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basic kill() which send a signal to pthread_self() appears to work.

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This commit is contained in:
Joel Sherrill
1996-06-12 22:49:14 +00:00
parent 4a1bc34b8f
commit 281ad526b6
2 changed files with 36 additions and 14 deletions
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25
c/src/exec/posix/src/psignal.c
View File

@@ -813,7 +813,7 @@ int kill(
* Only supported for the "calling process" (i.e. this node). * Only supported for the "calling process" (i.e. this node).
*/ */
if( pid != getpid() ); if( pid != getpid() )
set_errno_and_return_minus_one( ESRCH ); set_errno_and_return_minus_one( ESRCH );
/* /*
@@ -842,17 +842,18 @@ int kill(
_Thread_Disable_dispatch(); _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; the_thread = _Thread_Executing;
api = the_thread->API_Extensions[ THREAD_API_POSIX ]; 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; goto process_it;
}
/* /*
* Is an interested thread waiting for this signal (sigwait())? * Is an interested thread waiting for this signal (sigwait())?
@@ -880,6 +881,13 @@ 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 * Is any other thread interested? The highest priority interested
* thread is selected. In the event of a tie, then the following * thread is selected. In the event of a tie, then the following
@@ -919,7 +927,10 @@ int kill(
object_table++; /* skip entry 0 */ object_table++; /* skip entry 0 */
for ( index = 1 ; index <= maximum ; index++ ) { 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, * 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 ]; api = the_thread->API_Extensions[ THREAD_API_POSIX ];
if ( !_POSIX_signals_Is_interested( api, mask ) ) if ( !api || !_POSIX_signals_Is_interested( api, mask ) )
continue; continue;
/* /*

25
cpukit/posix/src/psignal.c
View File

@@ -813,7 +813,7 @@ int kill(
* Only supported for the "calling process" (i.e. this node). * Only supported for the "calling process" (i.e. this node).
*/ */
if( pid != getpid() ); if( pid != getpid() )
set_errno_and_return_minus_one( ESRCH ); set_errno_and_return_minus_one( ESRCH );
/* /*
@@ -842,17 +842,18 @@ int kill(
_Thread_Disable_dispatch(); _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; the_thread = _Thread_Executing;
api = the_thread->API_Extensions[ THREAD_API_POSIX ]; 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; goto process_it;
}
/* /*
* Is an interested thread waiting for this signal (sigwait())? * Is an interested thread waiting for this signal (sigwait())?
@@ -880,6 +881,13 @@ 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 * Is any other thread interested? The highest priority interested
* thread is selected. In the event of a tie, then the following * thread is selected. In the event of a tie, then the following
@@ -919,7 +927,10 @@ int kill(
object_table++; /* skip entry 0 */ object_table++; /* skip entry 0 */
for ( index = 1 ; index <= maximum ; index++ ) { 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, * 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 ]; api = the_thread->API_Extensions[ THREAD_API_POSIX ];
if ( !_POSIX_signals_Is_interested( api, mask ) ) if ( !api || !_POSIX_signals_Is_interested( api, mask ) )
continue; continue;
/* /*