Revert "kernel/thread: restore signal mask just before returning to userland"

This reverts commit 837f4f48db. Reason for revert: breaks DNS resolution Change-Id: If6f2a0f60dbfb24121616a9f3879ce226ea4a09a Reviewed-on: https://review.haiku-os.org/c/haiku/+/3519 Reviewed-by: Jérôme Duval <[email protected]>
2021-01-16 16:50:43 +00:00
parent 60c165a53c
commit 6ff344d7c6
3 changed files with 14 additions and 31 deletions
@@ -455,10 +455,6 @@ struct Thread : TeamThreadIteratorEntry<thread_id>, KernelReferenceable {
 		// non-0 after a return from _user_sigsuspend(), containing the inverted
 		// original signal mask, reset in handle_signals(); only accessed by
 		// this thread
-	sigset_t		old_sig_block_mask;
-		// the old sig_block_mask to be restored when returning to userland
-		// when THREAD_FLAGS_OLD_SIGMASK is set
-
 	ucontext_t*		user_signal_context;	// only accessed by this thread
 	addr_t			signal_stack_base;		// only accessed by this thread
 	size_t			signal_stack_size;		// only accessed by this thread
@@ -848,7 +844,5 @@ using BKernel::ProcessGroupList;
 #define	THREAD_FLAGS_COMPAT_MODE			0x2000
 	// the thread runs a compatibility mode (for instance IA32 on x86_64).
 #endif
-#define	THREAD_FLAGS_OLD_SIGMASK			0x4000
-	// the thread has an old sigmask to be restored

 #endif	/* _KERNEL_THREAD_TYPES_H */