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67 lines
1.7 KiB
C
67 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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/* 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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int ret;
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do
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{
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ret = waitpid (pid, status, flags);
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}
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while (ret == -1 && errno == EINTR);
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return ret;
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}
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