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-rw-r--r--share/man/man9/mutex.92
-rw-r--r--share/man/man9/sx.93
2 files changed, 5 insertions, 0 deletions
diff --git a/share/man/man9/mutex.9 b/share/man/man9/mutex.9
index 4ea7e542adab..fe0ac36b77ee 100644
--- a/share/man/man9/mutex.9
+++ b/share/man/man9/mutex.9
@@ -50,6 +50,8 @@
.Nm mtx_assert
.Nd kernel synchronization primitives
.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <sys/lock.h>
.Fd #include <sys/mutex.h>
.Ft int
.Fn mtx_init "struct mtx *mutex" "char *name" "int opts"
diff --git a/share/man/man9/sx.9 b/share/man/man9/sx.9
index 07a822a911a5..63101b19824b 100644
--- a/share/man/man9/sx.9
+++ b/share/man/man9/sx.9
@@ -39,6 +39,9 @@
.Nm sx_xunlock
.Nd kernel shared/exclusive lock.
.Sh SYNOPSIS
+.Fd #include <sys/types.h>
+.Fd #include <sys/lock.h>
+.Fd #include <sys/mutex.h>
.Fd #include <sys/sx.h>
.Ft void
.Fn sx_init "struct sx *sx" "const char *description"