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| -rw-r--r-- | pod/perlthrtut.pod | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/pod/perlthrtut.pod b/pod/perlthrtut.pod index 7cac46fc55..517fdd1b86 100644 --- a/pod/perlthrtut.pod +++ b/pod/perlthrtut.pod @@ -985,9 +985,10 @@ Further examples of process-scope changes include umask() and changing uids/gids. Thinking of mixing fork() and threads? Please lie down and wait -until the feeling passes-- but in case you really want to know, -the semantics is that fork() duplicates all the threads. -(In UNIX, at least, other platforms will do something different.) +until the feeling passes. Be aware that the semantics of fork() vary +between platforms. For example, some UNIX systems copy all the current +threads into the child process, while others only copy the thread that +called fork(). You have been warned! Similarly, mixing signals and threads should not be attempted. Implementations are platform-dependent, and even the POSIX |