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Diffstat (limited to 'doc/syscall.md')
| -rw-r--r-- | doc/syscall.md | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/doc/syscall.md b/doc/syscall.md index 3bfa00b..5a3d1e7 100644 --- a/doc/syscall.md +++ b/doc/syscall.md @@ -314,3 +314,14 @@ If the read size + starting index > file size, the kernel will return `-EOOB`. If the message is too small for the read bytes, the kernel will return `-ETOOBIG`. Successful reading returns `0`. + + +### JOVE_OBJ_MESSAGE + +| Syscall | Target Permissions | +|----------------------|--------------------| +| SYSCALL_MESSAGE_SIZE | JOVE_PERM_READ | + +#### SYSCALL_MESSAGE_SIZE + +Returns the size of the message object in bytes. |