> | |
28 | ||
29 | #ifdef __cplusplus | |
30 | extern "C" { | |
31 | #endif | |
32 | ||
33 | /* | |
34 | * All possible return codes of libsigrok functions must be listed here. | |
35 | * Functions should never return hardcoded numbers as status, but rather | |
36 | * use these enum values. All error codes are negative numbers. | |
37 | * | |
38 | * The error codes are globally unique in libsigrok, i.e. if one of the | |
39 | * libsigrok functions returns a "malloc error" it must be exactly the same | |
40 | * return value as used by all other functions to indicate "malloc error". | |
41 | * There must be no functions which indicate two different errors via the | |
42 | * same return code. | |
43 | * | |
44 | * Also, for compatibility reasons, no defined return codes are ever removed | |
45 | * or reused for different errors later. You can only add new entries and | |
46 | * return codes, but never remove or redefine existing ones. | |
47 | */ | |
48 | ||
49 | /** Status/error codes returned by libsigrok functions. */ | |
50 | enum { | |
51 | SR_OK = 0, /**< No error. */ | |
52 | SR_ERR = -1, /**< Generic/unspecified error. */ | |
53 | SR_ERR_MALLOC = -2, /**< Malloc/calloc/realloc error. */ | |
54 | SR_ERR_ARG = -3, /**< Function argument error. */ | |
55 | SR_ERR_BUG = -4, /**< Errors hinting at internal bugs. */ | |
56 | SR_ERR_SAMPLERATE = -5, /**< Incorrect samplerate. */ | |
57 | }; | |
58 | ||
59 | #define SR_MAX_NUM_PROBES 64 /* Limited by uint64_t. */ | |
60 | #define SR_MAX_PROBENAME_LEN 32 | |
61 | ||
62 | /* Handy little macros */ | |
63 | #define SR_HZ(n) (n) | |
64 | #define SR_KHZ(n) ((n) * 1000) | |
65 | #define SR_MHZ(n) ((n) * 1000000) | |
66 | #define SR_GHZ(n) ((n) * 1000000000) | |
67 | ||
68 | #define SR_HZ_TO_NS(n) (1000000000 / (n)) | |
69 | ||
70 | /** libsigrok loglevels. */ | |
71 | enum { | |
72 | SR_LOG_NONE = 0, /**< Output no messages at all. */ | |
73 | SR_LOG_ERR = 1, /**< Output error messages. */ | |
74 | SR_LOG_WARN = 2, /**< Output warnings. */ | |
75 | SR_LOG_INFO = 3, /**< Output informational messages. */ | |
76 | SR_LOG_DBG = 4, /**< Output debug messages. */ | |
77 | SR_LOG_SPEW = 5, /**< Output very noisy debug messages. */ | |
78 | }; | |
79 | ||
80 | /* | |
81 | * Use SR_API to mark public API symbols, and SR_PRIV for private symbols. | |
82 | * | |
83 | * Variables and functions marked 'static' are private already and don't | |
84 | * need SR_PRIV. However, functions which are not static (because they need | |
85 | * to be used in other libsigrok-internal files) but are also not meant to | |
86 | * be part of the public libsigrok API, must use SR_PRIV. | |
87 | * | |
88 | * This uses the 'visibility' feature of gcc (requires gcc >= 4.0). | |
89 | * | |
90 | * This feature is not available on MinGW/Windows, as it is a feature of | |
91 | * ELF files and MinGW/Windows uses PE files. | |
92 | * | |
93 | * Details: http://gcc.gnu.org/wiki/Visibility | |
94 | */ | |
95 | ||
96 | /* Marks public libsigrok API symbols. */ | |
97 | #ifndef _WIN32 | |
98 | #define SR_API __attribute__((visibility("default"))) | |
99 | #else | |
100 | #define SR_API | |
101 | #endif | |
102 | ||
103 | /* Marks private, non-public libsigrok symbols (not part of the API). */ | |
104 | #ifndef _WIN32 | |
