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From: "diskpoppy at proton dot me" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/29612] New: Does not follow child processes spawned with
 posix_spawn()
Date: Sun, 25 Sep 2022 18:53:55 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: gdb
X-Bugzilla-Version: 12.1
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: diskpoppy at proton dot me
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29612

            Bug ID: 29612
           Summary: Does not follow child processes spawned with
                    posix_spawn()
           Product: gdb
           Version: 12.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: diskpoppy at proton dot me
  Target Milestone: ---

I'm using homebrew gdb 12.1 on macOS 11.6.4
I have "set follow-fork-mode child"
I expected for gdb to follow the process spawned with posix_spawn

Minimal program using posix_spawn (that spawns itself, but it could also sp=
awn
other executables):

#include <spawn.h>
#define NULL 0
extern char **environ;

int main(int argc, char** argv) {
        if(argc > 1 && argv[1][0] =3D=3D 'g') {
                return 1;
        }
        pid_t pid_this =3D 0;
        char * argv_this[] =3D {"test_program", "g", NULL};
        posix_spawn(&pid_this, "/path/test_program", NULL, NULL, argv_this,
environ);
        return 0;
}

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