| 1 | #include <unistd.h> |
| 2 | #include "error.h" |
| 3 | #include "iopause.h" |
| 4 | #include "timeoutwrite.h" |
| 5 | |
| 6 | int timeoutwrite(int t,int fd,char *buf,int len) |
| 7 | { |
| 8 | struct taia now; |
| 9 | struct taia deadline; |
| 10 | iopause_fd x; |
| 11 | |
| 12 | taia_now(&now); |
| 13 | taia_uint(&deadline,t); |
| 14 | taia_add(&deadline,&now,&deadline); |
| 15 | |
| 16 | x.fd = fd; |
| 17 | x.events = IOPAUSE_WRITE; |
| 18 | for (;;) { |
| 19 | taia_now(&now); |
| 20 | iopause(&x,1,&deadline,&now); |
| 21 | if (x.revents) break; |
| 22 | if (taia_less(&deadline,&now)) { |
| 23 | errno = error_timeout; |
| 24 | return -1; |
| 25 | } |
| 26 | } |
| 27 | return write(fd,buf,len); |
| 28 | } |