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| author | Cliff Click <cliffc@acm.org> | 2026-09-28 13:30:22 -0700 |
|---|---|---|
| committer | Cliff Click <cliffc@acm.org> | 2026-09-28 13:30:22 -0700 |
| commit | 586c8f65f2d0c0e1f73aadd0aa8d850aa653bddd (patch) | |
| tree | 2f539c308452ddf5fa37826da95b17ba557e8352 /chapter25/src/main/smp/sys | |
| parent | 8212a66ff27e56531e0b48807088f1c544d75756 (diff) | |
| download | Simple-586c8f65f2d0c0e1f73aadd0aa8d850aa653bddd.tar.gz Simple-586c8f65f2d0c0e1f73aadd0aa8d850aa653bddd.zip | |
Support extern C ver direct updates
FIx minor RISC encodings.
Diffstat (limited to 'chapter25/src/main/smp/sys')
| -rw-r--r-- | chapter25/src/main/smp/sys/io.smp | 2 | ||||
| -rw-r--r-- | chapter25/src/main/smp/sys/libc.smp | 5 |
2 files changed, 4 insertions, 3 deletions
diff --git a/chapter25/src/main/smp/sys/io.smp b/chapter25/src/main/smp/sys/io.smp index 33fbdb5e..d6263ffe 100644 --- a/chapter25/src/main/smp/sys/io.smp +++ b/chapter25/src/main/smp/sys/io.smp @@ -12,7 +12,7 @@ val read = { i32 fd -> int len = 0; while( true ) { i32 rez = libc.read(fd,ptr,buf#); - if( rez > buf# ) libc._exit(libc.errno); + if( rez > buf# ) libc._exit(libc.errno()); len += rez; if( rez < buf# ) break; 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 |