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Kernel: Add the ability to debug poll/select independently of read/write

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This commit is contained in:
Robin Burchell 2019-05-19 10:24:28 +02:00 • committed by Andreas Kling
parent c7d8aa6969
commit 635eb20289
1 changed files with 6 additions and 1 deletions
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7
Kernel/Process.cpp
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@ -25,6 +25,7 @@
#include <Kernel/SharedMemory.h> #include <Kernel/SharedMemory.h>
#include <Kernel/ProcessTracer.h> #include <Kernel/ProcessTracer.h>
//#define DEBUG_POLL_SELECT
//#define DEBUG_IO //#define DEBUG_IO
//#define TASK_DEBUG //#define TASK_DEBUG
//#define FORK_DEBUG //#define FORK_DEBUG
@ -1798,7 +1799,7 @@ int Process::sys$select(const Syscall::SC_select_params* params)
if (error) if (error)
return error; return error;
#ifdef DEBUG_IO #if defined(DEBUG_IO) || defined(DEBUG_POLL_SELECT)
dbgprintf("%s<%u> selecting on (read:%u, write:%u), timeout=%p\n", name().characters(), pid(), current->m_select_read_fds.size(), current->m_select_write_fds.size(), timeout); dbgprintf("%s<%u> selecting on (read:%u, write:%u), timeout=%p\n", name().characters(), pid(), current->m_select_read_fds.size(), current->m_select_write_fds.size(), timeout);
#endif #endif
@ -1872,6 +1873,10 @@ int Process::sys$poll(pollfd* fds, int nfds, int timeout)
current->m_select_has_timeout = false; current->m_select_has_timeout = false;
} }
#if defined(DEBUG_IO) || defined(DEBUG_POLL_SELECT)
dbgprintf("%s<%u> polling on (read:%u, write:%u), timeout=%d\n", name().characters(), pid(), current->m_select_read_fds.size(), current->m_select_write_fds.size(), timeout);
#endif
if (current->m_select_has_timeout || timeout < 0) { if (current->m_select_has_timeout || timeout < 0) {
current->block(Thread::State::BlockedSelect); current->block(Thread::State::BlockedSelect);
} }