minix/lib/libc/posix/_getegid.c
2010-06-08 13:58:01 +00:00

16 lines
450 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(PM_PROC_NR, GETGID, &m) < 0) return ( (gid_t) -1);
return( (gid_t) m.m2_i1);
}