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| author | Garrett D'Amore <garrett@damore.org> | 2023-12-29 19:09:24 -0800 |
|---|---|---|
| committer | Garrett D'Amore <garrett@damore.org> | 2023-12-29 19:09:24 -0800 |
| commit | d0e30d8d70931ff0ba2d936ba35996e2f4e62ee5 (patch) | |
| tree | 4a7d32a0c713926967bb23339a760d91adc814f3 /CMakeLists.txt | |
| parent | 3298ac1e93742e7a1ef5c4dc2e9b603dfa89d3cb (diff) | |
| download | nng-d0e30d8d70931ff0ba2d936ba35996e2f4e62ee5.tar.gz nng-d0e30d8d70931ff0ba2d936ba35996e2f4e62ee5.tar.bz2 nng-d0e30d8d70931ff0ba2d936ba35996e2f4e62ee5.zip | |
provide NNG_MAX_POLLER_THREADS
This (defaults to 8) sets a limit on the number of poller threads
that will be used for servicing I/Os. This is the size of the
I/O completion port thread pool on Windows. POSIX pollers are generally
not concurrent at present.
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 04cc14de..226bb2eb 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -138,6 +138,14 @@ if (NNG_MAX_EXPIRE_THREADS) add_definitions(-DNNG_MAX_EXPIRE_THREADS=${NNG_MAX_EXPIRE_THREADS}) endif() +# Poller threads. These threads run the pollers. This is mostly used +# on Windows right now, as the POSIX platforms use a single threaded poller. +set(NNG_MAX_POLLER_THREADS 8 CACHE STRING "Upper bound on I/O poller threads, 0 for no limit") +mark_as_advanced(NNG_MAX_POLLER_THREADS) +if (NNG_MAX_POLLER_THREADS) + add_definitions(-DNNG_MAX_POLLER_THREADS=${NNG_MAX_POLLER_THREADS}) +endif() + # Platform checks. if (CMAKE_C_COMPILER_ID STREQUAL "GNU") |