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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-06-12 22:49:14 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1996-06-12 22:49:14 +0000 |
| commit | 281ad526b62b7931606646dd31b5fa1c9bb695b5 (patch) | |
| tree | 7c5d5dd10940c0d4f8e7ff574fa7533520b23211 /c/src/exec/posix/src/psignal.c | |
| parent | added waiting for signal state. (diff) | |
| download | rtems-281ad526b62b7931606646dd31b5fa1c9bb695b5.tar.bz2 | |
basic kill() which send a signal to pthread_self() appears to work.
Diffstat (limited to 'c/src/exec/posix/src/psignal.c')
| -rw-r--r-- | c/src/exec/posix/src/psignal.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/c/src/exec/posix/src/psignal.c b/c/src/exec/posix/src/psignal.c index a5a63f1d6b..42f22aa795 100644 --- a/c/src/exec/posix/src/psignal.c +++ b/c/src/exec/posix/src/psignal.c @@ -813,7 +813,7 @@ int kill( * Only supported for the "calling process" (i.e. this node). */ - if( pid != getpid() ); + if( pid != getpid() ) set_errno_and_return_minus_one( ESRCH ); /* @@ -842,17 +842,18 @@ int kill( _Thread_Disable_dispatch(); - _POSIX_signals_Pending |= mask; - /* - * Is the currently executing thread interested? + * Is the currently executing thread interested? If so then it will + * get it an execute it as soon as the dispatcher executes. */ the_thread = _Thread_Executing; api = the_thread->API_Extensions[ THREAD_API_POSIX ]; - if ( _POSIX_signals_Is_interested( api, mask ) ) + if ( _POSIX_signals_Is_interested( api, mask ) ) { + _POSIX_signals_Pending |= mask; goto process_it; + } /* * Is an interested thread waiting for this signal (sigwait())? @@ -881,6 +882,13 @@ int kill( } /* + * Since we did not deliver the signal to the current thread or to a + * specific thread via sigwait() we will mark it as pending. + */ + + _POSIX_signals_Pending |= mask; + + /* * Is any other thread interested? The highest priority interested * thread is selected. In the event of a tie, then the following * additional criteria is used: @@ -919,7 +927,10 @@ int kill( object_table++; /* skip entry 0 */ for ( index = 1 ; index <= maximum ; index++ ) { - the_thread = (Thread_Control *) object_table++; + the_thread = (Thread_Control *) object_table[ index ]; + + if ( !the_thread ) + continue; /* * If this thread is of lower priority than the interested thread, @@ -935,7 +946,7 @@ int kill( api = the_thread->API_Extensions[ THREAD_API_POSIX ]; - if ( !_POSIX_signals_Is_interested( api, mask ) ) + if ( !api || !_POSIX_signals_Is_interested( api, mask ) ) continue; /* |