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bsd-user/signal.c: handle_pending_signal

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Handle a queued signal.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@freebsd.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-01-08 21:46:07 -07:00
parent 46f4f76d33
commit 6c6d4b5616
2 changed files with 94 additions and 0 deletions
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7
bsd-user/qemu.h
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@ -99,6 +99,8 @@ typedef struct TaskState {
* from multiple threads.)
*/
int signal_pending;
/* True if we're leaving a sigsuspend and sigsuspend_mask is valid. */
bool in_sigsuspend;
/*
* This thread's signal mask, as requested by the guest program.
* The actual signal mask of this thread may differ:
@ -106,6 +108,11 @@ typedef struct TaskState {
* + sometimes we block all signals to avoid races
*/
sigset_t signal_mask;
/*
* The signal mask imposed by a guest sigsuspend syscall, if we are
* currently in the middle of such a syscall
*/
sigset_t sigsuspend_mask;
/* This thread's sigaltstack, if it has one */
struct target_sigaltstack sigaltstack_used;