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d744f0f965
This eliminates the need to specify the return type when using handle_eintr. We let the compiler deduce it for us. Also, use lowercase for function parameter names. Uppercase should only be used on template parameters. gdb/ChangeLog: * nat/linux-waitpid.c: Include "gdbsupport/eintr.h". (my_waitpid): Use gdb::handle_eintr. gdbserver/ChangeLog: * netbsd-low.cc (netbsd_waitpid, netbsd_process_target::kill) (netbsd_qxfer_libraries_svr4): Use gdb::handle_eintr without explicit type. gdbsupport/ChangeLog: * eintr.h (handle_eintr): Replace Ret template parameter with ErrorValType. Use it as type of the failure value. Deduce the function's return type using decltype. Use lowercase for function parameter names.
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* Wrapper implementation for waitpid for GNU/Linux (LWP layer).
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Copyright (C) 2001-2020 Free Software Foundation, Inc.
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This file is part of GDB.
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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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#include "gdbsupport/common-defs.h"
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#include "linux-nat.h"
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#include "linux-waitpid.h"
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#include "gdbsupport/gdb_wait.h"
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#include "gdbsupport/eintr.h"
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/* Convert wait status STATUS to a string. Used for printing debug
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messages only. */
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char *
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status_to_str (int status)
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{
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static char buf[64];
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if (WIFSTOPPED (status))
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{
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if (WSTOPSIG (status) == SYSCALL_SIGTRAP)
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snprintf (buf, sizeof (buf), "%s (stopped at syscall)",
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strsignal (SIGTRAP));
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else
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snprintf (buf, sizeof (buf), "%s (stopped)",
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strsignal (WSTOPSIG (status)));
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}
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else if (WIFSIGNALED (status))
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snprintf (buf, sizeof (buf), "%s (terminated)",
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strsignal (WTERMSIG (status)));
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else
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snprintf (buf, sizeof (buf), "%d (exited)", WEXITSTATUS (status));
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return buf;
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}
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/* See linux-waitpid.h. */
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int
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my_waitpid (int pid, int *status, int flags)
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{
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return gdb::handle_eintr (-1, ::waitpid, pid, status, flags);
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}
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