minix/lib/libc/posix/_waitpid.c

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2005-04-21 16:53:53 +02:00
#include <lib.h>
#define waitpid _waitpid
#include <sys/wait.h>
PUBLIC pid_t waitpid(pid, status, options)
pid_t pid;
int *status;
int options;
{
message m;
m.m1_i1 = pid;
m.m1_i2 = options;
if (_syscall(MM, WAITPID, &m) < 0) return(-1);
if (status != 0) *status = m.m2_i1;
return m.m_type;
}