Minix/minix
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Return errors directly instead of using errno

Browse Source
This commit is contained in:
Thomas Veerman
2011-04-13 14:01:13 +00:00
parent aba392e630
commit b1a60476c0
5 changed files with 123 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files

103
lib/libmthread/attribute.c
View File

@@ -48,15 +48,11 @@ mthread_attr_t *attr;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
if (!mthread_attr_valid(attr)) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr))
return(EINVAL);
/* Valide attribute; invalidate it */
mthread_attr_remove(attr);
@@ -78,13 +74,10 @@ mthread_attr_t *attr; /* Attribute */
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EAGAIN;
return(-1);
} else if (mthread_attr_valid(attr)) {
errno = EBUSY;
return(-1);
}
if (attr == NULL)
return(EAGAIN);
else if (mthread_attr_valid(attr))
return(EBUSY);
if ((a = malloc(sizeof(struct __mthread_attr))) == NULL)
return(-1);
@@ -111,16 +104,12 @@ int *detachstate;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
a = (struct __mthread_attr *) *attr;
if (!mthread_attr_valid(attr)) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr))
return(EINVAL);
*detachstate = a->ma_detachstate;
@@ -140,20 +129,15 @@ int detachstate;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
a = (struct __mthread_attr *) *attr;
if (!mthread_attr_valid(attr)) {
errno = EINVAL;
return(-1);
} else if(detachstate != MTHREAD_CREATE_JOINABLE &&
detachstate != MTHREAD_CREATE_DETACHED) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr))
return(EINVAL);
else if(detachstate != MTHREAD_CREATE_JOINABLE &&
detachstate != MTHREAD_CREATE_DETACHED)
return(EINVAL);
a->ma_detachstate = detachstate;
@@ -174,16 +158,12 @@ size_t *stacksize;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
a = (struct __mthread_attr *) *attr;
if (!mthread_attr_valid(attr)) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr))
return(EINVAL);
*stackaddr = a->ma_stackaddr;
*stacksize = a->ma_stacksize;
@@ -204,16 +184,12 @@ size_t *stacksize;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
a = (struct __mthread_attr *) *attr;
if (!mthread_attr_valid(attr)) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr))
return(EINVAL);
*stacksize = a->ma_stacksize;
@@ -234,16 +210,13 @@ size_t stacksize;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
a = (struct __mthread_attr *) *attr;
if (!mthread_attr_valid(attr) || stacksize < MTHREAD_STACK_MIN) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr) || stacksize < MTHREAD_STACK_MIN)
return(EINVAL);
/* We don't care about address alignment (POSIX standard). The ucontext
* system calls will make sure that the provided stack will be aligned (at
* the cost of some memory if needed).
@@ -268,16 +241,12 @@ size_t stacksize;
mthread_init(); /* Make sure mthreads is initialized */
if (attr == NULL) {
errno = EINVAL;
return(-1);
}
if (attr == NULL)
return(EINVAL);
a = (struct __mthread_attr *) *attr;
if (!mthread_attr_valid(attr) || stacksize < MTHREAD_STACK_MIN) {
errno = EINVAL;
return(-1);
}
if (!mthread_attr_valid(attr) || stacksize < MTHREAD_STACK_MIN)
return(EINVAL);
a->ma_stacksize = stacksize;