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LibC: Implement pselect

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pselect() is similar() to select(), but it takes its timeout
as timespec instead of as timeval, and it takes an additional
sigmask parameter.

Change the sys$select parameters to match pselect() and implement
select() in terms of pselect().
This commit is contained in:
Nico Weber 2020-06-21 13:54:41 -04:00 • committed by Andreas Kling
parent 29f509a2a0
commit d23e655c83
Notes: sideshowbarker 2024-07-19 05:27:20 +09:00
6 changed files with 46 additions and 19 deletions
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4
Kernel/Thread.h
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@ -219,12 +219,12 @@ public:
class SelectBlocker final : public Blocker {
public:
typedef Vector<int, FD_SETSIZE> FDVector;
SelectBlocker(const timeval& tv, bool select_has_timeout, const FDVector& read_fds, const FDVector& write_fds, const FDVector& except_fds);
SelectBlocker(const timespec& ts, bool select_has_timeout, const FDVector& read_fds, const FDVector& write_fds, const FDVector& except_fds);
virtual bool should_unblock(Thread&, time_t, long) override;
virtual const char* state_string() const override { return "Selecting"; }
private:
timeval m_select_timeout;
timespec m_select_timeout;
bool m_select_has_timeout { false };
const FDVector& m_select_read_fds;
const FDVector& m_select_write_fds;