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patch 8.2.0711: temp directory might be cleared

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Problem:    With a long running Vim the temp directory might be cleared on
            some systems.
Solution:   Lock the temp directory. (closes #6044)
This commit is contained in:
Bram Moolenaar
2020-05-07 18:37:03 +02:00
parent 4a070cc82e
commit b2d0e51366
7 changed files with 119 additions and 0 deletions
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15
src/configure.ac
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@@ -4060,6 +4060,21 @@ AC_TRY_LINK([#include <stdio.h>], [rename("this", "that")],
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_RENAME),
AC_MSG_RESULT(no))
dnl check for dirfd()
AC_MSG_CHECKING(for dirfd)
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <dirent.h>],
[DIR * dir=opendir("dirname"); dirfd(dir);],
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_DIRFD), AC_MSG_RESULT(not usable))
dnl check for flock()
AC_MSG_CHECKING(for flock)
AC_TRY_COMPILE(
[#include <sys/file.h>],
[flock(10, LOCK_SH);],
AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOCK), AC_MSG_RESULT(not usable))
dnl sysctl() may exist but not the arguments we use
AC_MSG_CHECKING(for sysctl)
AC_TRY_COMPILE(