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* cygwait.cc (cancelable_wait): Mimic old cygwait behavior more closely wrt

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handling of call_signal_handler.
* cygwait.h (WAIT_CANCELED): Move here and redefine.
(WAIT_SIGNALED): Ditto.
* thread.h (WAIT_CANCELED): Delete.
(WAIT_SIGNALED): Ditto.
This commit is contained in:
Christopher Faylor
2012-06-19 00:31:15 +00:00
parent 88fbcb5afd
commit af5cd14583
20 changed files with 78 additions and 90 deletions
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39
winsup/cygwin/cygwait.h
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@@ -19,6 +19,8 @@ enum cw_wait_mask
cw_sig_eintr = 0x0008
};
extern TIMER_BASIC_INFORMATION cw_nowait;
const unsigned cw_std_mask = cw_cancel | cw_cancel_self | cw_sig;
DWORD cancelable_wait (HANDLE, PLARGE_INTEGER timeout = NULL,
@@ -26,7 +28,7 @@ DWORD cancelable_wait (HANDLE, PLARGE_INTEGER timeout = NULL,
__attribute__ ((regparm (3)));
static inline DWORD __attribute__ ((always_inline))
cygwait (HANDLE h, DWORD howlong = INFINITE)
cancelable_wait (HANDLE h, DWORD howlong, unsigned mask)
{
PLARGE_INTEGER pli_howlong;
LARGE_INTEGER li_howlong;
@@ -37,7 +39,14 @@ cygwait (HANDLE h, DWORD howlong = INFINITE)
li_howlong.QuadPart = 10000ULL * howlong;
pli_howlong = &li_howlong;
}
return cancelable_wait (h, pli_howlong, cw_cancel | cw_sig_eintr);
return cancelable_wait (h, pi_howlong, mask);
}
static inline DWORD __attribute__ ((always_inline))
cygwait (HANDLE h, DWORD howlong = INFINITE)
{
return cancelable_wait (h, howlong, cw_cancel | cw_sig_eintr);
}
static inline DWORD __attribute__ ((always_inline))
@@ -45,3 +54,29 @@ cygwait (DWORD howlong)
{
return cygwait ((HANDLE) NULL, howlong);
}
class set_thread_waiting
{
void doit (bool setit, DWORD& here)
{
if (setit)
{
if (_my_tls.signal_arrived == NULL)
_my_tls.signal_arrived = CreateEvent (&sec_none_nih, false, false, NULL);
here = _my_tls.signal_arrived;
_my_tls.waiting = true;
}
}
public:
set_thread_waiting (bool setit, DWORD& here) { doit (setit, here); }
set_thread_waiting (DWORD& here) { doit (true, here); }
~set_thread_waiting ()
{
if (_my_tls.waiting)
{
_my_tls.waiting = false;
ResetEvent (_my_tls.signal_arrived);
}
}
};