From 1c48b5a62f73234ed26bb20f0ab345ab61cda0ab Mon Sep 17 00:00:00 2001 From: Stephen Gallagher Date: Thu, 18 Feb 2010 07:49:04 -0500 Subject: Rename server/ directory to src/ Also update BUILD.txt --- src/providers/child_common.h | 73 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/providers/child_common.h (limited to 'src/providers/child_common.h') diff --git a/src/providers/child_common.h b/src/providers/child_common.h new file mode 100644 index 000000000..a441df3c5 --- /dev/null +++ b/src/providers/child_common.h @@ -0,0 +1,73 @@ +/* + SSSD + + Common helper functions to be used in child processes + + Authors: + Sumit Bose + + Copyright (C) 2009 Red Hat + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +#ifndef __CHILD_COMMON_H__ +#define __CHILD_COMMON_H__ + +#include +#include +#include +#include + +#include "util/util.h" + +#define IN_BUF_SIZE 512 +#define MAX_CHILD_MSG_SIZE 255 + +struct response { + size_t max_size; + size_t size; + uint8_t *buf; +}; + +struct io_buffer { + uint8_t *data; + size_t size; +}; + +/* Async communication with the child process via a pipe */ +struct tevent_req *write_pipe_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, + uint8_t *buf, size_t len, int fd); +int write_pipe_recv(struct tevent_req *req); + +struct tevent_req *read_pipe_send(TALLOC_CTX *mem_ctx, + struct tevent_context *ev, int fd); +int read_pipe_recv(struct tevent_req *req, TALLOC_CTX *mem_ctx, + uint8_t **buf, ssize_t *len); + +/* The pipes to communicate with the child must be nonblocking */ +void fd_nonblocking(int fd); + +void child_sig_handler(struct tevent_context *ev, + struct tevent_signal *sige, int signum, + int count, void *__siginfo, void *pvt); + +errno_t exec_child(TALLOC_CTX *mem_ctx, + int *pipefd_to_child, int *pipefd_from_child, + const char *binary, int debug_fd); + +void child_cleanup(int readfd, int writefd); + +#endif /* __CHILD_COMMON_H__ */ -- cgit