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comparison src/pager.cc @ 2795:14d07e4a0265

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[project @ 1997-03-07 02:18:49 by jwe]
author jwe
date Fri, 07 Mar 1997 02:21:37 +0000
parents 18395aaeafb7
children 8b262e771614
comparison
equal deleted inserted replaced
2794:b836945228cc 2795:14d07e4a0265
103 { 103 {
104 if (pid > 0) 104 if (pid > 0)
105 { 105 {
106 if (WIFEXITED (status) || WIFSIGNALLED (status)) 106 if (WIFEXITED (status) || WIFSIGNALLED (status))
107 { 107 {
108 if (external_pager) 108 // Avoid warning() or error(), since that will put us back in
109 clear_external_pager (); 109 // the pager, which would be bad news.
110 110
111 // Don't call error() here because we don't want to set 111 cerr << "warning: connection to external pager (pid = "
112 // the error state. 112 << pid << ") lost --\n"
113 113 << "warning: attempting to finish pending computations...\n";
114 // XXX FIXME XXX -- something is wrong with the way that
115 // we are cleaning up the pager in the event of a SIGCHLD.
116 // If this message is printed with warning(), we eventually
117 // crash.
118
119 cout << "warning: connection to external pager (pid = "
120 << pid << ") lost --" << endl
121 << "warning: pending computations and output may be lost"
122 << endl;
123 } 114 }
124 } 115 }
125 } 116 }
126 117
127 static void 118 static void
169 160
170 if (octave_pager_pid > 0 161 if (octave_pager_pid > 0
171 && external_pager 162 && external_pager
172 && external_pager->good ()) 163 && external_pager->good ())
173 external_pager->flush (); 164 external_pager->flush ();
165 }
166 else
167 {
168 // We had a pager, but it must have died. Restore
169 // the interrupt state so we can escape back to the
170 // prompt if there are lots of computations pending.
171
172 if (interrupt_handler_saved)
173 {
174 octave_set_interrupt_handler (saved_interrupt_handler);
175 interrupt_handler_saved = false;
176 }
174 } 177 }
175 } 178 }
176 else 179 else
177 { 180 {
178 cout << msg; 181 cout << msg;