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Fix crash on Linux if sem_wait() is interrupted. 

Patch by Andrew MacPherson.

llvm-svn: 200049
This commit is contained in:
Todd Fiala 2014-01-24 22:59:22 +00:00
parent a8e1e9b143
commit 8ce3dee45f
1 changed files with 12 additions and 2 deletions
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14
lldb/source/Plugins/Process/Linux/ProcessMonitor.cpp
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@ -2062,7 +2062,12 @@ ProcessMonitor::ServeOperation(OperationArgs *args)
for(;;)
{
// wait for next pending operation
sem_wait(&monitor->m_operation_pending);
if (sem_wait(&monitor->m_operation_pending))
{
if (errno == EINTR)
continue;
assert(false && "Unexpected errno from sem_wait");
}
monitor->m_operation->Execute(monitor);
@ -2082,7 +2087,12 @@ ProcessMonitor::DoOperation(Operation *op)
sem_post(&m_operation_pending);
// wait for operation to complete
sem_wait(&m_operation_done);
while (sem_wait(&m_operation_done))
{
if (errno == EINTR)
continue;
assert(false && "Unexpected errno from sem_wait");
}
}
size_t