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Marco Realacci 2025-04-03 01:00:03 +02:00
parent 57a24ed0b0
commit 10ecadf7c6
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33
Concurrent Systems/test/Untitled.md
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@ -34,36 +34,3 @@ end_write() :=
GLOB_MUTEX.up() GLOB_MUTEX.up()
return return
``` ```
```
monitor RW_READERS :=
AR, WR, AW, WW, R_batch init at 0
condition CR, CW
operation begin_read() :=
WR++
if (WW || AW != 0 then
CR.wait()
CR.signal()
AR++
WR--
operation end_read() :=
AR--
if AR = 0 then
CW.signal()
operation begin_write() :=
WW++
if (AR + AW != 0) then
CW.wait()
AW++
WW--
operation end_write() :=
AW--
if WR > 0 then
CR.signal()
else
CW.signal()
```