Pablo Galindo Salgado <[email protected]> added the comment:
Also, it seems that calling initscr registers signal handlers for SIGTERM:
Without calling initscr:
...
rt_sigaction(SIGINT, {sa_handler=0x55d9351a9155, sa_mask=[],
sa_flags=SA_RESTORER, sa_restorer=0x7f7d22b36da0}, {sa_handler=SIG_DFL,
sa_mask=[], sa_flags=0}, 8) = 0
rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER,
sa_restorer=0x7f7d22b36da0}, {sa_handler=0x55d9351a9155, sa_mask=[],
sa_flags=SA_RESTORER, sa_restorer=0x7f7d22b36da0}, 8) = 0
sigaltstack(NULL, {ss_sp=0x55d93743a1c0, ss_flags=0, ss_size=8192}) = 0
sigaltstack({ss_sp=NULL, ss_flags=SS_DISABLE, ss_size=0}, NULL) = 0
...
Calling initscr:
...
rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) =
0
rt_sigaction(SIGTERM,
{sa_handler=0x7f28d6affed0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART,
sa_restorer=0x7f28d7c8eda0}, NULL, 8) = 0
rt_sigaction(SIGWINCH, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8)
= 0
rt_sigaction(SIGWINCH,
{sa_handler=0x7f1046394ec0, sa_mask=[], sa_flags=SA_RESTORER,
sa_restorer=0x7f1047523da0}, NULL, 8) = 0
...
----------
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Python tracker <[email protected]>
<https://bugs.python.org/issue31629>
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