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-rw-r--r--src/os/unix/ngx_os.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/os/unix/ngx_os.h b/src/os/unix/ngx_os.h
index d9a1a4560..c4da5cdbd 100644
--- a/src/os/unix/ngx_os.h
+++ b/src/os/unix/ngx_os.h
@@ -47,6 +47,7 @@ ngx_chain_t *ngx_writev_chain(ngx_connection_t *c, ngx_chain_t *in,
extern ngx_os_io_t ngx_os_io;
+extern int ngx_ncpu;
extern int ngx_max_sockets;
extern int ngx_inherited_nonblocking;