rumpclient.h revision 1.2.2.2
1 1.2.2.2 bouyer /* $NetBSD: rumpclient.h,v 1.2.2.2 2011/02/17 11:59:23 bouyer Exp $ */ 2 1.1 pooka 3 1.1 pooka /*- 4 1.1 pooka * Copyright (c) 2010 Antti Kantee. All Rights Reserved. 5 1.1 pooka * 6 1.1 pooka * Redistribution and use in source and binary forms, with or without 7 1.1 pooka * modification, are permitted provided that the following conditions 8 1.1 pooka * are met: 9 1.1 pooka * 1. Redistributions of source code must retain the above copyright 10 1.1 pooka * notice, this list of conditions and the following disclaimer. 11 1.1 pooka * 2. Redistributions in binary form must reproduce the above copyright 12 1.1 pooka * notice, this list of conditions and the following disclaimer in the 13 1.1 pooka * documentation and/or other materials provided with the distribution. 14 1.1 pooka * 15 1.1 pooka * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 16 1.1 pooka * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 17 1.1 pooka * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 18 1.1 pooka * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 1.1 pooka * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 1.1 pooka * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21 1.1 pooka * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 1.1 pooka * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 1.1 pooka * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 1.1 pooka * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 1.1 pooka * SUCH DAMAGE. 26 1.1 pooka */ 27 1.1 pooka 28 1.1 pooka #ifndef _RUMP_RUMPCLIENT_H_ 29 1.1 pooka #define _RUMP_RUMPCLIENT_H_ 30 1.1 pooka 31 1.2.2.1 bouyer #include <sys/types.h> 32 1.2.2.2 bouyer #include <sys/null.h> 33 1.2.2.2 bouyer 34 1.2.2.2 bouyer struct rumpclient_fork; 35 1.2.2.2 bouyer 36 1.2.2.2 bouyer #define rumpclient_vfork() rumpclient__dofork(vfork) 37 1.2.2.1 bouyer 38 1.1 pooka __BEGIN_DECLS 39 1.1 pooka 40 1.1 pooka int rumpclient_syscall(int, const void *, size_t, register_t *); 41 1.1 pooka int rumpclient_init(void); 42 1.1 pooka 43 1.2 pooka struct rumpclient_fork *rumpclient_prefork(void); 44 1.2 pooka int rumpclient_fork_init(struct rumpclient_fork *); 45 1.2.2.2 bouyer void rumpclient_fork_cancel(struct rumpclient_fork *); 46 1.2.2.2 bouyer void rumpclient_fork_vparent(struct rumpclient_fork *); 47 1.2.2.2 bouyer 48 1.2.2.2 bouyer pid_t rumpclient_fork(void); 49 1.2.2.2 bouyer int rumpclient_exec(const char *, char *const [], char *const[]); 50 1.2.2.2 bouyer int rumpclient_daemon(int, int); 51 1.2 pooka 52 1.2.2.1 bouyer #define RUMPCLIENT_RETRYCONN_INFTIME ((time_t)-1) 53 1.2.2.1 bouyer #define RUMPCLIENT_RETRYCONN_ONCE ((time_t)-2) 54 1.2.2.1 bouyer #define RUMPCLIENT_RETRYCONN_DIE ((time_t)-3) 55 1.2.2.1 bouyer void rumpclient_setconnretry(time_t); 56 1.2.2.1 bouyer 57 1.2.2.2 bouyer enum rumpclient_closevariant { 58 1.2.2.2 bouyer RUMPCLIENT_CLOSE_CLOSE, 59 1.2.2.2 bouyer RUMPCLIENT_CLOSE_DUP2, 60 1.2.2.2 bouyer RUMPCLIENT_CLOSE_FCLOSEM 61 1.2.2.2 bouyer }; 62 1.2.2.2 bouyer int rumpclient__closenotify(int *, enum rumpclient_closevariant); 63 1.2.2.2 bouyer 64 1.2.2.2 bouyer /* 65 1.2.2.2 bouyer * vfork needs to be implemented as an inline to make everything 66 1.2.2.2 bouyer * run in the caller's stackframe. 67 1.2.2.2 bouyer */ 68 1.2.2.2 bouyer static inline pid_t 69 1.2.2.2 bouyer rumpclient__dofork(pid_t (*forkfn)(void)) 70 1.2.2.2 bouyer { 71 1.2.2.2 bouyer struct rumpclient_fork *rf; 72 1.2.2.2 bouyer pid_t pid; 73 1.2.2.2 bouyer int childran = 0; 74 1.2.2.2 bouyer 75 1.2.2.2 bouyer if ((rf = rumpclient_prefork()) == NULL) 76 1.2.2.2 bouyer return -1; 77 1.2.2.2 bouyer 78 1.2.2.2 bouyer switch ((pid = forkfn())) { 79 1.2.2.2 bouyer case -1: 80 1.2.2.2 bouyer rumpclient_fork_cancel(rf); 81 1.2.2.2 bouyer break; 82 1.2.2.2 bouyer case 0: 83 1.2.2.2 bouyer childran = 1; 84 1.2.2.2 bouyer if (rumpclient_fork_init(rf) == -1) 85 1.2.2.2 bouyer pid = -1; 86 1.2.2.2 bouyer break; 87 1.2.2.2 bouyer default: 88 1.2.2.2 bouyer /* XXX: multithreaded vforker? do they exist? */ 89 1.2.2.2 bouyer if (childran) 90 1.2.2.2 bouyer rumpclient_fork_vparent(rf); 91 1.2.2.2 bouyer break; 92 1.2.2.2 bouyer } 93 1.2.2.2 bouyer 94 1.2.2.2 bouyer return pid; 95 1.2.2.2 bouyer } 96 1.2.2.2 bouyer 97 1.1 pooka __END_DECLS 98 1.1 pooka 99 1.1 pooka #endif /* _RUMP_RUMPCLIENT_H_ */ 100
Indexes created Fri Oct 03 02:09:57 GMT 2025