The functions rand(), rand_r() and srand() are thread safe.
Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx>
---
man3/rand.3 | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/man3/rand.3 b/man3/rand.3
index afa41a7..62e6331 100644
--- a/man3/rand.3
+++ b/man3/rand.3
@@ -81,7 +81,7 @@ function is automatically seeded with a value of 1.
.PP
The function
.BR rand ()
-is not reentrant or thread-safe, since it
+is not reentrant, since it
uses hidden state that is modified on each call.
This might just be the seed value to be used by the next call,
or it might be something more elaborate.
@@ -126,6 +126,20 @@ functions return a value between 0 and
The
.BR srand ()
function returns no value.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lbw25 lb lb
+l l l.
+Interface Attribute Value
+T{
+.BR rand (),
+.BR rand_r (),
+.BR srand ()
+T} Thread safety MT-Safe
+.TE
.SH CONFORMING TO
The functions
.BR rand ()
--
1.9.3
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