diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/zmq_init.txt | 5 | ||||
| -rw-r--r-- | doc/zmq_socket.txt | 13 |
2 files changed, 8 insertions, 10 deletions
diff --git a/doc/zmq_init.txt b/doc/zmq_init.txt index 04bbbc8..4f1def1 100644 --- a/doc/zmq_init.txt +++ b/doc/zmq_init.txt @@ -20,6 +20,11 @@ The 'io_threads' argument specifies the size of the 0MQ thread pool to handle I/O operations. If your application is using only the 'inproc' transport for messaging you may set this to zero, otherwise set it to at least one. +.Thread safety +A 0MQ 'context' is thread safe and may be shared among as many application +threads as necessary, without any additional locking required on the part of +the caller. + RETURN VALUE ------------ diff --git a/doc/zmq_socket.txt b/doc/zmq_socket.txt index da41ad7..99fe7ad 100644 --- a/doc/zmq_socket.txt +++ b/doc/zmq_socket.txt @@ -47,16 +47,9 @@ incoming connections *from multiple endpoints* bound to the socket using _zmq_bind()_, thus allowing many-to-many relationships. .Thread safety -A 0MQ 'context' is thread safe and may be shared among as many application -threads as necessary, without any additional locking required on the part of -the caller. - -Individual 0MQ 'sockets' are _not_ thread safe except in the case where full -memory barriers are issued when migrating a socket from one thread to another. -In practice this means applications can create a socket in one thread with -_zmq_socket()_ and then pass it to a _newly created_ thread as part of thread -initialization, for example via a structure passed as an argument to -_pthread_create()_. +0MQ 'sockets' are _not_ thread safe. Applications MUST NOT use a socket +from multiple threads except after migrating a socket from one thread to +another with a "full fence" memory barrier. .Socket types The following sections present the socket types defined by 0MQ, grouped by the |