Commit a5f2355c authored by unknown's avatar unknown

Fix Bug#14107 (IM test failures on QNX)

(v.2 with post-review fixes)


server-tools/instance-manager/instance.cc:
  On QNX one cannot use fork() in multithreaded environment. Therefore we should use QNX's spawn()
parent 8a92bba6
......@@ -138,15 +138,25 @@ static int wait_process(My_process_info *pi)
static int start_process(Instance_options *instance_options,
My_process_info *pi)
{
#ifndef __QNX__
*pi= fork();
#else
/*
On QNX one cannot use fork() in multithreaded environment and we
should use spawn() or one of it's siblings instead.
Here we use spawnv(), which is a combination of fork() and execv()
in one call. It returns the pid of newly created process (>0) or -1
*/
*pi= spawnv(P_NOWAIT, instance_options->mysqld_path, instance_options->argv);
#endif
switch (*pi) {
case 0:
case 0: /* never happens on QNX */
execv(instance_options->mysqld_path, instance_options->argv);
/* exec never returns */
exit(1);
case 1:
log_info("cannot fork() to start instance %s",
case -1:
log_info("cannot create a new process to start instance %s",
instance_options->instance_name);
return 1;
}
......
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