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* Re: c/5725: "no return statement in function returning non-void" on legal pthread style code
@ 2002-04-23 2:06 rth
0 siblings, 0 replies; 2+ messages in thread
From: rth @ 2002-04-23 2:06 UTC (permalink / raw)
To: gcc-bugs, gcc-prs, mec, nobody
Synopsis: "no return statement in function returning non-void" on legal pthread style code
State-Changed-From-To: open->closed
State-Changed-By: rth
State-Changed-When: Tue Apr 23 02:06:39 2002
State-Changed-Why:
Fixed in current cvs, sortof.
http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=5725
^ permalink raw reply [flat|nested] 2+ messages in thread
* c/5725: "no return statement in function returning non-void" on legal pthread style code
@ 2002-02-18 13:26 mec
0 siblings, 0 replies; 2+ messages in thread
From: mec @ 2002-02-18 13:26 UTC (permalink / raw)
To: gcc-gnats
>Number: 5725
>Category: c
>Synopsis: "no return statement in function returning non-void" on legal pthread style code
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: unassigned
>State: open
>Class: rejects-legal
>Submitter-Id: net
>Arrival-Date: Mon Feb 18 13:26:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: mec@shout.net
>Release: gcc HEAD 20020216
>Organization:
>Environment:
red hat linux 7.2
native i686-pc-linux-gnulibc2.2
>Description:
% cat return-bug.c
void * philosopher (void *);
void *
philosopher (void * data)
{
int * counter = (int *) data;
for (;;)
++*counter;
}
% gcc -c return-bug.c
return-bug.c: In function 'philosopher':
return-bug.c:9: warning: no return statement in function returning non-void
% gcc -v
Reading specs from /berman/fsf/_today_/berman/native/install/gcc/HEAD/lib/gcc-lib/i686-pc-linux-gnu/3.1/specs
Configured with: /berman/fsf/_today_/source/gcc/HEAD/configure --prefix=/berman/fsf/_today_/berman/native/install/gcc/HEAD --disable-shared --with-gnu-as --with-as=/berman/fsf/_today_/berman/native/install/binutils/HEAD/bin/as --with-gnu-ld --with-ld=/berman/fsf/_today_/berman/native/install/binutils/HEAD/bin/ld
Thread model: single
gcc version 3.1 20020216 (experimental)
See also: http://gcc.gnu.org/ml/gcc-patches/2002-02/msg00034.html
This pattern of code occurs often in pthread code. The return type of the thread function is "void *" but there's often no need for the thread function to return.
>How-To-Repeat:
Compile the given program.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
^ permalink raw reply [flat|nested] 2+ messages in thread
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2002-04-23 2:06 c/5725: "no return statement in function returning non-void" on legal pthread style code rth
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