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[iohook] Fix iohook_init race condition

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This commit is contained in:
Will Xyen 2020-10-18 13:43:06 -07:00
parent 3ed6ac6290
commit be5a773cb7
1 changed files with 7 additions and 2 deletions
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9
src/main/hook/iohook.c
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@ -223,6 +223,12 @@ static void iohook_init(void)
if (iohook_initted) { if (iohook_initted) {
return; return;
} }
InitializeCriticalSection(&iohook_lock);
EnterCriticalSection(&iohook_lock);
/* we do this first, so that any hooks that fire while we're applying
get caught by the critical section. */
iohook_initted = true;
/* Splice iohook into IAT entries referencing Win32 I/O APIs */ /* Splice iohook into IAT entries referencing Win32 I/O APIs */
@ -273,8 +279,7 @@ static void iohook_init(void)
"SetFilePointerEx"); "SetFilePointerEx");
} }
InitializeCriticalSection(&iohook_lock); LeaveCriticalSection(&iohook_lock);
iohook_initted = true;
} }
// Deprecated // Deprecated