Date: Wed, 24 Jun 1998 00:03:36 -0700 (PDT) From: cts@internetcds.com To: freebsd-gnats-submit@FreeBSD.ORG Subject: misc/7039: sigwait doesn't init the return value. Message-ID: <199806240703.AAA19621@hub.freebsd.org>
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>Number: 7039 >Category: misc >Synopsis: sigwait doesn't init the return value. >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Jun 24 00:10:01 PDT 1998 >Last-Modified: >Originator: Craig Spannring >Organization: InternetCDS >Release: 2.2.6 and 3.0 >Environment: FreeBSD backmaster.cdsnet.net 3.0-CURRENT FreeBSD 3.0-CURRENT #2: Tue May 5 20:30:34 PDT 1998 root@backmaster.cdsnet.net:/n/FreeBSD/3.0-back2/src/sys/compile/BACK2 i386 FreeBSD bangkok.office.cdsnet.net 2.2.6-STABLE FreeBSD 2.2.6-STABLE #1: Tue Apr\ 28 16:38:57 PDT 1998 root@bangkok.office.cdsnet.net:/usr/src/sys/compile/B\ ANGKOK i386 >Description: As you can see from the source code below the uthread_sigwait function never assigns a value to 'ret'. int sigwait(const sigset_t * set, int *sig) { int ret; int status; sigset_t oset; /* Block signals: */ _thread_kern_sig_block(&status); /* Save the current sigmal mask: */ oset = _thread_run->sigmask; /* Combine the caller's mask with the current one: */ _thread_run->sigmask |= *set; /* Wait for a signal: */ _thread_kern_sched_state(PS_SIGWAIT, __FILE__, __LINE__); /* Block signals again: */ _thread_kern_sig_block(NULL); /* Return the signal number to the caller: */ *sig = _thread_run->signo; /* Restore the signal mask: */ _thread_run->sigmask = oset; /* Unblock signals: */ _thread_kern_sig_unblock(status); /* Return the completion status: */ return (ret); } >How-To-Repeat: >Fix: I don't have a copy of the posix standard so I don't know what the proper return value should be. Sorry. >Audit-Trail: >Unformatted: To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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