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Enable check for pending signals after calling a signal handler.

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Restoration of a threads signal mask after invocation of a signal
handler may allow pending signals to become deliverable.

PR:		23647
This commit is contained in:
Daniel Eischen 2000-12-20 16:55:57 +00:00
parent 98f89aa0a9
commit d73eb8c8ca
3 changed files with 9 additions and 0 deletions
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3
lib/libc_r/uthread/uthread_kern.c
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@ -90,6 +90,9 @@ _thread_kern_sched_frame(struct pthread_signal_frame *psf)
/* Restore the signal frame: */ /* Restore the signal frame: */
_thread_sigframe_restore(_thread_run, psf); _thread_sigframe_restore(_thread_run, psf);
/* The signal mask was restored; check for any pending signals: */
_thread_run->check_pending = 1;
/* Switch to the thread scheduler: */ /* Switch to the thread scheduler: */
___longjmp(_thread_kern_sched_jb, 1); ___longjmp(_thread_kern_sched_jb, 1);
} }

3
lib/libkse/thread/thr_kern.c
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@ -90,6 +90,9 @@ _thread_kern_sched_frame(struct pthread_signal_frame *psf)
/* Restore the signal frame: */ /* Restore the signal frame: */
_thread_sigframe_restore(_thread_run, psf); _thread_sigframe_restore(_thread_run, psf);
/* The signal mask was restored; check for any pending signals: */
_thread_run->check_pending = 1;
/* Switch to the thread scheduler: */ /* Switch to the thread scheduler: */
___longjmp(_thread_kern_sched_jb, 1); ___longjmp(_thread_kern_sched_jb, 1);
} }

3
lib/libpthread/thread/thr_kern.c
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@ -90,6 +90,9 @@ _thread_kern_sched_frame(struct pthread_signal_frame *psf)
/* Restore the signal frame: */ /* Restore the signal frame: */
_thread_sigframe_restore(_thread_run, psf); _thread_sigframe_restore(_thread_run, psf);
/* The signal mask was restored; check for any pending signals: */
_thread_run->check_pending = 1;
/* Switch to the thread scheduler: */ /* Switch to the thread scheduler: */
___longjmp(_thread_kern_sched_jb, 1); ___longjmp(_thread_kern_sched_jb, 1);
} }