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Make fiber_pool more conservative on platforms with limited address space.

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We use COROUTINE_LIMITED_ADDRESS_SPACE to select platforms where address
space is 32-bits or less. Fiber pool implementation enables more book
keeping, and reduces upper limits, in order to minimise address space
utilisation.
This commit is contained in:
Samuel Williams 2019-07-16 16:11:55 +12:00
parent 385ea910fc
commit 001f187ed6
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6 changed files with 23 additions and 12 deletions
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4
coroutine/copy/Context.h
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@ -16,6 +16,10 @@
#define COROUTINE __attribute__((noreturn)) void
#if INTPTR_MAX <= INT32_MAX
#define COROUTINE_LIMITED_ADDRESS_SPACE
#endif
// This stack copying implementation which uses a private stack for each coroutine, including the main one.
#define COROUTINE_PRIVATE_STACK