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Pipe changes throughout suggested by Eric Fifer <EFifer@sanwaint.com>

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* debug.cc (threadname_init): Pass name of lock as arg 2 of new_muto.
* malloc.cc (malloc_init): Ditto.
* sigproc.cc (sigproc_init): Ditto.
* exceptions.cc (events_init): Ditto.
(call_handler): Eliminate special case for hExeced.  Report locked thread in
debugging output.
* fhandler.cc (fhandker_pipe::fhandler_pipe): Propagate device type to base
class.
* fhandler.h (fhandler_pipe): Ditto.
* hinfo.cc (hinfo::build_fhandler): Pass specific type of pipe to constructor.
* spawn.cc (spawn_guts): Eliminate dependency on signal when waiting for
subprocess.
* strace.cc: Remove obsolete #ifdef.
* sync.cc (muto::muto): Save the name of the muto.
(muto:~muto): Also release the muto.
* sync.h: Add a muto name field.
* select.cc (peek_pipe): Avoid doing a PeekNamedPipe on the write end of a
pipe.
This commit is contained in:
Christopher Faylor
2000-03-15 04:49:36 +00:00
parent 31b3dbe174
commit 332600d80c
15 changed files with 106 additions and 88 deletions
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14
winsup/cygwin/sync.cc
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@ -25,7 +25,7 @@ details. */
muto NO_COPY muto_start;
/* Constructor */
muto::muto(int inh, const char *name) : sync (0), visits(0), waiters(-1), tid (0), next (NULL)
muto::muto(int inh, const char *s) : sync (0), visits(0), waiters(-1), tid (0), next (NULL)
{
/* Create event which is used in the fallback case when blocking is necessary */
if (!(bruteforce = CreateEvent (inh ? &sec_all_nih : &sec_none_nih, FALSE, FALSE, name)))
@ -34,14 +34,20 @@ muto::muto(int inh, const char *name) : sync (0), visits(0), waiters(-1), tid (0
SetLastError (oerr);
return;
}
name = s;
}
/* Destructor */
/* Destructor (racy?) */
muto::~muto ()
{
while (visits)
release ();
HANDLE h = bruteforce;
h = NULL;
/* Just need to close the event handle */
if (bruteforce)
CloseHandle (bruteforce);
if (h)
CloseHandle (h);
}
/* Acquire the lock. Argument is the number of milliseconds to wait for