X-Git-Url: http://www.git.stargrave.org/?p=public-inbox.git;a=blobdiff_plain;f=lib%2FPublicInbox%2FSyscall.pm;h=ce6b0f3afd5f832669614d3c13c5e08e9c5b1805;hp=ca7aa1c8a957ff7ecb13af576c847ae6311fe684;hb=17e52476687e03fecd579f765ad6864cde0f4203;hpb=95bdac7f09c69036efed537a4d03d5bdd2ae4eb6

diff --git a/lib/PublicInbox/Syscall.pm b/lib/PublicInbox/Syscall.pm
index ca7aa1c8..ce6b0f3a 100644
--- a/lib/PublicInbox/Syscall.pm
+++ b/lib/PublicInbox/Syscall.pm
@@ -78,9 +78,9 @@ if ($^O eq "linux") {
     my $u64_mod_8 = 0;
 
     # if we're running on an x86_64 kernel, but a 32-bit process,
-    # we need to use the i386 syscall numbers.
+    # we need to use the x32 or i386 syscall numbers.
     if ($machine eq "x86_64" && $Config{ptrsize} == 4) {
-        $machine = "i386";
+        $machine = $Config{cppsymbols} =~ /\b__ILP32__=1\b/ ? 'x32' : 'i386';
     }
 
     # Similarly for mips64 vs mips
@@ -98,6 +98,11 @@ if ($^O eq "linux") {
         $SYS_epoll_ctl    = 233;
         $SYS_epoll_wait   = 232;
         $SYS_signalfd4 = 289;
+    } elsif ($machine eq 'x32') {
+        $SYS_epoll_create = 1073742037;
+        $SYS_epoll_ctl = 1073742057;
+        $SYS_epoll_wait = 1073742056;
+        $SYS_signalfd4 = 1073742113;
     } elsif ($machine =~ m/^parisc/) {
         $SYS_epoll_create = 224;
         $SYS_epoll_ctl    = 225;