summaryrefslogtreecommitdiffstats
path: root/gl/m4/pid_t.m4
diff options
context:
space:
mode:
authorRincewindsHat <12514511+RincewindsHat@users.noreply.github.com>2022-08-23 19:42:51 +0200
committerRincewindsHat <12514511+RincewindsHat@users.noreply.github.com>2022-09-14 11:08:55 +0200
commit868beb15ae02c352005a2df8857f4ebb9bd758fd (patch)
tree0dc6e6a91c4ef0f131ca82a777e6ac2ad193c399 /gl/m4/pid_t.m4
parentb89aee56964f7d933f2da5f371e32b4d7db9410b (diff)
downloadmonitoring-plugins-868beb15ae02c352005a2df8857f4ebb9bd758fd.tar.gz
Sync with the latest Gnulib code (d27c820595)
Diffstat (limited to 'gl/m4/pid_t.m4')
-rw-r--r--gl/m4/pid_t.m438
1 files changed, 38 insertions, 0 deletions
diff --git a/gl/m4/pid_t.m4 b/gl/m4/pid_t.m4
new file mode 100644
index 00000000..cb26f361
--- /dev/null
+++ b/gl/m4/pid_t.m4
@@ -0,0 +1,38 @@
1# pid_t.m4 serial 4
2dnl Copyright (C) 2020-2022 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7# The following implementation works around a problem in autoconf <= 2.69.
8m4_version_prereq([2.70], [], [
9
10dnl Define pid_t if the headers don't define it.
11AC_DEFUN([AC_TYPE_PID_T],
12[
13 AC_CHECK_TYPE([pid_t],
14 [],
15 [dnl On 64-bit native Windows, define it to the equivalent of 'intptr_t'
16 dnl (= 'long long' = '__int64'), because that is the return type
17 dnl of the _spawnv* functions
18 dnl <https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/spawnvp-wspawnvp>
19 dnl and the argument type of the _cwait function
20 dnl <https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/cwait>.
21 dnl Otherwise (on 32-bit Windows and on old Unix platforms), define it
22 dnl to 'int'.
23 AC_COMPILE_IFELSE(
24 [AC_LANG_PROGRAM([[
25 #if defined _WIN64 && !defined __CYGWIN__
26 LLP64
27 #endif
28 ]])
29 ],
30 [gl_pid_type='int'],
31 [gl_pid_type='__int64'])
32 AC_DEFINE_UNQUOTED([pid_t], [$gl_pid_type],
33 [Define as a signed integer type capable of holding a process identifier.])
34 ],
35 [AC_INCLUDES_DEFAULT])
36])
37
38])# m4_version_prereq 2.70