ust-fd: Add close_range declaration

[lttng-ust.git] / snprintf / patient_write.c

diff --git a/snprintf/patient_write.c b/snprintf/patient_write.c
deleted file mode 100644 (file)
index 4f344ec..0000000
--- a/snprintf/patient_write.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * SPDX-License-Identifier: LGPL-2.1-or-later
- *
- * Copyright (C) 2009 Pierre-Marc Fournier
- * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#include <stddef.h>
-
-/* write() */
-#include <unistd.h>
-
-/* writev() */
-#include <sys/uio.h>
-
-/* send() */
-#include <sys/types.h>
-#include <sys/socket.h>
-
-#include <errno.h>
-
-#include <share.h>
-
-/*
- * This write is patient because it restarts if it was incomplete.
- */
-
-ssize_t patient_write(int fd, const void *buf, size_t count)
-{
-       const char *bufc = (const char *) buf;
-       int result;
-
-       for(;;) {
-               result = write(fd, bufc, count);
-               if (result == -1 && errno == EINTR) {
-                       continue;
-               }
-               if (result <= 0) {
-                       return result;
-               }
-               count -= result;
-               bufc += result;
-
-               if (count == 0) {
-                       break;
-               }
-       }
-
-       return bufc-(const char *)buf;
-}
-
-/*
- * The `struct iovec *iov` is not `const` because we modify it to support
- * partial writes.
- */
-ssize_t patient_writev(int fd, struct iovec *iov, int iovcnt)
-{
-       ssize_t written, total_written = 0;
-       int curr_element_idx = 0;
-
-       for(;;) {
-               written = writev(fd, iov + curr_element_idx,
-                               iovcnt - curr_element_idx);
-               if (written == -1 && errno == EINTR) {
-                       continue;
-               }
-               if (written <= 0) {
-                       return written;
-               }
-
-               total_written += written;
-
-               /*
-                * If it's not the last element in the vector and we have
-                * written more than the current element size, then increment
-                * the current element index until we reach the element that
-                * was partially written.
-                */
-               while (curr_element_idx < iovcnt &&
-                               written >= iov[curr_element_idx].iov_len) {
-                       written -= iov[curr_element_idx].iov_len;
-                       curr_element_idx++;
-               }
-
-               /* Maybe we are done. */
-               if (curr_element_idx >= iovcnt) {
-                       break;
-               }
-
-               /* Update the current element base and size. */
-               iov[curr_element_idx].iov_base += written;
-               iov[curr_element_idx].iov_len -= written;
-       }
-
-       return total_written;
-}
-
-ssize_t patient_send(int fd, const void *buf, size_t count, int flags)
-{
-       const char *bufc = (const char *) buf;
-       int result;
-
-       for(;;) {
-               result = send(fd, bufc, count, flags);
-               if (result == -1 && errno == EINTR) {
-                       continue;
-               }
-               if (result <= 0) {
-                       return result;
-               }
-               count -= result;
-               bufc += result;
-
-               if (count == 0) {
-                       break;
-               }
-       }
-
-       return bufc - (const char *) buf;
-}