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 declares $ac_func.
- For example, HP-UX 11i 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
to if __STDC__ is defined, since- exists even on freestanding compilers. */
-
-#ifdef __STDC__
-# include
-#else
-#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 declares $ac_func.
- For example, HP-UX 11i 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
to if __STDC__ is defined, since- exists even on freestanding compilers. */
-
-#ifdef __STDC__
-# include
-#else
-#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
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;
/* ----------------------------------------------------------------
* 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.
* postmaster treat it as a crash --- see pmsignal.c.
* ----------------------------------------------------------------
*/
-#ifdef HAVE_ATEXIT
-
static void
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
if (!atexit_callback_setup)
{
-#ifdef HAVE_ATEXIT
atexit(atexit_callback);
-#else
- on_exit(atexit_callback, NULL);
-#endif
atexit_callback_setup = true;
}
}
if (!atexit_callback_setup)
{
-#ifdef HAVE_ATEXIT
atexit(atexit_callback);
-#else
- on_exit(atexit_callback, NULL);
-#endif
atexit_callback_setup = true;
}
}
projects / postgresql.git / commitdiff