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Drop support for getting signal descriptions from sys_siglist[].

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It appears that all platforms that have sys_siglist[] also have
strsignal(), making that fallback case in pg_strsignal() dead code.
Getting rid of it allows dropping a configure test, which seems worth
more than providing textual signal descriptions on whatever platforms
might still hypothetically have use for the fallback case.

Discussion: https://postgr.es/m/25758.1544983503@sss.pgh.pa.us
This commit is contained in:
Tom Lane
2018-12-17 13:50:07 -05:00
parent ca4103025d
commit cc92cca431
4 changed files with 9 additions and 42 deletions
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18
configure vendored
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@ -16064,24 +16064,6 @@ esac
fi
ac_fn_c_check_decl "$LINENO" "sys_siglist" "ac_cv_have_decl_sys_siglist" "#include <signal.h>
/* NetBSD declares sys_siglist in unistd.h. */
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
"
if test "x$ac_cv_have_decl_sys_siglist" = xyes; then :
ac_have_decl=1
else
ac_have_decl=0
fi
cat >>confdefs.h <<_ACEOF
#define HAVE_DECL_SYS_SIGLIST $ac_have_decl
_ACEOF
ac_fn_c_check_func "$LINENO" "syslog" "ac_cv_func_syslog"
if test "x$ac_cv_func_syslog" = xyes; then :
ac_fn_c_check_header_mongrel "$LINENO" "syslog.h" "ac_cv_header_syslog_h" "$ac_includes_default"