1# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000
2# Free Software Foundation, Inc.
3
4# This program is free software; you can redistribute it and/or modify
5# it under the terms of the GNU General Public License as published by
6# the Free Software Foundation; either version 2 of the License, or
7# (at your option) any later version.
8#
9# This program is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12# GNU General Public License for more details.
13#
14# You should have received a copy of the GNU General Public License
15# along with this program; if not, write to the Free Software
16# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17
18# Please email any bugs, comments, and/or additions to this file to:
19# bug-gdb@prep.ai.mit.edu
20
21if [target_info exists gdb,nointerrupts] {
22    verbose "Skipping interrupt.exp because of nointerrupts."
23    continue
24}
25
26if [target_info exists gdb,noinferiorio] {
27    verbose "Skipping interrupt.exp because of noinferiorio."
28    return
29}
30
31if $tracelevel then {
32	strace $tracelevel
33}
34
35set prms_id 0
36set bug_id 0
37
38set testfile interrupt
39set srcfile ${testfile}.c
40set binfile ${objdir}/${subdir}/${testfile}
41if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
42     gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail."
43}
44
45gdb_start
46
47
48if ![file exists $binfile] then {
49    perror "$binfile does not exist."
50    return 0
51} else {
52    gdb_reinitialize_dir $srcdir/$subdir
53    gdb_load $binfile
54    # Hope this is unix :-)
55    gdb_test "shell stty intr '^C'" "" \
56	"set interrupt character in interrupt.exp"
57    if [runto_main] then {
58	send_gdb "continue\n"
59	gdb_expect {
60	    -re "\r\ntalk to me baby\r\n$" {
61		pass "child process is alive"
62	    }
63	    timeout { fail "run (timeout)" }
64	    eof { fail "run (eof)" }
65	}
66	# This should appear twice, once for the echo and once for the
67	# program's output.  Under dejagnu (but not interactively) for
68	# SunOS4, it only appears once.  Don't worry about it, I imagine
69	# dejagnu has just done something to the tty modes.
70	send_gdb "a\n"
71	gdb_expect {
72	    -re "^a\r\n(|a\r\n)$" {
73		pass "child process ate our char"
74	    }
75	    timeout { fail "echo a (timeout)" }
76	    eof { fail "echo a (eof)" }
77	}
78	# Wait until the program is in the read system call again.
79	sleep 2
80
81	# Cntrl-c may fail for simulator targets running on a BSD host.
82	# This is the result of a combination of the read syscall
83	# being restarted and gdb capturing the cntrl-c signal.
84
85	# Cntrl-c may fail for simulator targets on slow hosts.
86	# This is because there is a race condition between entering
87	# the read and delivering the cntrl-c.
88
89	send_gdb "\003"
90	gdb_expect {
91	    -re "Program received signal SIGINT.*$gdb_prompt $" {
92		pass "send_gdb control C"
93	    }
94	    -re ".*$gdb_prompt $" { fail "send_gdb control C" }
95	    timeout { fail "send_gdb control C (timeout)" }
96	    eof { fail "send_gdb control C (eof)" }
97	}
98
99	send_gdb "p func1 ()\n"
100	gdb_expect {
101	    -re " = 4.*$gdb_prompt $" { pass "call function when asleep" }
102	    -re ".*Program received signal SIG(SEGV|ILL).*$gdb_prompt $" {
103		setup_xfail "i*86-pc-linux*-gnu*"
104		fail "child died when we called func1, skipped rest of tests"
105		return
106	    }
107	    -re "$gdb_prompt $" {
108		# On HPUX-11.0 'send "p func1 ()"' above
109		# terminates the program. A defect is pending on this
110		# issue [defect #DTS CHFts24203]. Hence calling setup_xfail
111		# below.
112	        setup_xfail "hppa*-*-*11*" CHFts24203
113		fail "call function when asleep (wrong output)"
114	    }
115	    default {
116
117		# This fail probably happens whenever we use /proc (we
118		# don't use PRSABORT), but apparently also happens on
119		# other machines as well.
120
121		setup_xfail "sparc*-*-solaris2*"
122		setup_xfail "mips-*-ultrix*"
123		setup_xfail "i*86-*-solaris2*"
124		setup_xfail "*-*-sysv4*"
125		setup_xfail "vax-*-*"
126		setup_xfail "alpha-*-*"
127		setup_xfail "*-*-*bsd*"
128		setup_xfail "*-*-irix*"
129		setup_xfail "*-*-hpux*"
130		setup_xfail "*-*-*lynx*"
131		fail "call function when asleep (stays asleep)"
132		# Send_Gdb a newline to wake it up
133		send_gdb "\n"
134		gdb_test "" " = 4" "call function after waking it"
135	    }
136#	    eof { fail "call function when asleep (eof)" }
137	}
138
139	# Now try calling the function again.
140	gdb_test "p func1 ()" " = 4" "call function a second time"
141
142	# And the program should still be doing the same thing.
143	# The optional trailing \r\n is in case we sent a newline above
144	# to wake the program, in which case the program now sends it
145	# back.  We check for it either here or in the next gdb_expect
146	# command, because which one it ends up in is timing dependent.
147	send_gdb "continue\n"
148	# For some reason, i386-*-sysv4 gdb fails to issue the Continuing
149	# message, but otherwise appears normal (FIXME).
150	gdb_expect {
151	    -re "^continue\r\nContinuing.\r\n(\r\n|)$" { pass "continue" }
152	    -re "^continue\r\n\r\n" { fail "continue (missing Continuing.)" }
153	    -re "$gdb_prompt $" { fail "continue" }
154	    timeout { fail "continue (timeout)" }
155	    eof { fail "continue (eof)" }
156	}
157
158	send_gdb "data\n"
159	# The optional leading \r\n is in case we sent a newline above
160	# to wake the program, in which case the program now sends it
161	# back.
162        # FIXME: The pattern below leads to an expected success on HPUX-11.0
163        # but the success is spurious. Need to provide the right reg.expr.
164        # here.
165	gdb_expect {
166	    -re "^(\r\n|)data\r\n(|data\r\n)$" { pass "echo data" }
167	    timeout { fail "echo data (timeout)" }
168	    eof { fail "echo data (eof)" }
169	}
170
171	setup_xfail "i*86-pc-linux*-gnu*"
172	send_gdb "\004"
173	gdb_expect {
174	    -re "end of file.*Program exited normally.*$gdb_prompt $" {
175		pass "send end of file"
176	    }
177	    -re "$gdb_prompt $" { fail "send end of file" }
178	    timeout { fail "send end of file (timeout)" }
179	    eof { fail "send end of file (eof)" }
180	}
181    }
182}
183return 0
184