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Extend base read timeout to 100ms in spec and implementation. Reports indicate that 10ms is too short so extending the base timeout to 100ms to compensate.
author William Astle <lost@l-w.ca>
date Sun, 29 May 2016 21:59:29 -0600
parents 56f53e48ab50
children cf915ece9e48
comparison
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4:56f53e48ab50 5:422f5e8fff85
372 return fcntl(fd, F_SETFL, flags); 372 return fcntl(fd, F_SETFL, flags);
373 } 373 }
374 374
375 /* 375 /*
376 Read len bytes from the input. If no bytes are available after 376 Read len bytes from the input. If no bytes are available after
377 10 ms, return error. 377 100 ms, return error.
378 378
379 This *may* allow a timeout longer than 10ms. However, it will 379 This *may* allow a timeout longer than 10ms. However, it will
380 eventually time out. In the worse case, it is more permissive 380 eventually time out. In the worse case, it is more permissive
381 than the specification. It will not time out before 10ms elapses. 381 than the specification. It will not time out before 10ms elapses.
382 382
439 439
440 // now wait for the descriptor to be readable 440 // now wait for the descriptor to be readable
441 FD_ZERO(&fdset); 441 FD_ZERO(&fdset);
442 FD_SET(0, &fdset); 442 FD_SET(0, &fdset);
443 timeout.tv_sec = 0; 443 timeout.tv_sec = 0;
444 timeout.tv_usec = 10000 * itimeout; 444 timeout.tv_usec = 100000 * itimeout;
445 445
446 rv = select(1, &fdset, NULL, NULL, &timeout); 446 rv = select(1, &fdset, NULL, NULL, &timeout);
447 if (rv < 0) 447 if (rv < 0)
448 { 448 {
449 // this is a last ditch effort to not break completely 449 // this is a last ditch effort to not break completely