The function mmap() and munmap() are thread safe.
Signed-off-by: Ma Shimiao <mashimiao.fnst@xxxxxxxxxxxxxx>
---
man2/mmap.2 | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/man2/mmap.2 b/man2/mmap.2
index 295df3d..f948866 100644
--- a/man2/mmap.2
+++ b/man2/mmap.2
@@ -492,6 +492,19 @@ Attempted write into a region mapped as read-only.
Attempted access to a portion of the buffer that does not correspond
to the file (for example, beyond the end of the file, including the
case where another process has truncated the file).
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw18 lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR mmap (),
+.BR munmap ()
+T} Thread safety MT-Safe
+.TE
.SH CONFORMING TO
SVr4, 4.4BSD, POSIX.1-2001.
.\" SVr4 documents additional error codes ENXIO and ENODEV.
--
1.8.3.1
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