Closes #4713. --- cpukit/posix/src/pthreadatfork.c | 13 +++++-------- testsuites/psxtests/psxenosys/init.c | 10 ++++++++-- testsuites/psxtests/psxenosys/psxenosys.scn | 2 +- 3 files changed, 14 insertions(+), 11 deletions(-)
diff --git a/cpukit/posix/src/pthreadatfork.c b/cpukit/posix/src/pthreadatfork.c index 1ee03a0..27e6c72 100644 --- a/cpukit/posix/src/pthreadatfork.c +++ b/cpukit/posix/src/pthreadatfork.c @@ -8,7 +8,7 @@ */ /* - * COPYRIGHT (c) 1989-2007. + * COPYRIGHT (c) 1989-2007, 2022. * On-Line Applications Research Corporation (OAR). * * Redistribution and use in source and binary forms, with or without @@ -47,12 +47,8 @@ * * 3.1.3 Register Fork Handlers, P1003.1c/Draft 10, P1003.1c/Draft 10, p. 27 * - * RTEMS does not support processes, so we fall under this and do not - * provide this routine: - * - * "Either the implementation shall support the pthread_atfork() function - * as described above or the pthread_atfork() funciton shall not be - * provided." + * RTEMS does not support processes and we follow the FACE Technical Standard + * recommendation to return 0 when multiple processes are not supported. */ int pthread_atfork( void (*prepare)(void), @@ -63,5 +59,6 @@ int pthread_atfork( (void) prepare; (void) parent; (void) child; - rtems_set_errno_and_return_minus_one( ENOSYS ); + + return 0; } diff --git a/testsuites/psxtests/psxenosys/init.c b/testsuites/psxtests/psxenosys/init.c index 40f83aa..d9a4d83 100644 --- a/testsuites/psxtests/psxenosys/init.c +++ b/testsuites/psxtests/psxenosys/init.c @@ -104,9 +104,15 @@ void *POSIX_Init( sc = fork(); check_enosys( sc ); - puts( "pthread_atfork -- ENOSYS" ); + /* + * The behavior of pthread_atfork() in single process environments was + * undefined by POSIX but the fACE Technical Standard required returning + * 0. Before ticket #4713, this did return ENOSYS. Just leaving this test + * case here for convenience. + */ + puts( "pthread_atfork -- 0" ); sc = pthread_atfork( NULL, NULL, NULL ); - check_enosys( sc ); + rtems_test_assert( !sc ); puts( "pthread_getcpuclockid -- ENOSYS" ); sc = pthread_getcpuclockid( 0, NULL ); diff --git a/testsuites/psxtests/psxenosys/psxenosys.scn b/testsuites/psxtests/psxenosys/psxenosys.scn index 1ed64f9..9e88acd 100644 --- a/testsuites/psxtests/psxenosys/psxenosys.scn +++ b/testsuites/psxtests/psxenosys/psxenosys.scn @@ -9,7 +9,7 @@ execv -- ENOSYS execve -- ENOSYS execvp -- ENOSYS fork -- ENOSYS -pthread_atfork -- ENOSYS +pthread_atfork -- 0 pthread_getcpuclockid -- ENOSYS sched_setparam -- ENOSYS sched_getparam -- ENOSYS -- 1.8.3.1 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
