diff options
Diffstat (limited to 'chapter25/src/main/smp/sys/libc.smp')
| -rw-r--r-- | chapter25/src/main/smp/sys/libc.smp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/chapter25/src/main/smp/sys/libc.smp b/chapter25/src/main/smp/sys/libc.smp index 133b5bf7..17ee65cb 100644 --- a/chapter25/src/main/smp/sys/libc.smp +++ b/chapter25/src/main/smp/sys/libc.smp @@ -30,8 +30,9 @@ i32 STDERR = 2; // status { i32 -> i32 } _exit = "C"; -// Error return from many native calls -i32 errno = "C"; +// errno is not an ordinary C data symbol; read it through the native runtime. +{ i32 } simple_errno = "C"; +val errno = { -> simple_errno(); }; // addr len prot flags fd off -> void* { i64 i64 i32 i32 i32 i32 -> i64 } mmap = "C"; // mmap flags |