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authorLudovic Courtès <ludo@gnu.org>2024-01-05 18:54:38 +0100
committerLudovic Courtès <ludo@gnu.org>2024-01-05 18:59:58 +0100
commit5a8502a4946e8a5b5c40a127aa240fc6ad960d03 (patch)
treec6413cfdf9957a59ea13a47efd26978788ab3755 /module/scripts
parenta09214fb867846b12f1eb8ed91423636e511c1c7 (diff)
downloadguile-5a8502a4946e8a5b5c40a127aa240fc6ad960d03.tar.gz
Stop signal thread before forking, restart it afterwards.
Fixes <https://bugs.gnu.org/68087>. * libguile/scmsigs.h (scm_i_signals_pre_fork, scm_i_signals_post_fork): New declarations. (scm_i_signal_delivery_thread): Change type to SCM.. * libguile/threads.c (scm_all_threads): Adjust accordingly and exclude threads that have ‘t->exited’. Access ‘thread_count’ after grabbing ‘thread_admin_mutex’. * libguile/posix.c (scm_fork): Add calls to ‘scm_i_signals_pre_fork’ and ‘scm_i_signals_post_fork’. * libguile/scmsigs.c (signal_delivery_thread): Close signal_pipe[0] upon exit and set it to -1. (once): New file-global variable, moved from… (scm_i_ensure_signal_delivery_thread): … here. (stop_signal_delivery_thread, scm_i_signals_pre_fork) (scm_i_signals_post_fork): New functions. * test-suite/standalone/test-sigaction-fork: New file. * test-suite/standalone/Makefile.am (check_SCRIPTS, TESTS): Add it.
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