77 int readStringFromFile(const char *filename, char *const start, size_t size, bool must_exist=true)  in readStringFromFile()  argument
79     if (NULL == start || size == 0)  in readStringFromFile()
99     --size; // reserve space for trailing '\0'  in readStringFromFile()
101     while (size > 0 && !error && !eof && attempts < kMaxAttempts)  in readStringFromFile()
105         s = read(fd, end, size);  in readStringFromFile()
122             size -= s;  in readStringFromFile()
161     size_t size = len;  in writeStringToFile()  local
165     while (size > 0 && !error && attempts < kMaxAttempts)  in writeStringToFile()
167         ssize_t s = write(fd, start, size);  in writeStringToFile()
180             size -= s;  in writeStringToFile()
192         if (size > 0)  in writeStringToFile()
195                     filename, size, len);  in writeStringToFile()
197         return len - size;  in writeStringToFile()
235 int kernelVersion(char *str, size_t size)  in kernelVersion()  argument
237     return readStringFromFile(kKernelVersion, str, size);  in kernelVersion()
285 int schedFeatures(char *str, size_t size)  in schedFeatures()  argument
287     return readStringFromFile(kSchedFeatures, str, size);  in schedFeatures()
447     size_t size = sizeof(pid);  in writePidAndWaitForReply()  local
451     while (size > 0 && !error && attempts < kMaxAttempts)  in writePidAndWaitForReply()
453         ssize_t s = write(writefd, start, size);  in writePidAndWaitForReply()
466             size -= s;  in writePidAndWaitForReply()
471     if (error || 0 != size)  in writePidAndWaitForReply()
478     size = sizeof(dummy);  in writePidAndWaitForReply()
482     while (size > 0 && !error && !eof && attempts < kMaxAttempts)  in writePidAndWaitForReply()
486         s = read(readfd, &dummy, size);  in writePidAndWaitForReply()
502             size -= s;  in writePidAndWaitForReply()
506     if (error || 0 != size)  in writePidAndWaitForReply()
525     size_t size;  in waitForChildrenAndSignal()  local
535         size = sizeof(pid);  in waitForChildrenAndSignal()
537         while (size > 0 && !error && !eof && attempts < kMaxAttempts)  in waitForChildrenAndSignal()
541             s = read(readfd, end, size);  in waitForChildrenAndSignal()
558                 size -= s;  in waitForChildrenAndSignal()
563         if (error || 0 != size)  in waitForChildrenAndSignal()
575         size = sizeof(dummy);  in waitForChildrenAndSignal()
577         while (size > 0 && !error && attempts < kMaxAttempts)  in waitForChildrenAndSignal()
579             ssize_t s = write(writefd, &dummy, size);  in waitForChildrenAndSignal()
591                 size -= s;  in waitForChildrenAndSignal()
596         if (error || 0 != size)  in waitForChildrenAndSignal()