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| author | davidxu <davidxu@FreeBSD.org> | 2006-08-08 04:42:41 +0000 |
|---|---|---|
| committer | davidxu <davidxu@FreeBSD.org> | 2006-08-08 04:42:41 +0000 |
| commit | cfa46376c709e58e6cdbe41e2d8674dc0ee29184 (patch) | |
| tree | b35cd73f8796696f70ac2128fab255ddaa5c9969 /lib/libthr/thread/thr_init.c | |
| parent | ae9a521b0529c447bd5d6355a0690c7b2af3ad5c (diff) | |
| download | FreeBSD-src-cfa46376c709e58e6cdbe41e2d8674dc0ee29184.zip FreeBSD-src-cfa46376c709e58e6cdbe41e2d8674dc0ee29184.tar.gz | |
Get number of CPUs and ignore spin count on single processor machine.
Diffstat (limited to 'lib/libthr/thread/thr_init.c')
| -rw-r--r-- | lib/libthr/thread/thr_init.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/libthr/thread/thr_init.c b/lib/libthr/thread/thr_init.c index 1150985..5d1aae5 100644 --- a/lib/libthr/thread/thr_init.c +++ b/lib/libthr/thread/thr_init.c @@ -99,6 +99,7 @@ struct pthread_cond_attr _pthread_condattr_default = { }; pid_t _thr_pid; +int _thr_smp_cpus = 1; size_t _thr_guard_default; size_t _thr_stack_default = THR_STACK_DEFAULT; size_t _thr_stack_initial = THR_STACK_INITIAL; @@ -443,6 +444,8 @@ init_private(void) len = sizeof (_usrstack); if (sysctl(mib, 2, &_usrstack, &len, NULL, 0) == -1) PANIC("Cannot get kern.usrstack from sysctl"); + len = sizeof(_thr_smp_cpus); + sysctlbyname("kern.smp.cpus", &_thr_smp_cpus, &len, NULL, 0); _thr_page_size = getpagesize(); _thr_guard_default = _thr_page_size; _pthread_attr_default.guardsize_attr = _thr_guard_default; |