105 | #define SR_PRIV __attribute__((visibility("hidden"))) | |
106 | #else | |
107 | #define SR_PRIV | |
108 | #endif | |
109 | ||
110 | typedef int (*sr_receive_data_callback_t)(int fd, int revents, void *cb_data); | |
111 | ||
112 | /** Data types used by hardware drivers for dev_config_set(). */ | |
113 | enum { | |
114 | SR_T_UINT64, | |
115 | SR_T_CHAR, | |
116 | SR_T_BOOL, | |
117 | SR_T_FLOAT, | |
118 | SR_T_RATIONAL_PERIOD, | |
119 | SR_T_RATIONAL_VOLT, | |
120 | SR_T_KEYVALUE, | |
121 | }; | |
122 | ||
123 | /** Rational number data type, containing numerator and denominator values. */ | |
124 | struct sr_rational { | |
125 | /** Numerator of the rational number. */ | |
126 | uint64_t p; | |
127 | /** Denominator of the rational number. */ | |
128 | uint64_t q; | |
129 | }; | |
130 | ||
131 | /** Value for sr_datafeed_packet.type. */ | |
132 | enum { | |
133 | SR_DF_HEADER, | |
134 | SR_DF_END, | |
135 | SR_DF_TRIGGER, | |
136 | SR_DF_LOGIC, | |
137 | SR_DF_META_LOGIC, | |
138 | SR_DF_ANALOG, | |
139 | SR_DF_META_ANALOG, | |
140 | SR_DF_FRAME_BEGIN, | |
141 | SR_DF_FRAME_END, | |
142 | }; | |
143 | ||
144 | /** Values for sr_datafeed_analog.mq. */ | |
145 | enum { | |
146 | SR_MQ_VOLTAGE, | |
147 | SR_MQ_CURRENT, | |
148 | SR_MQ_RESISTANCE, | |
149 | SR_MQ_CAPACITANCE, | |
150 | SR_MQ_TEMPERATURE, | |
151 | SR_MQ_FREQUENCY, | |
152 | SR_MQ_DUTY_CYCLE, | |
153 | SR_MQ_CONTINUITY, | |
154 | SR_MQ_PULSE_WIDTH, | |
155 | SR_MQ_CONDUCTANCE, | |
156 | /** Electrical power, usually in W, or dBm. */ | |
157 | SR_MQ_POWER, | |
158 | /** Gain (e.g. a transistor's gain, or hFE). */ | |
159 | SR_MQ_GAIN, | |
160 | }; | |
161 | ||
162 | /** Values for sr_datafeed_analog.unit. */ | |
163 | enum { | |
164 | SR_UNIT_VOLT, | |
165 | SR_UNIT_AMPERE, | |
166 | SR_UNIT_OHM, | |
167 | SR_UNIT_FARAD, | |
168 | SR_UNIT_KELVIN, | |
169 | SR_UNIT_CELSIUS, | |
170 | SR_UNIT_FAHRENHEIT, | |
171 | SR_UNIT_HERTZ, | |
172 | SR_UNIT_PERCENTAGE, | |
173 | SR_UNIT_BOOLEAN, | |
174 | SR_UNIT_SECOND, | |
175 | /** Unit of conductance, the inverse of resistance. */ | |
176 | SR_UNIT_SIEMENS, | |
177 | /** | |
178 | * An absolute measurement of power, in decibels, referenced to | |
179 | * 1 milliwatt (dBu). | |
180 | */ | |
181 | SR_UNIT_DECIBEL_MW, | |
182 | /** Voltage in decibel, referenced to 1 volt (dBV). */ | |
183 | SR_UNIT_DECIBEL_VOLT, | |
184 | /** | |
185 | * Measurements that intrinsically do not have units attached, such | |
186 | * as ratios, gains, etc. Specifically, a transistor's gain (hFE) is | |
187 | * a unitless quantity, for example. | |
188 | */ | |
189 | SR_UNIT_UNITLESS, | |
190 | }; | |
191 | ||
192 | /** Values for sr_datafeed_analog.flags. */ | |
193 | enum { | |
194 | /** Voltage measurement is alternating current (AC). */ | |
195 | SR_MQFLAG_AC = 0x01, | |
196 | /** Voltage measurement is direct current (DC). */ | |
197 | SR_MQFLAG_DC = 0x02, | |
198 | /** This is a true RMS measurement. */ | |
199 | SR_MQFLAG_RMS = 0x04, | |
200 | /** Value is voltage drop across a diode, or NAN. */ | |
201 | SR_MQFLAG_DIODE = 0x08, | |
202 | /** Device is in "hold" mode, i.e. repeating the last measurement. */ | |
203 | SR_MQFLAG_HOLD = 0x10, | |
204 | /** Device is in "max" mode, only updating upon a new max value. */ | |
205 | SR_MQFLAG_MAX = 0x20, | |
