diff options
author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 17:36:20 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-11-02 17:36:20 +0000 |
commit | ee979cdd95acb1a2bfa8b02f67d5386d3c8af5e3 (patch) | |
tree | 56f962a98a305c62c05ddace93be94aa17a3319c /cpukit/posix/src/psignalclearsignals.c | |
parent | 96c041c42ba7cf9489113bb337c8dc9b344f152e (diff) |
Split some more stuff out of psignal.c.
Diffstat (limited to 'cpukit/posix/src/psignalclearsignals.c')
-rw-r--r-- | cpukit/posix/src/psignalclearsignals.c | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/cpukit/posix/src/psignalclearsignals.c b/cpukit/posix/src/psignalclearsignals.c new file mode 100644 index 0000000000..4dc7d9cb02 --- /dev/null +++ b/cpukit/posix/src/psignalclearsignals.c @@ -0,0 +1,85 @@ +/* + * $Id$ + */ + +#include <assert.h> +#include <errno.h> +#include <pthread.h> +#include <signal.h> + +#include <rtems/system.h> +#include <rtems/score/isr.h> +#include <rtems/score/thread.h> +#include <rtems/score/tqdata.h> +#include <rtems/score/wkspace.h> +#include <rtems/posix/seterr.h> +#include <rtems/posix/threadsup.h> +#include <rtems/posix/psignal.h> +#include <rtems/posix/pthread.h> +#include <rtems/posix/time.h> +#include <stdio.h> + +/*PAGE + * + * _POSIX_signals_Clear_signals + */ + +boolean _POSIX_signals_Clear_signals( + POSIX_API_Control *api, + int signo, + siginfo_t *info, + boolean is_global, + boolean check_blocked +) +{ + sigset_t mask; + sigset_t signals_blocked; + ISR_Level level; + boolean do_callout; + POSIX_signals_Siginfo_node *psiginfo; + + mask = signo_to_mask( signo ); + + do_callout = FALSE; + + /* set blocked signals based on if checking for them, SIGNAL_ALL_MASK + * insures that no signals are blocked and all are checked. + */ + + if ( check_blocked ) + signals_blocked = ~api->signals_blocked; + else + signals_blocked = SIGNAL_ALL_MASK; + + /* XXX this is not right for siginfo type signals yet */ + /* XXX since they can't be cleared the same way */ + + _ISR_Disable( level ); + if ( is_global ) { + if ( mask & (_POSIX_signals_Pending & signals_blocked) ) { + if ( _POSIX_signals_Vectors[ signo ].sa_flags == SA_SIGINFO ) { + psiginfo = (POSIX_signals_Siginfo_node *) + _Chain_Get_unprotected( &_POSIX_signals_Siginfo[ signo ] ); + if ( _Chain_Is_empty( &_POSIX_signals_Siginfo[ signo ] ) ) + _POSIX_signals_Clear_process_signals( mask ); + if ( psiginfo ) { + *info = psiginfo->Info; + _Chain_Append_unprotected( + &_POSIX_signals_Inactive_siginfo, + &psiginfo->Node + ); + } else + do_callout = FALSE; + } else + _POSIX_signals_Clear_process_signals( mask ); + do_callout = TRUE; + } + } else { + if ( mask & (api->signals_pending & signals_blocked) ) { + api->signals_pending &= ~mask; + do_callout = TRUE; + } + } + _ISR_Enable( level ); + return do_callout; +} |