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POSIX Simulator: Clear SIGRESUME (SIGUSR1) when exiting xPortStartScheduler #1224

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POSIX Simulator: Clear SIGRESUME (SIGUSR1) when exiting xPortStartScheduler #1224

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2fcb0ad
Clear SIGRESUME (SIGUSR1) when exiting xPortStartScheduler
johnboiles Jan 18, 2025
0e644d3
Merge branch 'main' into clear-pending-signals
johnboiles Jan 29, 2025
94263d2
Simpler, more targeted solution
johnboiles Jan 29, 2025
e64f248
Merge branch 'main' into clear-pending-signals
kar-rahul-aws Feb 4, 2025
b71be3e
Merge branch 'main' into clear-pending-signals
kar-rahul-aws Feb 6, 2025
313790d
Merge branch 'main' into clear-pending-signals
kar-rahul-aws Feb 7, 2025
a304184
Merge branch 'main' into clear-pending-signals
kar-rahul-aws Feb 10, 2025
4bb54a3
Add #if __APPLE__ to lldb workaround
johnboiles Feb 10, 2025
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15 changes: 14 additions & 1 deletion portable/ThirdParty/GCC/Posix/port.c
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Original file line number Diff line number Diff line change
Expand Up @@ -261,7 +261,7 @@ void vPortStartFirstTask( void )
*/
BaseType_t xPortStartScheduler( void )
{
int iSignal;
int iSignal = 0;
sigset_t xSignals;

hMainThread = pthread_self();
Expand All @@ -287,6 +287,19 @@ BaseType_t xPortStartScheduler( void )
while( xSchedulerEnd != pdTRUE )
{
sigwait( &xSignals, &iSignal );

#if __APPLE__
/* For some reason, on macOS when running in LLDB, sigwait() doesn't
* always clear the signal the first time. Clear it again if it's still
* pending.
*/
sigset_t set;
sigpending( &set );
if( sigismember( &set, SIG_RESUME ) )
{
sigwait( &xSignals, &iSignal );
}
#endif /* __APPLE__ */
}

/*
Expand Down