diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/kernel-features.h')
| -rw-r--r-- | sysdeps/unix/sysv/linux/kernel-features.h | 63 |
1 files changed, 12 insertions, 51 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index 1090f8a809..fd2f1dbd01 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -37,91 +37,58 @@ introduced. If somebody cares these values can afterwards be corrected. */ -/* When did the `setresuid' syscall became available? By 2.2.0 except - on SPARC. */ -#if !defined __sparc__ -# define __ASSUME_SETRESUID_SYSCALL 1 -#endif - /* The sendfile syscall was introduced in 2.2.0. */ #define __ASSUME_SENDFILE 1 /* On x86 another `getrlimit' syscall was added in 2.3.25. */ -#if __LINUX_KERNEL_VERSION >= 131865 && defined __i386__ +#ifdef __i386__ # define __ASSUME_NEW_GETRLIMIT_SYSCALL 1 #endif /* On x86 the truncate64/ftruncate64 syscalls were introduced in 2.3.31. */ -#if __LINUX_KERNEL_VERSION >= 131871 && defined __i386__ +#ifdef __i386__ # define __ASSUME_TRUNCATE64_SYSCALL 1 #endif /* On x86 the mmap2 syscall was introduced in 2.3.31. */ -#if __LINUX_KERNEL_VERSION >= 131871 && defined __i386__ +#ifdef __i386__ # define __ASSUME_MMAP2_SYSCALL 1 #endif /* On x86 the stat64/lstat64/fstat64 syscalls were introduced in 2.3.34. */ -#if __LINUX_KERNEL_VERSION >= 131874 && defined __i386__ +#ifdef __i386__ # define __ASSUME_STAT64_SYSCALL 1 #endif /* On sparc the truncate64/ftruncate64/mmap2/stat64/lstat64/fstat64 syscalls were introduced in 2.3.35. */ -#if __LINUX_KERNEL_VERSION >= 131875 \ - && (defined __sparc__ && !defined __arch64__) +#if defined __sparc__ && !defined __arch64__ # define __ASSUME_TRUNCATE64_SYSCALL 1 # define __ASSUME_MMAP2_SYSCALL 1 # define __ASSUME_STAT64_SYSCALL 1 #endif /* I know for sure that getrlimit are in 2.3.35 on powerpc. */ -#if __LINUX_KERNEL_VERSION >= 131875 && defined __powerpc__ +#ifdef __powerpc__ # define __ASSUME_NEW_GETRLIMIT_SYSCALL 1 #endif /* I know for sure that these are in 2.3.35 on powerpc. But PowerPC64 does not support separate 64-bit syscalls, already 64-bit. */ -#if __LINUX_KERNEL_VERSION >= 131875 && defined __powerpc__ \ - && !defined __powerpc64__ +#if defined __powerpc__ && !defined __powerpc64__ # define __ASSUME_TRUNCATE64_SYSCALL 1 # define __ASSUME_STAT64_SYSCALL 1 #endif -/* Linux 2.3.39 introduced 32bit UID/GIDs. Some platforms had 32 - bit type all along. */ -#if __LINUX_KERNEL_VERSION >= 131879 || defined __powerpc__ -# define __ASSUME_32BITUIDS 1 -#endif - -/* Linux 2.3.39 sparc added setresuid. */ -#if __LINUX_KERNEL_VERSION >= 131879 && defined __sparc__ -# define __ASSUME_SETRESUID_SYSCALL 1 -#endif - -#if __LINUX_KERNEL_VERSION >= 131879 -# define __ASSUME_SETRESGID_SYSCALL 1 -#endif - -/* Linux 2.3.39 introduced IPC64. Except for powerpc. */ -#if __LINUX_KERNEL_VERSION >= 131879 && !defined __powerpc__ +/* Linux 2.3.39 introduced IPC64. Except for powerpc. Linux 2.4.0 on + PPC introduced a correct IPC64. But PowerPC64 does not support a + separate 64-bit syscall, already 64-bit. */ +#ifndef __powerpc64__ # define __ASSUME_IPC64 1 #endif -/* We can use the LDTs for threading with Linux 2.3.99 and newer. */ -#if __LINUX_KERNEL_VERSION >= 131939 -# define __ASSUME_LDT_WORKS 1 -#endif - -/* Linux 2.4.0 on PPC introduced a correct IPC64. But PowerPC64 does not - support a separate 64-bit syscall, already 64-bit. */ -#if __LINUX_KERNEL_VERSION >= 132096 && defined __powerpc__ \ - && !defined __powerpc64__ -# define __ASSUME_IPC64 1 -#endif - /* SH kernels got stat64, mmap2, and truncate64 during 2.4.0-test. */ -#if __LINUX_KERNEL_VERSION >= 132096 && defined __sh__ +#ifdef __sh__ # define __ASSUME_TRUNCATE64_SYSCALL 1 # define __ASSUME_MMAP2_SYSCALL 1 # define __ASSUME_STAT64_SYSCALL 1 @@ -163,12 +130,6 @@ # define __ASSUME_GETDENTS64_SYSCALL 1 #endif -/* When did O_DIRECTORY become available? Early in 2.3 but when? - Be safe, use 2.3.99. */ -#if __LINUX_KERNEL_VERSION >= 131939 -# define __ASSUME_O_DIRECTORY 1 -#endif - /* Starting with one of the 2.4.0 pre-releases the Linux kernel passes up the page size information. */ #if __LINUX_KERNEL_VERSION >= 132097 |