diff options
Diffstat (limited to 'sysdeps/unix')
-rw-r--r-- | sysdeps/unix/syscalls.list | 4 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/alpha/ioperm.c | 1 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/sysdep.S | 5 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/readv.c | 32 | ||||
-rw-r--r-- | sysdeps/unix/sysv/linux/writev.c | 31 |
5 files changed, 32 insertions, 41 deletions
diff --git a/sysdeps/unix/syscalls.list b/sysdeps/unix/syscalls.list index 9a2325c35c..5ececa058c 100644 --- a/sysdeps/unix/syscalls.list +++ b/sysdeps/unix/syscalls.list @@ -31,7 +31,7 @@ profil - profil 4 profil ptrace - ptrace 4 ptrace read - read 3 __libc_read __read read readlink - readlink 3 __readlink readlink -readv - readv 3 readv +readv - readv 3 __readv readv reboot - reboot 1 reboot rename - rename 2 rename rmdir - rmdir 1 __rmdir rmdir @@ -62,4 +62,4 @@ uname - uname 1 uname unlink - unlink 1 __unlink unlink utimes - utimes 2 __utimes utimes write - write 3 __libc_write __write write -writev - writev 3 writev +writev - writev 3 __writev writev diff --git a/sysdeps/unix/sysv/linux/alpha/ioperm.c b/sysdeps/unix/sysv/linux/alpha/ioperm.c index b39f39a0d7..63bf17588a 100644 --- a/sysdeps/unix/sysv/linux/alpha/ioperm.c +++ b/sysdeps/unix/sysv/linux/alpha/ioperm.c @@ -35,6 +35,7 @@ #include <errno.h> #include <fcntl.h> #include <stdio.h> +#include <ctype.h> #include <stdlib.h> #include <string.h> #include <unistd.h> diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.S b/sysdeps/unix/sysv/linux/i386/sysdep.S index 4b86d1dfe7..a686495818 100644 --- a/sysdeps/unix/sysv/linux/i386/sysdep.S +++ b/sysdeps/unix/sysv/linux/i386/sysdep.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1995, 1996 Free Software Foundation, Inc. +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -45,6 +45,9 @@ _errno = errno /* This name is expected by hj's libc.so.5 startup code. */ The code for Linux is almost identical to the canonical Unix/i386 code, except that the error number in %eax is negated. */ +#undef CALL_MCOUNT +#define CALL_MCOUNT /* Don't insert the profiling call, it clobbers %eax. */ + ENTRY (__syscall_error) negl %eax diff --git a/sysdeps/unix/sysv/linux/readv.c b/sysdeps/unix/sysv/linux/readv.c index c8ff55ab45..2c215ce920 100644 --- a/sysdeps/unix/sysv/linux/readv.c +++ b/sysdeps/unix/sysv/linux/readv.c @@ -23,6 +23,8 @@ #include <sys/uio.h> extern ssize_t __syscall_readv __P ((int, __const struct iovec *, int)); +static ssize_t __atomic_readv_replacement __P ((int, __const struct iovec *, + int)); /* Not all versions of the kernel support the large number of records. */ @@ -34,7 +36,7 @@ extern ssize_t __syscall_readv __P ((int, __const struct iovec *, int)); /* We should deal with kernel which have a smaller UIO_FASTIOV as well as a very big count. */ ssize_t -readv (fd, vector, count) +__readv (fd, vector, count) int fd; const struct iovec *vector; int count; @@ -44,25 +46,15 @@ readv (fd, vector, count) bytes_read = __syscall_readv (fd, vector, count); - if (bytes_read < 0 && errno == EINVAL && count > UIO_FASTIOV) - { - int i; + if (bytes_read >= 0 || errno != EINVAL || count <= UIO_FASTIOV) + return bytes_read; - /* Restore the old error value as if nothing happened. */ - __set_errno (errno_saved); + /* Restore the old error value as if nothing happened. */ + __set_errno (errno_saved); - bytes_read = 0; - for (i = 0; i < count; i += UIO_FASTIOV) - { - ssize_t bytes = __syscall_readv (fd, vector + i, - MIN (count - i, UIO_FASTIOV)); - - if (bytes < 0) - return bytes; - - bytes_read += bytes; - } - } - - return bytes_read; + return __atomic_readv_replacement (fd, vector, count); } +weak_alias (__readv, readv) + +#define __readv static __atomic_readv_replacement +#include <sysdeps/posix/readv.c> diff --git a/sysdeps/unix/sysv/linux/writev.c b/sysdeps/unix/sysv/linux/writev.c index d147186b51..31e794fb04 100644 --- a/sysdeps/unix/sysv/linux/writev.c +++ b/sysdeps/unix/sysv/linux/writev.c @@ -23,6 +23,9 @@ #include <sys/uio.h> extern ssize_t __syscall_writev __P ((int, const struct iovec *, int)); +static ssize_t __atomic_writev_replacement __P ((int, const struct iovec *, + int)); + /* Not all versions of the kernel support the large number of records. */ #ifndef UIO_FASTIOV @@ -33,7 +36,7 @@ extern ssize_t __syscall_writev __P ((int, const struct iovec *, int)); /* We should deal with kernel which have a smaller UIO_FASTIOV as well as a very big count. */ ssize_t -writev (fd, vector, count) +__writev (fd, vector, count) int fd; const struct iovec *vector; int count; @@ -43,23 +46,15 @@ writev (fd, vector, count) bytes_written = __syscall_writev (fd, vector, count); - if (bytes_written < 0 && errno == EINVAL && count > UIO_FASTIOV) - { - int i; - - /* Restore the old error value as if nothing happened. */ - __set_errno (errno_saved); + if (bytes_written >= 0 || errno != EINVAL || count <= UIO_FASTIOV) + return bytes_written; - bytes_written = 0; - for (i = 0; i < count; i += UIO_FASTIOV) - { - ssize_t bytes = __syscall_writev (fd, vector + i, - MIN (count - i, UIO_FASTIOV)); + /* Restore the old error value as if nothing happened. */ + __set_errno (errno_saved); - if (bytes < 0) - return bytes_written > 0 ? bytes_written : bytes; - } - } - - return bytes_written; + return __atomic_writev_replacement (fd, vector, count); } +weak_alias (__writev, writev) + +#define __writev static __atomic_writev_replacement +#include <sysdeps/posix/writev.c> |