diff options
author | Joel Sherrill <joel.sherrill@oarcorp.com> | 2014-03-04 15:54:12 -0600 |
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committer | Joel Sherrill <joel.sherrill@oarcorp.com> | 2014-03-07 13:21:11 -0600 |
commit | e6c87f78724743bc74a38678f93ed579ace840f2 (patch) | |
tree | dce3962edb00574dade0c8caf837cd85b9607831 /cpukit/sapi/include/confdefs.h | |
parent | Remove trailing whitespace in previous patches (diff) | |
download | rtems-e6c87f78724743bc74a38678f93ed579ace840f2.tar.bz2 |
POSIX keys now enabled in all configurations.
Formerly POSIX keys were only enabled when POSIX threads
were enabled. Because they are a truly safe alternative
to per-task variables in an SMP system, they are being
enabled in all configurations.
Diffstat (limited to 'cpukit/sapi/include/confdefs.h')
-rw-r--r-- | cpukit/sapi/include/confdefs.h | 80 |
1 files changed, 46 insertions, 34 deletions
diff --git a/cpukit/sapi/include/confdefs.h b/cpukit/sapi/include/confdefs.h index f016b07254..08b8b5f4d7 100644 --- a/cpukit/sapi/include/confdefs.h +++ b/cpukit/sapi/include/confdefs.h @@ -29,7 +29,7 @@ */ /* - * COPYRIGHT (c) 1989-2011. + * COPYRIGHT (c) 1989-2014. * On-Line Applications Research Corporation (OAR). * * The license and distribution terms for this file may be @@ -1722,8 +1722,33 @@ const rtems_libio_helper rtems_fs_init_helper = * POSIX API Configuration Parameters */ -#ifdef RTEMS_POSIX_API +/* + * POSIX Keys are available whether or not the POSIX API is enabled. + */ +#include <rtems/posix/key.h> + +#ifndef CONFIGURE_MAXIMUM_POSIX_KEYS + #define CONFIGURE_MAXIMUM_POSIX_KEYS 0 + #define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS 0 +#else + #ifndef CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS + #define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS \ + (CONFIGURE_MAXIMUM_POSIX_KEYS * \ + (CONFIGURE_MAXIMUM_POSIX_THREADS + CONFIGURE_MAXIMUM_TASKS)) + #endif +#endif +#define CONFIGURE_MEMORY_FOR_POSIX_KEYS(_keys, _key_value_pairs) \ + (_Configure_Object_RAM(_keys, sizeof(POSIX_Keys_Control) ) \ + + _Configure_From_workspace( \ + _key_value_pairs * sizeof(POSIX_Keys_Key_value_pair))) + +/* + * The rest of the POSIX threads API features are only available when + * POSIX is enabled. + */ + +#ifdef RTEMS_POSIX_API #include <sys/types.h> #include <signal.h> #include <limits.h> @@ -1732,7 +1757,6 @@ const rtems_libio_helper rtems_fs_init_helper = #include <rtems/posix/cond.h> #include <rtems/posix/mqueue.h> #include <rtems/posix/mutex.h> - #include <rtems/posix/key.h> #include <rtems/posix/psignal.h> #include <rtems/posix/pthread.h> #include <rtems/posix/rwlock.h> @@ -1774,20 +1798,6 @@ const rtems_libio_helper rtems_fs_init_helper = _Configure_Object_RAM(_condvars, \ sizeof(POSIX_Condition_variables_Control) ) - #ifndef CONFIGURE_MAXIMUM_POSIX_KEYS - #define CONFIGURE_MAXIMUM_POSIX_KEYS 0 - #define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS 0 - #else - #ifndef CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS - #define CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS \ - CONFIGURE_MAXIMUM_POSIX_KEYS \ - * (CONFIGURE_MAXIMUM_POSIX_THREADS + CONFIGURE_MAXIMUM_TASKS) - #endif - #endif - #define CONFIGURE_MEMORY_FOR_POSIX_KEYS(_keys, _key_value_pairs) \ - (_Configure_Object_RAM(_keys, sizeof(POSIX_Keys_Control) ) \ - + _Configure_From_workspace(_key_value_pairs * sizeof(POSIX_Keys_Key_value_pair))) - #ifndef CONFIGURE_MAXIMUM_POSIX_TIMERS #define CONFIGURE_MAXIMUM_POSIX_TIMERS 0 #endif @@ -1894,8 +1904,6 @@ const rtems_libio_helper rtems_fs_init_helper = CONFIGURE_MEMORY_FOR_POSIX_CONDITION_VARIABLES( \ CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES + \ CONFIGURE_MAXIMUM_GO_CHANNELS + CONFIGURE_GO_INIT_CONDITION_VARIABLES) + \ - CONFIGURE_MEMORY_FOR_POSIX_KEYS( CONFIGURE_MAXIMUM_POSIX_KEYS, \ - CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS ) + \ CONFIGURE_MEMORY_FOR_POSIX_QUEUED_SIGNALS( \ CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS ) + \ CONFIGURE_MEMORY_FOR_POSIX_MESSAGE_QUEUES( \ @@ -2213,6 +2221,9 @@ const rtems_libio_helper rtems_fs_init_helper = CONFIGURE_MEMORY_FOR_TASKS( \ CONFIGURE_TOTAL_TASKS_AND_THREADS, CONFIGURE_TOTAL_TASKS_AND_THREADS) + \ CONFIGURE_MEMORY_FOR_CLASSIC + \ + CONFIGURE_MEMORY_FOR_POSIX_KEYS( \ + CONFIGURE_MAXIMUM_POSIX_KEYS, \ + CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS ) + \ CONFIGURE_MEMORY_FOR_POSIX + \ CONFIGURE_MEMORY_FOR_STATIC_EXTENSIONS + \ CONFIGURE_MEMORY_FOR_MP + \ @@ -2344,8 +2355,6 @@ const rtems_libio_helper rtems_fs_init_helper = CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES + CONFIGURE_MAXIMUM_ADA_TASKS + CONFIGURE_MAXIMUM_FAKE_ADA_TASKS + CONFIGURE_GO_INIT_CONDITION_VARIABLES + CONFIGURE_MAXIMUM_GO_CHANNELS, - CONFIGURE_MAXIMUM_POSIX_KEYS, - CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS, CONFIGURE_MAXIMUM_POSIX_TIMERS, CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS, CONFIGURE_MAXIMUM_POSIX_MESSAGE_QUEUES, @@ -2389,6 +2398,8 @@ const rtems_libio_helper rtems_fs_init_helper = CONFIGURE_EXECUTIVE_RAM_SIZE, /* required RTEMS workspace */ CONFIGURE_STACK_SPACE_SIZE, /* required stack space */ CONFIGURE_MAXIMUM_USER_EXTENSIONS, /* maximum dynamic extensions */ + CONFIGURE_MAXIMUM_POSIX_KEYS, /* POSIX keys are always */ + CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS, /* enabled */ CONFIGURE_MICROSECONDS_PER_TICK, /* microseconds per clock tick */ 1000 * CONFIGURE_MICROSECONDS_PER_TICK, /* nanoseconds per clock tick */ CONFIGURE_TICKS_PER_TIMESLICE, /* ticks per timeslice quantum */ @@ -2525,11 +2536,13 @@ const rtems_libio_helper rtems_fs_init_helper = uint32_t BARRIERS; uint32_t USER_EXTENSIONS; + /* POSIX API managers that are always enabled */ + uint32_t POSIX_KEYS; + #ifdef RTEMS_POSIX_API /* POSIX API Pieces */ uint32_t POSIX_MUTEXES; uint32_t POSIX_CONDITION_VARIABLES; - uint32_t POSIX_KEYS; uint32_t POSIX_TIMERS; uint32_t POSIX_QUEUED_SIGNALS; uint32_t POSIX_MESSAGE_QUEUES; @@ -2580,6 +2593,8 @@ const rtems_libio_helper rtems_fs_init_helper = CONFIGURE_MEMORY_FOR_PERIODS(CONFIGURE_MAXIMUM_PERIODS), CONFIGURE_MEMORY_FOR_BARRIERS(CONFIGURE_BARRIERS), CONFIGURE_MEMORY_FOR_USER_EXTENSIONS(CONFIGURE_MAXIMUM_USER_EXTENSIONS), + CONFIGURE_MEMORY_FOR_POSIX_KEYS( CONFIGURE_MAXIMUM_POSIX_KEYS, \ + CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS ), #ifdef RTEMS_POSIX_API /* POSIX API Pieces */ @@ -2589,8 +2604,6 @@ const rtems_libio_helper rtems_fs_init_helper = CONFIGURE_MEMORY_FOR_POSIX_CONDITION_VARIABLES( CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES + CONFIGURE_MAXIMUM_GO_CHANNELS + CONFIGURE_GO_INIT_CONDITION_VARIABLES), - CONFIGURE_MEMORY_FOR_POSIX_KEYS( CONFIGURE_MAXIMUM_POSIX_KEYS, \ - CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS ), CONFIGURE_MEMORY_FOR_POSIX_QUEUED_SIGNALS( CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS ), CONFIGURE_MEMORY_FOR_POSIX_MESSAGE_QUEUES( @@ -2655,13 +2668,15 @@ const rtems_libio_helper rtems_fs_init_helper = /* * If an attempt was made to configure POSIX objects and * the POSIX API was not configured into RTEMS, error out. + * + * @note POSIX Keys are always available so the parameters + * CONFIGURE_MAXIMUM_POSIX_KEYS and + * CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS are not in this list. */ #if !defined(RTEMS_POSIX_API) #if ((CONFIGURE_MAXIMUM_POSIX_THREADS != 0) || \ (CONFIGURE_MAXIMUM_POSIX_MUTEXES != 0) || \ (CONFIGURE_MAXIMUM_POSIX_CONDITION_VARIABLES != 0) || \ - (CONFIGURE_MAXIMUM_POSIX_KEYS != 0) || \ - (CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS != 0) || \ (CONFIGURE_MAXIMUM_POSIX_TIMERS != 0) || \ (CONFIGURE_MAXIMUM_POSIX_QUEUED_SIGNALS != 0) || \ (CONFIGURE_MAXIMUM_POSIX_MESSAGE_QUEUES != 0) || \ @@ -2747,14 +2762,11 @@ const rtems_libio_helper rtems_fs_init_helper = * POSIX Key pair shouldn't be less than POSIX Key, which is highly * likely to be error. */ -#if defined(RTEMS_POSIX_API) - #if (CONFIGURE_MAXIMUM_POSIX_KEYS != 0) && \ - (CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS != 0) - #if (CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS < \ - CONFIGURE_MAXIMUM_POSIX_KEYS) - #error "Fewer POSIX Key pairs than POSIX Key!" - #endif - #endif +#if (CONFIGURE_MAXIMUM_POSIX_KEYS != 0) && \ + (CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS != 0) + #if (CONFIGURE_MAXIMUM_POSIX_KEY_VALUE_PAIRS < CONFIGURE_MAXIMUM_POSIX_KEYS) + #error "Fewer POSIX Key pairs than POSIX Key!" + #endif #endif #endif |