| /* Wrapper implementation for waitpid for GNU/Linux (LWP layer). |
| |
| Copyright (C) 2001-2020 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "gdbsupport/common-defs.h" |
| |
| #include "linux-nat.h" |
| #include "linux-waitpid.h" |
| #include "gdbsupport/gdb_wait.h" |
| |
| /* Convert wait status STATUS to a string. Used for printing debug |
| messages only. */ |
| |
| char * |
| status_to_str (int status) |
| { |
| static char buf[64]; |
| |
| if (WIFSTOPPED (status)) |
| { |
| if (WSTOPSIG (status) == SYSCALL_SIGTRAP) |
| snprintf (buf, sizeof (buf), "%s (stopped at syscall)", |
| strsignal (SIGTRAP)); |
| else |
| snprintf (buf, sizeof (buf), "%s (stopped)", |
| strsignal (WSTOPSIG (status))); |
| } |
| else if (WIFSIGNALED (status)) |
| snprintf (buf, sizeof (buf), "%s (terminated)", |
| strsignal (WTERMSIG (status))); |
| else |
| snprintf (buf, sizeof (buf), "%d (exited)", WEXITSTATUS (status)); |
| |
| return buf; |
| } |
| |
| /* See linux-waitpid.h. */ |
| |
| int |
| my_waitpid (int pid, int *status, int flags) |
| { |
| int ret; |
| |
| do |
| { |
| ret = waitpid (pid, status, flags); |
| } |
| while (ret == -1 && errno == EINTR); |
| |
| return ret; |
| } |