206 | /** Device is in "min" mode, only updating upon a new min value. */ | |
207 | SR_MQFLAG_MIN = 0x40, | |
208 | /** Device is in autoranging mode. */ | |
209 | SR_MQFLAG_AUTORANGE = 0x80, | |
210 | /** Device is in relative mode. */ | |
211 | SR_MQFLAG_RELATIVE = 0x100, | |
212 | }; | |
213 | ||
214 | struct sr_context; | |
215 | ||
216 | struct sr_datafeed_packet { | |
217 | uint16_t type; | |
218 | void *payload; | |
219 | }; | |
220 | ||
221 | struct sr_datafeed_header { | |
222 | int feed_version; | |
223 | struct timeval starttime; | |
224 | }; | |
225 | ||
226 | struct sr_datafeed_meta_logic { | |
227 | int num_probes; | |
228 | uint64_t samplerate; | |
229 | }; | |
230 | ||
231 | struct sr_datafeed_logic { | |
232 | uint64_t length; | |
233 | uint16_t unitsize; | |
234 | void *data; | |
235 | }; | |
236 | ||
237 | struct sr_datafeed_meta_analog { | |
238 | int num_probes; | |
239 | }; | |
240 | ||
241 | struct sr_datafeed_analog { | |
242 | int num_samples; | |
243 | /** Measured quantity (e.g. voltage, current, temperature). */ | |
244 | int mq; | |
245 | /** Unit in which the MQ is measured. */ | |
246 | int unit; | |
247 | /** Bitmap with extra information about the MQ. */ | |
248 | uint64_t mqflags; | |
249 | /** The analog value. */ | |
250 | float *data; | |
251 | }; | |
252 | ||
253 | struct sr_input { | |
254 | struct sr_input_format *format; | |
255 | GHashTable *param; | |
256 | struct sr_dev_inst *sdi; | |
257 | void *internal; | |
258 | }; | |
259 | ||
260 | struct sr_input_format { | |
261 | char *id; | |
262 | char *description; | |
263 | int (*format_match) (const char *filename); | |
264 | int (*init) (struct sr_input *in); | |
265 | int (*loadfile) (struct sr_input *in, const char *filename); | |
266 | }; | |
267 | ||
268 | struct sr_output { | |
269 | struct sr_output_format *format; | |
270 | struct sr_dev_inst *sdi; | |
271 | char *param; | |
272 | void *internal; | |
273 | }; | |
274 | ||
275 | struct sr_output_format { | |
276 | char *id; | |
277 | char *description; | |
278 | int df_type; | |
279 | int (*init) (struct sr_output *o); | |
280 | int (*data) (struct sr_output *o, const uint8_t *data_in, | |
281 | uint64_t length_in, uint8_t **data_out, | |
282 | uint64_t *length_out); | |
283 | int (*event) (struct sr_output *o, int event_type, uint8_t **data_out, | |
284 | uint64_t *length_out); | |
285 | GString *(*recv) (struct sr_output *o, const struct sr_dev_inst *sdi, | |
286 | struct sr_datafeed_packet *packet); | |
287 | int (*cleanup) (struct sr_output *o); | |
288 | }; | |
289 | ||
290 | struct sr_datastore { | |
291 | /** Size in bytes of the number of units stored in this datastore. */ | |
292 | int ds_unitsize; | |
293 | unsigned int num_units; /* TODO: uint64_t */ | |
294 | GSList *chunklist; | |
295 | }; | |
296 | ||
297 | /* | |
298 | * This represents a generic device connected to the system. | |
299 | * For device-specific information, ask the driver. The driver_index refers | |
300 | * to the device index within that driver; it may be handling more than one | |
301 | * device. All relevant driver calls take a dev_index parameter for this. | |
302 | */ | |
303 | struct sr_dev { | |
304 | /** Which driver handles this device. */ | |
305 | struct sr_dev_driver *driver; | |
306 | /** A driver may handle multiple devices of the same type. */ | |
