54 lines
812 B
C
54 lines
812 B
C
#include <u.h>
|
|
#include <libc.h>
|
|
|
|
static Waitmsg*
|
|
_wait(int n, char *buf)
|
|
{
|
|
int l;
|
|
char *fld[5];
|
|
Waitmsg *w;
|
|
|
|
if(n <= 0)
|
|
return nil;
|
|
buf[n] = '\0';
|
|
if(tokenize(buf, fld, nelem(fld)) != nelem(fld)){
|
|
werrstr("couldn't parse wait message");
|
|
return nil;
|
|
}
|
|
l = strlen(fld[4])+1;
|
|
w = malloc(sizeof(Waitmsg)+l);
|
|
if(w == nil)
|
|
return nil;
|
|
w->pid = atoi(fld[0]);
|
|
w->time[0] = atoi(fld[1]);
|
|
w->time[1] = atoi(fld[2]);
|
|
w->time[2] = atoi(fld[3]);
|
|
w->msg = (char*)&w[1];
|
|
memmove(w->msg, fld[4], l);
|
|
return w;
|
|
}
|
|
|
|
Waitmsg*
|
|
wait(void)
|
|
{
|
|
char buf[256];
|
|
|
|
return _wait(await(buf, sizeof buf-1), buf);
|
|
}
|
|
|
|
Waitmsg*
|
|
waitnohang(void)
|
|
{
|
|
char buf[256];
|
|
|
|
return _wait(awaitnohang(buf, sizeof buf-1), buf);
|
|
}
|
|
|
|
Waitmsg*
|
|
waitfor(int pid)
|
|
{
|
|
char buf[256];
|
|
|
|
return _wait(awaitfor(pid, buf, sizeof buf-1), buf);
|
|
}
|