1 karl 1.8 //%2006////////////////////////////////////////////////////////////////////////
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2 h.sterling 1.1 //
3 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
4 // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
5 // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
6 // IBM Corp.; EMC Corporation, The Open Group.
7 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
8 // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
9 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10 // EMC Corporation; VERITAS Software Corporation; The Open Group.
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11 karl 1.8 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12 // EMC Corporation; Symantec Corporation; The Open Group.
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13 h.sterling 1.1 //
14 // Permission is hereby granted, free of charge, to any person obtaining a copy
15 // of this software and associated documentation files (the "Software"), to
16 // deal in the Software without restriction, including without limitation the
17 // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
18 // sell copies of the Software, and to permit persons to whom the Software is
19 // furnished to do so, subject to the following conditions:
20 //
21 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23 // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
24 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25 // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29 //
30 //==============================================================================
31 //
32 //%/////////////////////////////////////////////////////////////////////////////
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33 kumpf 1.14
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34 h.sterling 1.1 #include <fcntl.h>
35 #include <unistd.h>
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36 kumpf 1.14
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37 h.sterling 1.1 #include <Pegasus/Common/Signal.h>
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38 kumpf 1.16 #include <Pegasus/Common/Executor.h>
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39 kumpf 1.14
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40 w.otsuka 1.4 #define MAX_WAIT_TIME 240
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41 h.sterling 1.1
42 PEGASUS_USING_PEGASUS;
43 PEGASUS_USING_STD;
44
45 Boolean handleSigUsr1 = false;
46 Boolean graveError = false;
47
48 void sigUsr1Handler(int s_n, PEGASUS_SIGINFO_T * s_info, void * sig)
49 {
50 handleSigUsr1 = true;
51 }
52
53 void sigTermHandler(int s_n, PEGASUS_SIGINFO_T * s_info, void * sig)
54 {
55 graveError= handleSigUsr1=true;
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56 kumpf 1.17 }
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57 h.sterling 1.1
58
59 //constructor
60 ServerProcess::ServerProcess() {}
61
62 //destructor
63 ServerProcess::~ServerProcess() {}
64
65 // no-ops
66 void ServerProcess::cimserver_set_process(void* p) {}
67 void ServerProcess::cimserver_exitRC(int rc) {}
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68 kumpf 1.17 int ServerProcess::cimserver_initialize() { return 1; }
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69 marek 1.10
70 // for all OSes supporting signals provide a cimserver_wait function
71 // that waits to be awakened by signal PEGASUS_SIGTERM or PEGASUS_SIGHUP
72 #ifdef PEGASUS_HAS_SIGNALS
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73 kumpf 1.17 int ServerProcess::cimserver_wait()
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74 marek 1.10 {
75 int sig = -1;
76 sigset_t set;
77 sigemptyset(&set);
78 sigaddset(&set, PEGASUS_SIGTERM);
79 sigaddset(&set, PEGASUS_SIGHUP);
80 errno = 0;
81 do
82 {
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83 mike 1.20.2.1 #if defined(PEGASUS_OS_ZOS) || defined(PEGASUS_ARCHITECTURE_SPARC)
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84 marek 1.10 sig = sigwait(&set);
85 #else // else for platforms = LINUX, HPUX, AIX
86 sigwait(&set, &sig);
87 #endif
88 } while (errno == EINTR);
89 return sig;
90 }
91 #else
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92 kumpf 1.17 int ServerProcess::cimserver_wait() { return 1; }
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93 marek 1.10 #endif
94
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95 kumpf 1.17 String ServerProcess::getHome() { return String::EMPTY; }
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96 h.sterling 1.1
97 // daemon_init , RW Stevens, "Advance UNIX Programming"
98
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99 kumpf 1.17 int ServerProcess::cimserver_fork()
100 {
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101 kumpf 1.15 umask(S_IRWXG | S_IRWXO);
102
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103 kumpf 1.16 if (Executor::detectExecutor() == 0)
104 {
105 // We don't need to fork if we're running with Privilege Separation
106 return 0;
107 }
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108 kumpf 1.15
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109 kumpf 1.20 getSigHandle()->registerHandler(SIGTERM, sigTermHandler);
110 getSigHandle()->activate(SIGTERM);
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111 h.sterling 1.1 getSigHandle()->registerHandler(PEGASUS_SIGUSR1, sigUsr1Handler);
112 getSigHandle()->activate(PEGASUS_SIGUSR1);
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113 kumpf 1.17
114 pid_t pid;
115 if( (pid = fork() ) < 0)
116 {
117 getSigHandle()->deactivate(PEGASUS_SIGUSR1);
118 getSigHandle()->deactivate(SIGTERM);
119 return -1;
120 }
121 else if (pid != 0)
122 {
123 //
124 // parent wait for child
125 // if there is a problem with signal, parent process terminates
126 // when waitTime expires
127 //
128 Uint32 waitTime = MAX_WAIT_TIME;
129
130 while (!handleSigUsr1 && waitTime > 0)
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131 w.otsuka 1.4 {
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132 kumpf 1.17 sleep(1);
133 waitTime--;
134 }
135
136 if (!handleSigUsr1)
137 {
138 MessageLoaderParms parms(
139 "src.Service.ServerProcessUnix.CIMSERVER_START_TIMEOUT",
140 "The cimserver command timed out waiting for the CIM server "
141 "to start.");
142 PEGASUS_STD(cerr) << MessageLoader::getMessage(parms) <<
143 PEGASUS_STD(endl);
144 }
145 exit(graveError);
146 }
147
148 setsid();
149 umask(S_IRWXG | S_IRWXO);
150
151 // spawned daemon process doesn't need the old signal handlers of its parent
152 getSigHandle()->deactivate(PEGASUS_SIGUSR1);
153 kumpf 1.17 getSigHandle()->deactivate(SIGTERM);
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154 h.sterling 1.1
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155 kumpf 1.17 return 0;
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156 h.sterling 1.1 }
157
158
159 // notify parent process to terminate so user knows that cimserver
160 // is ready to serve CIM requests.
161 void ServerProcess::notify_parent(int id)
162 {
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163 kumpf 1.17 pid_t ppid = getppid();
164 if (id)
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165 kumpf 1.19 {
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166 kumpf 1.17 kill(ppid, SIGTERM);
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167 kumpf 1.19 }
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168 kumpf 1.17 else
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169 kumpf 1.19 {
170 if (Executor::detectExecutor() == 0)
171 {
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172 kumpf 1.20 Executor::daemonizeExecutor();
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173 kumpf 1.19 }
174 else
175 {
176 kill(ppid, PEGASUS_SIGUSR1);
177 }
178 }
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179 h.sterling 1.1 }
180
181
182 // Platform specific run
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183 kumpf 1.7 int ServerProcess::platform_run(
184 int argc,
185 char** argv,
186 Boolean shutdownOption,
187 Boolean debugOutputOption)
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188 h.sterling 1.1 {
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189 kumpf 1.7 return cimserver_run(argc, argv, shutdownOption, debugOutputOption);
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190 h.sterling 1.1 }
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Return to
ServerProcessUnix.cpp
CVS log
Up to [Pegasus] / pegasus / src / Service