diff options
Diffstat (limited to 'winsup/cygwin/sync.cc')
| -rw-r--r-- | winsup/cygwin/sync.cc | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/winsup/cygwin/sync.cc b/winsup/cygwin/sync.cc index 743ee02e7..b6dec83fa 100644 --- a/winsup/cygwin/sync.cc +++ b/winsup/cygwin/sync.cc @@ -4,7 +4,7 @@ which is intended to operate similarly to a mutex but attempts to avoid making expensive calls to the kernel. - Copyright 2000, 2001 Red Hat, Inc. + Copyright 2000, 2001, 2002 Red Hat, Inc. Written by Christopher Faylor <cgf@cygnus.com> @@ -28,18 +28,24 @@ muto NO_COPY muto_start; #undef WaitForSingleObject /* Constructor */ -muto::muto (int inh, const char *s) : sync (0), visits(0), waiters(-1), tid (0), next (NULL) +muto * +muto::init (const char *s) { + waiters = -1; /* 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))) + if (!(bruteforce = CreateEvent (&sec_none_nih, FALSE, FALSE, NULL))) { DWORD oerr = GetLastError (); SetLastError (oerr); - return; + return NULL; } name = s; + next = muto_start.next; + muto_start.next = this; + return this; } +#if 0 /* FIXME: Do we need this? mutos aren't destroyed until process exit */ /* Destructor (racy?) */ muto::~muto () { @@ -52,6 +58,7 @@ muto::~muto () if (h) CloseHandle (h); } +#endif /* Acquire the lock. Argument is the number of milliseconds to wait for the lock. Multiple visits from the same thread are allowed and should |