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6628575: (fc) lock/tryLock methods do not work with NFS servers that limit lock range to max file size

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Reviewed-by: sherman
This commit is contained in:
Alan Bateman 2008-03-13 19:29:41 +00:00
parent 40922e9127
commit 66fa5dcf96
1 changed files with 11 additions and 2 deletions
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13
jdk/src/solaris/native/sun/nio/ch/FileChannelImpl.c
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@ -31,6 +31,7 @@
#include <sys/stat.h>
#include "sun_nio_ch_FileChannelImpl.h"
#include "java_lang_Integer.h"
#include "java_lang_Long.h"
#include "nio.h"
#include "nio_util.h"
#include <dlfcn.h>
@ -291,7 +292,11 @@ Java_sun_nio_ch_FileChannelImpl_lock0(JNIEnv *env, jobject this, jobject fdo,
struct flock64 fl;
fl.l_whence = SEEK_SET;
fl.l_len = (off64_t)size;
if (size == (jlong)java_lang_Long_MAX_VALUE) {
fl.l_len = (off64_t)0;
} else {
fl.l_len = (off64_t)size;
}
fl.l_start = (off64_t)pos;
if (shared == JNI_TRUE) {
fl.l_type = F_RDLCK;
@ -325,7 +330,11 @@ Java_sun_nio_ch_FileChannelImpl_release0(JNIEnv *env, jobject this,
int cmd = F_SETLK64;
fl.l_whence = SEEK_SET;
fl.l_len = (off64_t)size;
if (size == (jlong)java_lang_Long_MAX_VALUE) {
fl.l_len = (off64_t)0;
} else {
fl.l_len = (off64_t)size;
}
fl.l_start = (off64_t)pos;
fl.l_type = F_UNLCK;
lockResult = fcntl(fd, cmd, &fl);