The read member of struct file should be bool.
In order to have the device specific part at the end of the structure
move "read" ahead of that.
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
---
blkfront.c | 4 ++--
console/xencons_ring.c | 2 +-
fbfront.c | 12 ++++++------
include/lib.h | 3 ++-
netfront.c | 4 ++--
tpm_tis.c | 2 +-
tpmfront.c | 6 +++---
7 files changed, 17 insertions(+), 16 deletions(-)
diff --git a/blkfront.c b/blkfront.c
index 834a978..7c8eb74 100644
--- a/blkfront.c
+++ b/blkfront.c
@@ -62,7 +62,7 @@ void blkfront_handler(evtchn_port_t port, struct pt_regs *regs, void *data)
int fd = dev->fd;
if (fd != -1)
- files[fd].read = 1;
+ files[fd].read = true;
#endif
wake_up(&blkfront_queue);
}
@@ -484,7 +484,7 @@ int blkfront_aio_poll(struct blkfront_dev *dev)
moretodo:
#ifdef HAVE_LIBC
if (dev->fd != -1) {
- files[dev->fd].read = 0;
+ files[dev->fd].read = false;
mb(); /* Make sure to let the handler set read to 1 before we start looking at the ring */
}
#endif
diff --git a/console/xencons_ring.c b/console/xencons_ring.c
index b6db74e..c348f3c 100644
--- a/console/xencons_ring.c
+++ b/console/xencons_ring.c
@@ -102,7 +102,7 @@ void console_handle_input(evtchn_port_t port, struct pt_regs *regs, void *data)
int fd = dev ? dev->fd : -1;
if (fd != -1)
- files[fd].read = 1;
+ files[fd].read = true;
wake_up(&console_queue);
#else
diff --git a/fbfront.c b/fbfront.c
index d3b3848..6725da1 100644
--- a/fbfront.c
+++ b/fbfront.c
@@ -45,7 +45,7 @@ void kbdfront_handler(evtchn_port_t port, struct pt_regs *regs, void *data)
int fd = dev->fd;
if (fd != -1)
- files[fd].read = 1;
+ files[fd].read = true;
#endif
wake_up(&kbdfront_queue);
}
@@ -207,7 +207,7 @@ int kbdfront_receive(struct kbdfront_dev *dev, union xenkbd_in_event *buf, int n
#ifdef HAVE_LIBC
if (dev->fd != -1) {
- files[dev->fd].read = 0;
+ files[dev->fd].read = false;
mb(); /* Make sure to let the handler set read to 1 before we start looking at the ring */
}
#endif
@@ -229,7 +229,7 @@ int kbdfront_receive(struct kbdfront_dev *dev, union xenkbd_in_event *buf, int n
#ifdef HAVE_LIBC
if (cons != prod && dev->fd != -1)
/* still some events to read */
- files[dev->fd].read = 1;
+ files[dev->fd].read = true;
#endif
return i;
@@ -349,7 +349,7 @@ void fbfront_handler(evtchn_port_t port, struct pt_regs *regs, void *data)
int fd = dev->fd;
if (fd != -1)
- files[fd].read = 1;
+ files[fd].read = true;
#endif
wake_up(&fbfront_queue);
}
@@ -376,7 +376,7 @@ int fbfront_receive(struct fbfront_dev *dev, union xenfb_in_event *buf, int n)
#ifdef HAVE_LIBC
if (dev->fd != -1) {
- files[dev->fd].read = 0;
+ files[dev->fd].read = false;
mb(); /* Make sure to let the handler set read to 1 before we start looking at the ring */
}
#endif
@@ -398,7 +398,7 @@ int fbfront_receive(struct fbfront_dev *dev, union xenfb_in_event *buf, int n)
#ifdef HAVE_LIBC
if (cons != prod && dev->fd != -1)
/* still some events to read */
- files[dev->fd].read = 1;
+ files[dev->fd].read = true;
#endif
return i;
diff --git a/include/lib.h b/include/lib.h
index a638bc9..df2de9e 100644
--- a/include/lib.h
+++ b/include/lib.h
@@ -49,6 +49,7 @@
#define _LIB_H_
#include <stdarg.h>
+#include <stdbool.h>
#include <stddef.h>
#include <xen/xen.h>
#include <xen/event_channel.h>
@@ -183,6 +184,7 @@ struct evtchn_port_info {
struct file {
enum fd_type type;
+ bool read; /* maybe available for read */
union {
struct {
/* lwIP fd */
@@ -235,7 +237,6 @@ struct file {
} xenbus;
#endif
};
- int read; /* maybe available for read */
};
extern struct file files[];
diff --git a/netfront.c b/netfront.c
index dfe065b..a566e34 100644
--- a/netfront.c
+++ b/netfront.c
@@ -255,7 +255,7 @@ void netfront_select_handler(evtchn_port_t port, struct pt_regs *regs, void *dat
local_irq_restore(flags);
if (fd != -1)
- files[fd].read = 1;
+ files[fd].read = true;
wake_up(&netfront_queue);
}
#endif
@@ -783,7 +783,7 @@ ssize_t netfront_receive(struct netfront_dev *dev, unsigned char *data, size_t l
network_rx(dev);
if (!dev->rlen && fd != -1)
/* No data for us, make select stop returning */
- files[fd].read = 0;
+ files[fd].read = false;
/* Before re-enabling the interrupts, in case a packet just arrived in the
* meanwhile. */
local_irq_restore(flags);
diff --git a/tpm_tis.c b/tpm_tis.c
index 475ac5d..4a51027 100644
--- a/tpm_tis.c
+++ b/tpm_tis.c
@@ -845,7 +845,7 @@ int tpm_tis_send(struct tpm_chip* tpm, uint8_t* buf, size_t len) {
}
#ifdef HAVE_LIBC
if(tpm->fd >= 0) {
- files[tpm->fd].read = 0;
+ files[tpm->fd].read = false;
files[tpm->fd].tpm_tis.respgot = 0;
files[tpm->fd].tpm_tis.offset = 0;
}
diff --git a/tpmfront.c b/tpmfront.c
index 6049244..d825b49 100644
--- a/tpmfront.c
+++ b/tpmfront.c
@@ -66,7 +66,7 @@ void tpmfront_handler(evtchn_port_t port, struct pt_regs *regs, void *data) {
dev->waiting = 0;
#ifdef HAVE_LIBC
if(dev->fd >= 0) {
- files[dev->fd].read = 1;
+ files[dev->fd].read = true;
}
#endif
wake_up(&dev->waitq);
@@ -438,7 +438,7 @@ int tpmfront_send(struct tpmfront_dev* dev, const uint8_t* msg, size_t length)
dev->resplen = 0;
#ifdef HAVE_LIBC
if(dev->fd >= 0) {
- files[dev->fd].read = 0;
+ files[dev->fd].read = false;
files[dev->fd].tpmfront.respgot = 0;
files[dev->fd].tpmfront.offset = 0;
}
@@ -611,7 +611,7 @@ int tpmfront_posix_fstat(int fd, struct stat* buf)
/* If we have a response waiting, then read it now from the backend
* so we can get its length*/
- if(dev->waiting || (files[dev->fd].read == 1 && !files[dev->fd].tpmfront.respgot)) {
+ if(dev->waiting || (files[dev->fd].read && !files[dev->fd].tpmfront.respgot)) {
if ((rc = tpmfront_recv(dev, &dummybuf, &dummysz)) != 0) {
errno = EIO;
return -1;
--
2.26.2