307 | int driver_index; | |
308 | /** List of struct sr_probe pointers. */ | |
309 | GSList *probes; | |
310 | /** Data acquired by this device, if any. */ | |
311 | struct sr_datastore *datastore; | |
312 | }; | |
313 | ||
314 | enum { | |
315 | SR_PROBE_LOGIC, | |
316 | SR_PROBE_ANALOG, | |
317 | }; | |
318 | ||
319 | struct sr_probe { | |
320 | int index; | |
321 | int type; | |
322 | gboolean enabled; | |
323 | char *name; | |
324 | char *trigger; | |
325 | }; | |
326 | ||
327 | struct sr_hwopt { | |
328 | int hwopt; | |
329 | const void *value; | |
330 | }; | |
331 | ||
332 | /** Hardware driver options. */ | |
333 | enum { | |
334 | /** Used to terminate lists. Must be 0! */ | |
335 | SR_HWOPT_DUMMY = 0, | |
336 | ||
337 | /** | |
338 | * Some drivers cannot detect the exact model they're talking to | |
339 | * (may be phased out). | |
340 | */ | |
341 | SR_HWOPT_MODEL, | |
342 | ||
343 | /** | |
344 | * Specification on how to connect to a device. In combination | |
345 | * with SR_HWOPT_SERIALCOMM, this is a serial port in the form | |
346 | * which makes sense to the operating system (e.g., /dev/ttyS0). | |
347 | * Otherwise this specifies a USB device, either in the form of | |
348 | * [bus].[address] (decimal, e.g. 1.65) or [vendorid].[productid] | |
349 | * (hexadecimal, e.g. 1d6b.0001). | |
350 | */ | |
351 | SR_HWOPT_CONN, | |
352 | ||
353 | /** | |
354 | * Serial communication specification, in the form: | |
355 | * [baudrate]/[databits][parity][stopbits], e.g. 9600/8n1 | |
356 | * | |
357 | * This is always an optional parameter, since a driver typically | |
358 | * knows the speed at which the device wants to communicate. | |
359 | */ | |
360 | SR_HWOPT_SERIALCOMM, | |
361 | }; | |
362 | ||
363 | /** Hardware device capabilities. */ | |
364 | enum { | |
365 | /** Used to terminate lists. Must be 0! */ | |
366 | SR_HWCAP_DUMMY = 0, | |
367 | ||
368 | /*--- Device classes ------------------------------------------------*/ | |
369 | ||
370 | /** The device can act as logic analyzer. */ | |
371 | SR_HWCAP_LOGIC_ANALYZER, | |
372 | ||
373 | /** The device can act as an oscilloscope. */ | |
374 | SR_HWCAP_OSCILLOSCOPE, | |
375 | ||
376 | /** The device can act as a multimeter. */ | |
377 | SR_HWCAP_MULTIMETER, | |
378 | ||
379 | /** The device is a demo device. */ | |
380 | SR_HWCAP_DEMO_DEV, | |
381 | ||
382 | ||
383 | /*--- Device configuration ------------------------------------------*/ | |
384 | ||
385 | /** The device supports setting/changing its samplerate. */ | |
386 | SR_HWCAP_SAMPLERATE, | |
387 | ||
388 | /** The device supports setting a pre/post-trigger capture ratio. */ | |
389 | SR_HWCAP_CAPTURE_RATIO, | |
390 | ||
391 | /* TODO? */ | |
392 | /** The device supports setting a pattern (pattern generator mode). */ | |
393 | SR_HWCAP_PATTERN_MODE, | |
394 | ||
395 | /** The device supports Run Length Encoding. */ | |
396 | SR_HWCAP_RLE, | |
397 | ||
398 | /** The device supports setting trigger slope. */ | |
399 | SR_HWCAP_TRIGGER_SLOPE, | |
400 | ||
401 | /** Trigger source. */ | |
402 | SR_HWCAP_TRIGGER_SOURCE, | |
403 | ||
404 | /** Horizontal trigger position. */ | |
405 | SR_HWCAP_HORIZ_TRIGGERPOS, | |
406 | ||
407 | /** Buffer size. */ | |
408 | SR_HWCAP_BUFFERSIZE, | |
409 | ||
410 | /** Time base. */ | |
