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fs/vfs: Added support for checking if a descriptor is a socket in fstat().

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This commit is contained in:
Pelle Windestam
2018-04-26 06:49:13 -06:00
committed by Gregory Nutt
parent f3a8e01557
commit 0c963449d6
2 changed files with 40 additions and 16 deletions
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include/sys/stat.h
+15 -15
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@@ -1,7 +1,7 @@
/****************************************************************************
* include/sys/stat.h
*
* Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved.
* Copyright (C) 2007-2009, 2012, 2018 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -58,8 +58,8 @@
* Bits 0-2: Permissions for others
* Bits 3-5: Group permissions
* Bits 6-8: Owner permissions
* Bits 9-11: Not used
* Bits 12-14: File type bits
* Bits 9-10: Not used
* Bits 11-14: File type bits
* Bit 15: Symbolic link
*/
@@ -82,19 +82,19 @@
#define S_ISGID 0 /* Set group ID bit (not used)*/
#define S_ISUID 0 /* Set UID bit (not used) */
#define S_IFIFO 0 /* Bits 12-14: File type bits (not all used) */
#define S_IFCHR (1 << 12)
#define S_IFDIR (2 << 12)
#define S_IFBLK (3 << 12)
#define S_IFREG (4 << 12)
#define S_IFSOCK 0
#define S_IFMQ (5 << 12)
#define S_IFSEM (6 << 12)
#define S_IFSHM (7 << 12)
#define s_IFTGT (7 << 12) /* May be the target of a symbolic link */
#define S_IFIFO 0 /* Bits 11-14: File type bits (not all used) */
#define S_IFCHR (1 << 11)
#define S_IFDIR (2 << 11)
#define S_IFBLK (3 << 11)
#define S_IFREG (4 << 11)
#define S_IFMQ (5 << 11)
#define S_IFSEM (6 << 11)
#define S_IFSHM (7 << 11)
#define S_IFSOCK (8 << 11)
#define s_IFTGT (15 << 11) /* May be the target of a symbolic link */
#define S_IFLNK (1 << 15) /* Bit 15: Symbolic link */
#define S_IFMT (15 << 15) /* Bits 12-15: Full file type */
#define S_IFMT (31 << 11) /* Bits 11-15: Full file type */
/* File type macros that operate on an instance of mode_t */
@@ -104,7 +104,7 @@
#define S_ISDIR(m) (((m) & s_IFTGT) == S_IFDIR)
#define S_ISBLK(m) (((m) & s_IFTGT) == S_IFBLK)
#define S_ISREG(m) (((m) & s_IFTGT) == S_IFREG)
#define S_ISSOCK(m) (0)
#define S_ISSOCK(m) (((m) & s_IFTGT) == S_IFSOCK)
#define S_ISMQ(m) (((m) & s_IFTGT) == S_IFMQ)
#define S_ISSEM(m) (((m) & s_IFTGT) == S_IFSEM)
#define S_ISSHM(m) (((m) & s_IFTGT) == S_IFSHM)