Justin C. Miller
9dee5e4138
Replace linearly-indexed vector of handles with new kutil::map. Also provide thread::current() and process::current() accessors so that every syscall doesn't need to include the scheduler to deduce the current process.
56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
#include "j6/errors.h"
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#include "j6/signals.h"
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#include "j6/types.h"
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#include "log.h"
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#include "objects/process.h"
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#include "objects/thread.h"
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#include "scheduler.h"
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namespace syscalls {
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j6_status_t
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object_wait(j6_handle_t handle, j6_signal_t mask, j6_signal_t *sigs)
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{
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scheduler &s = scheduler::get();
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thread &th = thread::current();
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process &p = process::current();
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kobject *obj = p.lookup_handle(handle);
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if (!obj)
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return j6_err_invalid_arg;
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j6_signal_t current = obj->signals();
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if ((current & mask) != 0) {
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*sigs = current;
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return j6_status_ok;
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}
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obj->add_blocked_thread(&th);
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th.wait_on_signals(obj, mask);
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s.schedule();
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j6_status_t result = th.get_wait_result();
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if (result == j6_status_ok) {
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*sigs = th.get_wait_data();
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}
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return result;
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}
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j6_status_t
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object_signal(j6_handle_t handle, j6_signal_t signals)
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{
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if ((signals & j6_signal_user_mask) != signals)
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return j6_err_invalid_arg;
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process &p = process::current();
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kobject *obj = p.lookup_handle(handle);
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if (!obj)
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return j6_err_invalid_arg;
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obj->assert_signal(signals);
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return j6_status_ok;
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}
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} // namespace syscalls
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