411 | SR_HWCAP_TIMEBASE, | |
412 | ||
413 | /** Filter. */ | |
414 | SR_HWCAP_FILTER, | |
415 | ||
416 | /** Volts/div. */ | |
417 | SR_HWCAP_VDIV, | |
418 | ||
419 | /** Coupling. */ | |
420 | SR_HWCAP_COUPLING, | |
421 | ||
422 | ||
423 | /*--- Special stuff -------------------------------------------------*/ | |
424 | ||
425 | /** Session filename. */ | |
426 | SR_HWCAP_SESSIONFILE, | |
427 | ||
428 | /* TODO: Better description. */ | |
429 | /** The device supports specifying a capturefile to inject. */ | |
430 | SR_HWCAP_CAPTUREFILE, | |
431 | ||
432 | /* TODO: Better description. */ | |
433 | /** The device supports specifying the capturefile unit size. */ | |
434 | SR_HWCAP_CAPTURE_UNITSIZE, | |
435 | ||
436 | /* TODO: Better description. */ | |
437 | /** The device supports setting the number of probes. */ | |
438 | SR_HWCAP_CAPTURE_NUM_PROBES, | |
439 | ||
440 | ||
441 | /*--- Acquisition modes ---------------------------------------------*/ | |
442 | ||
443 | /** | |
444 | * The device supports setting a sample time limit, i.e. how long the | |
445 | * sample acquisition should run (in ms). | |
446 | */ | |
447 | SR_HWCAP_LIMIT_MSEC, | |
448 | ||
449 | /** | |
450 | * The device supports setting a sample number limit, i.e. how many | |
451 | * samples should be acquired. | |
452 | */ | |
453 | SR_HWCAP_LIMIT_SAMPLES, | |
454 | ||
455 | /** | |
456 | * The device supports setting a frame limit, i.e. how many | |
457 | * frames should be acquired. | |
458 | */ | |
459 | SR_HWCAP_LIMIT_FRAMES, | |
460 | ||
461 | /** | |
462 | * The device supports continuous sampling, i.e. neither a time limit | |
463 | * nor a sample number limit has to be supplied, it will just acquire | |
464 | * samples continuously, until explicitly stopped by a certain command. | |
465 | */ | |
466 | SR_HWCAP_CONTINUOUS, | |
467 | ||
468 | }; | |
469 | ||
470 | struct sr_hwcap_option { | |
471 | int hwcap; | |
472 | int type; | |
473 | char *description; | |
474 | char *shortname; | |
475 | }; | |
476 | ||
477 | struct sr_dev_inst { | |
478 | struct sr_dev_driver *driver; | |
479 | int index; | |
480 | int status; | |
481 | int inst_type; | |
482 | char *vendor; | |
483 | char *model; | |
484 | char *version; | |
485 | GSList *probes; | |
486 | void *priv; | |
487 | }; | |
488 | ||
489 | /** Types of device instances (sr_dev_inst). */ | |
490 | enum { | |
491 | /** Device instance type for USB devices. */ | |
492 | SR_INST_USB, | |
493 | /** Device instance type for serial port devices. */ | |
494 | SR_INST_SERIAL, | |
495 | }; | |
496 | ||
497 | /** Device instance status. */ | |
498 | enum { | |
499 | /** The device instance was not found. */ | |
500 | SR_ST_NOT_FOUND, | |
501 | /** The device instance was found, but is still booting. */ | |
502 | SR_ST_INITIALIZING, | |
503 | /** The device instance is live, but not in use. */ | |
504 | SR_ST_INACTIVE, | |
505 | /** The device instance is actively in use in a session. */ | |
506 | SR_ST_ACTIVE, | |
507 | }; | |
508 | ||
509 | /* | |
510 | * TODO: This sucks, you just kinda have to "know" the returned type. | |
511 | * TODO: Need a DI to return the number of trigger stages supported. | |
512 | */ | |
513 | ||
514 | /** Device info IDs. */ | |
515 | enum { | |
516 | /** A list of options supported by the driver. */ | |
