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[core] list potentially blocking processes on disk access error

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* Using functionality from Process Hacker:
  https://github.com/processhacker2/processhacker2/
* Part of the #773 enhancement
* Also fix minor MinGW and WDK warnings
This commit is contained in:
Pete Batard 2017-04-27 23:06:42 +01:00
parent 27bc4cb02b
commit d5f6ddb653
16 changed files with 654 additions and 26 deletions
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11
src/drive.c
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@ -127,8 +127,7 @@ static HANDLE GetHandle(char* Path, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWr
if ((safe_strlen(Path) < 5) || (Path[0] != '\\') || (Path[1] != '\\') || (Path[3] != '\\'))
goto out;
// Resolve a device path, so that users can seek for it in Process Explorer
// in case of access issues.
// Resolve a device path, so that we can look for that handle in case of access issues.
if (QueryDosDeviceA(&Path[4], DevPath, sizeof(DevPath)) == 0)
strcpy(DevPath, "???");
@ -151,6 +150,7 @@ static HANDLE GetHandle(char* Path, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWr
// If we can't seem to get a hold of the drive for some time,
// try to enable FILE_SHARE_WRITE...
uprintf("Warning: Could not obtain exclusive rights. Retrying with write sharing enabled...");
SearchProcess(DevPath, TRUE, TRUE);
bWriteShare = TRUE;
}
Sleep(DRIVE_ACCESS_TIMEOUT / DRIVE_ACCESS_RETRIES);
@ -161,7 +161,7 @@ static HANDLE GetHandle(char* Path, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWr
}
if (bWriteAccess) {
uprintf("Opened %s [%s] for write access\n", Path, DevPath);
uprintf("Opened %s [%s] for write access", Path, DevPath);
}
if (bLockDrive) {
@ -177,7 +177,10 @@ static HANDLE GetHandle(char* Path, BOOL bLockDrive, BOOL bWriteAccess, BOOL bWr
Sleep(DRIVE_ACCESS_TIMEOUT/DRIVE_ACCESS_RETRIES);
}
// If we reached this section, either we didn't manage to get a lock or the user cancelled
uprintf("Could not get exclusive access to %s [%s]: %s\n", Path, DevPath, WindowsErrorString());
uprintf("Could not get exclusive access to %s: %s", Path, WindowsErrorString());
// See if we can tell the user what processes are accessing the drive
if (!IS_ERROR(FormatStatus))
SearchProcess(DevPath, TRUE, TRUE);
safe_closehandle(hDrive);
}