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| author | Piotr Sikora <piotr@aviatrix.com> | 2024-02-26 20:00:40 +0000 |
|---|---|---|
| committer | Piotr Sikora <piotr@aviatrix.com> | 2024-02-26 20:00:40 +0000 |
| commit | 1bc19fe2db3afc7a72eb0a91e554aee9160e0d00 (patch) | |
| tree | 56705869fee3caeff386a8102dc16caa07753957 /src/os/unix/ngx_posix_init.c | |
| parent | 818f98da1c46785bc23a99efff653febb1e35ac2 (diff) | |
| download | nginx-1bc19fe2db3afc7a72eb0a91e554aee9160e0d00.tar.gz nginx-1bc19fe2db3afc7a72eb0a91e554aee9160e0d00.zip | |
Detect cache line size at runtime on macOS.
Notably, Apple Silicon CPUs have 128 byte cache line size,
which is twice the default configured for generic aarch64.
Signed-off-by: Piotr Sikora <piotr@aviatrix.com>
Diffstat (limited to 'src/os/unix/ngx_posix_init.c')
| -rw-r--r-- | src/os/unix/ngx_posix_init.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/os/unix/ngx_posix_init.c b/src/os/unix/ngx_posix_init.c index 7824735d0..6ac931c0c 100644 --- a/src/os/unix/ngx_posix_init.c +++ b/src/os/unix/ngx_posix_init.c @@ -51,7 +51,10 @@ ngx_os_init(ngx_log_t *log) } ngx_pagesize = getpagesize(); - ngx_cacheline_size = NGX_CPU_CACHE_LINE; + + if (ngx_cacheline_size == 0) { + ngx_cacheline_size = NGX_CPU_CACHE_LINE; + } for (n = ngx_pagesize; n >>= 1; ngx_pagesize_shift++) { /* void */ } |