merge: add evil files

SVN revision: 76464

1 files changed, 110 insertions, 0 deletions

diff --git a/src/lib/evil/evil_fcntl.h b/src/lib/evil/evil_fcntl.h
new file mode 100644
index 0000000000..194341b369
--- /dev/null
+++ b/src/lib/evil/evil_fcntl.h
@@ -0,0 +1,110 @@
+#ifndef __EVIL_FCNTL_H__
+#define __EVIL_FCNTL_H__
+
+
+# include <sys/types.h>
+
+
+/**
+ * @def FD_CLOEXEC
+ * Specifies that the file descriptor should be closed when an exec()
+ * function is invoked.
+ */
+# define FD_CLOEXEC 1
+
+/**
+ * @def O_NONBLOCK
+ * Specifies that the socket is in non-blocking mode.
+ */
+# define O_NONBLOCK 04000
+
+/**
+ * @def F_SETFD
+ * Specifies that fcntl() should set the file descriptor flags
+ * associated with the filedes argument.
+ */
+
+/**
+ * @def F_SETLK
+ * Specifies that fcntl() should set or clear a file segment lock
+ * according to the lock description pointed to by the third argument.
+ */
+
+/**
+ * @def F_SETLKW
+ * Equivalent to F_SETLK except that if a shared or exclusive lock
+ * is blocked by other locks, the thread shall wait until the request
+ * can be satisfied.
+ */
+
+# define F_GETFD    1
+# define F_SETFD    2
+# define F_SETFL    4
+# define F_SETLK    6
+# define F_SETLKW   7
+
+/**
+ * @def F_RDLCK
+ * Read (or shared) lock
+ */
+
+/**
+ * @def F_WRLCK
+ * Write (or exclusive) lock
+ */
+
+/**
+ * @def F_UNLCK
+ * Remove lock
+ */
+
+# ifndef F_RDLCK
+#  define F_RDLCK     0
+#  define F_WRLCK     1
+#  define F_UNLCK     2
+# endif /* ! F_RDLCK */
+
+/**
+ * @struct flock
+ * @brief A structure that controls the lock of a file descriptor.
+ */
+struct flock
+{
+   short int l_type;   /**< lock type: read, write, ... */
+   short int l_whence; /**< type of l_start */
+   off_t     l_start;  /**< starting offset */
+   off_t     l_len;    /**< 0 means end of the file */
+   pid_t     l_pid;    /**< lock owner */
+};
+
+
+/**
+ * @brief Provide control over file descriptors.
+ *
+ * @param fd The file descriptor.
+ * @param cmd The type of control.
+ * @return 0 on success, -1 otherwise.
+ *
+ * Performs one of various miscellaneous operations on @p fd.
+ * The operation in question is determined by @p cmd:
+ *
+ * - F_SETFD: Set the close-on-exec flag to the value specified
+ *   by the argument after command (only the least significant
+ *   bit is used).
+ * - F_SETLK and F_SETLKW: used to manage discretionary file locks.
+ *   The third argument must be a pointer to a struct flock (that
+ *   may be overwritten by this call).
+ *
+ * This function returns 0 on success, -1 otherwise.
+ *
+ * Conformity: None.
+ *
+ * Supported OS: Windows Vista, Windows XP or Windows 2000
+ * Professional.
+ *
+ * @ingroup Evil
+ */
+EAPI int fcntl(int fd, int cmd, ...);
+
+
+#endif /* __EVIL_FCNTL_H__ */