launchd/src/launchd.h

   1 /*
   2  * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_APACHE_LICENSE_HEADER_START@
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  * @APPLE_APACHE_LICENSE_HEADER_END@
  19  */
  20 #ifndef __LAUNCHD_H__
  21 #define __LAUNCHD_H__
  22
  23 #include <mach/mach.h>
  24 #include <mach/port.h>
  25 #include "launch.h"
  26 #include "bootstrap_public.h"
  27
  28 /*
  29  * Use launchd_assumes() when we can recover, even if it means we leak or limp along.
  30  *
  31  * Use launchd_assert() for core initialization routines.
  32  */
  33 #define launchd_assumes(e)      \
  34         (__builtin_expect(!(e), 0) ? _log_launchd_bug(__rcs_file_version__, __FILE__, __LINE__, #e), false : true)
  35
  36 #define launchd_blame(e, b)     \
  37         (__builtin_expect(!(e), 0) ? syslog(LOG_DEBUG, "Encountered bug: %d", b), false : true)
  38
  39 #define launchd_assert(e)       launchd_assumes(e) ? true : abort();
  40
  41 #define FIRSTBORN_LABEL "com.apple.launchd.firstborn"
  42 #define READCONF_LABEL "com.apple.launchd.readconfig"
  43
  44 struct kevent;
  45 struct conncb;
  46
  47 typedef void (*kq_callback)(void *, struct kevent *);
  48
  49 extern kq_callback kqsimple_zombie_reaper;
  50 extern sigset_t blocked_signals;
  51 extern bool shutdown_in_progress;
  52 extern bool network_up;
  53 extern int batch_disabler_count;
  54 extern mach_port_t launchd_internal_port;
  55 extern mach_port_t ipc_port_set;
  56
  57 bool init_check_pid(pid_t);
  58
  59 int kevent_mod(uintptr_t ident, short filter, u_short flags, u_int fflags, intptr_t data, void *udata);
  60 void batch_job_enable(bool e, struct conncb *c);
  61
  62 launch_data_t launchd_setstdio(int d, launch_data_t o);
  63 void launchd_SessionCreate(void);
  64 void launchd_shutdown(void);
  65 void launchd_single_user(void);
  66 pid_t launchd_fork(void);
  67 boolean_t launchd_mach_ipc_demux(mach_msg_header_t *Request, mach_msg_header_t *Reply);
  68
  69 kern_return_t launchd_set_bport(mach_port_t name);
  70 kern_return_t launchd_get_bport(mach_port_t *name);
  71 kern_return_t launchd_mport_notify_req(mach_port_t name, mach_msg_id_t which);
  72 kern_return_t launchd_mport_notify_cancel(mach_port_t name, mach_msg_id_t which);
  73 kern_return_t launchd_mport_request_callback(mach_port_t name, void *obj, bool readmsg);
  74 kern_return_t launchd_mport_create_recv(mach_port_t *name);
  75 kern_return_t launchd_mport_deallocate(mach_port_t name);
  76 kern_return_t launchd_mport_make_send(mach_port_t name);
  77 kern_return_t launchd_mport_close_recv(mach_port_t name);
  78
  79 void init_boot(bool sflag);
  80 void init_pre_kevent(void);
  81
  82 void update_ttys(void);
  83 void catatonia(void);
  84
  85 void mach_start_shutdown(void);
  86 void mach_init_init(mach_port_t, mach_port_t, name_array_t, mach_port_array_t, mach_msg_type_number_t);
  87 void mach_init_reap(void);
  88
  89 int _fd(int fd);
  90
  91 void _log_launchd_bug(const char *rcs_rev, const char *path, unsigned int line, const char *test);
  92
  93 bool progeny_check(pid_t p);
  94
  95 #endif