1
0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00

Expose all MAP_ constants in <sys/mman.h> unconditionally (bug 29375)

POSIX reserves the MAP_ prefix for <sys/mman.h>, so there is no need to
conditionalize their definitions on feature test macros.
This commit is contained in:
Andreas Schwab
2022-08-16 15:18:11 +02:00
parent 589eda82bb
commit 954b8f3895
10 changed files with 90 additions and 124 deletions

View File

@ -25,22 +25,20 @@
/* These are Linux-specific. */
#ifdef __USE_MISC
# define MAP_GROWSDOWN 0x0200 /* Stack-like segment. */
# define MAP_DENYWRITE 0x0800 /* ETXTBSY */
# define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */
# define MAP_LOCKED 0x0100 /* Lock the mapping. */
# define MAP_NORESERVE 0x0040 /* Don't check for reservations. */
# define _MAP_NEW 0x80000000 /* Binary compatibility with SunOS. */
# define MAP_POPULATE 0x8000 /* Populate (prefault) pagetables. */
# define MAP_NONBLOCK 0x10000 /* Do not block on IO. */
# define MAP_STACK 0x20000 /* Allocation is for a stack. */
# define MAP_HUGETLB 0x40000 /* Create huge page mapping. */
# define MAP_SYNC 0x80000 /* Perform synchronous page
#define MAP_GROWSDOWN 0x0200 /* Stack-like segment. */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* Mark it as an executable. */
#define MAP_LOCKED 0x0100 /* Lock the mapping. */
#define MAP_NORESERVE 0x0040 /* Don't check for reservations. */
#define _MAP_NEW 0x80000000 /* Binary compatibility with SunOS. */
#define MAP_POPULATE 0x8000 /* Populate (prefault) pagetables. */
#define MAP_NONBLOCK 0x10000 /* Do not block on IO. */
#define MAP_STACK 0x20000 /* Allocation is for a stack. */
#define MAP_HUGETLB 0x40000 /* Create huge page mapping. */
#define MAP_SYNC 0x80000 /* Perform synchronous page
faults for the mapping. */
# define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap
#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap
underlying mapping. */
#endif
/* Flags for `mlockall'. */
#define MCL_CURRENT 0x2000 /* Lock all currently mapped pages. */
@ -52,6 +50,4 @@
#include <bits/mman-linux.h>
/* Other flags. */
#ifdef __USE_MISC
# define MAP_RENAME MAP_ANONYMOUS
#endif
#define MAP_RENAME MAP_ANONYMOUS