gdb/testsuite/gdb.threads/queue-signal.exp

   1 # Copyright (C) 2014-2022 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 standard_testfile
  17
  18 if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" \
  19          executable { debug }] != "" } {
  20     return -1
  21 }
  22
  23 clean_restart ${binfile}
  24
  25 if ![runto_main] {
  26    return 0
  27 }
  28
  29 gdb_test "handle SIGUSR1 stop print pass"
  30 gdb_test "handle SIGUSR2 stop print pass"
  31 gdb_test "handle SIGABRT stop print pass"
  32
  33 gdb_breakpoint "all_threads_running"
  34 gdb_continue_to_breakpoint "all_threads_running"
  35
  36 # Find out which of threads 2,3 are for sigusr1,2.
  37 set sigusr1_thread 0
  38 set sigusr2_thread 0
  39 gdb_test "thread 2"
  40 gdb_test_multiple "bt" "determine thread functions" {
  41     -re "sigusr1.*$gdb_prompt $" {
  42         set sigusr1_thread 2
  43         set sigusr2_thread 3
  44     }
  45     -re "sigusr2.*$gdb_prompt $" {
  46         set sigusr1_thread 3
  47         set sigusr2_thread 2
  48     }
  49 }
  50
  51 # No point in continuing if we couldn't figure out which thread is which.
  52 if { $sigusr1_thread == 0 } {
  53     # FAIL already recorded.
  54     return 0
  55 }
  56
  57 # Advance each thread to where we want them one at a time.
  58 gdb_test_no_output "set scheduler-locking on"
  59 gdb_test_no_output "set var ready = 1"
  60
  61 # Thread sigusr1_thread gets a SIGUSR1 which we leave alone.
  62 gdb_test "thread $sigusr1_thread" "" \
  63     "switch to SIGUSR1 thread"
  64 gdb_test "continue" "SIGUSR1.*" \
  65     "continue until we get SIGUSR1"
  66
  67 # Inject SIGUSR2 into thread sigusr2_thread.
  68 gdb_test "thread $sigusr2_thread" ""  \
  69     "switch to SIGUSR2 thread"
  70 gdb_test_no_output "queue-signal SIGUSR2"
  71
  72 # The main thread gets SIGABRT which we then throw away.
  73 gdb_test "thread 1" ""
  74 gdb_test "continue" "SIGABRT.*"  \
  75     "continue until we get SIGABRT"
  76 gdb_test_no_output "queue-signal 0"
  77
  78 # Now let every thread run.
  79 gdb_test_no_output "set scheduler-locking off"
  80
  81 gdb_breakpoint "all_threads_done"
  82 gdb_continue_to_breakpoint "all_threads_done"
  83
  84 # Verify SIGUSR1, SIGUSR2 were received, and SIGABRT was discarded.
  85 gdb_test "p sigusr1_received" "= 1"
  86 gdb_test "p sigusr2_received" "= 1"
  87 gdb_test "p sigabrt_received" "= 0"
  88
  89 # Before we finish up verify the queueing of nopass signals flags an error.
  90 gdb_test "queue-signal SIGINT" \
  91   "Signal handling set to not pass this signal to the program."
  92
  93 # Verify program is able to finish.
  94 gdb_continue_to_end