[PATCH 3/3] rtems: Improve semaphore create error checks
Sebastian Huber
sebastian.huber at embedded-brains.de
Tue Mar 16 13:57:56 UTC 2021
Do not mix checks for different error indicators (RTEMS_NOT_DEFINED and
RTEMS_INVALID_NUMBER). This simplifies the specification of
rtems_semaphore_create().
---
cpukit/rtems/src/semcreate.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)
diff --git a/cpukit/rtems/src/semcreate.c b/cpukit/rtems/src/semcreate.c
index 0246c91bc9..b58ea0199f 100644
--- a/cpukit/rtems/src/semcreate.c
+++ b/cpukit/rtems/src/semcreate.c
@@ -72,12 +72,6 @@ rtems_status_code rtems_semaphore_create(
if ( maybe_global == RTEMS_COUNTING_SEMAPHORE ) {
variant = SEMAPHORE_VARIANT_COUNTING;
- } else if ( count > 1 ) {
- /*
- * The remaining variants are all binary semphores, thus reject an invalid
- * count value.
- */
- return RTEMS_INVALID_NUMBER;
} else if ( maybe_global == RTEMS_SIMPLE_BINARY_SEMAPHORE ) {
variant = SEMAPHORE_VARIANT_SIMPLE_BINARY;
} else if ( maybe_global == RTEMS_BINARY_SEMAPHORE ) {
@@ -109,6 +103,10 @@ rtems_status_code rtems_semaphore_create(
return RTEMS_NOT_DEFINED;
}
+ if ( count > 1 && variant != SEMAPHORE_VARIANT_COUNTING ) {
+ return RTEMS_INVALID_NUMBER;
+ }
+
the_semaphore = _Semaphore_Allocate();
if ( !the_semaphore ) {
--
2.26.2
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