refactor(file_util): Move block mode helpers

include/utils/file.hpp

@@ -37,8 +37,6 @@ class file_descriptor {
 namespace file_util {
   bool exists(const string& filename);
   string get_contents(const string& filename);
-  void set_block(int fd);
-  void set_nonblock(int fd);
   bool is_fifo(string filename);
 
   template <typename... Args>

include/utils/io.hpp

@@ -21,6 +21,9 @@ namespace io_util {
   bool poll_write(int fd, int timeout_ms = 1);
 
   bool interrupt_read(int write_fd);
+
+  void set_block(int fd);
+  void set_nonblock(int fd);
 }
 
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src/utils/file.cpp

@@ -1,12 +1,10 @@
 #include <fcntl.h>
-#include <sys/socket.h>
 #include <sys/stat.h>
+#include <cstdio>
 #include <fstream>
 
 #include "errors.hpp"
-#include "utils/factory.hpp"
 #include "utils/file.hpp"
-#include "utils/scope.hpp"
 
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@@ -92,28 +90,6 @@ namespace file_util {
     }
   }
 
-  /**
-   * Puts the given file descriptor into blocking mode
-   */
-  void set_block(int fd) {
-    int flags = fcntl(fd, F_GETFL, 0);
-    flags &= ~O_NONBLOCK;
-    if (fcntl(fd, F_SETFL, flags) == -1) {
-      throw system_error("Failed to unset O_NONBLOCK");
-    }
-  }
-
-  /**
-   * Puts the given file descriptor into non-blocking mode
-   */
-  void set_nonblock(int fd) {
-    int flags = fcntl(fd, F_GETFL, 0);
-    flags |= O_NONBLOCK;
-    if (fcntl(fd, F_SETFL, flags) == -1) {
-      throw system_error("Failed to set O_NONBLOCK");
-    }
-  }
-
   /**
    * Checks if the given file is a named pipe
    */

src/utils/io.cpp

@@ -1,6 +1,5 @@
 #include <fcntl.h>
 #include <poll.h>
-#include <sys/stat.h>
 #include <unistd.h>
 #include <cstdio>
 #include <cstdlib>
@@ -119,6 +118,22 @@ namespace io_util {
     size_t bytes = ::write(write_fd, end, 1);
     return bytes > 0;
   }
+
+  void set_block(int fd) {
+    int flags = fcntl(fd, F_GETFL, 0);
+    flags &= ~O_NONBLOCK;
+    if (fcntl(fd, F_SETFL, flags) == -1) {
+      throw system_error("Failed to unset O_NONBLOCK");
+    }
+  }
+
+  void set_nonblock(int fd) {
+    int flags = fcntl(fd, F_GETFL, 0);
+    flags |= O_NONBLOCK;
+    if (fcntl(fd, F_SETFL, flags) == -1) {
+      throw system_error("Failed to set O_NONBLOCK");
+    }
+  }
 }
 
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