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      1 # Copyright 2015-2024 Free Software Foundation, Inc.
      2 
      3 # This program is free software; you can redistribute it and/or modify
      4 # it under the terms of the GNU General Public License as published by
      5 # the Free Software Foundation; either version 3 of the License, or
      6 # (at your option) any later version.
      7 #
      8 # This program is distributed in the hope that it will be useful,
      9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11 # GNU General Public License for more details.
     12 #
     13 # You should have received a copy of the GNU General Public License
     14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     15 
     16 # Check that letting the inferior exit and restarting it again resets
     17 # the global TID counter, and thus the new thread 1.1 should end up
     18 # with global TID == 1.
     19 #
     20 # Also, check the same but with another inferior still running, in
     21 # which case the new thread 1.1 should end up with global TID == 3.
     22 
     23 standard_testfile
     24 
     25 if { [build_executable "failed to prepare" ${testfile} ${srcfile} \
     26 	  {pthreads debug}] } {
     27     return -1
     28 }
     29 
     30 with_test_prefix "single-inferior" {
     31     with_test_prefix "before restart" {
     32 	clean_restart ${testfile}
     33 
     34 	if {![runto_main]} {
     35 	    return -1
     36 	}
     37 
     38 	gdb_test "info threads -gid" "\\* 1 +1 +.*"
     39     }
     40 
     41     with_test_prefix "restart" {
     42 	gdb_continue_to_end
     43 	if {![runto_main]} {
     44 	    return -1
     45 	}
     46     }
     47 
     48     with_test_prefix "after restart" {
     49 	gdb_test "info threads -gid" "\\* 1 +1 +.*"
     50     }
     51 }
     52 
     53 # For the following tests, multiple inferiors are needed, therefore
     54 # non-extended gdbserver is not supported.
     55 require !use_gdb_stub
     56 
     57 # Test with multiple inferiors.  This time, since we restart inferior
     58 # 1 while inferior 2 still has threads, then the new thread 1.1 should
     59 # end up with GID == 3, since we won't be able to reset the global
     60 # thread ID counter.
     61 with_test_prefix "multi-inferior" {
     62     gdb_test "add-inferior" "Added inferior 2.*" "add empty inferior 2"
     63     gdb_test "inferior 2" "Switching to inferior 2 .*" "switch to inferior 2"
     64     gdb_load ${binfile}
     65 
     66     if {![runto_main]} {
     67 	return
     68     }
     69 
     70     gdb_test "inferior 1" "Switching to inferior 1 .*" \
     71 	"switch back to inferior 1"
     72 
     73     with_test_prefix "before restart" {
     74 	gdb_test "info threads -gid" \
     75 	    [multi_line \
     76 		 "\\* 1\.1 +1 +.*" \
     77 		 "  2\.1 +2 +.*"]
     78     }
     79 
     80     with_test_prefix "restart" {
     81 	gdb_continue_to_end
     82 	if {![runto_main]} {
     83 	    return -1
     84 	}
     85     }
     86 
     87     with_test_prefix "after restart" {
     88 	gdb_test "info threads -gid" \
     89 	    [multi_line \
     90 		 "\\* 1\.1 +3 +.*" \
     91 		 "  2\.1 +2 +.*"]
     92     }
     93 }
     94