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autospawn: refuse autospawning if process disabled waitpid()

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This commit is contained in:
Lennart Poettering 2009-07-24 18:22:13 +02:00
parent 5e24b6dff5
commit f6763917ee
1 changed files with 15 additions and 2 deletions
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17
src/pulse/context.c
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@ -668,11 +668,24 @@ static pa_strlist *prepend_per_user(pa_strlist *l) {
static int context_autospawn(pa_context *c) {
pid_t pid;
int status, r;
pa_log_debug("Trying to autospawn...");
struct sigaction sa;
pa_context_ref(c);
if (sigaction(SIGCHLD, NULL, &sa) < 0) {
pa_log_debug("sigaction() failed: %s", pa_cstrerror(errno));
pa_context_fail(c, PA_ERR_INTERNAL);
goto fail;
}
if ((sa.sa_flags & SA_NOCLDWAIT) || sa.sa_handler == SIG_IGN) {
pa_log_debug("Process disabled waitpid(), cannot autospawn.");
pa_context_fail(c, PA_ERR_CONNECTIONREFUSED);
goto fail;
}
pa_log_debug("Trying to autospawn...");
if (c->spawn_api.prefork)
c->spawn_api.prefork();