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Use PTHREAD_THREADS_MAX if available

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Stops us deadlocking on OpenBSD if we need more than 4 threads.

Fixes #6503
This commit is contained in:
Fabian Homborg
2020-01-18 09:06:12 +01:00
parent b62fa53807
commit ca08cc331b
1 changed files with 6 additions and 0 deletions
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6
src/iothread.cpp
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@@ -21,11 +21,17 @@
#include "global_safety.h"
#include "wutil.h"
#ifdef PTHREAD_THREADS_MAX
#if PTHREAD_THREADS_MAX < 64
#define IO_MAX_THREADS PTHREAD_THREADS_MAX
#endif
#else
#ifdef _POSIX_THREAD_THREADS_MAX
#if _POSIX_THREAD_THREADS_MAX < 64
#define IO_MAX_THREADS _POSIX_THREAD_THREADS_MAX
#endif
#endif
#endif
#ifndef IO_MAX_THREADS
#define IO_MAX_THREADS 64