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提交 d383c23f 编写于 作者: P Peter Eisentraut
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Remove support for on_exit() 

All supported platforms support the C89 standard function atexit()
(SunOS 4 probably being the last one not to), and supporting both
makes the code clumsy.
上级 c317a3ac
隐藏空白更改
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Showing with 2 addition and 268 deletion
configure
浏览文件 @ d383c23f
......@@ -22536,215 +22536,6 @@ fi
done
# Check for one of atexit() or on_exit()
for ac_func in atexit
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo_n "checking for $ac_func... " >&6; }
if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
$as_echo_n "(cached) " >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
For example, HP-UX 11i <limits.h> declares gettimeofday. */
#define $ac_func innocuous_$ac_func
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
#undef $ac_func
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char $ac_func ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined __stub_$ac_func || defined __stub___$ac_func
choke me
#endif
int
main ()
{
return $ac_func ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then
eval "$as_ac_var=yes"
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
eval "$as_ac_var=no"
fi
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
fi
ac_res=`eval 'as_val=${'$as_ac_var'}
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
as_val=`eval 'as_val=${'$as_ac_var'}
$as_echo "$as_val"'`
if test "x$as_val" = x""yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
else
for ac_func in on_exit
do
as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ $as_echo "$as_me:$LINENO: checking for $ac_func" >&5
$as_echo_n "checking for $ac_func... " >&6; }
if { as_var=$as_ac_var; eval "test \"\${$as_var+set}\" = set"; }; then
$as_echo_n "(cached) " >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Define $ac_func to an innocuous variant, in case <limits.h> declares $ac_func.
For example, HP-UX 11i <limits.h> declares gettimeofday. */
#define $ac_func innocuous_$ac_func
/* System header to define __stub macros and hopefully few prototypes,
which can conflict with char $ac_func (); below.
Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
<limits.h> exists even on freestanding compilers. */
#ifdef __STDC__
# include <limits.h>
#else
# include <assert.h>
#endif
#undef $ac_func
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char $ac_func ();
/* The GNU C library defines this for functions which it implements
to always fail with ENOSYS. Some functions are actually named
something starting with __ and the normal name is an alias. */
#if defined __stub_$ac_func || defined __stub___$ac_func
choke me
#endif
int
main ()
{
return $ac_func ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (ac_try="$ac_link"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_link") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest$ac_exeext && {
test "$cross_compiling" = yes ||
$as_test_x conftest$ac_exeext
}; then
eval "$as_ac_var=yes"
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
eval "$as_ac_var=no"
fi
rm -rf conftest.dSYM
rm -f core conftest.err conftest.$ac_objext conftest_ipa8_conftest.oo \
conftest$ac_exeext conftest.$ac_ext
fi
ac_res=`eval 'as_val=${'$as_ac_var'}
$as_echo "$as_val"'`
{ $as_echo "$as_me:$LINENO: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
as_val=`eval 'as_val=${'$as_ac_var'}
$as_echo "$as_val"'`
if test "x$as_val" = x""yes; then
cat >>confdefs.h <<_ACEOF
#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
_ACEOF
else
{ { $as_echo "$as_me:$LINENO: error: neither atexit() nor on_exit() found" >&5
$as_echo "$as_me: error: neither atexit() nor on_exit() found" >&2;}
{ (exit 1); exit 1; }; }
fi
done
fi
done
#
# Pthreads
......
configure.in
浏览文件 @ d383c23f
......@@ -1438,11 +1438,6 @@ fi
AC_CHECK_FUNCS([strtoll strtoq], [break])
AC_CHECK_FUNCS([strtoull strtouq], [break])
# Check for one of atexit() or on_exit()
AC_CHECK_FUNCS(atexit, [],
[AC_CHECK_FUNCS(on_exit, [],
[AC_MSG_ERROR([neither atexit() nor on_exit() found])])])
#
# Pthreads
......
contrib/pg_upgrade/server.c
浏览文件 @ d383c23f
......@@ -130,11 +130,7 @@ get_major_server_version(ClusterInfo *cluster)
static void
#ifdef HAVE_ATEXIT
stop_postmaster_atexit(void)
#else
stop_postmaster_on_exit(int exitstatus, void *arg)
#endif
{
stop_postmaster(true);
......@@ -151,11 +147,7 @@ start_postmaster(ClusterInfo *cluster)
if (!exit_hook_registered)
{
#ifdef HAVE_ATEXIT
atexit(stop_postmaster_atexit);
#else
on_exit(stop_postmaster_on_exit);
#endif
exit_hook_registered = true;
}
......
src/backend/storage/ipc/ipc.c
浏览文件 @ d383c23f
......@@ -39,7 +39,7 @@
bool proc_exit_inprogress = false;
/*
* This flag tracks whether we've called atexit(2) in the current process
* This flag tracks whether we've called atexit() in the current process
* (or in the parent postmaster).
