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[Bug gdb/16953] New: New inferior for each rerun of a simple fork/exec of hello, where hello binary is missing.
- From: "dje at google dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Fri, 16 May 2014 17:48:33 +0000
- Subject: [Bug gdb/16953] New: New inferior for each rerun of a simple fork/exec of hello, where hello binary is missing.
- Auto-submitted: auto-generated
https://sourceware.org/bugzilla/show_bug.cgi?id=16953
Bug ID: 16953
Summary: New inferior for each rerun of a simple fork/exec of
hello, where hello binary is missing.
Product: gdb
Version: HEAD
Status: NEW
Severity: normal
Priority: P2
Component: gdb
Assignee: unassigned at sourceware dot org
Reporter: dje at google dot com
fork-exec-hello.c:
#include <stdlib.h>
#include <unistd.h>
#include <wait.h>
const char hello[] = "./hello.x64";
int
main ()
{
int child;
int status;
child = fork ();
if (child < 0)
{
perror ("fork");
exit (1);
}
if (child == 0)
{
execl (hello, hello, NULL);
perror ("execl");
}
else
{
waitpid (child, &status, 0);
}
return 0;
}
hello.c:
well, you know ...
With hello.x64 binary missing:
(gdb) set follow-fork child
(gdb) r
Starting program: /home/dje/src/play/fork-exec-hello.x64
[New process 6671]
execl: No such file or directory
[Inferior 2 (process 6671) exited normally]
(gdb) i inf
Num Description Executable
* 2 <null> /home/dje/src/play/fork-exec-hello.x64
1 <null> /home/dje/src/play/fork-exec-hello.x64
(gdb) r
Starting program: /home/dje/src/play/fork-exec-hello.x64
[New process 6674]
execl: No such file or directory
[Inferior 3 (process 6674) exited normally]
(gdb) i inf
Num Description Executable
* 3 <null> /home/dje/src/play/fork-exec-hello.x64
2 <null> /home/dje/src/play/fork-exec-hello.x64
1 <null> /home/dje/src/play/fork-exec-hello.x64
(gdb) r
Starting program: /home/dje/src/play/fork-exec-hello.x64
[New process 6677]
execl: No such file or directory
[Inferior 4 (process 6677) exited normally]
(gdb) i inf
Num Description Executable
* 4 <null> /home/dje/src/play/fork-exec-hello.x64
3 <null> /home/dje/src/play/fork-exec-hello.x64
2 <null> /home/dje/src/play/fork-exec-hello.x64
1 <null> /home/dje/src/play/fork-exec-hello.x64
(gdb)
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