From 4cc4b30426c5e5a0ecf912791e3f27312438d10e Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Tue, 3 Jun 2008 08:11:56 +0000 Subject: - adds several config-options to allow for turning off certain features like o UCLIBC_HAS_GNU_ERROR o UCLIBC_HAS_BSD_ERR o UCLIBC_HAS_PTY o UCLIBC_HAS_GETPT (1) o UCLIBC_SYSCALL_STUBS o UCLIBC_SYSCALL_STUB_WARNING o UCLIBC_LINUX_SPECIFIC (2) o UCLIBC_BSD_SPECIFIC (3) o UCLIBC_NTP_LEGACY (4) o UCLIBC_SV4_DEPRECATED (5) o UCLIBC_HAVE_REALTIME (6) o UCLIBC_HAVE_ADVANCED_REALTIME (7) o UCLIBC_HAVE_EPOLL (8) o UCLIBC_HAVE_XATTR (9) o UCLIBC_HAVE_PROFILING (10) (1) make non-standard getpt optional and implement standard posix_openpt (2) fstatfs(), inotify_*(), ioperm(), iopl(), madvise(), modify_ldt(), personality() ppoll(), setresuid() (3) mincore(), getdomainname(), setdomainname() (4) ntp_adjtime(), ntp_gettime() aliases (5) ustat() [use statfs(2) in your code instead] (6) All marked as "(REALTIME)" in SUSv3 (7) All marked as "(ADVANCED REALTIME)" in SUSv3 (8) epoll_create(), epoll_ctl(), epoll_wait() (9) all Extended Attributes (10) helpers for gcc's -finstrument-functions - Fixes _dl_exit() - Implements sleep(3) for !UCLIBC_HAVE_REALTIME - Implements usleep(3) for !UCLIBC_HAVE_REALTIME - adds #warning about incorrect posix_fadvise{,64}() - removes unused and unwanted uselib() Net outcome is that an allnoconfig with HAVE_SHARED is now about 88k instead of formerly 130k. --- include/sys/mman.h | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'include/sys/mman.h') diff --git a/include/sys/mman.h b/include/sys/mman.h index 7bb1595bb..326685f61 100644 --- a/include/sys/mman.h +++ b/include/sys/mman.h @@ -98,17 +98,18 @@ static inline int msync (void *__addr, size_t __len, int __flags) { return 0; } #endif -#ifdef __USE_BSD +#if defined __USE_BSD && defined __UCLIBC_LINUX_SPECIFIC__ /* Advise the system about particular usage patterns the program follows for the region starting at ADDR and extending LEN bytes. */ extern int madvise (void *__addr, size_t __len, int __advice) __THROW; #endif -#ifdef __USE_XOPEN2K +#if defined __USE_XOPEN2K && defined __UCLIBC_HAS_ADVANCED_REALTIME__ /* This is the POSIX name for this function. */ extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW; #endif -#ifdef __ARCH_USE_MMU__ +#if defined __UCLIBC_HAS_REALTIME__ +# ifdef __ARCH_USE_MMU__ /* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to be memory resident. */ @@ -135,8 +136,9 @@ static inline int munlock (__const void *__addr, size_t __len) { return 0; } static inline int mlockall (int __flags) { return 0; } static inline int munlockall (void) { return 0; } #endif +#endif /* __UCLIBC_HAS_REALTIME__ */ -#ifdef __USE_MISC +#if defined __USE_MISC && defined __UCLIBC_BSD_SPECIFIC__ /* mincore returns the memory residency status of the pages in the current process's address space specified by [start, start + len). The status is returned in a vector of bytes. The least significant -- cgit v1.2.3