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* exceptions.cc (setup_handler): Always relinquish lock after we've

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interrupted.
* fhandler.cc: Move pipe methods to pipe.cc.
* fhandler.h (fhandler_pipe): Add new methods.
* fork.cc (sync_with_parent): Make error messages more informative.
* pipe.cc (fhandler_pipe::fhandler_pipe): Move here from fhandler.cc.
(fhandler_pipe::lseek): Ditto.
(fhandler_pipe::set_close_on_exec): New method.
(fhandler_pipe::read): Ditto.
(fhandler_pipe::close): Ditto.
(fhandler_pipe::dup): Ditto.
(make_pipe): Create the guard mutex on the read side of the pipe.
* select.cc (peek_pipe): Use guard_mutex to discover if we have the right to
read on this pipe.
(fhandler_pipe::readh_for_read): Pass the read pipe guard mutex to peek_pipe.
* syscalls.cc (_read): Always detect signal catchers, for now.
* debug.cc (makethread): Eliminate hack to make thread inheritable.
* sigproc.cc (subproc_init): Don't use hack to make thread inheritable.
This commit is contained in:
Christopher Faylor
2001-09-22 16:55:02 +00:00
parent 142920f65a
commit 5e733918c0
10 changed files with 120 additions and 56 deletions
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9
winsup/cygwin/fhandler.h
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@@ -435,17 +435,20 @@ public:
class fhandler_pipe: public fhandler_base
{
HANDLE guard;
public:
fhandler_pipe (const char *name = 0, DWORD devtype = FH_PIPE);
off_t lseek (off_t offset, int whence);
/* This strange test is due to the fact that we can't rely on
Windows shells to "do the right thing" with pipes. Apparently
the can keep one end of the pipe open when it shouldn't be. */
BOOL is_slow () {return !wincap.has_unreliable_pipes ();}
select_record *select_read (select_record *s);
select_record *select_write (select_record *s);
select_record *select_except (select_record *s);
int ready_for_read (int fd, DWORD howlong, int ignra);
void set_close_on_exec (int val);
int read (void *ptr, size_t len);
int close ();
void create_guard (SECURITY_ATTRIBUTES *sa) {guard = CreateMutex (sa, FALSE, NULL);}
int dup (fhandler_base *child);
};
class fhandler_dev_raw: public fhandler_base