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Date: Thu, 2 May 2002 11:50:30 -0700 (PDT)
From: Archie Cobbs <archie@packetdesign.com>
Reply-To: Archie Cobbs <archie@packetdesign.com>
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Subject: bin/37676: libc_r: msgsnd(), msgrcv(), pread(), pwrite() need wrappers
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>Number:         37676
>Category:       bin
>Synopsis:       libc_r: msgsnd(), msgrcv(), pread(), pwrite() need wrappers
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu May 02 12:00:02 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Archie Cobbs
>Release:        FreeBSD 4.5-RELEASE i386
>Organization:
Packet Design
>Environment:
System: FreeBSD bubba.packetdesign.com 4.5-RELEASE FreeBSD 4.5-RELEASE #0: Sun Feb 3 10:00:07 PST 2002 archie@bubba.packetdesign.com:/usr/obj/usr/src/sys/BUBBA i386

>Description:

	It appears the following four libc functions may block
	but don't have threaded wrapper functions in libc_r.

	That is, calling these functions in a threaded application
	will block the entire process, rather than just the single
	thread:

		msgsnd()
		msgrcv()
		pread()
		pwrite()

>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:

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