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posix: Use proper lock for signals

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This commit is contained in:
Sebastian Huber
2016-04-04 06:47:41 +02:00
parent 8f9658187a
commit 7d217001ab
1 changed files with 10 additions and 2 deletions
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12
cpukit/posix/src/killinfo.c
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@@ -75,6 +75,7 @@ int killinfo(
siginfo_t *siginfo; siginfo_t *siginfo;
POSIX_signals_Siginfo_node *psiginfo; POSIX_signals_Siginfo_node *psiginfo;
Thread_queue_Heads *heads; Thread_queue_Heads *heads;
ISR_lock_Context lock_context;
/* /*
* Only supported for the "calling process" (i.e. this node). * Only supported for the "calling process" (i.e. this node).
@@ -331,20 +332,27 @@ post_process_signal:
*/ */
_POSIX_signals_Set_process_signals( mask ); _POSIX_signals_Set_process_signals( mask );
_POSIX_signals_Acquire( &lock_context );
if ( _POSIX_signals_Vectors[ sig ].sa_flags == SA_SIGINFO ) { if ( _POSIX_signals_Vectors[ sig ].sa_flags == SA_SIGINFO ) {
psiginfo = (POSIX_signals_Siginfo_node *) psiginfo = (POSIX_signals_Siginfo_node *)
_Chain_Get( &_POSIX_signals_Inactive_siginfo ); _Chain_Get_unprotected( &_POSIX_signals_Inactive_siginfo );
if ( !psiginfo ) { if ( !psiginfo ) {
_POSIX_signals_Release( &lock_context );
_Thread_Enable_dispatch(); _Thread_Enable_dispatch();
rtems_set_errno_and_return_minus_one( EAGAIN ); rtems_set_errno_and_return_minus_one( EAGAIN );
} }
psiginfo->Info = *siginfo; psiginfo->Info = *siginfo;
_Chain_Append( &_POSIX_signals_Siginfo[ sig ], &psiginfo->Node ); _Chain_Append_unprotected(
&_POSIX_signals_Siginfo[ sig ],
&psiginfo->Node
);
} }
_POSIX_signals_Release( &lock_context );
DEBUG_STEP("\n"); DEBUG_STEP("\n");
_Thread_Enable_dispatch(); _Thread_Enable_dispatch();
return 0; return 0;