March 2020
Intermediate to advanced
406 pages
8h 39m
English
Content preview from Hands-On High Performance with Go
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The G struct
This struct is labeled G for goroutine. The G struct represents the stack parameters of a single goroutine. It includes information on a couple of different parameters that are important for a goroutine. G structs get created for every new goroutine, as well as goroutines for the runtime. Some notable G struct parameters are the following:
- The current value of the stack pointers (stack.lo and stack.hi)
- The current value of the Go and C stack growth prologues (stackguard0 and stackguard1)
- The current value of the M struct (m)
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