Fix the EINTR check for waitpid, Gentoo #219929.
This commit is contained in:
parent
c8248d05a0
commit
619b0b4f37
@ -120,18 +120,25 @@ void rc_plugin_load(void)
|
||||
|
||||
int rc_waitpid(pid_t pid)
|
||||
{
|
||||
int status = 0;
|
||||
int status;
|
||||
pid_t savedpid = pid;
|
||||
int retval = EXIT_FAILURE;
|
||||
|
||||
do {
|
||||
pid = waitpid(savedpid, &status, 0);
|
||||
if (pid == -1 && errno != EINTR)
|
||||
return EXIT_FAILURE;
|
||||
} while (!WIFEXITED(status) && !WIFSIGNALED(status));
|
||||
if (pid == savedpid)
|
||||
retval = WIFEXITED(status) ? WEXITSTATUS(status) : EXIT_FAILURE;
|
||||
return retval;
|
||||
loop:
|
||||
pid = waitpid(savedpid, &status, 0);
|
||||
if (pid == -1) {
|
||||
/* Our signal hander should take appropriate action. */
|
||||
if (errno == EINTR)
|
||||
goto loop;
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
if (pid == savedpid) {
|
||||
if (WIFEXITED(status))
|
||||
return WEXITSTATUS(status);
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
|
||||
void rc_plugin_run(RC_HOOK hook, const char *value)
|
||||
|
@ -635,13 +635,6 @@ static void do_newlevel(const char *newlevel)
|
||||
{
|
||||
/* OK, we're either in runlevel 1 or single user mode */
|
||||
|
||||
/* We don't want to trap SIGWINCH here as when a framebuffer
|
||||
* driver is loaded by udev and we start using it then we
|
||||
* race for some reason with the below scripts.
|
||||
* This is fine as we only really need SIGWINCH for tidy
|
||||
* output when using the logger. */
|
||||
signal_setup(SIGWINCH, SIG_DFL);
|
||||
|
||||
/* exec init-early.sh if it exists
|
||||
* This should just setup the console to use the correct
|
||||
* font. Maybe it should setup the keyboard too? */
|
||||
|
Loading…
Reference in New Issue
Block a user