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author | marha <marha@users.sourceforge.net> | 2009-07-25 20:12:58 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-07-25 20:12:58 +0000 |
commit | 2553bdd7c359cd87525d367761c86932cec5adff (patch) | |
tree | ae71245933c98474a699d3e392de5820879b2018 /xorg-server/hw/xquartz/mach-startup/launchd_fd.c | |
parent | e2c51f2ee7b0a3ea1a052fc49324057b4a4bbc78 (diff) | |
parent | 4a3dbb926ae3f5410198d7cc4f4ebe4f62eebf05 (diff) | |
download | vcxsrv-2553bdd7c359cd87525d367761c86932cec5adff.tar.gz vcxsrv-2553bdd7c359cd87525d367761c86932cec5adff.tar.bz2 vcxsrv-2553bdd7c359cd87525d367761c86932cec5adff.zip |
svn merge file:///D:/svnrepos/vcxsrv/branches/released .
Diffstat (limited to 'xorg-server/hw/xquartz/mach-startup/launchd_fd.c')
-rw-r--r-- | xorg-server/hw/xquartz/mach-startup/launchd_fd.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/xorg-server/hw/xquartz/mach-startup/launchd_fd.c b/xorg-server/hw/xquartz/mach-startup/launchd_fd.c new file mode 100644 index 000000000..44a243a58 --- /dev/null +++ b/xorg-server/hw/xquartz/mach-startup/launchd_fd.c @@ -0,0 +1,82 @@ +/* Copyright (c) 2008 Apple Inc. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT + * HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name(s) of the above + * copyright holders shall not be used in advertising or otherwise to + * promote the sale, use or other dealings in this Software without + * prior written authorization. + */ + +#include <launch.h> +#include <stdio.h> +#include <errno.h> + +#include "launchd_fd.h" + +int launchd_display_fd() { + launch_data_t sockets_dict, checkin_request, checkin_response; + launch_data_t listening_fd_array, listening_fd; + + /* Get launchd fd */ + if ((checkin_request = launch_data_new_string(LAUNCH_KEY_CHECKIN)) == NULL) { + fprintf(stderr,"launch_data_new_string(\"" LAUNCH_KEY_CHECKIN "\") Unable to create string.\n"); + return ERROR_FD; + } + + if ((checkin_response = launch_msg(checkin_request)) == NULL) { + fprintf(stderr,"launch_msg(\"" LAUNCH_KEY_CHECKIN "\") IPC failure: %s\n",strerror(errno)); + return ERROR_FD; + } + + if (LAUNCH_DATA_ERRNO == launch_data_get_type(checkin_response)) { + // ignore EACCES, which is common if we weren't started by launchd + if (launch_data_get_errno(checkin_response) != EACCES) + fprintf(stderr,"launchd check-in failed: %s\n", strerror(launch_data_get_errno(checkin_response))); + return ERROR_FD; + } + + sockets_dict = launch_data_dict_lookup(checkin_response, LAUNCH_JOBKEY_SOCKETS); + if (NULL == sockets_dict) { + fprintf(stderr,"launchd check-in: no sockets found to answer requests on!\n"); + return ERROR_FD; + } + + if (launch_data_dict_get_count(sockets_dict) > 1) { + fprintf(stderr,"launchd check-in: some sockets will be ignored!\n"); + return ERROR_FD; + } + + listening_fd_array = launch_data_dict_lookup(sockets_dict, ":0"); + if (NULL == listening_fd_array) { + fprintf(stderr,"launchd check-in: No known sockets found to answer requests on!\n"); + return ERROR_FD; + } + + if (launch_data_array_get_count(listening_fd_array)!=1) { + fprintf(stderr,"launchd check-in: Expected 1 socket from launchd, got %u)\n", + (unsigned)launch_data_array_get_count(listening_fd_array)); + return ERROR_FD; + } + + listening_fd=launch_data_array_get_index(listening_fd_array, 0); + return launch_data_get_fd(listening_fd); +} |