1 files changed, 0 insertions, 125 deletions
diff --git a/examples/redis-unstable/src/syncio.c b/examples/redis-unstable/src/syncio.c
deleted file mode 100644
index fc1f553..0000000
--- a/examples/redis-unstable/src/syncio.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/* Synchronous socket and file I/O operations useful across the core.
- *
- * Copyright (c) 2009-Present, Redis Ltd.
- * All rights reserved.
- *
- * Licensed under your choice of (a) the Redis Source Available License 2.0
- * (RSALv2); or (b) the Server Side Public License v1 (SSPLv1); or (c) the
- * GNU Affero General Public License v3 (AGPLv3).
- */
-
-#include "server.h"
-
-/* ----------------- Blocking sockets I/O with timeouts --------------------- */
-
-/* Redis performs most of the I/O in a nonblocking way, with the exception
- * of the SYNC command where the slave does it in a blocking way, and
- * the MIGRATE command that must be blocking in order to be atomic from the
- * point of view of the two instances (one migrating the key and one receiving
- * the key). This is why need the following blocking I/O functions.
- *
- * All the functions take the timeout in milliseconds. */
-
-#define SYNCIO__RESOLUTION 10 /* Resolution in milliseconds */
-
-/* Write the specified payload to 'fd'. If writing the whole payload will be
- * done within 'timeout' milliseconds the operation succeeds and 'size' is
- * returned. Otherwise the operation fails, -1 is returned, and an unspecified
- * partial write could be performed against the file descriptor. */
-ssize_t syncWrite(int fd, char *ptr, ssize_t size, long long timeout) {
-    ssize_t nwritten, ret = size;
-    long long start = mstime();
-    long long remaining = timeout;
-
-    while(1) {
-        long long wait = (remaining > SYNCIO__RESOLUTION) ?
-                          remaining : SYNCIO__RESOLUTION;
-        long long elapsed;
-
-        /* Optimistically try to write before checking if the file descriptor
-         * is actually writable. At worst we get EAGAIN. */
-        nwritten = write(fd,ptr,size);
-        if (nwritten == -1) {
-            if (errno != EAGAIN) return -1;
-        } else {
-            ptr += nwritten;
-            size -= nwritten;
-        }
-        if (size == 0) return ret;
-
-        /* Wait */
-        aeWait(fd,AE_WRITABLE,wait);
-        elapsed = mstime() - start;
-        if (elapsed >= timeout) {
-            errno = ETIMEDOUT;
-            return -1;
-        }
-        remaining = timeout - elapsed;
-    }
-}
-
-/* Read the specified amount of bytes from 'fd'. If all the bytes are read
- * within 'timeout' milliseconds the operation succeed and 'size' is returned.
- * Otherwise the operation fails, -1 is returned, and an unspecified amount of
- * data could be read from the file descriptor. */
-ssize_t syncRead(int fd, char *ptr, ssize_t size, long long timeout) {
-    ssize_t nread, totread = 0;
-    long long start = mstime();
-    long long remaining = timeout;
-
-    if (size == 0) return 0;
-    while(1) {
-        long long wait = (remaining > SYNCIO__RESOLUTION) ?
-                          remaining : SYNCIO__RESOLUTION;
-        long long elapsed;
-
-        /* Optimistically try to read before checking if the file descriptor
-         * is actually readable. At worst we get EAGAIN. */
-        nread = read(fd,ptr,size);
-        if (nread == 0) return -1; /* short read. */
-        if (nread == -1) {
-            if (errno != EAGAIN) return -1;
-        } else {
-            ptr += nread;
-            size -= nread;
-            totread += nread;
-        }
-        if (size == 0) return totread;
-
-        /* Wait */
-        aeWait(fd,AE_READABLE,wait);
-        elapsed = mstime() - start;
-        if (elapsed >= timeout) {
-            errno = ETIMEDOUT;
-            return -1;
-        }
-        remaining = timeout - elapsed;
-    }
-}
-
-/* Read a line making sure that every char will not require more than 'timeout'
- * milliseconds to be read.
- *
- * On success the number of bytes read is returned, otherwise -1.
- * On success the string is always correctly terminated with a 0 byte. */
-ssize_t syncReadLine(int fd, char *ptr, ssize_t size, long long timeout) {
-    ssize_t nread = 0;
-
-    size--;
-    while(size) {
-        char c;
-
-        if (syncRead(fd,&c,1,timeout) == -1) return -1;
-        if (c == '\n') {
-            *ptr = '\0';
-            if (nread && *(ptr-1) == '\r') *(ptr-1) = '\0';
-            return nread;
-        } else {
-            *ptr++ = c;
-            *ptr = '\0';
-            nread++;
-        }
-        size--;
-    }
-    return nread;
-}