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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-05-17 22:58:30 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-05-17 22:58:30 +0000 |
commit | c06d8f64671da8f2a1afeb8b3313f064e7257de3 (patch) | |
tree | 6afa4aa8420e16b3f87dd6e24d701a7dbaaf6fbb /cpukit/rtems/src/semident.c | |
parent | Moved some MP routines to semmp.c. (diff) | |
download | rtems-c06d8f64671da8f2a1afeb8b3313f064e7257de3.tar.bz2 |
Split the Semaphore Manager into one routine per file.
Diffstat (limited to '')
-rw-r--r-- | cpukit/rtems/src/semident.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/cpukit/rtems/src/semident.c b/cpukit/rtems/src/semident.c new file mode 100644 index 0000000000..15c26f0b05 --- /dev/null +++ b/cpukit/rtems/src/semident.c @@ -0,0 +1,78 @@ +/* + * Semaphore Manager + * + * DESCRIPTION: + * + * This package is the implementation of the Semaphore Manager. + * This manager utilizes standard Dijkstra counting semaphores to provide + * synchronization and mutual exclusion capabilities. + * + * Directives provided are: + * + * + create a semaphore + * + get an ID of a semaphore + * + delete a semaphore + * + acquire a semaphore + * + release a semaphore + * + * COPYRIGHT (c) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems/system.h> +#include <rtems/rtems/status.h> +#include <rtems/rtems/support.h> +#include <rtems/rtems/attr.h> +#include <rtems/score/isr.h> +#include <rtems/score/object.h> +#include <rtems/rtems/options.h> +#include <rtems/rtems/sem.h> +#include <rtems/score/coremutex.h> +#include <rtems/score/coresem.h> +#include <rtems/score/states.h> +#include <rtems/score/thread.h> +#include <rtems/score/threadq.h> +#if defined(RTEMS_MULTIPROCESSING) +#include <rtems/score/mpci.h> +#endif +#include <rtems/score/sysstate.h> + +#include <rtems/score/interr.h> + +/*PAGE + * + * rtems_semaphore_ident + * + * This directive returns the system ID associated with + * the semaphore name. + * + * Input parameters: + * name - user defined semaphore name + * node - node(s) to be searched + * id - pointer to semaphore id + * + * Output parameters: + * *id - semaphore id + * RTEMS_SUCCESSFUL - if successful + * error code - if unsuccessful + */ + +rtems_status_code rtems_semaphore_ident( + rtems_name name, + unsigned32 node, + Objects_Id *id +) +{ + Objects_Name_to_id_errors status; + + status = _Objects_Name_to_id( &_Semaphore_Information, &name, node, id ); + + return _Status_Object_name_errors_to_status[ status ]; +} |