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-rw-r--r--src/os/unix/ngx_linux.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/os/unix/ngx_linux.h b/src/os/unix/ngx_linux.h
index a5fc9d907..b3e415571 100644
--- a/src/os/unix/ngx_linux.h
+++ b/src/os/unix/ngx_linux.h
@@ -5,5 +5,7 @@
ngx_chain_t *ngx_linux_sendfile_chain(ngx_connection_t *c, ngx_chain_t *in,
off_t limit);
+extern int ngx_linux_rtsig_max;
+
#endif /* _NGX_LINUX_H_INCLUDED_ */