*/
static bool atexit_callback_setup = false;
......@@ -51,7 +51,7 @@ static void proc_exit_prepare(int code);
/* ----------------------------------------------------------------
* exit() handling stuff
*
* These functions are in generally the same spirit as atexit(2),
* These functions are in generally the same spirit as atexit(),
* but provide some additional features we need --- in particular,
* we want to register callbacks to invoke when we are disconnecting
* from a broken shared-memory context but not exiting the postmaster.
......@@ -234,8 +234,6 @@ shmem_exit(int code)
* postmaster treat it as a crash --- see pmsignal.c.
* ----------------------------------------------------------------
*/
#ifdef HAVE_ATEXIT
static void
atexit_callback(void)
{
......@@ -243,15 +241,6 @@ atexit_callback(void)
/* ... too bad we don't know the real exit code ... */
proc_exit_prepare(-1);
}
#else /* assume we have on_exit instead */
static void
atexit_callback(int exitstatus, void *arg)
{
/* Clean up everything that must be cleaned up */
proc_exit_prepare(exitstatus);
}
#endif /* HAVE_ATEXIT */
/* ----------------------------------------------------------------
* on_proc_exit
......@@ -275,11 +264,7 @@ on_proc_exit(pg_on_exit_callback function, Datum arg)
if (!atexit_callback_setup)
{
#ifdef HAVE_ATEXIT
atexit(atexit_callback);
#else
on_exit(atexit_callback, NULL);
#endif
atexit_callback_setup = true;
}
}
......@@ -306,11 +291,7 @@ on_shmem_exit(pg_on_exit_callback function, Datum arg)
if (!atexit_callback_setup)
{
#ifdef HAVE_ATEXIT
atexit(atexit_callback);
#else
on_exit(atexit_callback, NULL);
#endif
atexit_callback_setup = true;
}
}
......
src/bin/psql/input.c
浏览文件 @ d383c23f
......@@ -45,12 +45,7 @@ static int history_lines_added;
#define NL_IN_HISTORY 0x01
#endif
#ifdef HAVE_ATEXIT
static void finishInput(void);
#else
/* designed for use with on_exit() */
static void finishInput(int, void *);
#endif
/*
......@@ -313,11 +308,7 @@ initializeInput(int flags)
}
#endif
#ifdef HAVE_ATEXIT
atexit(finishInput);
#else
on_exit(finishInput, NULL);
#endif
}
......@@ -416,11 +407,7 @@ saveHistory(char *fname, int max_lines, bool appendFlag, bool encodeFlag)
static void
#ifdef HAVE_ATEXIT
finishInput(void)
#else
finishInput(int exitstatus, void *arg)
#endif
{
#ifdef USE_READLINE
if (useHistory && psql_history)
......
src/include/pg_config.h.in
浏览文件 @ d383c23f
......@@ -90,9 +90,6 @@
/* Define to 1 if you have the `append_history' function. */
#undef HAVE_APPEND_HISTORY
/* Define to 1 if you have the `atexit' function. */
#undef HAVE_ATEXIT
/* Define to 1 if you have the `cbrt' function. */
#undef HAVE_CBRT
......@@ -369,9 +366,6 @@
/* Define to 1 if you have the <net/if.h> header file. */
#undef HAVE_NET_IF_H
/* Define to 1 if you have the `on_exit' function. */
#undef HAVE_ON_EXIT
/* Define to 1 if you have the <ossp/uuid.h> header file. */
#undef HAVE_OSSP_UUID_H
......
src/include/pg_config.h.win32
浏览文件 @ d383c23f
......@@ -72,9 +72,6 @@
# define gettimeofday(a,b) gettimeofday(a)
#endif
/* Define to 1 if you have the `atexit' function. */
#define HAVE_ATEXIT 1
/* Define to 1 if you have the `cbrt' function. */
//#define HAVE_CBRT 1
......@@ -279,9 +276,6 @@
/* Define to 1 if you have the <netinet/tcp.h> header file. */
/* #undef HAVE_NETINET_TCP_H */
/* Define to 1 if you have the `on_exit' function. */
/* #undef HAVE_ON_EXIT */
/* Define to 1 if you have the <pam/pam_appl.h> header file. */
/* #undef HAVE_PAM_PAM_APPL_H */
......
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