minix/minix/lib/libsys/taskcall.c
Lionel Sambuc 433d6423c3 New sources layout
Change-Id: Ic716f336b7071063997cf5b4dae6d50e0b4631e9
2014-07-31 16:00:30 +02:00

21 lines
448 B
C

/* _taskcall() is the same as _syscall() except it returns negative error
* codes directly and not in errno. This is a better interface for PM and
* VFS.
*/
#include <lib.h>
#include <minix/syslib.h>
int _taskcall(who, syscallnr, msgptr)
endpoint_t who;
int syscallnr;
register message *msgptr;
{
int status;
msgptr->m_type = syscallnr;
status = ipc_sendrec(who, msgptr);
if (status != 0) return(status);
return(msgptr->m_type);
}