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[orbis-kernel] implement sys_dup2/sys_dup

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This commit is contained in:
DH 2023-10-31 14:23:21 +03:00
parent e9897441fe
commit 39092c7f16
1 changed files with 19 additions and 2 deletions
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21
orbis-kernel/src/sys/sys_descrip.cpp
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@ -6,10 +6,27 @@ orbis::SysResult orbis::sys_getdtablesize(Thread *thread) {
return ErrorCode::NOSYS;
}
orbis::SysResult orbis::sys_dup2(Thread *thread, uint from, uint to) {
return ErrorCode::NOSYS;
if (to == 1 || to == 2) { // HACK: ignore setup /dev/console to stdout/stderr
return {};
}
std::lock_guard lock(thread->tproc->fileDescriptors.mutex);
auto file = thread->tproc->fileDescriptors.get(from);
if (file == nullptr) {
return ErrorCode::BADF;
}
thread->tproc->fileDescriptors.close(to);
thread->tproc->fileDescriptors.insert(to, file);
return {};
}
orbis::SysResult orbis::sys_dup(Thread *thread, uint fd) {
return ErrorCode::NOSYS;
auto file = thread->tproc->fileDescriptors.get(fd);
if (file == nullptr) {
return ErrorCode::BADF;
}
thread->retval[0] = thread->tproc->fileDescriptors.insert(std::move(file));
return {};
}
orbis::SysResult orbis::sys_fcntl(Thread *thread, sint fd, sint cmd,
slong arg) {