From: Christopher Faylor <cgf@cygnus.com>
To: jmm@raleigh.ibm.com, John Mullee <john@exmachina.net>
Cc: gnu-win32@cygnus.com
Subject: Re: pid problem found
Date: Mon, 08 Feb 1999 06:40:00 -0000 [thread overview]
Message-ID: <19990208093853.A24123@cygnus.com> (raw)
In-Reply-To: < 199902081430.JAA25094@jmm.raleigh.ibm.com >; from jmm@raleigh.ibm.com on Mon, Feb 08, 1999 at 09:30:55AM -0500
On Mon, Feb 08, 1999 at 09:30:55AM -0500, jmm@raleigh.ibm.com wrote:
>> Would it be possible that this 'pid' is something other
>> than that id seen in taskmanager? does cygwin's
>> waitpid use the CreateProcess-pid? or something else?
>
>That was it, as it turns out... CreateProcess returns a Windows pid,
>not a cygwin pid, so cygwin1.dll's waitpid couldn't use it...
>
>Unfortunately, I was using CreateProcess to do anonymous pipe inheritance
>so each of the children could feed back an integer after getting a
>SIGALRM and exit.
>
>What this means now is that I'm stuck either converting the signal(),
>alarm(), and waitpid() stuff to Win32 calls (events I guess) or trying
>to dump all the anon pipe stuff in favor of some other IPC mechanism
>(most likely moving to the Win32 event stuff, I'd guess, though all the
>examples that I've seen do explicit checks for incoming messages in the
>code and not something as simple as installing a handler to print one
>integer and exit.
Umm. Cygwin supports anonymous pipes. Think UNIX. That's what we're
trying to emulate.
cgf
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WARNING: multiple messages have this Message-ID
From: Christopher Faylor <cgf@cygnus.com>
To: jmm@raleigh.ibm.com, John Mullee <john@exmachina.net>
Cc: gnu-win32@cygnus.com
Subject: Re: pid problem found
Date: Sun, 28 Feb 1999 23:02:00 -0000 [thread overview]
Message-ID: <19990208093853.A24123@cygnus.com> (raw)
Message-ID: <19990228230200.1iEu2mLau5wa_H2L_QD2SrAQNCO-xACHXg73YfJsojw@z> (raw)
In-Reply-To: <199902081430.JAA25094@jmm.raleigh.ibm.com>
On Mon, Feb 08, 1999 at 09:30:55AM -0500, jmm@raleigh.ibm.com wrote:
>> Would it be possible that this 'pid' is something other
>> than that id seen in taskmanager? does cygwin's
>> waitpid use the CreateProcess-pid? or something else?
>
>That was it, as it turns out... CreateProcess returns a Windows pid,
>not a cygwin pid, so cygwin1.dll's waitpid couldn't use it...
>
>Unfortunately, I was using CreateProcess to do anonymous pipe inheritance
>so each of the children could feed back an integer after getting a
>SIGALRM and exit.
>
>What this means now is that I'm stuck either converting the signal(),
>alarm(), and waitpid() stuff to Win32 calls (events I guess) or trying
>to dump all the anon pipe stuff in favor of some other IPC mechanism
>(most likely moving to the Win32 event stuff, I'd guess, though all the
>examples that I've seen do explicit checks for incoming messages in the
>code and not something as simple as installing a handler to print one
>integer and exit.
Umm. Cygwin supports anonymous pipes. Think UNIX. That's what we're
trying to emulate.
cgf
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Send a message to cygwin-unsubscribe@sourceware.cygnus.com
next prev parent reply other threads:[~1999-02-08 6:40 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
1999-02-07 19:27 jmm
[not found] ` < 199902080327.WAA24699@jmm.raleigh.ibm.com >
1999-02-07 20:09 ` Christopher Faylor
1999-02-28 23:02 ` Christopher Faylor
1999-02-08 6:22 ` John Mullee
[not found] ` < 36BEF2B3.4A3B0C4C@exmachina.net >
1999-02-08 6:31 ` jmm
[not found] ` < 199902081430.JAA25094@jmm.raleigh.ibm.com >
1999-02-08 6:40 ` Christopher Faylor [this message]
[not found] ` < 19990208093853.A24123@cygnus.com >
1999-02-08 6:43 ` jmm
[not found] ` < 199902081443.JAA25182@jmm.raleigh.ibm.com >
1999-02-08 6:48 ` Christopher Faylor
[not found] ` < 19990208094644.A24171@cygnus.com >
1999-02-08 6:59 ` jmm
[not found] ` < 199902081459.JAA25236@jmm.raleigh.ibm.com >
1999-02-08 7:06 ` Christopher Faylor
1999-02-28 23:02 ` Christopher Faylor
1999-02-28 23:02 ` jmm
1999-02-28 23:02 ` Christopher Faylor
1999-02-28 23:02 ` jmm
1999-02-28 23:02 ` Christopher Faylor
1999-02-08 6:47 ` John Mullee
1999-02-28 23:02 ` John Mullee
1999-02-28 23:02 ` jmm
1999-02-28 23:02 ` John Mullee
1999-02-28 23:02 ` jmm
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