| 1 | #ifndef UST_SHARE_H |
| 2 | #define UST_SHARE_H |
| 3 | |
| 4 | /* write() */ |
| 5 | #include <unistd.h> |
| 6 | |
| 7 | /* send() */ |
| 8 | #include <sys/types.h> |
| 9 | #include <sys/socket.h> |
| 10 | |
| 11 | #include <errno.h> |
| 12 | |
| 13 | /* This write is patient because it restarts if it was incomplete. |
| 14 | */ |
| 15 | |
| 16 | static __inline__ ssize_t patient_write(int fd, const void *buf, size_t count) |
| 17 | { |
| 18 | const char *bufc = (const char *) buf; |
| 19 | int result; |
| 20 | |
| 21 | for(;;) { |
| 22 | result = write(fd, bufc, count); |
| 23 | if(result == -1 && errno == EINTR) { |
| 24 | continue; |
| 25 | } |
| 26 | if(result <= 0) { |
| 27 | return result; |
| 28 | } |
| 29 | count -= result; |
| 30 | bufc += result; |
| 31 | |
| 32 | if(count == 0) { |
| 33 | break; |
| 34 | } |
| 35 | } |
| 36 | |
| 37 | return bufc-(const char *)buf; |
| 38 | } |
| 39 | |
| 40 | static __inline__ ssize_t patient_send(int fd, const void *buf, size_t count, int flags) |
| 41 | { |
| 42 | const char *bufc = (const char *) buf; |
| 43 | int result; |
| 44 | |
| 45 | for(;;) { |
| 46 | result = send(fd, bufc, count, flags); |
| 47 | if(result == -1 && errno == EINTR) { |
| 48 | continue; |
| 49 | } |
| 50 | if(result <= 0) { |
| 51 | return result; |
| 52 | } |
| 53 | count -= result; |
| 54 | bufc += result; |
| 55 | |
| 56 | if(count == 0) { |
| 57 | break; |
| 58 | } |
| 59 | } |
| 60 | |
| 61 | return bufc-(const char *)buf; |
| 62 | } |
| 63 | |
| 64 | #endif /* UST_SHARE_H */ |