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author | Joseph Myers <joseph@codesourcery.com> | 2012-05-25 19:19:30 +0000 |
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committer | Joseph Myers <joseph@codesourcery.com> | 2012-05-25 19:19:30 +0000 |
commit | 21708942c9b115a91dc03318a5f9e14328c5a71e (patch) | |
tree | e0b3797820e23ab73ebdab3c34d20943e911669b /sysdeps/unix/sysv/linux/sparc | |
parent | a386f1cc229e7de02740bef18bdd5d272d1e7537 (diff) | |
download | glibc-21708942c9b115a91dc03318a5f9e14328c5a71e.tar.gz glibc-21708942c9b115a91dc03318a5f9e14328c5a71e.tar.xz glibc-21708942c9b115a91dc03318a5f9e14328c5a71e.zip |
Remove pre-2.4 Linux kernel support.
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc')
-rw-r--r-- | sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c | 86 |
1 files changed, 1 insertions, 85 deletions
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c b/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c index 87cb23a517..464f0b502d 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/semctl.c @@ -1,6 +1,5 @@ /* Semctl for architectures where word sized unions are passed indirectly - Copyright (C) 1995,1997,1998,2000,2002,2003,2004,2006 - Free Software Foundation, Inc. + Copyright (C) 1995-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. @@ -27,7 +26,6 @@ #include <string.h> #include <sys/syscall.h> -#include <kernel-features.h> #include <shlib-compat.h> struct __old_semid_ds @@ -55,14 +53,6 @@ union semun #include <bp-checks.h> #include <bp-semctl.h> /* definition of CHECK_SEMCTL needs union semum */ -#ifdef __NR_getuid32 -# if __ASSUME_32BITUIDS == 0 -/* This variable is shared with all files that need to check for 32bit - uids. */ -extern int __libc_missing_32bit_uids; -# endif -#endif - /* Return identifier for array of NSEMS semaphores associated with KEY. */ #if SHLIB_COMPAT (libc, GLIBC_2_0, GLIBC_2_2) @@ -126,82 +116,8 @@ __new_semctl (int semid, int semnum, int cmd, ...) break; } -#if __ASSUME_32BITUIDS > 0 return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd | __IPC_64, CHECK_SEMCTL (&arg, semid, cmd | __IPC_64)); -#else - switch (cmd) { - case SEM_STAT: - case IPC_STAT: - case IPC_SET: - break; - default: - return INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, - CHECK_SEMCTL (&arg, semid, cmd)); - } - - { - int result; - struct __old_semid_ds old; - struct semid_ds *buf; - -#ifdef __NR_getuid32 - if (__libc_missing_32bit_uids <= 0) - { - if (__libc_missing_32bit_uids < 0) - { - int save_errno = errno; - - /* Test presence of new IPC by testing for getuid32 syscall. */ - result = INLINE_SYSCALL (getuid32, 0); - if (result == -1 && errno == ENOSYS) - __libc_missing_32bit_uids = 1; - else - __libc_missing_32bit_uids = 0; - __set_errno(save_errno); - } - if (__libc_missing_32bit_uids <= 0) - { - result = INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd | __IPC_64, - CHECK_SEMCTL (&arg, semid, cmd | __IPC_64)); - return result; - } - } -#endif - - buf = arg.buf; - arg.__old_buf = &old; - if (cmd == IPC_SET) - { - old.sem_perm.uid = buf->sem_perm.uid; - old.sem_perm.gid = buf->sem_perm.gid; - old.sem_perm.mode = buf->sem_perm.mode; - if (old.sem_perm.uid != buf->sem_perm.uid || - old.sem_perm.gid != buf->sem_perm.gid) - { - __set_errno (EINVAL); - return -1; - } - } - result = INLINE_SYSCALL (ipc, 5, IPCOP_semctl, semid, semnum, cmd, - CHECK_SEMCTL (&arg, semid, cmd)); - if (result != -1 && cmd != IPC_SET) - { - memset(buf, 0, sizeof(*buf)); - buf->sem_perm.__key = old.sem_perm.__key; - buf->sem_perm.uid = old.sem_perm.uid; - buf->sem_perm.gid = old.sem_perm.gid; - buf->sem_perm.cuid = old.sem_perm.cuid; - buf->sem_perm.cgid = old.sem_perm.cgid; - buf->sem_perm.mode = old.sem_perm.mode; - buf->sem_perm.__seq = old.sem_perm.__seq; - buf->sem_otime = old.sem_otime; - buf->sem_ctime = old.sem_ctime; - buf->sem_nsems = old.sem_nsems; - } - return result; - } -#endif } versioned_symbol (libc, __new_semctl, semctl, GLIBC_2_2); |