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Patch from Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca> to add

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support for return codes from POSIX threads that do an implicit exit
by returning from the bottom of the main function.
This commit is contained in:
Joel Sherrill
1999-08-30 18:05:48 +00:00
parent f724a870c6
commit 260b0c2155
6 changed files with 86 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
c/src/exec/posix/src/pthread.c
View File

@@ -219,6 +219,18 @@ User_extensions_routine _POSIX_Threads_Delete_extension(
(void) _Workspace_Free( api );
}
/*
*
* _POSIX_Threads_Exitted_extension
*/
User_extensions_routine _POSIX_Threads_Exitted_extension(
Thread_Control *executing
)
{
pthread_exit( executing->Wait.return_argument );
}
/*PAGE
*
* _POSIX_Threads_Initialize_user_threads
@@ -293,7 +305,7 @@ User_extensions_Control _POSIX_Threads_User_extensions = {
_POSIX_Threads_Delete_extension, /* delete */
NULL, /* switch */
NULL, /* begin */
NULL, /* exitted */
_POSIX_Threads_Exitted_extension, /* exitted */
NULL /* fatal */
}
};

7
c/src/exec/score/include/rtems/score/thread.h
View File

@@ -36,9 +36,14 @@ extern "C" {
/*
* The following defines the "return type" of a thread.
*
* NOTE: This cannot always be right. Some APIs have void
* tasks/threads, others return pointers, others may
* return a numeric value. Hopefully a pointer is
* always at least as big as an unsigned32. :)
*/
typedef void Thread;
typedef void *Thread;
/*
* The following defines the ways in which the entry point for a

37
c/src/exec/score/src/threadhandler.c
View File

@@ -86,29 +86,40 @@ void _Thread_Handler( void )
switch ( executing->Start.prototype ) {
case THREAD_START_NUMERIC:
(*(Thread_Entry_numeric) executing->Start.entry_point)(
executing->Start.numeric_argument
executing->Wait.return_argument =
(*(Thread_Entry_numeric) executing->Start.entry_point)(
executing->Start.numeric_argument
);
break;
case THREAD_START_POINTER:
(*(Thread_Entry_pointer) executing->Start.entry_point)(
executing->Start.pointer_argument
);
executing->Wait.return_argument =
(*(Thread_Entry_pointer) executing->Start.entry_point)(
executing->Start.pointer_argument
);
break;
case THREAD_START_BOTH_POINTER_FIRST:
(*(Thread_Entry_both_pointer_first) executing->Start.entry_point)(
executing->Start.pointer_argument,
executing->Start.numeric_argument
);
executing->Wait.return_argument =
(*(Thread_Entry_both_pointer_first) executing->Start.entry_point)(
executing->Start.pointer_argument,
executing->Start.numeric_argument
);
break;
case THREAD_START_BOTH_NUMERIC_FIRST:
(*(Thread_Entry_both_numeric_first) executing->Start.entry_point)(
executing->Start.numeric_argument,
executing->Start.pointer_argument
);
executing->Wait.return_argument =
(*(Thread_Entry_both_numeric_first) executing->Start.entry_point)(
executing->Start.numeric_argument,
executing->Start.pointer_argument
);
break;
}
/*
* In the switch above, the return code from the user thread body
* was placed in return_argument. This assumed that if it returned
* anything (which is not supporting in all APIs), then it would be
* able to fit in a (void *).
*/
_User_extensions_Thread_exitted( executing );
_Internal_error_Occurred(