1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* 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;
}
|
