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2008-06-28 Pedro Alves <pedro@codesourcery.com> * linux-nat.c (enum sigchld_state): New. (linux_nat_async_events_state): Renamed from linux_nat_async_events_enabled. (linux_nat_event_pipe_push, my_waitpid): Adjust. (sigchld_default_action): New. (lin_lwp_attach_lwp): Adjust. Call linux_nat_async_events unconditionally. (linux_nat_create_inferior): Set events state to sigchld_default state. (linux_nat_resume): Adjust. (linux_nat_wait): Call linux_nat_async_events unconditionally. (sigchld_handler): Adjust. (linux_nat_async_mask): Don't set SIGCHLD actions here. (get_pending_events): Adjust. (linux_nat_async_events): Rewrite to handle enum sigchld_state instead of a boolean. (linux_nat_async): Adjust. (_initialize_linux_nat): Capture default SIGCHLD action into sigchld_default_action. gdb/testsuite/ 2008-06-28 Pedro Alves <pedro@codesourcery.com> * gdb.base/sigchld.c, gdb.base/sigchld.exp: New test.binutils-arc-20080908-branch
Pedro Alves
18 years ago
5 changed files with 210 additions and 58 deletions
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/* This testcase is part of GDB, the GNU debugger.
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Copyright 2008 Free Software Foundation, Inc. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/ |
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/* Check that GDB isn't messing the SIGCHLD mask while creating an
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inferior. */ |
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#include <signal.h> |
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#include <stdlib.h> |
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int |
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main () |
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{ |
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sigset_t mask; |
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sigemptyset (&mask); |
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sigprocmask (SIG_BLOCK, NULL, &mask); |
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if (!sigismember (&mask, SIGCHLD)) |
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return 0; /* good, not blocked */ |
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else |
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return 1; /* bad, blocked */ |
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} |
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# Copyright (C) 2008 Free Software Foundation, Inc. |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 3 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# Check that GDB isn't messing the SIGCHLD mask while creating an |
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# inferior. |
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if [target_info exists gdb,nosignals] { |
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verbose "Skipping sigchld.exp because of nosignals." |
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continue |
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} |
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set testfile "sigchld" |
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set srcfile ${testfile}.c |
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set binfile ${objdir}/${subdir}/${testfile} |
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if {[gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { |
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return -1 |
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} |
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gdb_exit |
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gdb_start |
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gdb_reinitialize_dir $srcdir/$subdir |
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gdb_load ${binfile} |
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runto_main |
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gdb_test "b [gdb_get_line_number "good, not blocked"]" \ |
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".*Breakpoint .*sigchld.*" "set breakpoint at success exit" |
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gdb_test "b [gdb_get_line_number "bad, blocked"]" \ |
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".*Breakpoint .*sigchld.*" "set breakpoint at failure exit" |
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gdb_test "continue" ".*good, not blocked.*" "SIGCHLD blocked in inferior" |
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