minix/lib/posix/_getegid.c
2009-11-09 10:26:00 +00:00

16 lines
442 B
C

#include <lib.h>
#define getegid _getegid
#include <unistd.h>
PUBLIC gid_t getegid()
{
message m;
/* POSIX says that this function is always successful and that no
* return value is reserved to indicate an error. Minix syscalls
* are not always successful and Minix returns the unreserved value
* (gid_t) -1 when there is an error.
*/
if (_syscall(MM, GETGID, &m) < 0) return ( (gid_t) -1);
return( (gid_t) m.m2_i1);
}