517 | SR_DI_HWOPTS, | |
518 | /** A list of capabilities supported by the device. */ | |
519 | SR_DI_HWCAPS, | |
520 | /** The number of probes connected to this device. */ | |
521 | SR_DI_NUM_PROBES, | |
522 | /** The probe names on this device. */ | |
523 | SR_DI_PROBE_NAMES, | |
524 | /** Samplerates supported by this device (struct sr_samplerates). */ | |
525 | SR_DI_SAMPLERATES, | |
526 | /** Types of logic trigger supported, out of "01crf" (char *). */ | |
527 | SR_DI_TRIGGER_TYPES, | |
528 | /** The currently set samplerate in Hz (uint64_t). */ | |
529 | SR_DI_CUR_SAMPLERATE, | |
530 | /** Supported patterns (in pattern generator mode). */ | |
531 | SR_DI_PATTERNS, | |
532 | /** Supported buffer sizes. */ | |
533 | SR_DI_BUFFERSIZES, | |
534 | /** Supported time bases. */ | |
535 | SR_DI_TIMEBASES, | |
536 | /** Supported trigger sources. */ | |
537 | SR_DI_TRIGGER_SOURCES, | |
538 | /** Supported filter targets. */ | |
539 | SR_DI_FILTERS, | |
540 | /** Valid volts/div values. */ | |
541 | SR_DI_VDIVS, | |
542 | /** Coupling options. */ | |
543 | SR_DI_COUPLING, | |
544 | }; | |
545 | ||
546 | /* | |
547 | * A device supports either a range of samplerates with steps of a given | |
548 | * granularity, or is limited to a set of defined samplerates. Use either | |
549 | * step or list, but not both. | |
550 | */ | |
551 | struct sr_samplerates { | |
552 | uint64_t low; | |
553 | uint64_t high; | |
554 | uint64_t step; | |
555 | const uint64_t *list; | |
556 | }; | |
557 | ||
558 | struct sr_dev_driver { | |
559 | /* Driver-specific */ | |
560 | char *name; | |
561 | char *longname; | |
562 | int api_version; | |
563 | int (*init) (void); | |
564 | int (*cleanup) (void); | |
565 | GSList *(*scan) (GSList *options); | |
566 | GSList *(*dev_list) (void); | |
567 | int (*dev_clear) (void); | |
568 | ||
569 | /* Device-specific */ | |
570 | int (*dev_open) (struct sr_dev_inst *sdi); | |
571 | int (*dev_close) (struct sr_dev_inst *sdi); | |
572 | int (*info_get) (int info_id, const void **data, | |
573 | const struct sr_dev_inst *sdi); | |
574 | int (*dev_config_set) (const struct sr_dev_inst *sdi, int hwcap, | |
575 | const void *value); | |
576 | int (*dev_acquisition_start) (const struct sr_dev_inst *sdi, | |
577 | void *cb_data); | |
578 | int (*dev_acquisition_stop) (const struct sr_dev_inst *sdi, | |
579 | void *cb_data); | |
580 | ||
581 | /* Dynamic */ | |
582 | void *priv; | |
583 | }; | |
584 | ||
585 | struct sr_session { | |
586 | /** List of struct sr_dev pointers. */ | |
587 | GSList *devs; | |
588 | /** List of sr_receive_data_callback_t items. */ | |
589 | GSList *datafeed_callbacks; | |
590 | GTimeVal starttime; | |
591 | ||
592 | unsigned int num_sources; | |
593 | ||
594 | /* | |
595 | * Both "sources" and "pollfds" are of the same size and contain pairs | |
596 | * of descriptor and callback function. We can not embed the GPollFD | |
597 | * into the source struct since we want to be able to pass the array | |
598 | * of all poll descriptors to g_poll(). | |
599 | */ | |
600 | struct source *sources; | |
601 | GPollFD *pollfds; | |
602 | int source_timeout; | |
603 | }; | |
604 | ||
605 | #include "proto.h" | |
606 | #include "version.h" | |
607 | ||
608 | #ifdef __cplusplus | |
609 | } | |
610 | #endif | |
611 | ||
612 | #endif |