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Diffstat (limited to 'libio')
-rw-r--r--libio/fileops.c22
-rw-r--r--libio/libio.h1
2 files changed, 16 insertions, 7 deletions
diff --git a/libio/fileops.c b/libio/fileops.c
index 4993630efc..8a225ae5a5 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -59,7 +59,6 @@ extern int errno;
#ifdef _LIBC
# define open(Name, Flags, Prot) __open (Name, Flags, Prot)
-# define close(FD) __close (FD)
# define lseek(FD, Offset, Whence) __lseek (FD, Offset, Whence)
# define read(FD, Buf, NBytes) __read (FD, Buf, NBytes)
# define write(FD, Buf, NBytes) __write (FD, Buf, NBytes)
@@ -226,10 +225,12 @@ _IO_file_open (fp, filename, posix_mode, prot, read_write, is32not64)
int is32not64;
{
int fdesc;
-#ifdef _G_OPEN64
- fdesc = (is32not64
- ? open (filename, posix_mode, prot)
- : _G_OPEN64 (filename, posix_mode, prot));
+#ifdef _LIBC
+ if (fp->_flags2 & _IO_FLAGS2_NOTCANCEL)
+ fdesc = open_not_cancel (filename,
+ posix_mode | (is32not64 ? 0 : O_LARGEFILE), prot);
+ else
+ fdesc = open (filename, posix_mode | (is32not64 ? 0 : O_LARGEFILE), prot);
#else
fdesc = open (filename, posix_mode, prot);
#endif
@@ -318,6 +319,9 @@ _IO_new_file_fopen (fp, filename, mode, is32not64)
case 'm':
fp->_flags2 |= _IO_FLAGS2_MMAP;
continue;
+ case 'c':
+ fp->_flags2 |= _IO_FLAGS2_NOTCANCEL;
+ break;
default:
/* Ignore. */
continue;
@@ -1200,7 +1204,9 @@ _IO_file_read (fp, buf, size)
void *buf;
_IO_ssize_t size;
{
- return read (fp->_fileno, buf, size);
+ return ((fp->_flags2 & _IO_FLAGS2_NOTCANCEL)
+ ? read_not_cancel (fp->_fileno, buf, size)
+ : read (fp->_fileno, buf, size));
}
INTDEF(_IO_file_read)
@@ -1262,7 +1268,9 @@ _IO_new_file_write (f, data, n)
_IO_ssize_t to_do = n;
while (to_do > 0)
{
- _IO_ssize_t count = write (f->_fileno, data, to_do);
+ _IO_ssize_t count = ((f->_flags2 & _IO_FLAGS2_NOTCANCEL)
+ ? write_not_cancel (f->_fileno, data, to_do)
+ : write (f->_fileno, data, to_do));
if (count < 0)
{
f->_flags |= _IO_ERR_SEEN;
diff --git a/libio/libio.h b/libio/libio.h
index 11274aebb4..c70a86ae90 100644
--- a/libio/libio.h
+++ b/libio/libio.h
@@ -138,6 +138,7 @@
#define _IO_USER_LOCK 0x8000
#define _IO_FLAGS2_MMAP 1
+#define _IO_FLAGS2_NOTCANCEL 2
/* These are "formatting flags" matching the iostream fmtflags enum values. */
#define _IO_SKIPWS 01