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authorJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-02 18:40:30 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1999-11-02 18:40:30 +0000
commit63edcf242a2cd5d53537bae95943b5fcd0eed5fe (patch)
treeef89e3990ce24e032e35edd2807d77e0c3561a1a /cpukit/posix/src/keycreate.c
parentWrong routine was initially cut into this file. (diff)
downloadrtems-63edcf242a2cd5d53537bae95943b5fcd0eed5fe.tar.bz2
Split key.c into multiple files.
Diffstat (limited to 'cpukit/posix/src/keycreate.c')
-rw-r--r--cpukit/posix/src/keycreate.c75
1 files changed, 75 insertions, 0 deletions
diff --git a/cpukit/posix/src/keycreate.c b/cpukit/posix/src/keycreate.c
new file mode 100644
index 0000000000..da6b4d40af
--- /dev/null
+++ b/cpukit/posix/src/keycreate.c
@@ -0,0 +1,75 @@
+/*
+ * $Id$
+ */
+
+#include <errno.h>
+#include <limits.h>
+#include <pthread.h>
+#include <string.h>
+
+#include <rtems/system.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/wkspace.h>
+#include <rtems/posix/key.h>
+
+/*PAGE
+ *
+ * 17.1.1 Thread-Specific Data Key Create, P1003.1c/Draft 10, p. 163
+ */
+
+int pthread_key_create(
+ pthread_key_t *key,
+ void (*destructor)( void * )
+)
+{
+ POSIX_Keys_Control *the_key;
+ void *table;
+ unsigned32 the_class;
+ unsigned32 bytes_to_allocate;
+
+
+ _Thread_Disable_dispatch();
+
+ the_key = _POSIX_Keys_Allocate();
+
+ if ( !the_key ) {
+ _Thread_Enable_dispatch();
+ return EAGAIN;
+ }
+
+ the_key->destructor = destructor;
+
+ for ( the_class = OBJECTS_CLASSES_FIRST_THREAD_CLASS;
+ the_class <= OBJECTS_CLASSES_LAST_THREAD_CLASS;
+ the_class++ ) {
+
+ bytes_to_allocate =
+ (_Objects_Information_table[ the_class ]->maximum + 1) * sizeof( void * );
+
+ table = _Workspace_Allocate( bytes_to_allocate );
+
+ if ( !table ) {
+ for ( --the_class;
+ the_class >= OBJECTS_CLASSES_FIRST_THREAD_CLASS;
+ the_class-- )
+ _Workspace_Free( the_key->Values[ the_class ] );
+
+ _POSIX_Keys_Free( the_key );
+ _Thread_Enable_dispatch();
+ return ENOMEM;
+ }
+
+ the_key->Values[ the_class ] = table;
+ memset( table, '\0', bytes_to_allocate );
+ }
+
+ the_key->is_active = TRUE;
+
+ _Objects_Open( &_POSIX_Keys_Information, &the_key->Object, 0 );
+
+ *key = the_key->Object.id;
+
+ _Thread_Enable_dispatch();
+
+ return 0;
+}