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| author | Andreas Schwab <schwab@suse.de> | 2022-08-16 15:18:11 +0200 |
|---|---|---|
| committer | Andreas Schwab <schwab@suse.de> | 2022-10-10 09:30:24 +0200 |
| commit | 954b8f38958de72c4712088735eb175118f17b51 (patch) | |
| tree | 5cbe777082730dcf00f3a9fd1e1b95b676bb8675 /sysdeps/unix/sysv/linux/bits | |
| parent | 589eda82bb2ff210c33003beef239eedea1f9cac (diff) | |
| download | glibc-954b8f38958de72c4712088735eb175118f17b51.zip glibc-954b8f38958de72c4712088735eb175118f17b51.tar.gz glibc-954b8f38958de72c4712088735eb175118f17b51.tar.bz2 | |
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.
Diffstat (limited to 'sysdeps/unix/sysv/linux/bits')
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/mman-linux.h | 26 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/mman-map-flags-generic.h | 24 |
2 files changed, 22 insertions, 28 deletions
diff --git a/sysdeps/unix/sysv/linux/bits/mman-linux.h b/sysdeps/unix/sysv/linux/bits/mman-linux.h index cb5ad30..1fb7f88 100644 --- a/sysdeps/unix/sysv/linux/bits/mman-linux.h +++ b/sysdeps/unix/sysv/linux/bits/mman-linux.h @@ -41,26 +41,22 @@ /* Sharing types (must choose one and only one of these). */ #define MAP_SHARED 0x01 /* Share changes. */ #define MAP_PRIVATE 0x02 /* Changes are private. */ -#ifdef __USE_MISC -# define MAP_SHARED_VALIDATE 0x03 /* Share changes and validate +#define MAP_SHARED_VALIDATE 0x03 /* Share changes and validate extension flags. */ -# define MAP_TYPE 0x0f /* Mask for type of mapping. */ -#endif +#define MAP_TYPE 0x0f /* Mask for type of mapping. */ /* Other flags. */ #define MAP_FIXED 0x10 /* Interpret addr exactly. */ -#ifdef __USE_MISC -# define MAP_FILE 0 -# ifdef __MAP_ANONYMOUS -# define MAP_ANONYMOUS __MAP_ANONYMOUS /* Don't use a file. */ -# else -# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ -# endif -# define MAP_ANON MAP_ANONYMOUS -/* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. */ -# define MAP_HUGE_SHIFT 26 -# define MAP_HUGE_MASK 0x3f +#define MAP_FILE 0 +#ifdef __MAP_ANONYMOUS +# define MAP_ANONYMOUS __MAP_ANONYMOUS /* Don't use a file. */ +#else +# define MAP_ANONYMOUS 0x20 /* Don't use a file. */ #endif +#define MAP_ANON MAP_ANONYMOUS +/* When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size. */ +#define MAP_HUGE_SHIFT 26 +#define MAP_HUGE_MASK 0x3f /* Flags to `msync'. */ #define MS_ASYNC 1 /* Sync memory asynchronously. */ diff --git a/sysdeps/unix/sysv/linux/bits/mman-map-flags-generic.h b/sysdeps/unix/sysv/linux/bits/mman-map-flags-generic.h index ffb28d6..b93c3e0 100644 --- a/sysdeps/unix/sysv/linux/bits/mman-map-flags-generic.h +++ b/sysdeps/unix/sysv/linux/bits/mman-map-flags-generic.h @@ -25,18 +25,16 @@ includes asm-generic/mman.h without any changes to the values of the MAP_* flags defined in that header. */ -#ifdef __USE_MISC -# define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */ -# define MAP_DENYWRITE 0x00800 /* ETXTBSY. */ -# define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */ -# define MAP_LOCKED 0x02000 /* Lock the mapping. */ -# define MAP_NORESERVE 0x04000 /* Don't check for reservations. */ -# define MAP_POPULATE 0x08000 /* 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 0x00100 /* Stack-like segment. */ +#define MAP_DENYWRITE 0x00800 /* ETXTBSY. */ +#define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */ +#define MAP_LOCKED 0x02000 /* Lock the mapping. */ +#define MAP_NORESERVE 0x04000 /* Don't check for reservations. */ +#define MAP_POPULATE 0x08000 /* 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 |