diff options
Diffstat (limited to 'kernel/features/syscall.c')
| -rw-r--r-- | kernel/features/syscall.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/kernel/features/syscall.c b/kernel/features/syscall.c index abd7130..2c30a3b 100644 --- a/kernel/features/syscall.c +++ b/kernel/features/syscall.c @@ -60,7 +60,12 @@ static void syscall_handler(struct regs *r) break; } case SYS_IOREAD: { - r->eax = io_read(r->ebx, (void *)r->ecx, r->edx, r->esi); + res ret = io_read(r->ebx, (void *)r->ecx, r->edx, r->esi); + if (ret == -EAGAIN) { + io_block(r->ebx, proc_current(), r); + } else { + r->eax = ret; + } break; } case SYS_IOWRITE: { @@ -87,10 +92,12 @@ static void syscall_handler(struct regs *r) break; } case SYS_EXIT: { + r->eax = EOK; proc_exit(proc_current(), r, (s32)r->ebx); break; } case SYS_YIELD: { + r->eax = EOK; proc_yield(r); break; } @@ -126,6 +133,7 @@ static void syscall_handler(struct regs *r) // TODO: Reimplement network functions using VFS default: { + r->eax = -EINVAL; printf("Unknown syscall %d!\n", num); break; } |