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MINOR: thread: rely on the cpuset functions to count bound CPUs

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let's just clean up the thread_cpus_enabled() code a little bit
by removing the OS-specific code and rely on ha_cpuset_detect_bound()
instead. On macos we continue to use sysconf() for now.
This commit is contained in:
Willy Tarreau 2023-07-11 17:03:09 +02:00
parent 3f83b78961
commit 3a0e03bd4c
1 changed files with 5 additions and 16 deletions
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21
src/thread.c
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@ -27,10 +27,6 @@
#ifdef USE_CPU_AFFINITY
# include <sched.h>
# if defined(__FreeBSD__) || defined(__DragonFly__)
# include <sys/param.h>
# ifdef __FreeBSD__
# include <sys/cpuset.h>
# endif
# include <pthread_np.h>
# endif
# ifdef __APPLE__
@ -380,20 +376,13 @@ void ha_rwlock_init(HA_RWLOCK_T *l)
static int thread_cpus_enabled()
{
int ret = 1;
#ifdef USE_CPU_AFFINITY
#if defined(__linux__) && defined(CPU_COUNT)
cpu_set_t mask;
struct hap_cpuset set = { };
if (sched_getaffinity(0, sizeof(mask), &mask) == 0)
ret = CPU_COUNT(&mask);
#elif defined(__FreeBSD__) && defined(USE_CPU_AFFINITY)
cpuset_t cpuset;
if (cpuset_getaffinity(CPU_LEVEL_CPUSET, CPU_WHICH_PID, -1,
sizeof(cpuset), &cpuset) == 0)
ret = CPU_COUNT(&cpuset);
#elif defined(__APPLE__)
ret = (int)sysconf(_SC_NPROCESSORS_ONLN);
ret = ha_cpuset_detect_bound(&set);
#if defined(__APPLE__)
if (!ret)
ret = (int)sysconf(_SC_NPROCESSORS_ONLN);
#endif
#endif
ret = MAX(ret, 1);