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use fstatfs to detect whether current file system supports shared locks for files opened for writing #55256

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Merged
adamsitnik merged 16 commits into from
Jul 9, 2021
Merged

use fstatfs to detect whether current file system supports shared locks for files opened for writing #55256

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71d131a
use fstatfs to detect whether current file system supports shared loc…
adamsitnik Jul 7, 2021
7980cc8
improve comments
adamsitnik Jul 7, 2021
97c1544
cast in explicit way
adamsitnik Jul 7, 2021
5d95af8
hopefully fix the BSD build(s)
adamsitnik Jul 7, 2021
d64374f
fix OSX build
adamsitnik Jul 7, 2021
c687e6a
assume we should not acquire the lock if we don't know the File System
adamsitnik Jul 7, 2021
9c481ed
try to fix the maccatalyst build
adamsitnik Jul 7, 2021
1c890ec
always use fstatfs as it's available on every platform and can get us…
adamsitnik Jul 8, 2021
04eced6
handle SMB2_SUPER_MAGIC as well (#53182)
adamsitnik Jul 8, 2021
79b6def
introduce a flag that allows to disable file locking on Unix
adamsitnik Jul 8, 2021
ba6d027
Emscripten does not support file locking, so there is no need to chec…
adamsitnik Jul 8, 2021
731e65c
some polishing
adamsitnik Jul 8, 2021
d31f6e1
Merge remote-tracking branch 'upstream/main' into superMagic
adamsitnik Jul 8, 2021
c752b93
reuse the UnixFileSystemTypes enum, move it to a separate file so Cor…
adamsitnik Jul 9, 2021
7443a5e
add SMB2_SUPER_MAGIC to the enum
adamsitnik Jul 9, 2021
1e3878c
don't try to unlock the file if it has not been locked
adamsitnik Jul 9, 2021
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try to fix the maccatalyst build
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@adamsitnik
adamsitnik committed Jul 7, 2021
commit 9c481edb060617cf882b576e63f3626dc4b50938
2 changes: 1 addition & 1 deletion src/libraries/Native/Unix/System.Native/pal_io.c
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Expand Up @@ -1387,7 +1387,7 @@ static int16_t ConvertLockType(int16_t managedLockType)
int64_t SystemNative_GetFileSystemType(intptr_t fd)
{
int statfsRes;
#if HAVE_STATFS_MOUNT && defined(TARGET_OSX) // In macOS 10.6+ statfs64 is deprecated, in favor of statfs
#if HAVE_STATFS_MOUNT && (defined(TARGET_IOS) || defined(TARGET_OSX) || defined(TARGET_WATCHOS) || defined(TARGET_TVOS) || defined(HOST_MACCAT)) // In macOS 10.6+ statfs64 is deprecated, in favor of statfs
struct statfs statfsArgs;
while ((statfsRes = fstatfs(ToFileDescriptor(fd), &statfsArgs)) == -1 && errno == EINTR) ;
#elif HAVE_STATFS64_VFS || HAVE_STATFS64_MOUNT
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