The functions drand48(), erand48(), lrand48(), nrand48(), mrand48(), jrand48(), srand48(), seed48() and lcong48() are not thread safe. Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx> --- man3/drand48.3 | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/man3/drand48.3 b/man3/drand48.3 index 3dad8fc..d65ae3d 100644 --- a/man3/drand48.3 +++ b/man3/drand48.3 @@ -201,6 +201,21 @@ has been called, a subsequent call to either or .BR seed48 () will restore the standard values of \fIa\fP and \fIc\fP. +.SH ATTRIBUTES +.SS Multithreading (see pthreads(7)) +The +.BR drand48 (), +.BR erand48 (), +.BR lrand48 (), +.BR nrand48 (), +.BR mrand48 (), +.BR jrand48 (), +.BR srand48 (), +.BR seed48 (), +and +.BR lcong48 () +functions use a global state of the random number generator, +so they are not thread-safe. .SH CONFORMING TO SVr4, POSIX.1-2001. .SH NOTES -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
