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/unistd.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'include/unistd.h') diff --git a/include/unistd.h b/include/unistd.h index 3b72b8222..e0219e770 100644 --- a/include/unistd.h +++ b/include/unistd.h @@ -703,10 +703,12 @@ extern int getresuid (__uid_t *__ruid, __uid_t *__euid, __uid_t *__suid) extern int getresgid (__gid_t *__rgid, __gid_t *__egid, __gid_t *__sgid) __THROW; +#if defined __UCLIBC_LINUX_SPECIFIC__ /* Set the real user ID, effective user ID, and saved-set user ID, of the calling process to RUID, EUID, and SUID, respectively. */ extern int setresuid (__uid_t __ruid, __uid_t __euid, __uid_t __suid) __THROW; +#endif /* Set the real group ID, effective group ID, and saved-set group ID, of the calling process to RGID, EGID, and SGID, respectively. */ @@ -857,7 +859,7 @@ extern int sethostname (__const char *__name, size_t __len) This call is restricted to the super-user. */ extern int sethostid (long int __id) __THROW __wur; - +#if defined __UCLIBC_BSD_SPECIFIC__ /* Get and set the NIS (aka YP) domain name, if any. Called just like `gethostname' and `sethostname'. The NIS domain name is usually the empty string when not using NIS. */ @@ -865,7 +867,7 @@ extern int getdomainname (char *__name, size_t __len) __THROW __nonnull ((1)) __wur; extern int setdomainname (__const char *__name, size_t __len) __THROW __nonnull ((1)) __wur; - +#endif /* Revoke access permissions to all processes currently communicating with the control terminal, and then send a SIGHUP signal to the process @@ -1064,7 +1066,8 @@ extern int lockf64 (int __fd, int __cmd, __off64_t __len) __wur; __result; })) #endif -#if defined __USE_POSIX199309 || defined __USE_UNIX98 +#if (defined __USE_POSIX199309 || defined __USE_UNIX98) \ + && defined __UCLIBC_HAS_REALTIME__ /* Synchronize at least the data part of a file with the underlying media. */ extern int fdatasync (int __fildes) __THROW; -- cgit v1.2.3