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5bee3e2f47
Since commit 7ac0e35f2 in 1.9-dev1 ("MAJOR: fd: compute the new fd polling
state out of the fd lock") we've started to update the FD POLLED bit a
bit more aggressively. Lately with the removal of the FD cache, this bit
is always equal to the ACTIVE bit. There's no point continuing to watch
it and update it anymore, all it does is create confusion and complicate
the code. One interesting side effect is that it now becomes visible that
all fd_*_{send,recv}() operations systematically call updt_fd_polling(),
except fd_cant_recv()/fd_cant_send() which never saw it change.
65 lines
2.5 KiB
Plaintext
65 lines
2.5 KiB
Plaintext
#FIG 3.2 Produced by xfig version 3.2.7a
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Portrait
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Center
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Metric
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A4
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100.00
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Single
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-2
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1200 2
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6 2520 990 4725 3645
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4 0 0 50 -1 16 10 0.0000 4 150 855 2520 1125 R=ready flag\001
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4 0 0 50 -1 16 10 0.0000 4 150 885 2520 1290 A=active flag\001
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4 0 0 50 -1 16 10 0.0000 4 150 1365 2520 2475 fd_want sets A flag\001
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4 0 0 50 -1 16 10 0.0000 4 150 1440 2520 2640 fd_stop clears A flag\001
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4 0 0 50 -1 16 10 0.0000 4 150 1995 2520 3465 fd_done does what's best to\001
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4 0 0 50 -1 16 10 0.0000 4 120 2025 2700 3630 minimize the amount of work.\001
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4 0 0 50 -1 16 10 0.0000 4 150 1905 2520 3300 update() updates the poller.\001
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4 0 0 50 -1 16 10 0.0000 4 150 2190 2520 2970 fd_cant clears R flag (EAGAIN)\001
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4 0 0 50 -1 16 10 0.0000 4 150 2115 2520 3135 fd_rdy sets R flag (poll return)\001
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-6
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1125 1350 1125 1800
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1125 2250 1125 2700
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1125 3150 1125 3600
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1575 1800 1575 1350
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1575 3600 1575 3150
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2 4 0 1 0 7 51 -1 20 0.000 0 0 7 0 0 5
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1800 1350 900 1350 900 900 1800 900 1800 1350
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2 4 0 1 0 7 51 -1 20 0.000 0 0 7 0 0 5
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1800 2250 900 2250 900 1800 1800 1800 1800 2250
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2 4 0 1 0 7 51 -1 20 0.000 0 0 7 0 0 5
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1800 4050 900 4050 900 3600 1800 3600 1800 4050
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2 4 0 1 0 7 51 -1 20 0.000 0 0 7 0 0 5
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1800 3150 900 3150 900 2700 1800 2700 1800 3150
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1350 450 1350 900
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2 1 0 1 0 7 50 -1 -1 0.000 1 0 -1 1 0 2
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1 1 1.00 90.00 180.00
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1575 2700 1575 2250
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4 2 0 50 -1 16 8 0.0000 4 105 270 1080 1485 want\001
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4 2 0 50 -1 16 8 0.0000 4 120 255 1035 3285 stop\001
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4 0 0 50 -1 16 8 0.0000 4 105 270 1665 3510 want\001
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4 1 0 50 -1 16 10 0.0000 4 120 735 1350 1080 STOPPED\001
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4 1 0 50 -1 16 10 0.0000 4 120 795 1350 3780 DISABLED\001
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4 1 0 50 -1 16 10 0.0000 4 120 555 1350 2880 ACTIVE\001
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4 1 0 50 -1 16 10 0.0000 4 120 540 1350 1980 READY\001
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4 0 0 50 -1 16 8 0.0000 4 90 210 1665 2565 may\001
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4 2 0 50 -1 16 8 0.0000 4 105 240 1035 2430 cant\001
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4 1 0 50 -1 16 8 0.0000 4 120 240 1350 1260 R,!A\001
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4 1 0 50 -1 16 8 0.0000 4 120 210 1350 2160 R,A\001
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4 1 0 50 -1 16 8 0.0000 4 120 240 1350 3060 !R,A\001
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4 1 0 50 -1 16 8 0.0000 4 120 270 1350 3960 !R,!A\001
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4 0 0 50 -1 16 8 0.0000 4 120 255 1665 1710 stop\001
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4 2 0 50 -1 16 8 0.0000 4 105 285 1035 2610 done\001
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