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#define CONFIGURE_INIT
#include "system.h"
#include <sched.h>
#include <fcntl.h>
#include <time.h>
#include <tmacros.h>
void *POSIX_Init(
void *argument
)
{
int status;
int value;
int i;
sem_t sems[CONFIGURE_MAXIMUM_POSIX_SEMAPHORES];
sem_t sem2;
sem_t *n_sem1;
sem_t *n_sem2;
sem_t testsem;
struct timespec waittime;
char failure_msg[80];
puts( "\n\n*** POSIX SEMAPHORE MANAGER TEST 1 ***" );
puts( "Init: sem_init - SUCCESSFUL" );
for (i = 0; i < CONFIGURE_MAXIMUM_POSIX_SEMAPHORES; i++) {
status = sem_init(&sems[i], 0, i);
sprintf(failure_msg, "sem_init %d", i );
fatal_directive_status( status, 0, failure_msg);
}
puts( "Init: sem_init - UNSUCCESSFUL (ENOSPC)" );
status = sem_init(&sem2, 0, 1);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, ENOSPC, "sem_init errorno ENOSPC" );
puts( "Init: sem_init - UNSUCCESSFUL (ENOSYS -- pshared not supported)" );
status = sem_init(&sem2, 1, 1);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, ENOSYS, "sem_init errno set to ENOSYS");
puts( "Init: sem_getvalue - SUCCESSFUL ");
for (i = 0; i < CONFIGURE_MAXIMUM_POSIX_SEMAPHORES; i++) {
status = sem_getvalue(&sems[i], &value);
sprintf( failure_msg, "sem_getvalue %d", i );
fatal_directive_status( status, 0, failure_msg );
fatal_directive_status( value, i, "sem_getvalue correct value" );
}
puts( "Init: sem_getvalue - UNSUCCESSFUL ");
status = sem_getvalue(&sem2, &value);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_getvalue errno EINVAL");
puts( "Init: sem_destroy - SUCCESSFUL" );
status = sem_destroy(&sems[0]);
fatal_directive_status( status, 0, "sem_destroy semaphore 0");
puts( "Init: sem_destroy - UNSUCCESSFUL (EINVAL)" );
status = sem_destroy(&sem2);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_destroy errno EINVAL");
puts( "Init: sem_wait - SUCCESSFUL" );
status = sem_wait(&sems[1]);
fatal_directive_status( status, 0, "sem_wait semaphore 1");
puts( "Init: sem_wait - UNSUCCESSFUL (EINVAL)" );
status = sem_wait(&sem2);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_wait errno EINVAL");
puts( "Init: sem_post - SUCCESSFUL" );
status = sem_post(&sems[1]);
fatal_directive_status( status, 0, "sem_post semaphore 1");
puts( "Init: sem_wait - SUCCESSFUL (after a sem_post)" );
status = sem_wait(&sems[1]);
fatal_directive_status( status, 0, "sem_wait semaphore 1");
puts( "Init: sem_trywait - SUCCESSFUL" );
status = sem_trywait(&sems[2]);
fatal_directive_status( status, 0, "sem_trywait semaphore 2");
puts( "Init: sem_trywait - UNSUCCESSFUL (EAGAIN)" );
status = sem_trywait(&sems[1]);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EAGAIN, "sem_trywait errno EAGAIN");
puts( "Init: sem_trywait - UNSUCCESSFUL (EINVAL)" );
status = sem_trywait(&sem2);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_trywait errno EINVAL");
puts( "Init: sem_timedwait - SUCCESSFUL" );
waittime.tv_sec = 0;
waittime.tv_nsec = 100;
status = sem_timedwait(&sems[2], &waittime);
fatal_directive_status( status, 0, "sem_timedwait semaphore 2");
puts( "Init: sem_timedwait - UNSUCCESSFUL (ETIMEDOUT)" );
status = sem_timedwait(&sems[1], &waittime);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, ETIMEDOUT, "sem_init errno ETIMEDOUT");
puts( "Init: sem_timedwait - UNSUCCESSFUL (EINVAL)" );
status = sem_timedwait(&sem2, &waittime);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_init errno EINVAL");
puts( "Init: sem_post - UNSUCCESSFUL (EINVAL)" );
status = sem_post(&sem2);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_post errno EINVAL");
puts( "Init: sem_destroy - SUCCESSFUL" );
for (i = 1; i < CONFIGURE_MAXIMUM_POSIX_SEMAPHORES; i++) {
status = sem_destroy(&sems[i]);
sprintf( failure_msg, "sem_destroy %d", i );
fatal_directive_status( status, 0, failure_msg );
}
/* Modes are currently unsupported */
/*
* Validate all sem_open return paths.
*/
puts( "Init: sem_open - sem1 SUCCESSFUL" );
n_sem1 = sem_open("sem1", O_CREAT, 00777, 1);
assert( n_sem1 != SEM_FAILED );
puts( "Init: sem_open - UNSUCCESSFUL (EEXIST)" );
n_sem2 = sem_open("sem1", O_CREAT | O_EXCL, 00777, 1);
fatal_directive_status(
(int) n_sem2, (int ) SEM_FAILED, "sem_open error return status" );
fatal_directive_status( errno, EEXIST, "sem_open errno EEXIST");
/*
* Validate we can wait on a semaphore opened with sem_open.
*/
puts( "Init: sem_wait on sem1" );
status = sem_wait(n_sem1);
fatal_directive_status( status, 0, "sem_wait opened semaphore");
#if 0
puts( "Init: sem_unlink - sem1 SUCCESSFUL" );
status = sem_unlink( "sem1" );
fatal_directive_status( status, 0, "sem_unlink locked semaphore");
puts( "Init: sem_open - Reopen sem1 SUCCESSFUL with a different id" );
n_sem2 = sem_open( "sem1", O_CREAT | O_EXCL, 00777, 1);
assert( n_sem2 != SEM_FAILED );
#endif
/*
* Validate we can call close on a semaphore opened with sem_open.
*/
puts( "Init: sem_close - SUCCESSFUL" );
status = sem_close( n_sem1 );
fatal_directive_status( status, 0, "sem_close semaphore");
/*
* Notes:
* Calls to sem_close when sem_link has not been previously called shall
* have no effect on the state of the semaphore.
*
*
puts( "Init: sem_close - UNSUCCESSFUL (EINVAL)" );
status = sem_close(n_sem2);
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, EINVAL, "sem_close errno EINVAL");
puts( "Init: sem_unlink - SUCCESSFUL" );
status = sem_unlink("sem1");
fatal_directive_status( status, 0, "sem_unlink semaphore");
puts( "Init: sem_unlink - UNSUCCESSFUL (ENOENT)" );
status = sem_unlink("sem2");
fatal_directive_status( status, -1, "sem_init error return status");
fatal_directive_status( errno, ENOENT, "sem_unlink errno ENOENT");
assert( (status == -1) && (errno == ENOENT) );
*/
/* Try adding in unlinking before closing... (can we still open?) */
puts( "*** POSIX SEMAPHORE MANAGER TEST 1 COMPLETED ***" );
exit(0);
return NULL; /* just so the compiler thinks we returned something */
}
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