summaryrefslogtreecommitdiff
path: root/src/base/circlebuf.cc
diff options
context:
space:
mode:
authorGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-04-06 10:19:36 -0700
commitd080581db1f9ee4e1e6d07d2b01c13c67908a391 (patch)
treecc484b289fa5a30c4631f9faa1d8b456bffeebfc /src/base/circlebuf.cc
parent7a7c4c5fca83a8d47c7e71c9c080a882ebe204a9 (diff)
parent639cb0a42d953ee32bc7e96b0cdfa96cd40e9fc1 (diff)
downloadgem5-d080581db1f9ee4e1e6d07d2b01c13c67908a391.tar.xz
Merge ARM into the head. ARM will compile but may not actually work.
Diffstat (limited to 'src/base/circlebuf.cc')
-rw-r--r--src/base/circlebuf.cc33
1 files changed, 16 insertions, 17 deletions
diff --git a/src/base/circlebuf.cc b/src/base/circlebuf.cc
index a0c015671..06d0075b2 100644
--- a/src/base/circlebuf.cc
+++ b/src/base/circlebuf.cc
@@ -29,12 +29,11 @@
*/
#include <algorithm>
+#include <cstdio>
+#include <cstring>
#include <string>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
+#include "base/atomicio.hh"
#include "base/circlebuf.hh"
#include "base/cprintf.hh"
#include "base/intmath.hh"
@@ -59,8 +58,8 @@ CircleBuf::dump()
cprintf("start = %10d, stop = %10d, buflen = %10d\n",
_start, _stop, _buflen);
fflush(stdout);
- ::write(STDOUT_FILENO, _buf, _buflen);
- ::write(STDOUT_FILENO, "<\n", 2);
+ atomic_write(STDOUT_FILENO, _buf, _buflen);
+ atomic_write(STDOUT_FILENO, "<\n", 2);
}
void
@@ -106,19 +105,19 @@ CircleBuf::read(int fd, int len)
if (_stop > _start) {
len = min(len, _stop - _start);
- ::write(fd, _buf + _start, len);
+ atomic_write(fd, _buf + _start, len);
_start += len;
}
else {
int endlen = _buflen - _start;
if (endlen > len) {
- ::write(fd, _buf + _start, len);
+ atomic_write(fd, _buf + _start, len);
_start += len;
}
else {
- ::write(fd, _buf + _start, endlen);
+ atomic_write(fd, _buf + _start, endlen);
_start = min(len - endlen, _stop);
- ::write(fd, _buf, _start);
+ atomic_write(fd, _buf, _start);
}
}
}
@@ -129,11 +128,11 @@ CircleBuf::read(int fd)
_size = 0;
if (_stop > _start) {
- ::write(fd, _buf + _start, _stop - _start);
+ atomic_write(fd, _buf + _start, _stop - _start);
}
else {
- ::write(fd, _buf + _start, _buflen - _start);
- ::write(fd, _buf, _stop);
+ atomic_write(fd, _buf + _start, _buflen - _start);
+ atomic_write(fd, _buf, _stop);
}
_start = _stop;
@@ -159,9 +158,9 @@ void
CircleBuf::readall(int fd)
{
if (_rollover)
- ::write(fd, _buf + _stop, _buflen - _stop);
+ atomic_write(fd, _buf + _stop, _buflen - _stop);
- ::write(fd, _buf, _stop);
+ atomic_write(fd, _buf, _stop);
_start = _stop;
}
@@ -209,7 +208,7 @@ CircleBuf::write(const char *b, int len)
_rollover = true;
}
- if (old_start > old_stop && old_start < _stop ||
- old_start < old_stop && _stop < old_stop)
+ if ((old_start > old_stop && old_start < _stop) ||
+ (old_start < old_stop && _stop < old_stop))
_start = _stop + 1;
}