diff options
Diffstat (limited to 'winsup/cygwin/msg.cc')
| -rw-r--r-- | winsup/cygwin/msg.cc | 222 |
1 files changed, 0 insertions, 222 deletions
diff --git a/winsup/cygwin/msg.cc b/winsup/cygwin/msg.cc deleted file mode 100644 index d226cc0c0..000000000 --- a/winsup/cygwin/msg.cc +++ /dev/null @@ -1,222 +0,0 @@ -/* msg.cc: XSI IPC interface for Cygwin. - - Copyright 2003 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#include "winsup.h" -#include "cygerrno.h" -#include <signal.h> -#ifdef USE_SERVER -#include <sys/types.h> -#include <stdio.h> -#include <unistd.h> - -#include "sigproc.h" - -#include "cygserver_ipc.h" -#include "cygserver_msg.h" - -/* - * client_request_msg Constructors - */ - -client_request_msg::client_request_msg (int msqid, - int cmd, - struct msqid_ds *buf) - : client_request (CYGSERVER_REQUEST_MSG, &_parameters, sizeof (_parameters)) -{ - _parameters.in.msgop = MSGOP_msgctl; - ipc_set_proc_info (_parameters.in.ipcblk); - - _parameters.in.ctlargs.msqid = msqid; - _parameters.in.ctlargs.cmd = cmd; - _parameters.in.ctlargs.buf = buf; - - msglen (sizeof (_parameters.in)); -} - -client_request_msg::client_request_msg (key_t key, - int msgflg) - : client_request (CYGSERVER_REQUEST_MSG, &_parameters, sizeof (_parameters)) -{ - _parameters.in.msgop = MSGOP_msgget; - ipc_set_proc_info (_parameters.in.ipcblk); - - _parameters.in.getargs.key = key; - _parameters.in.getargs.msgflg = msgflg; - - msglen (sizeof (_parameters.in)); -} - -client_request_msg::client_request_msg (int msqid, - void *msgp, - size_t msgsz, - long msgtyp, - int msgflg) - : client_request (CYGSERVER_REQUEST_MSG, &_parameters, sizeof (_parameters)) -{ - _parameters.in.msgop = MSGOP_msgrcv; - ipc_set_proc_info (_parameters.in.ipcblk); - - _parameters.in.rcvargs.msqid = msqid; - _parameters.in.rcvargs.msgp = msgp; - _parameters.in.rcvargs.msgsz = msgsz; - _parameters.in.rcvargs.msgtyp = msgtyp; - _parameters.in.rcvargs.msgflg = msgflg; - - msglen (sizeof (_parameters.in)); -} - -client_request_msg::client_request_msg (int msqid, - const void *msgp, - size_t msgsz, - int msgflg) - : client_request (CYGSERVER_REQUEST_MSG, &_parameters, sizeof (_parameters)) -{ - _parameters.in.msgop = MSGOP_msgsnd; - ipc_set_proc_info (_parameters.in.ipcblk); - - _parameters.in.sndargs.msqid = msqid; - _parameters.in.sndargs.msgp = msgp; - _parameters.in.sndargs.msgsz = msgsz; - _parameters.in.sndargs.msgflg = msgflg; - - msglen (sizeof (_parameters.in)); -} -#endif /* USE_SERVER */ - -/* - * XSI message queue API. These are exported by the DLL. - */ - -extern "C" int -msgctl (int msqid, int cmd, struct msqid_ds *buf) -{ -#ifdef USE_SERVER - syscall_printf ("msgctl (msqid = %d, cmd = 0x%x, buf = %p)", - msqid, cmd, buf); - switch (cmd) - { - case IPC_STAT: - if (__check_null_invalid_struct_errno (buf, sizeof *buf)) - return -1; - break; - case IPC_SET: - if (__check_invalid_read_ptr_errno (buf, sizeof *buf)) - return -1; - break; - case IPC_RMID: - break; - case IPC_INFO: - /* msqid == 0: Request for msginfo struct. */ - if (!msqid - && __check_null_invalid_struct_errno (buf, sizeof (struct msginfo))) - return -1; - /* Otherwise, request msqid entries from internal msqid_ds array. */ - if (msqid) - if (__check_null_invalid_struct_errno (buf, msqid * sizeof (struct msqid_ds))) - return -1; - break; - case MSG_INFO: - if (__check_null_invalid_struct_errno (buf, sizeof (struct msg_info))) - return -1; - break; - default: - syscall_printf ("-1 [%d] = msgctl ()", EINVAL); - set_errno (EINVAL); - return -1; - } - client_request_msg request (msqid, cmd, buf); - if (request.make_request () == -1 || request.retval () == -1) - { - syscall_printf ("-1 [%d] = msgctl ()", request.error_code ()); - set_errno (request.error_code ()); - if (request.error_code () == ENOSYS) - raise (SIGSYS); - return -1; - } - return request.retval (); -#else - set_errno (ENOSYS); - raise (SIGSYS); - return -1; -#endif -} - -extern "C" int -msgget (key_t key, int msgflg) -{ -#ifdef USE_SERVER - syscall_printf ("msgget (key = %U, msgflg = 0x%x)", key, msgflg); - client_request_msg request (key, msgflg); - if (request.make_request () == -1 || request.retval () == -1) - { - syscall_printf ("-1 [%d] = msgget ()", request.error_code ()); - set_errno (request.error_code ()); - if (request.error_code () == ENOSYS) - raise (SIGSYS); - return -1; - } - return request.retval (); -#else - set_errno (ENOSYS); - raise (SIGSYS); - return -1; -#endif -} - -extern "C" ssize_t -msgrcv (int msqid, void *msgp, size_t msgsz, long msgtyp, int msgflg) -{ -#ifdef USE_SERVER - syscall_printf ("msgrcv (msqid = %d, msgp = %p, msgsz = %d, " - "msgtyp = %d, msgflg = 0x%x)", - msqid, msgp, msgsz, msgtyp, msgflg); - if (__check_null_invalid_struct_errno (msgp, msgsz)) - return -1; - client_request_msg request (msqid, msgp, msgsz, msgtyp, msgflg); - if (request.make_request () == -1 || request.rcvval () == -1) - { - syscall_printf ("-1 [%d] = msgrcv ()", request.error_code ()); - set_errno (request.error_code ()); - if (request.error_code () == ENOSYS) - raise (SIGSYS); - return -1; - } - return request.rcvval (); -#else - set_errno (ENOSYS); - raise (SIGSYS); - return -1; -#endif -} - -extern "C" int -msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg) -{ -#ifdef USE_SERVER - syscall_printf ("msgsnd (msqid = %d, msgp = %p, msgsz = %d, msgflg = 0x%x)", - msqid, msgp, msgsz, msgflg); - if (__check_invalid_read_ptr_errno (msgp, msgsz)) - return -1; - client_request_msg request (msqid, msgp, msgsz, msgflg); - if (request.make_request () == -1 || request.retval () == -1) - { - syscall_printf ("-1 [%d] = msgsnd ()", request.error_code ()); - set_errno (request.error_code ()); - if (request.error_code () == ENOSYS) - raise (SIGSYS); - return -1; - } - return request.retval (); -#else - set_errno (ENOSYS); - raise (SIGSYS); - return -1; -#endif -} |