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pthread_create: changed EINVAL for no more threads back to EAGAIN

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This commit is contained in:
Mark Johannes committed 1996-08-23 14:47:58 +00:00
1 parent df70c6b3b0
commit 0b710dbbb0
2 files changed
+42 -40
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c/src/exec/posix/src/pthread.c
+21 -20
View File
@@ -20,26 +20,27 @@
#include <rtems/posix/key.h>
#include <rtems/posix/time.h>
#define PTHREAD_MINIMUM_STACK_SIZE (STACK_MINIMUM_SIZE * 2)
/*PAGE
*
* The default pthreads attributes structure.
*/
const pthread_attr_t _POSIX_Threads_Default_attributes = {
TRUE, /* is_initialized */
NULL, /* stackaddr */
STACK_MINIMUM_SIZE * 2, /* stacksize */
PTHREAD_SCOPE_PROCESS, /* contentionscope */
PTHREAD_EXPLICIT_SCHED, /* inheritsched */
SCHED_FIFO, /* schedpolicy */
{ /* schedparam */
128, /* sched_priority */
0, /* ss_low_priority */
{ 0L, 0 }, /* ss_replenish_period */
{ 0L, 0 } /* ss_initial_budget */
TRUE, /* is_initialized */
NULL, /* stackaddr */
PTHREAD_MINIMUM_STACK_SIZE, /* stacksize */
PTHREAD_SCOPE_PROCESS, /* contentionscope */
PTHREAD_EXPLICIT_SCHED, /* inheritsched */
SCHED_FIFO, /* schedpolicy */
{ /* schedparam */
2, /* sched_priority */
0, /* ss_low_priority */
{ 0L, 0 }, /* ss_replenish_period */
{ 0L, 0 } /* ss_initial_budget */
},
PTHREAD_CREATE_JOINABLE, /* detachstate */
1 /* cputime_clock_allowed */
PTHREAD_CREATE_JOINABLE, /* detachstate */
1 /* cputime_clock_allowed */
};
/*PAGE
@@ -630,10 +631,10 @@ int pthread_setschedparam(
case SCHED_RR:
the_thread->cpu_time_budget = _Thread_Ticks_per_timeslice;
_Thread_Change_priority(
the_thread,
_POSIX_Priority_To_core( api->schedparam.sched_priority )
);
the_thread->real_priority =
_POSIX_Priority_To_core( api->schedparam.sched_priority );
_Thread_Change_priority( the_thread, the_thread->real_priority );
break;
case SCHED_SPORADIC:
@@ -710,8 +711,8 @@ int pthread_attr_setstacksize(
if ( !attr || !attr->is_initialized )
return EINVAL;
if (stacksize < STACK_MINIMUM_SIZE)
attr->stacksize = STACK_MINIMUM_SIZE;
if (stacksize < PTHREAD_MINIMUM_STACK_SIZE)
attr->stacksize = PTHREAD_MINIMUM_STACK_SIZE;
else
attr->stacksize = stacksize;
return 0;
@@ -936,7 +937,7 @@ int pthread_create(
if ( !the_thread ) {
_Thread_Enable_dispatch();
return EINVAL;
return EAGAIN;
}
/*
cpukit/posix/src/pthread.c
+21 -20
View File
@@ -20,26 +20,27 @@
#include <rtems/posix/key.h>
#include <rtems/posix/time.h>
#define PTHREAD_MINIMUM_STACK_SIZE (STACK_MINIMUM_SIZE * 2)
/*PAGE
*
* The default pthreads attributes structure.
*/
const pthread_attr_t _POSIX_Threads_Default_attributes = {
TRUE, /* is_initialized */
NULL, /* stackaddr */
STACK_MINIMUM_SIZE * 2, /* stacksize */
PTHREAD_SCOPE_PROCESS, /* contentionscope */
PTHREAD_EXPLICIT_SCHED, /* inheritsched */
SCHED_FIFO, /* schedpolicy */
{ /* schedparam */
128, /* sched_priority */
0, /* ss_low_priority */
{ 0L, 0 }, /* ss_replenish_period */
{ 0L, 0 } /* ss_initial_budget */
TRUE, /* is_initialized */
NULL, /* stackaddr */
PTHREAD_MINIMUM_STACK_SIZE, /* stacksize */
PTHREAD_SCOPE_PROCESS, /* contentionscope */
PTHREAD_EXPLICIT_SCHED, /* inheritsched */
SCHED_FIFO, /* schedpolicy */
{ /* schedparam */
2, /* sched_priority */
0, /* ss_low_priority */
{ 0L, 0 }, /* ss_replenish_period */
{ 0L, 0 } /* ss_initial_budget */
},
PTHREAD_CREATE_JOINABLE, /* detachstate */
1 /* cputime_clock_allowed */
PTHREAD_CREATE_JOINABLE, /* detachstate */
1 /* cputime_clock_allowed */
};
/*PAGE
@@ -630,10 +631,10 @@ int pthread_setschedparam(
case SCHED_RR:
the_thread->cpu_time_budget = _Thread_Ticks_per_timeslice;
_Thread_Change_priority(
the_thread,
_POSIX_Priority_To_core( api->schedparam.sched_priority )
);
the_thread->real_priority =
_POSIX_Priority_To_core( api->schedparam.sched_priority );
_Thread_Change_priority( the_thread, the_thread->real_priority );
break;
case SCHED_SPORADIC:
@@ -710,8 +711,8 @@ int pthread_attr_setstacksize(
if ( !attr || !attr->is_initialized )
return EINVAL;
if (stacksize < STACK_MINIMUM_SIZE)
attr->stacksize = STACK_MINIMUM_SIZE;
if (stacksize < PTHREAD_MINIMUM_STACK_SIZE)
attr->stacksize = PTHREAD_MINIMUM_STACK_SIZE;
else
attr->stacksize = stacksize;
return 0;
@@ -936,7 +937,7 @@ int pthread_create(
if ( !the_thread ) {
_Thread_Enable_dispatch();
return EINVAL;
return EAGAIN;
}
/*