diff options
Diffstat (limited to 'lib/libpthread/thread/thr_create.c')
| -rw-r--r-- | lib/libpthread/thread/thr_create.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/lib/libpthread/thread/thr_create.c b/lib/libpthread/thread/thr_create.c index e6db381..1d57f8a 100644 --- a/lib/libpthread/thread/thr_create.c +++ b/lib/libpthread/thread/thr_create.c @@ -49,6 +49,7 @@ _thread_create(pthread_t * thread, const pthread_attr_t * attr, int ret = 0; int status; pthread_t new_thread; + pthread_attr_t pattr; void *stack; /* Block signals: */ @@ -60,15 +61,17 @@ _thread_create(pthread_t * thread, const pthread_attr_t * attr, ret = EAGAIN; } else { /* Check if default thread attributes are required: */ - if (attr == NULL) { + if (attr == NULL || *attr == NULL) { /* Use the default thread attributes: */ - attr = &pthread_attr_default; + pattr = &pthread_attr_default; + } else { + pattr = *attr; } /* Check if a stack was specified in the thread attributes: */ - if ((stack = attr->stackaddr_attr) != NULL) { + if ((stack = pattr->stackaddr_attr) != NULL) { } /* Allocate memory for the stack: */ - else if ((stack = (void *) malloc(attr->stacksize_attr)) == NULL) { + else if ((stack = (void *) malloc(pattr->stacksize_attr)) == NULL) { /* Insufficient memory to create a thread: */ ret = EAGAIN; free(new_thread); @@ -83,7 +86,7 @@ _thread_create(pthread_t * thread, const pthread_attr_t * attr, new_thread->stack = stack; new_thread->start_routine = start_routine; new_thread->arg = arg; - if (attr->suspend == PTHREAD_CREATE_SUSPENDED) { + if (pattr->suspend == PTHREAD_CREATE_SUSPENDED) { new_thread->state = PS_SUSPENDED; } else { new_thread->state = PS_RUNNING; @@ -148,19 +151,19 @@ _thread_create(pthread_t * thread, const pthread_attr_t * attr, /* The stack starts high and builds down: */ #if defined(__FreeBSD__) - new_thread->saved_jmp_buf[0]._jb[2] = (int) (new_thread->stack + attr->stacksize_attr - sizeof(double)); + new_thread->saved_jmp_buf[0]._jb[2] = (int) (new_thread->stack + pattr->stacksize_attr - sizeof(double)); #elif defined(__NetBSD__) #if defined(__alpha) - new_thread->saved_jmp_buf[4 + R_SP] = (long) new_thread->stack + attr->stacksize_attr - sizeof(double); + new_thread->saved_jmp_buf[4 + R_SP] = (long) new_thread->stack + pattr->stacksize_attr - sizeof(double); #else - new_thread->saved_jmp_buf[2] = (long) new_thread->stack + attr->stacksize_attr - sizeof(double); + new_thread->saved_jmp_buf[2] = (long) new_thread->stack + pattr->stacksize_attr - sizeof(double); #endif #else #error "Don't recognize this operating system!" #endif /* Copy the thread attributes: */ - memcpy(&new_thread->attr, attr, sizeof(pthread_attr_t)); + memcpy(&new_thread->attr, pattr, sizeof(struct pthread_attr)); /* * Check if this thread is to inherit the scheduling |
