diff options
Diffstat (limited to 'libssh/poll.c')
| -rw-r--r-- | libssh/poll.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/libssh/poll.c b/libssh/poll.c index 42da4aa..ac86750 100644 --- a/libssh/poll.c +++ b/libssh/poll.c @@ -39,6 +39,9 @@ #define SSH_POLL_CTX_CHUNK 5 #endif +/** global poll context used for blocking operations */ +static ssh_poll_ctx global_poll_ctx; + struct ssh_poll_handle_struct { ssh_poll_ctx ctx; union { @@ -580,3 +583,31 @@ int ssh_poll_ctx_dopoll(ssh_poll_ctx ctx, int timeout) { return rc; } + +/** @internal + * @brief returns a pointer to the global poll context. + * Allocates it if it does not exist. + * @param session an optional session handler, used to store the error + * message if needed. + * @returns pointer to the global poll context. + */ +ssh_poll_ctx ssh_get_global_poll_ctx(ssh_session session){ + if(global_poll_ctx != NULL) + return global_poll_ctx; + global_poll_ctx=ssh_poll_ctx_new(5); + if(global_poll_ctx == NULL && session != NULL){ + ssh_set_error_oom(session); + return NULL; + } + return global_poll_ctx; +} + +/** @internal + * @brief Deallocate the global poll context + */ +void ssh_free_global_poll_ctx(){ + if(global_poll_ctx != NULL){ + ssh_poll_ctx_free(global_poll_ctx); + global_poll_ctx=NULL; + } +} |