lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

Remove pre-2.2 Linux kernel support.

Browse Source
This commit is contained in:
Joseph Myers
2012-05-14 14:11:02 +00:00
parent 1bfb72913b
commit ffb7875d03
40 changed files with 333 additions and 1447 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
sysdeps/unix/sysv/linux/kernel-features.h
View File

@ -35,60 +35,16 @@
version given by __LINUX_KERNEL_VERSION. We are not always exactly
recording the correct versions in which the features were
introduced. If somebody cares these values can afterwards be
corrected. Most of the numbers here are set corresponding to
2.2.0. */
corrected. */
/* `getcwd' system call. */
#if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_GETCWD_SYSCALL 1
#endif
/* Real-time signal became usable in 2.1.70. */
#if __LINUX_KERNEL_VERSION >= 131398
# define __ASSUME_REALTIME_SIGNALS 1
#endif
/* When were the `pread'/`pwrite' syscalls introduced? */
#if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_PREAD_SYSCALL 1
# define __ASSUME_PWRITE_SYSCALL 1
#endif
/* When was `poll' introduced? */
#if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_POLL_SYSCALL 1
#endif
/* The `lchown' syscall was introduced in 2.1.80. */
#if __LINUX_KERNEL_VERSION >= 131408
# define __ASSUME_LCHOWN_SYSCALL 1
#endif
/* When did the `setresuid' syscall became available? */
#if __LINUX_KERNEL_VERSION >= 131584 && !defined __sparc__
/* When did the `setresuid' syscall became available? By 2.2.0 except
on SPARC. */
#if !defined __sparc__
# define __ASSUME_SETRESUID_SYSCALL 1
#endif
/* The SIOCGIFNAME ioctl is available starting with 2.1.50. */
#if __LINUX_KERNEL_VERSION >= 131408
# define __ASSUME_SIOCGIFNAME 1
#endif
/* MSG_NOSIGNAL was at least available with Linux 2.2.0. */
#if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_MSG_NOSIGNAL 1
#endif
/* The sendfile syscall was introduced in 2.2.0. */
#if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_SENDFILE 1
#endif
/* Only very old kernels had no real symlinks for terminal descriptors
in /proc/self/fd. */
#if __LINUX_KERNEL_VERSION >= 131584
# define __ASSUME_PROC_SELF_FD_SYMLINK 1
#endif
#define __ASSUME_SENDFILE 1
/* On x86 another `getrlimit' syscall was added in 2.3.25. */
#if __LINUX_KERNEL_VERSION >= 131865 && defined __i386__