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Cygwin: pty: Make GDB work again on pty.

This commit is contained in:
Takashi Yano 2019-09-18 23:29:18 +09:00 committed by Ken Brown
parent 831b1569dc
commit ac5357b9fe
1 changed files with 35 additions and 0 deletions
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35
winsup/cygwin/fhandler_tty.cc
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@ -197,6 +197,9 @@ DEF_HOOK (ReadConsoleInputA);
DEF_HOOK (ReadConsoleInputW);
DEF_HOOK (PeekConsoleInputA);
DEF_HOOK (PeekConsoleInputW);
/* CreateProcess() is hooked for GDB etc. */
DEF_HOOK (CreateProcessA);
DEF_HOOK (CreateProcessW);
static BOOL WINAPI
WriteFile_Hooked
@ -331,6 +334,35 @@ PeekConsoleInputW_Hooked
set_ishybrid_and_switch_to_pcon (h);
return PeekConsoleInputW_Orig (h, r, l, n);
}
/* CreateProcess() is hooked for GDB etc. */
static BOOL WINAPI
CreateProcessA_Hooked
(LPCSTR n, LPSTR c, LPSECURITY_ATTRIBUTES pa, LPSECURITY_ATTRIBUTES ta,
BOOL inh, DWORD f, LPVOID e, LPCSTR d,
LPSTARTUPINFOA si, LPPROCESS_INFORMATION pi)
{
HANDLE h;
if (si->dwFlags & STARTF_USESTDHANDLES)
h = si->hStdOutput;
else
h = GetStdHandle (STD_OUTPUT_HANDLE);
set_ishybrid_and_switch_to_pcon (h);
return CreateProcessA_Orig (n, c, pa, ta, inh, f, e, d, si, pi);
}
static BOOL WINAPI
CreateProcessW_Hooked
(LPCWSTR n, LPWSTR c, LPSECURITY_ATTRIBUTES pa, LPSECURITY_ATTRIBUTES ta,
BOOL inh, DWORD f, LPVOID e, LPCWSTR d,
LPSTARTUPINFOW si, LPPROCESS_INFORMATION pi)
{
HANDLE h;
if (si->dwFlags & STARTF_USESTDHANDLES)
h = si->hStdOutput;
else
h = GetStdHandle (STD_OUTPUT_HANDLE);
set_ishybrid_and_switch_to_pcon (h);
return CreateProcessW_Orig (n, c, pa, ta, inh, f, e, d, si, pi);
}
#else /* USE_API_HOOK */
#define WriteFile_Orig 0
#define ReadFile_Orig 0
@ -2778,6 +2810,9 @@ fhandler_pty_slave::fixup_after_exec ()
DO_HOOK (NULL, ReadConsoleInputW);
DO_HOOK (NULL, PeekConsoleInputA);
DO_HOOK (NULL, PeekConsoleInputW);
/* CreateProcess() is hooked for GDB etc. */
DO_HOOK (NULL, CreateProcessA);
DO_HOOK (NULL, CreateProcessW);
}
#endif /* USE_API_HOOK */
}