diff options
Diffstat (limited to 'cpukit')
| -rw-r--r-- | cpukit/posix/Makefile.am | 1 | ||||
| -rw-r--r-- | cpukit/posix/src/pthreadconcurrency.c | 42 |
2 files changed, 43 insertions, 0 deletions
diff --git a/cpukit/posix/Makefile.am b/cpukit/posix/Makefile.am index ed62232b72..12427d5896 100644 --- a/cpukit/posix/Makefile.am +++ b/cpukit/posix/Makefile.am @@ -126,6 +126,7 @@ libposix_a_SOURCES += src/pthreadatfork.c src/pthreadattrdestroy.c \ src/pthreadattrsetstack.c src/pthreadattrsetstacksize.c \ src/pthreadgetattrnp.c \ src/pthreadattrgetguardsize.c src/pthread.c \ + src/pthreadconcurrency.c \ src/pthreadcreate.c src/pthreaddetach.c src/pthreadequal.c \ src/pthreadexit.c src/pthreadgetcpuclockid.c \ src/pthreadgetschedparam.c \ diff --git a/cpukit/posix/src/pthreadconcurrency.c b/cpukit/posix/src/pthreadconcurrency.c new file mode 100644 index 0000000000..7e9c9c0b18 --- /dev/null +++ b/cpukit/posix/src/pthreadconcurrency.c @@ -0,0 +1,42 @@ +#if HAVE_CONFIG_H +#include "config.h" +#endif + +/** + * @file + * + * @brief Pthread Get/Set Concurrency + * @ingroup POSIXAPI + * + * Per the Open Group specification, when user pthreads are mapped 1:1 + * onto kernel threads, the implementation simply tracks an internal + * variable whose initial value is 0. If it is set, subsequent calls to + * obtain the value return that previously set. + */ + +/* + * COPYRIGHT (c) 2016. + * On-Line Applications Research Corporation (OAR). + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#include <pthread.h> +#include <errno.h> + +static int pthread_concurrency_level; + +int pthread_getconcurrency(void) +{ + return pthread_concurrency_level; +} + +int pthread_setconcurrency( + int new_level +) +{ + pthread_concurrency_level = new_level; + return 0; +} |