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

   1 # Copyright (C) 2014-2021 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 ${binfile}
  24
  25 if ![runto_main] {
  26    fail "can't run to main"
  27    return 0
  28 }
  29
  30 gdb_test "handle SIGUSR1 stop print pass"
  31 gdb_test "handle SIGUSR2 stop print pass"
  32 gdb_test "handle SIGABRT stop print pass"
  33
  34 gdb_breakpoint "all_threads_running"
  35 gdb_continue_to_breakpoint "all_threads_running"
  36
  37 # Find out which of threads 2,3 are for sigusr1,2.
  38 set sigusr1_thread 0
  39 set sigusr2_thread 0
  40 gdb_test "thread 2"
  41 gdb_test_multiple "bt" "determine thread functions" {
  42     -re "sigusr1.*$gdb_prompt $" {
  43         set sigusr1_thread 2
  44         set sigusr2_thread 3
  45     }
  46     -re "sigusr2.*$gdb_prompt $" {
  47         set sigusr1_thread 3
  48         set sigusr2_thread 2
  49     }
  50 }
  51
  52 # No point in continuing if we couldn't figure out which thread is which.
  53 if { $sigusr1_thread == 0 } {
  54     # FAIL already recorded.
  55     return 0
  56 }
  57
  58 # Advance each thread to where we want them one at a time.
  59 gdb_test_no_output "set scheduler-locking on"
  60 gdb_test_no_output "set var ready = 1"
  61
  62 # Thread sigusr1_thread gets a SIGUSR1 which we leave alone.
  63 gdb_test "thread $sigusr1_thread" "" \
  64     "switch to SIGUSR1 thread"
  65 gdb_test "continue" "SIGUSR1.*" \
  66     "continue until we get SIGUSR1"
  67
  68 # Inject SIGUSR2 into thread sigusr2_thread.
  69 gdb_test "thread $sigusr2_thread" ""  \
  70     "switch to SIGUSR2 thread"
  71 gdb_test_no_output "queue-signal SIGUSR2"
  72
  73 # The main thread gets SIGABRT which we then throw away.
  74 gdb_test "thread 1" ""
  75 gdb_test "continue" "SIGABRT.*"  \
  76     "continue until we get SIGABRT"
  77 gdb_test_no_output "queue-signal 0"
  78
  79 # Now let every thread run.
  80 gdb_test_no_output "set scheduler-locking off"
  81
  82 gdb_breakpoint "all_threads_done"
  83 gdb_continue_to_breakpoint "all_threads_done"
  84
  85 # Verify SIGUSR1, SIGUSR2 were received, and SIGABRT was discarded.
  86 gdb_test "p sigusr1_received" "= 1"
  87 gdb_test "p sigusr2_received" "= 1"
  88 gdb_test "p sigabrt_received" "= 0"
  89
  90 # Before we finish up verify the queueing of nopass signals flags an error.
  91 gdb_test "queue-signal SIGINT" \
  92   "Signal handling set to not pass this signal to the program."
  93
  94 # Verify program is able to finish.
  95 gdb_continue_to_end