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authorRaghavendra G <raghavendra@zresearch.com>2009-06-10 07:01:59 +0000
committerAnand V. Avati <avati@dev.gluster.com>2009-06-30 14:36:26 -0700
commit693c6f47e59b14e61c2a870555755021bafdefee (patch)
tree3e6d36b60046915f0a3aa1d9c7bec0d89d7bcd1f /booster
parent84a3008991235a14291706e5dbdaa2e5767b8f32 (diff)
booster: implement fcntl.
Signed-off-by: Anand V. Avati <avati@dev.gluster.com>
Diffstat (limited to 'booster')
-rw-r--r--booster/src/booster.c105
1 files changed, 104 insertions, 1 deletions
diff --git a/booster/src/booster.c b/booster/src/booster.c
index 27ff927..04a8906 100644
--- a/booster/src/booster.c
+++ b/booster/src/booster.c
@@ -42,6 +42,7 @@
#include <dirent.h>
#include <sys/statfs.h>
#include <sys/statvfs.h>
+#include <fcntl.h>
#ifndef GF_UNIT_KB
#define GF_UNIT_KB 1024
@@ -211,6 +212,7 @@ static ssize_t (*real_sendfile) (int out_fd, int in_fd, off_t *offset,
size_t count);
static ssize_t (*real_sendfile64) (int out_fd, int in_fd, off_t *offset,
size_t count);
+static int (*real_fcntl) (int fd, int cmd, ...);
#define RESOLVE(sym) do { \
if (!real_##sym) \
@@ -540,7 +542,7 @@ open (const char *pathname, int flags, ...)
return ret;
}
-#if defined (__USE_LARGEFILE64) || !defined (__USE_FILE_OFFSET64)
+#if !defined (__USE_LARGEFILE64) && !defined (__USE_FILE_OFFSET64)
int
open64 (const char *pathname, int flags, ...)
{
@@ -2133,6 +2135,106 @@ sendfile64 (int out_fd, int in_fd, off_t *offset, size_t count)
return ret;
}
+
+int
+fcntl (int fd, int cmd, ...)
+{
+ va_list ap;
+ int ret = -1;
+ long arg = 0;
+ struct flock *lock = NULL;
+ glusterfs_file_t glfs_fd = 0;
+
+ glfs_fd = booster_get_glfs_fd (booster_glfs_fdtable, fd);
+
+ switch (cmd) {
+ case F_DUPFD:
+ case F_DUPFD_CLOEXEC:
+ case F_GETFD:
+ case F_GETFL:
+ case F_GETOWN:
+ case F_GETSIG:
+ case F_GETLEASE:
+ if (glfs_fd) {
+ ret = glusterfs_fcntl (glfs_fd, cmd);
+ } else {
+ if (!real_fcntl) {
+ errno = ENOSYS;
+ goto out;
+ }
+
+ ret = real_fcntl (fd, cmd);
+ }
+ break;
+
+ case F_SETFD:
+ case F_SETFL:
+ case F_SETOWN:
+ case F_SETSIG:
+ case F_SETLEASE:
+ case F_NOTIFY:
+ va_start (ap, cmd);
+ arg = va_arg (ap, long);
+ va_end (ap);
+
+ if (glfs_fd) {
+ ret = glusterfs_fcntl (glfs_fd, cmd, arg);
+ } else {
+ if (!real_fcntl) {
+ errno = ENOSYS;
+ goto out;
+ }
+
+ ret = real_fcntl (fd, cmd, arg);
+ }
+ break;
+
+ case F_GETLK:
+ case F_SETLK:
+ case F_SETLKW:
+#if F_GETLK != F_GETLK64
+ case F_GETLK64:
+#endif
+#if F_SETLK != F_SETLK64
+ case F_SETLK64:
+#endif
+#if F_SETLKW != F_SETLKW64
+ case F_SETLKW64:
+#endif
+ va_start (ap, cmd);
+ lock = va_arg (ap, struct flock *);
+ va_end (ap);
+
+ if (lock == NULL) {
+ errno = EINVAL;
+ goto out;
+ }
+
+ if (glfs_fd) {
+ ret = glusterfs_fcntl (glfs_fd, cmd, lock);
+ } else {
+ if (!real_fcntl) {
+ errno = ENOSYS;
+ goto out;
+ }
+
+ ret = real_fcntl (fd, cmd, lock);
+ }
+ break;
+
+ default:
+ errno = EINVAL;
+ break;
+ }
+
+out:
+ if (glfs_fd) {
+ booster_put_glfs_fd (glfs_fd);
+ }
+
+ return ret;
+}
+
void
_init (void)
{
@@ -2208,6 +2310,7 @@ _init (void)
RESOLVE (sendfile64);
RESOLVE (readdir_r);
RESOLVE (readdir64_r);
+ RESOLVE (fcntl);
/* This must be called after resolving real functions
* above so that the socket based IO calls in libglusterfsclient